PostgreSQL Source Code  git master
copyfrom.c File Reference
#include "postgres.h"
#include <ctype.h>
#include <unistd.h>
#include <sys/stat.h>
#include "access/heapam.h"
#include "access/tableam.h"
#include "access/xact.h"
#include "catalog/namespace.h"
#include "commands/copy.h"
#include "commands/copyfrom_internal.h"
#include "commands/progress.h"
#include "commands/trigger.h"
#include "executor/execPartition.h"
#include "executor/executor.h"
#include "executor/nodeModifyTable.h"
#include "executor/tuptable.h"
#include "foreign/fdwapi.h"
#include "mb/pg_wchar.h"
#include "miscadmin.h"
#include "nodes/miscnodes.h"
#include "optimizer/optimizer.h"
#include "pgstat.h"
#include "rewrite/rewriteHandler.h"
#include "storage/fd.h"
#include "tcop/tcopprot.h"
#include "utils/lsyscache.h"
#include "utils/memutils.h"
#include "utils/portal.h"
#include "utils/rel.h"
#include "utils/snapmgr.h"
Include dependency graph for copyfrom.c:

Go to the source code of this file.

Data Structures

struct  CopyMultiInsertBuffer
 
struct  CopyMultiInsertInfo
 

Macros

#define MAX_BUFFERED_TUPLES   1000
 
#define MAX_BUFFERED_BYTES   65535
 
#define MAX_PARTITION_BUFFERS   32
 
#define MAX_COPY_DATA_DISPLAY   100
 

Typedefs

typedef struct CopyMultiInsertBuffer CopyMultiInsertBuffer
 
typedef struct CopyMultiInsertInfo CopyMultiInsertInfo
 

Functions

static void ClosePipeFromProgram (CopyFromState cstate)
 
void CopyFromErrorCallback (void *arg)
 
char * CopyLimitPrintoutLength (const char *str)
 
static CopyMultiInsertBufferCopyMultiInsertBufferInit (ResultRelInfo *rri)
 
static void CopyMultiInsertInfoSetupBuffer (CopyMultiInsertInfo *miinfo, ResultRelInfo *rri)
 
static void CopyMultiInsertInfoInit (CopyMultiInsertInfo *miinfo, ResultRelInfo *rri, CopyFromState cstate, EState *estate, CommandId mycid, int ti_options)
 
static bool CopyMultiInsertInfoIsFull (CopyMultiInsertInfo *miinfo)
 
static bool CopyMultiInsertInfoIsEmpty (CopyMultiInsertInfo *miinfo)
 
static void CopyMultiInsertBufferFlush (CopyMultiInsertInfo *miinfo, CopyMultiInsertBuffer *buffer, int64 *processed)
 
static void CopyMultiInsertBufferCleanup (CopyMultiInsertInfo *miinfo, CopyMultiInsertBuffer *buffer)
 
static void CopyMultiInsertInfoFlush (CopyMultiInsertInfo *miinfo, ResultRelInfo *curr_rri, int64 *processed)
 
static void CopyMultiInsertInfoCleanup (CopyMultiInsertInfo *miinfo)
 
static TupleTableSlotCopyMultiInsertInfoNextFreeSlot (CopyMultiInsertInfo *miinfo, ResultRelInfo *rri)
 
static void CopyMultiInsertInfoStore (CopyMultiInsertInfo *miinfo, ResultRelInfo *rri, TupleTableSlot *slot, int tuplen, uint64 lineno)
 
uint64 CopyFrom (CopyFromState cstate)
 
CopyFromState BeginCopyFrom (ParseState *pstate, Relation rel, Node *whereClause, const char *filename, bool is_program, copy_data_source_cb data_source_cb, List *attnamelist, List *options)
 
void EndCopyFrom (CopyFromState cstate)
 

Macro Definition Documentation

◆ MAX_BUFFERED_BYTES

#define MAX_BUFFERED_BYTES   65535

Definition at line 69 of file copyfrom.c.

◆ MAX_BUFFERED_TUPLES

#define MAX_BUFFERED_TUPLES   1000

Definition at line 63 of file copyfrom.c.

◆ MAX_COPY_DATA_DISPLAY

#define MAX_COPY_DATA_DISPLAY   100

◆ MAX_PARTITION_BUFFERS

#define MAX_PARTITION_BUFFERS   32

Definition at line 72 of file copyfrom.c.

Typedef Documentation

◆ CopyMultiInsertBuffer

◆ CopyMultiInsertInfo

Function Documentation

◆ BeginCopyFrom()

CopyFromState BeginCopyFrom ( ParseState pstate,
Relation  rel,
Node whereClause,
const char *  filename,
bool  is_program,
copy_data_source_cb  data_source_cb,
List attnamelist,
List options 
)

Definition at line 1368 of file copyfrom.c.

1376 {
1377  CopyFromState cstate;
1378  bool pipe = (filename == NULL);
1379  TupleDesc tupDesc;
1380  AttrNumber num_phys_attrs,
1381  num_defaults;
1382  FmgrInfo *in_functions;
1383  Oid *typioparams;
1384  Oid in_func_oid;
1385  int *defmap;
1386  ExprState **defexprs;
1387  MemoryContext oldcontext;
1388  bool volatile_defexprs;
1389  const int progress_cols[] = {
1393  };
1394  int64 progress_vals[] = {
1396  0,
1397  0
1398  };
1399 
1400  /* Allocate workspace and zero all fields */
1401  cstate = (CopyFromStateData *) palloc0(sizeof(CopyFromStateData));
1402 
1403  /*
1404  * We allocate everything used by a cstate in a new memory context. This
1405  * avoids memory leaks during repeated use of COPY in a query.
1406  */
1408  "COPY",
1410 
1411  oldcontext = MemoryContextSwitchTo(cstate->copycontext);
1412 
1413  /* Extract options from the statement node tree */
1414  ProcessCopyOptions(pstate, &cstate->opts, true /* is_from */ , options);
1415 
1416  /* Process the target relation */
1417  cstate->rel = rel;
1418 
1419  tupDesc = RelationGetDescr(cstate->rel);
1420 
1421  /* process common options or initialization */
1422 
1423  /* Generate or convert list of attributes to process */
1424  cstate->attnumlist = CopyGetAttnums(tupDesc, cstate->rel, attnamelist);
1425 
1426  num_phys_attrs = tupDesc->natts;
1427 
1428  /* Convert FORCE_NOT_NULL name list to per-column flags, check validity */
1429  cstate->opts.force_notnull_flags = (bool *) palloc0(num_phys_attrs * sizeof(bool));
1430  if (cstate->opts.force_notnull_all)
1431  MemSet(cstate->opts.force_notnull_flags, true, num_phys_attrs * sizeof(bool));
1432  else if (cstate->opts.force_notnull)
1433  {
1434  List *attnums;
1435  ListCell *cur;
1436 
1437  attnums = CopyGetAttnums(tupDesc, cstate->rel, cstate->opts.force_notnull);
1438 
1439  foreach(cur, attnums)
1440  {
1441  int attnum = lfirst_int(cur);
1442  Form_pg_attribute attr = TupleDescAttr(tupDesc, attnum - 1);
1443 
1444  if (!list_member_int(cstate->attnumlist, attnum))
1445  ereport(ERROR,
1446  (errcode(ERRCODE_INVALID_COLUMN_REFERENCE),
1447  errmsg("FORCE_NOT_NULL column \"%s\" not referenced by COPY",
1448  NameStr(attr->attname))));
1449  cstate->opts.force_notnull_flags[attnum - 1] = true;
1450  }
1451  }
1452 
1453  /* Set up soft error handler for ON_ERROR */
1454  if (cstate->opts.on_error != COPY_ON_ERROR_STOP)
1455  {
1456  cstate->escontext = makeNode(ErrorSaveContext);
1457  cstate->escontext->type = T_ErrorSaveContext;
1458  cstate->escontext->error_occurred = false;
1459 
1460  /*
1461  * Currently we only support COPY_ON_ERROR_IGNORE. We'll add other
1462  * options later
1463  */
1464  if (cstate->opts.on_error == COPY_ON_ERROR_IGNORE)
1465  cstate->escontext->details_wanted = false;
1466  }
1467  else
1468  cstate->escontext = NULL;
1469 
1470  /* Convert FORCE_NULL name list to per-column flags, check validity */
1471  cstate->opts.force_null_flags = (bool *) palloc0(num_phys_attrs * sizeof(bool));
1472  if (cstate->opts.force_null_all)
1473  MemSet(cstate->opts.force_null_flags, true, num_phys_attrs * sizeof(bool));
1474  else if (cstate->opts.force_null)
1475  {
1476  List *attnums;
1477  ListCell *cur;
1478 
1479  attnums = CopyGetAttnums(tupDesc, cstate->rel, cstate->opts.force_null);
1480 
1481  foreach(cur, attnums)
1482  {
1483  int attnum = lfirst_int(cur);
1484  Form_pg_attribute attr = TupleDescAttr(tupDesc, attnum - 1);
1485 
1486  if (!list_member_int(cstate->attnumlist, attnum))
1487  ereport(ERROR,
1488  (errcode(ERRCODE_INVALID_COLUMN_REFERENCE),
1489  errmsg("FORCE_NULL column \"%s\" not referenced by COPY",
1490  NameStr(attr->attname))));
1491  cstate->opts.force_null_flags[attnum - 1] = true;
1492  }
1493  }
1494 
1495  /* Convert convert_selectively name list to per-column flags */
1496  if (cstate->opts.convert_selectively)
1497  {
1498  List *attnums;
1499  ListCell *cur;
1500 
1501  cstate->convert_select_flags = (bool *) palloc0(num_phys_attrs * sizeof(bool));
1502 
1503  attnums = CopyGetAttnums(tupDesc, cstate->rel, cstate->opts.convert_select);
1504 
1505  foreach(cur, attnums)
1506  {
1507  int attnum = lfirst_int(cur);
1508  Form_pg_attribute attr = TupleDescAttr(tupDesc, attnum - 1);
1509 
1510  if (!list_member_int(cstate->attnumlist, attnum))
1511  ereport(ERROR,
1512  (errcode(ERRCODE_INVALID_COLUMN_REFERENCE),
1513  errmsg_internal("selected column \"%s\" not referenced by COPY",
1514  NameStr(attr->attname))));
1515  cstate->convert_select_flags[attnum - 1] = true;
1516  }
1517  }
1518 
1519  /* Use client encoding when ENCODING option is not specified. */
1520  if (cstate->opts.file_encoding < 0)
1522  else
1523  cstate->file_encoding = cstate->opts.file_encoding;
1524 
1525  /*
1526  * Look up encoding conversion function.
1527  */
1528  if (cstate->file_encoding == GetDatabaseEncoding() ||
1529  cstate->file_encoding == PG_SQL_ASCII ||
1531  {
1532  cstate->need_transcoding = false;
1533  }
1534  else
1535  {
1536  cstate->need_transcoding = true;
1539  if (!OidIsValid(cstate->conversion_proc))
1540  ereport(ERROR,
1541  (errcode(ERRCODE_UNDEFINED_FUNCTION),
1542  errmsg("default conversion function for encoding \"%s\" to \"%s\" does not exist",
1545  }
1546 
1547  cstate->copy_src = COPY_FILE; /* default */
1548 
1549  cstate->whereClause = whereClause;
1550 
1551  /* Initialize state variables */
1552  cstate->eol_type = EOL_UNKNOWN;
1553  cstate->cur_relname = RelationGetRelationName(cstate->rel);
1554  cstate->cur_lineno = 0;
1555  cstate->cur_attname = NULL;
1556  cstate->cur_attval = NULL;
1557  cstate->relname_only = false;
1558 
1559  /*
1560  * Allocate buffers for the input pipeline.
1561  *
1562  * attribute_buf and raw_buf are used in both text and binary modes, but
1563  * input_buf and line_buf only in text mode.
1564  */
1565  cstate->raw_buf = palloc(RAW_BUF_SIZE + 1);
1566  cstate->raw_buf_index = cstate->raw_buf_len = 0;
1567  cstate->raw_reached_eof = false;
1568 
1569  if (!cstate->opts.binary)
1570  {
1571  /*
1572  * If encoding conversion is needed, we need another buffer to hold
1573  * the converted input data. Otherwise, we can just point input_buf
1574  * to the same buffer as raw_buf.
1575  */
1576  if (cstate->need_transcoding)
1577  {
1578  cstate->input_buf = (char *) palloc(INPUT_BUF_SIZE + 1);
1579  cstate->input_buf_index = cstate->input_buf_len = 0;
1580  }
1581  else
1582  cstate->input_buf = cstate->raw_buf;
1583  cstate->input_reached_eof = false;
1584 
1585  initStringInfo(&cstate->line_buf);
1586  }
1587 
1588  initStringInfo(&cstate->attribute_buf);
1589 
1590  /* Assign range table and rteperminfos, we'll need them in CopyFrom. */
1591  if (pstate)
1592  {
1593  cstate->range_table = pstate->p_rtable;
1594  cstate->rteperminfos = pstate->p_rteperminfos;
1595  }
1596 
1597  num_defaults = 0;
1598  volatile_defexprs = false;
1599 
1600  /*
1601  * Pick up the required catalog information for each attribute in the
1602  * relation, including the input function, the element type (to pass to
1603  * the input function), and info about defaults and constraints. (Which
1604  * input function we use depends on text/binary format choice.)
1605  */
1606  in_functions = (FmgrInfo *) palloc(num_phys_attrs * sizeof(FmgrInfo));
1607  typioparams = (Oid *) palloc(num_phys_attrs * sizeof(Oid));
1608  defmap = (int *) palloc(num_phys_attrs * sizeof(int));
1609  defexprs = (ExprState **) palloc(num_phys_attrs * sizeof(ExprState *));
1610 
1611  for (int attnum = 1; attnum <= num_phys_attrs; attnum++)
1612  {
1613  Form_pg_attribute att = TupleDescAttr(tupDesc, attnum - 1);
1614 
1615  /* We don't need info for dropped attributes */
1616  if (att->attisdropped)
1617  continue;
1618 
1619  /* Fetch the input function and typioparam info */
1620  if (cstate->opts.binary)
1621  getTypeBinaryInputInfo(att->atttypid,
1622  &in_func_oid, &typioparams[attnum - 1]);
1623  else
1624  getTypeInputInfo(att->atttypid,
1625  &in_func_oid, &typioparams[attnum - 1]);
1626  fmgr_info(in_func_oid, &in_functions[attnum - 1]);
1627 
1628  /* Get default info if available */
1629  defexprs[attnum - 1] = NULL;
1630 
1631  /*
1632  * We only need the default values for columns that do not appear in
1633  * the column list, unless the DEFAULT option was given. We never need
1634  * default values for generated columns.
1635  */
1636  if ((cstate->opts.default_print != NULL ||
1637  !list_member_int(cstate->attnumlist, attnum)) &&
1638  !att->attgenerated)
1639  {
1640  Expr *defexpr = (Expr *) build_column_default(cstate->rel,
1641  attnum);
1642 
1643  if (defexpr != NULL)
1644  {
1645  /* Run the expression through planner */
1646  defexpr = expression_planner(defexpr);
1647 
1648  /* Initialize executable expression in copycontext */
1649  defexprs[attnum - 1] = ExecInitExpr(defexpr, NULL);
1650 
1651  /* if NOT copied from input */
1652  /* use default value if one exists */
1653  if (!list_member_int(cstate->attnumlist, attnum))
1654  {
1655  defmap[num_defaults] = attnum - 1;
1656  num_defaults++;
1657  }
1658 
1659  /*
1660  * If a default expression looks at the table being loaded,
1661  * then it could give the wrong answer when using
1662  * multi-insert. Since database access can be dynamic this is
1663  * hard to test for exactly, so we use the much wider test of
1664  * whether the default expression is volatile. We allow for
1665  * the special case of when the default expression is the
1666  * nextval() of a sequence which in this specific case is
1667  * known to be safe for use with the multi-insert
1668  * optimization. Hence we use this special case function
1669  * checker rather than the standard check for
1670  * contain_volatile_functions(). Note also that we already
1671  * ran the expression through expression_planner().
1672  */
1673  if (!volatile_defexprs)
1674  volatile_defexprs = contain_volatile_functions_not_nextval((Node *) defexpr);
1675  }
1676  }
1677  }
1678 
1679  cstate->defaults = (bool *) palloc0(tupDesc->natts * sizeof(bool));
1680 
1681  /* initialize progress */
1683  cstate->rel ? RelationGetRelid(cstate->rel) : InvalidOid);
1684  cstate->bytes_processed = 0;
1685 
1686  /* We keep those variables in cstate. */
1687  cstate->in_functions = in_functions;
1688  cstate->typioparams = typioparams;
1689  cstate->defmap = defmap;
1690  cstate->defexprs = defexprs;
1691  cstate->volatile_defexprs = volatile_defexprs;
1692  cstate->num_defaults = num_defaults;
1693  cstate->is_program = is_program;
1694 
1695  if (data_source_cb)
1696  {
1697  progress_vals[1] = PROGRESS_COPY_TYPE_CALLBACK;
1698  cstate->copy_src = COPY_CALLBACK;
1699  cstate->data_source_cb = data_source_cb;
1700  }
1701  else if (pipe)
1702  {
1703  progress_vals[1] = PROGRESS_COPY_TYPE_PIPE;
1704  Assert(!is_program); /* the grammar does not allow this */
1706  ReceiveCopyBegin(cstate);
1707  else
1708  cstate->copy_file = stdin;
1709  }
1710  else
1711  {
1712  cstate->filename = pstrdup(filename);
1713 
1714  if (cstate->is_program)
1715  {
1716  progress_vals[1] = PROGRESS_COPY_TYPE_PROGRAM;
1717  cstate->copy_file = OpenPipeStream(cstate->filename, PG_BINARY_R);
1718  if (cstate->copy_file == NULL)
1719  ereport(ERROR,
1721  errmsg("could not execute command \"%s\": %m",
1722  cstate->filename)));
1723  }
1724  else
1725  {
1726  struct stat st;
1727 
1728  progress_vals[1] = PROGRESS_COPY_TYPE_FILE;
1729  cstate->copy_file = AllocateFile(cstate->filename, PG_BINARY_R);
1730  if (cstate->copy_file == NULL)
1731  {
1732  /* copy errno because ereport subfunctions might change it */
1733  int save_errno = errno;
1734 
1735  ereport(ERROR,
1737  errmsg("could not open file \"%s\" for reading: %m",
1738  cstate->filename),
1739  (save_errno == ENOENT || save_errno == EACCES) ?
1740  errhint("COPY FROM instructs the PostgreSQL server process to read a file. "
1741  "You may want a client-side facility such as psql's \\copy.") : 0));
1742  }
1743 
1744  if (fstat(fileno(cstate->copy_file), &st))
1745  ereport(ERROR,
1747  errmsg("could not stat file \"%s\": %m",
1748  cstate->filename)));
1749 
1750  if (S_ISDIR(st.st_mode))
1751  ereport(ERROR,
1752  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
1753  errmsg("\"%s\" is a directory", cstate->filename)));
1754 
1755  progress_vals[2] = st.st_size;
1756  }
1757  }
1758 
1759  pgstat_progress_update_multi_param(3, progress_cols, progress_vals);
1760 
1761  if (cstate->opts.binary)
1762  {
1763  /* Read and verify binary header */
1764  ReceiveCopyBinaryHeader(cstate);
1765  }
1766 
1767  /* create workspace for CopyReadAttributes results */
1768  if (!cstate->opts.binary)
1769  {
1770  AttrNumber attr_count = list_length(cstate->attnumlist);
1771 
1772  cstate->max_fields = attr_count;
1773  cstate->raw_fields = (char **) palloc(attr_count * sizeof(char *));
1774  }
1775 
1776  MemoryContextSwitchTo(oldcontext);
1777 
1778  return cstate;
1779 }
int16 AttrNumber
Definition: attnum.h:21
List * CopyGetAttnums(TupleDesc tupDesc, Relation rel, List *attnamelist)
Definition: copy.c:858
void ProcessCopyOptions(ParseState *pstate, CopyFormatOptions *opts_out, bool is_from, List *options)
Definition: copy.c:459
void pgstat_progress_start_command(ProgressCommandType cmdtype, Oid relid)
void pgstat_progress_update_multi_param(int nparam, const int *index, const int64 *val)
@ PROGRESS_COMMAND_COPY
#define NameStr(name)
Definition: c.h:746
#define PG_BINARY_R
Definition: c.h:1275
#define Assert(condition)
Definition: c.h:858
#define MemSet(start, val, len)
Definition: c.h:1020
#define OidIsValid(objectId)
Definition: c.h:775
bool contain_volatile_functions_not_nextval(Node *clause)
Definition: clauses.c:673
#define INPUT_BUF_SIZE
@ EOL_UNKNOWN
#define RAW_BUF_SIZE
void ReceiveCopyBinaryHeader(CopyFromState cstate)
void ReceiveCopyBegin(CopyFromState cstate)
@ COPY_FILE
Definition: copyto.c:45
@ COPY_CALLBACK
Definition: copyto.c:47
@ DestRemote
Definition: dest.h:89
struct cursor * cur
Definition: ecpg.c:28
int errmsg_internal(const char *fmt,...)
Definition: elog.c:1157
int errcode_for_file_access(void)
Definition: elog.c:880
int errhint(const char *fmt,...)
Definition: elog.c:1317
int errcode(int sqlerrcode)
Definition: elog.c:857
int errmsg(const char *fmt,...)
Definition: elog.c:1070
#define ERROR
Definition: elog.h:39
#define ereport(elevel,...)
Definition: elog.h:149
ExprState * ExecInitExpr(Expr *node, PlanState *parent)
Definition: execExpr.c:134
FILE * AllocateFile(const char *name, const char *mode)
Definition: fd.c:2583
FILE * OpenPipeStream(const char *command, const char *mode)
Definition: fd.c:2686
void fmgr_info(Oid functionId, FmgrInfo *finfo)
Definition: fmgr.c:127
@ COPY_ON_ERROR_IGNORE
Definition: copy.h:40
@ COPY_ON_ERROR_STOP
Definition: copy.h:39
bool list_member_int(const List *list, int datum)
Definition: list.c:702
void getTypeInputInfo(Oid type, Oid *typInput, Oid *typIOParam)
Definition: lsyscache.c:2874
void getTypeBinaryInputInfo(Oid type, Oid *typReceive, Oid *typIOParam)
Definition: lsyscache.c:2940
int GetDatabaseEncoding(void)
Definition: mbutils.c:1261
int pg_get_client_encoding(void)
Definition: mbutils.c:336
char * pstrdup(const char *in)
Definition: mcxt.c:1695
void * palloc0(Size size)
Definition: mcxt.c:1346
MemoryContext CurrentMemoryContext
Definition: mcxt.c:143
void * palloc(Size size)
Definition: mcxt.c:1316
#define AllocSetContextCreate
Definition: memutils.h:129
#define ALLOCSET_DEFAULT_SIZES
Definition: memutils.h:160
Oid FindDefaultConversionProc(int32 for_encoding, int32 to_encoding)
Definition: namespace.c:4065
#define makeNode(_type_)
Definition: nodes.h:155
int16 attnum
Definition: pg_attribute.h:74
FormData_pg_attribute * Form_pg_attribute
Definition: pg_attribute.h:209
static char * filename
Definition: pg_dumpall.c:119
static int list_length(const List *l)
Definition: pg_list.h:152
#define lfirst_int(lc)
Definition: pg_list.h:173
@ PG_SQL_ASCII
Definition: pg_wchar.h:226
#define pg_encoding_to_char
Definition: pg_wchar.h:630
Expr * expression_planner(Expr *expr)
Definition: planner.c:6581
CommandDest whereToSendOutput
Definition: postgres.c:90
#define InvalidOid
Definition: postgres_ext.h:36
unsigned int Oid
Definition: postgres_ext.h:31
#define PROGRESS_COPY_COMMAND
Definition: progress.h:144
#define PROGRESS_COPY_TYPE_FILE
Definition: progress.h:153
#define PROGRESS_COPY_COMMAND_FROM
Definition: progress.h:149
#define PROGRESS_COPY_TYPE
Definition: progress.h:145
#define PROGRESS_COPY_TYPE_PROGRAM
Definition: progress.h:154
#define PROGRESS_COPY_BYTES_TOTAL
Definition: progress.h:141
#define PROGRESS_COPY_TYPE_CALLBACK
Definition: progress.h:156
#define PROGRESS_COPY_TYPE_PIPE
Definition: progress.h:155
MemoryContextSwitchTo(old_ctx)
#define RelationGetRelid(relation)
Definition: rel.h:505
#define RelationGetDescr(relation)
Definition: rel.h:531
#define RelationGetRelationName(relation)
Definition: rel.h:539
Node * build_column_default(Relation rel, int attrno)
void initStringInfo(StringInfo str)
Definition: stringinfo.c:59
bool force_notnull_all
Definition: copy.h:78
bool binary
Definition: copy.h:62
bool convert_selectively
Definition: copy.h:83
CopyOnErrorChoice on_error
Definition: copy.h:84
List * force_null
Definition: copy.h:80
List * convert_select
Definition: copy.h:86
bool force_null_all
Definition: copy.h:81
bool * force_notnull_flags
Definition: copy.h:79
int file_encoding
Definition: copy.h:60
bool * force_null_flags
Definition: copy.h:82
char * default_print
Definition: copy.h:69
List * force_notnull
Definition: copy.h:77
copy_data_source_cb data_source_cb
StringInfoData line_buf
CopyFormatOptions opts
StringInfoData attribute_buf
MemoryContext copycontext
const char * cur_attval
const char * cur_attname
const char * cur_relname
ErrorSaveContext * escontext
bool details_wanted
Definition: miscnodes.h:47
bool error_occurred
Definition: miscnodes.h:46
NodeTag type
Definition: miscnodes.h:45
Definition: fmgr.h:57
Definition: pg_list.h:54
Definition: nodes.h:129
List * p_rteperminfos
Definition: parse_node.h:195
List * p_rtable
Definition: parse_node.h:194
#define TupleDescAttr(tupdesc, i)
Definition: tupdesc.h:92
#define S_ISDIR(m)
Definition: win32_port.h:325
#define fstat
Definition: win32_port.h:283

References AllocateFile(), ALLOCSET_DEFAULT_SIZES, AllocSetContextCreate, Assert, attnum, CopyFromStateData::attnumlist, CopyFromStateData::attribute_buf, CopyFormatOptions::binary, build_column_default(), CopyFromStateData::bytes_processed, contain_volatile_functions_not_nextval(), CopyFromStateData::conversion_proc, CopyFormatOptions::convert_select, CopyFromStateData::convert_select_flags, CopyFormatOptions::convert_selectively, COPY_CALLBACK, COPY_FILE, CopyFromStateData::copy_file, COPY_ON_ERROR_IGNORE, COPY_ON_ERROR_STOP, CopyFromStateData::copy_src, CopyFromStateData::copycontext, CopyGetAttnums(), cur, CopyFromStateData::cur_attname, CopyFromStateData::cur_attval, CopyFromStateData::cur_lineno, CopyFromStateData::cur_relname, CurrentMemoryContext, CopyFromStateData::data_source_cb, CopyFormatOptions::default_print, CopyFromStateData::defaults, CopyFromStateData::defexprs, CopyFromStateData::defmap, DestRemote, ErrorSaveContext::details_wanted, CopyFromStateData::eol_type, EOL_UNKNOWN, ereport, errcode(), errcode_for_file_access(), errhint(), errmsg(), errmsg_internal(), ERROR, ErrorSaveContext::error_occurred, CopyFromStateData::escontext, ExecInitExpr(), expression_planner(), CopyFormatOptions::file_encoding, CopyFromStateData::file_encoding, filename, CopyFromStateData::filename, FindDefaultConversionProc(), fmgr_info(), CopyFormatOptions::force_notnull, CopyFormatOptions::force_notnull_all, CopyFormatOptions::force_notnull_flags, CopyFormatOptions::force_null, CopyFormatOptions::force_null_all, CopyFormatOptions::force_null_flags, fstat, GetDatabaseEncoding(), getTypeBinaryInputInfo(), getTypeInputInfo(), CopyFromStateData::in_functions, initStringInfo(), CopyFromStateData::input_buf, CopyFromStateData::input_buf_index, CopyFromStateData::input_buf_len, INPUT_BUF_SIZE, CopyFromStateData::input_reached_eof, InvalidOid, CopyFromStateData::is_program, lfirst_int, CopyFromStateData::line_buf, list_length(), list_member_int(), makeNode, CopyFromStateData::max_fields, MemoryContextSwitchTo(), MemSet, NameStr, TupleDescData::natts, CopyFromStateData::need_transcoding, CopyFromStateData::num_defaults, OidIsValid, CopyFormatOptions::on_error, OpenPipeStream(), CopyFromStateData::opts, ParseState::p_rtable, ParseState::p_rteperminfos, palloc(), palloc0(), PG_BINARY_R, pg_encoding_to_char, pg_get_client_encoding(), PG_SQL_ASCII, pgstat_progress_start_command(), pgstat_progress_update_multi_param(), ProcessCopyOptions(), PROGRESS_COMMAND_COPY, PROGRESS_COPY_BYTES_TOTAL, PROGRESS_COPY_COMMAND, PROGRESS_COPY_COMMAND_FROM, PROGRESS_COPY_TYPE, PROGRESS_COPY_TYPE_CALLBACK, PROGRESS_COPY_TYPE_FILE, PROGRESS_COPY_TYPE_PIPE, PROGRESS_COPY_TYPE_PROGRAM, pstrdup(), CopyFromStateData::range_table, CopyFromStateData::raw_buf, CopyFromStateData::raw_buf_index, CopyFromStateData::raw_buf_len, RAW_BUF_SIZE, CopyFromStateData::raw_fields, CopyFromStateData::raw_reached_eof, ReceiveCopyBegin(), ReceiveCopyBinaryHeader(), CopyFromStateData::rel, RelationGetDescr, RelationGetRelationName, RelationGetRelid, CopyFromStateData::relname_only, CopyFromStateData::rteperminfos, S_ISDIR, stat::st_mode, stat::st_size, TupleDescAttr, ErrorSaveContext::type, CopyFromStateData::typioparams, CopyFromStateData::volatile_defexprs, CopyFromStateData::whereClause, and whereToSendOutput.

Referenced by copy_table(), DoCopy(), file_acquire_sample_rows(), fileBeginForeignScan(), and fileReScanForeignScan().

◆ ClosePipeFromProgram()

static void ClosePipeFromProgram ( CopyFromState  cstate)
static

Definition at line 1811 of file copyfrom.c.

1812 {
1813  int pclose_rc;
1814 
1815  Assert(cstate->is_program);
1816 
1817  pclose_rc = ClosePipeStream(cstate->copy_file);
1818  if (pclose_rc == -1)
1819  ereport(ERROR,
1821  errmsg("could not close pipe to external command: %m")));
1822  else if (pclose_rc != 0)
1823  {
1824  /*
1825  * If we ended a COPY FROM PROGRAM before reaching EOF, then it's
1826  * expectable for the called program to fail with SIGPIPE, and we
1827  * should not report that as an error. Otherwise, SIGPIPE indicates a
1828  * problem.
1829  */
1830  if (!cstate->raw_reached_eof &&
1831  wait_result_is_signal(pclose_rc, SIGPIPE))
1832  return;
1833 
1834  ereport(ERROR,
1835  (errcode(ERRCODE_EXTERNAL_ROUTINE_EXCEPTION),
1836  errmsg("program \"%s\" failed",
1837  cstate->filename),
1838  errdetail_internal("%s", wait_result_to_str(pclose_rc))));
1839  }
1840 }
int errdetail_internal(const char *fmt,...)
Definition: elog.c:1230
int ClosePipeStream(FILE *file)
Definition: fd.c:2991
char * wait_result_to_str(int exitstatus)
Definition: wait_error.c:33
bool wait_result_is_signal(int exit_status, int signum)
Definition: wait_error.c:102
#define SIGPIPE
Definition: win32_port.h:173

References Assert, ClosePipeStream(), CopyFromStateData::copy_file, ereport, errcode(), errcode_for_file_access(), errdetail_internal(), errmsg(), ERROR, CopyFromStateData::filename, CopyFromStateData::is_program, CopyFromStateData::raw_reached_eof, SIGPIPE, wait_result_is_signal(), and wait_result_to_str().

Referenced by EndCopyFrom().

◆ CopyFrom()

uint64 CopyFrom ( CopyFromState  cstate)

Definition at line 628 of file copyfrom.c.

629 {
630  ResultRelInfo *resultRelInfo;
631  ResultRelInfo *target_resultRelInfo;
632  ResultRelInfo *prevResultRelInfo = NULL;
633  EState *estate = CreateExecutorState(); /* for ExecConstraints() */
634  ModifyTableState *mtstate;
635  ExprContext *econtext;
636  TupleTableSlot *singleslot = NULL;
637  MemoryContext oldcontext = CurrentMemoryContext;
638 
639  PartitionTupleRouting *proute = NULL;
640  ErrorContextCallback errcallback;
641  CommandId mycid = GetCurrentCommandId(true);
642  int ti_options = 0; /* start with default options for insert */
643  BulkInsertState bistate = NULL;
644  CopyInsertMethod insertMethod;
645  CopyMultiInsertInfo multiInsertInfo = {0}; /* pacify compiler */
646  int64 processed = 0;
647  int64 excluded = 0;
648  int64 skipped = 0;
649  bool has_before_insert_row_trig;
650  bool has_instead_insert_row_trig;
651  bool leafpart_use_multi_insert = false;
652 
653  Assert(cstate->rel);
654  Assert(list_length(cstate->range_table) == 1);
655 
656  if (cstate->opts.on_error != COPY_ON_ERROR_STOP)
657  Assert(cstate->escontext);
658 
659  /*
660  * The target must be a plain, foreign, or partitioned relation, or have
661  * an INSTEAD OF INSERT row trigger. (Currently, such triggers are only
662  * allowed on views, so we only hint about them in the view case.)
663  */
664  if (cstate->rel->rd_rel->relkind != RELKIND_RELATION &&
665  cstate->rel->rd_rel->relkind != RELKIND_FOREIGN_TABLE &&
666  cstate->rel->rd_rel->relkind != RELKIND_PARTITIONED_TABLE &&
667  !(cstate->rel->trigdesc &&
669  {
670  if (cstate->rel->rd_rel->relkind == RELKIND_VIEW)
671  ereport(ERROR,
672  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
673  errmsg("cannot copy to view \"%s\"",
674  RelationGetRelationName(cstate->rel)),
675  errhint("To enable copying to a view, provide an INSTEAD OF INSERT trigger.")));
676  else if (cstate->rel->rd_rel->relkind == RELKIND_MATVIEW)
677  ereport(ERROR,
678  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
679  errmsg("cannot copy to materialized view \"%s\"",
680  RelationGetRelationName(cstate->rel))));
681  else if (cstate->rel->rd_rel->relkind == RELKIND_SEQUENCE)
682  ereport(ERROR,
683  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
684  errmsg("cannot copy to sequence \"%s\"",
685  RelationGetRelationName(cstate->rel))));
686  else
687  ereport(ERROR,
688  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
689  errmsg("cannot copy to non-table relation \"%s\"",
690  RelationGetRelationName(cstate->rel))));
691  }
692 
693  /*
694  * If the target file is new-in-transaction, we assume that checking FSM
695  * for free space is a waste of time. This could possibly be wrong, but
696  * it's unlikely.
697  */
698  if (RELKIND_HAS_STORAGE(cstate->rel->rd_rel->relkind) &&
701  ti_options |= TABLE_INSERT_SKIP_FSM;
702 
703  /*
704  * Optimize if new relation storage was created in this subxact or one of
705  * its committed children and we won't see those rows later as part of an
706  * earlier scan or command. The subxact test ensures that if this subxact
707  * aborts then the frozen rows won't be visible after xact cleanup. Note
708  * that the stronger test of exactly which subtransaction created it is
709  * crucial for correctness of this optimization. The test for an earlier
710  * scan or command tolerates false negatives. FREEZE causes other sessions
711  * to see rows they would not see under MVCC, and a false negative merely
712  * spreads that anomaly to the current session.
713  */
714  if (cstate->opts.freeze)
715  {
716  /*
717  * We currently disallow COPY FREEZE on partitioned tables. The
718  * reason for this is that we've simply not yet opened the partitions
719  * to determine if the optimization can be applied to them. We could
720  * go and open them all here, but doing so may be quite a costly
721  * overhead for small copies. In any case, we may just end up routing
722  * tuples to a small number of partitions. It seems better just to
723  * raise an ERROR for partitioned tables.
724  */
725  if (cstate->rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE)
726  {
727  ereport(ERROR,
728  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
729  errmsg("cannot perform COPY FREEZE on a partitioned table")));
730  }
731 
732  /*
733  * Tolerate one registration for the benefit of FirstXactSnapshot.
734  * Scan-bearing queries generally create at least two registrations,
735  * though relying on that is fragile, as is ignoring ActiveSnapshot.
736  * Clear CatalogSnapshot to avoid counting its registration. We'll
737  * still detect ongoing catalog scans, each of which separately
738  * registers the snapshot it uses.
739  */
742  ereport(ERROR,
743  (errcode(ERRCODE_INVALID_TRANSACTION_STATE),
744  errmsg("cannot perform COPY FREEZE because of prior transaction activity")));
745 
746  if (cstate->rel->rd_createSubid != GetCurrentSubTransactionId() &&
748  ereport(ERROR,
749  (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),
750  errmsg("cannot perform COPY FREEZE because the table was not created or truncated in the current subtransaction")));
751 
752  ti_options |= TABLE_INSERT_FROZEN;
753  }
754 
755  /*
756  * We need a ResultRelInfo so we can use the regular executor's
757  * index-entry-making machinery. (There used to be a huge amount of code
758  * here that basically duplicated execUtils.c ...)
759  */
760  ExecInitRangeTable(estate, cstate->range_table, cstate->rteperminfos);
761  resultRelInfo = target_resultRelInfo = makeNode(ResultRelInfo);
762  ExecInitResultRelation(estate, resultRelInfo, 1);
763 
764  /* Verify the named relation is a valid target for INSERT */
765  CheckValidResultRel(resultRelInfo, CMD_INSERT, NIL);
766 
767  ExecOpenIndices(resultRelInfo, false);
768 
769  /*
770  * Set up a ModifyTableState so we can let FDW(s) init themselves for
771  * foreign-table result relation(s).
772  */
773  mtstate = makeNode(ModifyTableState);
774  mtstate->ps.plan = NULL;
775  mtstate->ps.state = estate;
776  mtstate->operation = CMD_INSERT;
777  mtstate->mt_nrels = 1;
778  mtstate->resultRelInfo = resultRelInfo;
779  mtstate->rootResultRelInfo = resultRelInfo;
780 
781  if (resultRelInfo->ri_FdwRoutine != NULL &&
782  resultRelInfo->ri_FdwRoutine->BeginForeignInsert != NULL)
783  resultRelInfo->ri_FdwRoutine->BeginForeignInsert(mtstate,
784  resultRelInfo);
785 
786  /*
787  * Also, if the named relation is a foreign table, determine if the FDW
788  * supports batch insert and determine the batch size (a FDW may support
789  * batching, but it may be disabled for the server/table).
790  *
791  * If the FDW does not support batching, we set the batch size to 1.
792  */
793  if (resultRelInfo->ri_FdwRoutine != NULL &&
794  resultRelInfo->ri_FdwRoutine->GetForeignModifyBatchSize &&
795  resultRelInfo->ri_FdwRoutine->ExecForeignBatchInsert)
796  resultRelInfo->ri_BatchSize =
797  resultRelInfo->ri_FdwRoutine->GetForeignModifyBatchSize(resultRelInfo);
798  else
799  resultRelInfo->ri_BatchSize = 1;
800 
801  Assert(resultRelInfo->ri_BatchSize >= 1);
802 
803  /* Prepare to catch AFTER triggers. */
805 
806  /*
807  * If there are any triggers with transition tables on the named relation,
808  * we need to be prepared to capture transition tuples.
809  *
810  * Because partition tuple routing would like to know about whether
811  * transition capture is active, we also set it in mtstate, which is
812  * passed to ExecFindPartition() below.
813  */
814  cstate->transition_capture = mtstate->mt_transition_capture =
816  RelationGetRelid(cstate->rel),
817  CMD_INSERT);
818 
819  /*
820  * If the named relation is a partitioned table, initialize state for
821  * CopyFrom tuple routing.
822  */
823  if (cstate->rel->rd_rel->relkind == RELKIND_PARTITIONED_TABLE)
824  proute = ExecSetupPartitionTupleRouting(estate, cstate->rel);
825 
826  if (cstate->whereClause)
827  cstate->qualexpr = ExecInitQual(castNode(List, cstate->whereClause),
828  &mtstate->ps);
829 
830  /*
831  * It's generally more efficient to prepare a bunch of tuples for
832  * insertion, and insert them in one
833  * table_multi_insert()/ExecForeignBatchInsert() call, than call
834  * table_tuple_insert()/ExecForeignInsert() separately for every tuple.
835  * However, there are a number of reasons why we might not be able to do
836  * this. These are explained below.
837  */
838  if (resultRelInfo->ri_TrigDesc != NULL &&
839  (resultRelInfo->ri_TrigDesc->trig_insert_before_row ||
840  resultRelInfo->ri_TrigDesc->trig_insert_instead_row))
841  {
842  /*
843  * Can't support multi-inserts when there are any BEFORE/INSTEAD OF
844  * triggers on the table. Such triggers might query the table we're
845  * inserting into and act differently if the tuples that have already
846  * been processed and prepared for insertion are not there.
847  */
848  insertMethod = CIM_SINGLE;
849  }
850  else if (resultRelInfo->ri_FdwRoutine != NULL &&
851  resultRelInfo->ri_BatchSize == 1)
852  {
853  /*
854  * Can't support multi-inserts to a foreign table if the FDW does not
855  * support batching, or it's disabled for the server or foreign table.
856  */
857  insertMethod = CIM_SINGLE;
858  }
859  else if (proute != NULL && resultRelInfo->ri_TrigDesc != NULL &&
860  resultRelInfo->ri_TrigDesc->trig_insert_new_table)
861  {
862  /*
863  * For partitioned tables we can't support multi-inserts when there
864  * are any statement level insert triggers. It might be possible to
865  * allow partitioned tables with such triggers in the future, but for
866  * now, CopyMultiInsertInfoFlush expects that any after row insert and
867  * statement level insert triggers are on the same relation.
868  */
869  insertMethod = CIM_SINGLE;
870  }
871  else if (cstate->volatile_defexprs)
872  {
873  /*
874  * Can't support multi-inserts if there are any volatile default
875  * expressions in the table. Similarly to the trigger case above,
876  * such expressions may query the table we're inserting into.
877  *
878  * Note: It does not matter if any partitions have any volatile
879  * default expressions as we use the defaults from the target of the
880  * COPY command.
881  */
882  insertMethod = CIM_SINGLE;
883  }
884  else if (contain_volatile_functions(cstate->whereClause))
885  {
886  /*
887  * Can't support multi-inserts if there are any volatile function
888  * expressions in WHERE clause. Similarly to the trigger case above,
889  * such expressions may query the table we're inserting into.
890  *
891  * Note: the whereClause was already preprocessed in DoCopy(), so it's
892  * okay to use contain_volatile_functions() directly.
893  */
894  insertMethod = CIM_SINGLE;
895  }
896  else
897  {
898  /*
899  * For partitioned tables, we may still be able to perform bulk
900  * inserts. However, the possibility of this depends on which types
901  * of triggers exist on the partition. We must disable bulk inserts
902  * if the partition is a foreign table that can't use batching or it
903  * has any before row insert or insert instead triggers (same as we
904  * checked above for the parent table). Since the partition's
905  * resultRelInfos are initialized only when we actually need to insert
906  * the first tuple into them, we must have the intermediate insert
907  * method of CIM_MULTI_CONDITIONAL to flag that we must later
908  * determine if we can use bulk-inserts for the partition being
909  * inserted into.
910  */
911  if (proute)
912  insertMethod = CIM_MULTI_CONDITIONAL;
913  else
914  insertMethod = CIM_MULTI;
915 
916  CopyMultiInsertInfoInit(&multiInsertInfo, resultRelInfo, cstate,
917  estate, mycid, ti_options);
918  }
919 
920  /*
921  * If not using batch mode (which allocates slots as needed) set up a
922  * tuple slot too. When inserting into a partitioned table, we also need
923  * one, even if we might batch insert, to read the tuple in the root
924  * partition's form.
925  */
926  if (insertMethod == CIM_SINGLE || insertMethod == CIM_MULTI_CONDITIONAL)
927  {
928  singleslot = table_slot_create(resultRelInfo->ri_RelationDesc,
929  &estate->es_tupleTable);
930  bistate = GetBulkInsertState();
931  }
932 
933  has_before_insert_row_trig = (resultRelInfo->ri_TrigDesc &&
934  resultRelInfo->ri_TrigDesc->trig_insert_before_row);
935 
936  has_instead_insert_row_trig = (resultRelInfo->ri_TrigDesc &&
937  resultRelInfo->ri_TrigDesc->trig_insert_instead_row);
938 
939  /*
940  * Check BEFORE STATEMENT insertion triggers. It's debatable whether we
941  * should do this for COPY, since it's not really an "INSERT" statement as
942  * such. However, executing these triggers maintains consistency with the
943  * EACH ROW triggers that we already fire on COPY.
944  */
945  ExecBSInsertTriggers(estate, resultRelInfo);
946 
947  econtext = GetPerTupleExprContext(estate);
948 
949  /* Set up callback to identify error line number */
950  errcallback.callback = CopyFromErrorCallback;
951  errcallback.arg = (void *) cstate;
952  errcallback.previous = error_context_stack;
953  error_context_stack = &errcallback;
954 
955  for (;;)
956  {
957  TupleTableSlot *myslot;
958  bool skip_tuple;
959 
961 
962  /*
963  * Reset the per-tuple exprcontext. We do this after every tuple, to
964  * clean-up after expression evaluations etc.
965  */
966  ResetPerTupleExprContext(estate);
967 
968  /* select slot to (initially) load row into */
969  if (insertMethod == CIM_SINGLE || proute)
970  {
971  myslot = singleslot;
972  Assert(myslot != NULL);
973  }
974  else
975  {
976  Assert(resultRelInfo == target_resultRelInfo);
977  Assert(insertMethod == CIM_MULTI);
978 
979  myslot = CopyMultiInsertInfoNextFreeSlot(&multiInsertInfo,
980  resultRelInfo);
981  }
982 
983  /*
984  * Switch to per-tuple context before calling NextCopyFrom, which does
985  * evaluate default expressions etc. and requires per-tuple context.
986  */
988 
989  ExecClearTuple(myslot);
990 
991  /* Directly store the values/nulls array in the slot */
992  if (!NextCopyFrom(cstate, econtext, myslot->tts_values, myslot->tts_isnull))
993  break;
994 
995  if (cstate->opts.on_error != COPY_ON_ERROR_STOP &&
996  cstate->escontext->error_occurred)
997  {
998  /*
999  * Soft error occurred, skip this tuple and deal with error
1000  * information according to ON_ERROR.
1001  */
1002  if (cstate->opts.on_error == COPY_ON_ERROR_IGNORE)
1003 
1004  /*
1005  * Just make ErrorSaveContext ready for the next NextCopyFrom.
1006  * Since we don't set details_wanted and error_data is not to
1007  * be filled, just resetting error_occurred is enough.
1008  */
1009  cstate->escontext->error_occurred = false;
1010 
1011  /* Report that this tuple was skipped by the ON_ERROR clause */
1013  ++skipped);
1014 
1015  continue;
1016  }
1017 
1018  ExecStoreVirtualTuple(myslot);
1019 
1020  /*
1021  * Constraints and where clause might reference the tableoid column,
1022  * so (re-)initialize tts_tableOid before evaluating them.
1023  */
1024  myslot->tts_tableOid = RelationGetRelid(target_resultRelInfo->ri_RelationDesc);
1025 
1026  /* Triggers and stuff need to be invoked in query context. */
1027  MemoryContextSwitchTo(oldcontext);
1028 
1029  if (cstate->whereClause)
1030  {
1031  econtext->ecxt_scantuple = myslot;
1032  /* Skip items that don't match COPY's WHERE clause */
1033  if (!ExecQual(cstate->qualexpr, econtext))
1034  {
1035  /*
1036  * Report that this tuple was filtered out by the WHERE
1037  * clause.
1038  */
1040  ++excluded);
1041  continue;
1042  }
1043  }
1044 
1045  /* Determine the partition to insert the tuple into */
1046  if (proute)
1047  {
1048  TupleConversionMap *map;
1049 
1050  /*
1051  * Attempt to find a partition suitable for this tuple.
1052  * ExecFindPartition() will raise an error if none can be found or
1053  * if the found partition is not suitable for INSERTs.
1054  */
1055  resultRelInfo = ExecFindPartition(mtstate, target_resultRelInfo,
1056  proute, myslot, estate);
1057 
1058  if (prevResultRelInfo != resultRelInfo)
1059  {
1060  /* Determine which triggers exist on this partition */
1061  has_before_insert_row_trig = (resultRelInfo->ri_TrigDesc &&
1062  resultRelInfo->ri_TrigDesc->trig_insert_before_row);
1063 
1064  has_instead_insert_row_trig = (resultRelInfo->ri_TrigDesc &&
1065  resultRelInfo->ri_TrigDesc->trig_insert_instead_row);
1066 
1067  /*
1068  * Disable multi-inserts when the partition has BEFORE/INSTEAD
1069  * OF triggers, or if the partition is a foreign table that
1070  * can't use batching.
1071  */
1072  leafpart_use_multi_insert = insertMethod == CIM_MULTI_CONDITIONAL &&
1073  !has_before_insert_row_trig &&
1074  !has_instead_insert_row_trig &&
1075  (resultRelInfo->ri_FdwRoutine == NULL ||
1076  resultRelInfo->ri_BatchSize > 1);
1077 
1078  /* Set the multi-insert buffer to use for this partition. */
1079  if (leafpart_use_multi_insert)
1080  {
1081  if (resultRelInfo->ri_CopyMultiInsertBuffer == NULL)
1082  CopyMultiInsertInfoSetupBuffer(&multiInsertInfo,
1083  resultRelInfo);
1084  }
1085  else if (insertMethod == CIM_MULTI_CONDITIONAL &&
1086  !CopyMultiInsertInfoIsEmpty(&multiInsertInfo))
1087  {
1088  /*
1089  * Flush pending inserts if this partition can't use
1090  * batching, so rows are visible to triggers etc.
1091  */
1092  CopyMultiInsertInfoFlush(&multiInsertInfo,
1093  resultRelInfo,
1094  &processed);
1095  }
1096 
1097  if (bistate != NULL)
1098  ReleaseBulkInsertStatePin(bistate);
1099  prevResultRelInfo = resultRelInfo;
1100  }
1101 
1102  /*
1103  * If we're capturing transition tuples, we might need to convert
1104  * from the partition rowtype to root rowtype. But if there are no
1105  * BEFORE triggers on the partition that could change the tuple,
1106  * we can just remember the original unconverted tuple to avoid a
1107  * needless round trip conversion.
1108  */
1109  if (cstate->transition_capture != NULL)
1111  !has_before_insert_row_trig ? myslot : NULL;
1112 
1113  /*
1114  * We might need to convert from the root rowtype to the partition
1115  * rowtype.
1116  */
1117  map = ExecGetRootToChildMap(resultRelInfo, estate);
1118  if (insertMethod == CIM_SINGLE || !leafpart_use_multi_insert)
1119  {
1120  /* non batch insert */
1121  if (map != NULL)
1122  {
1123  TupleTableSlot *new_slot;
1124 
1125  new_slot = resultRelInfo->ri_PartitionTupleSlot;
1126  myslot = execute_attr_map_slot(map->attrMap, myslot, new_slot);
1127  }
1128  }
1129  else
1130  {
1131  /*
1132  * Prepare to queue up tuple for later batch insert into
1133  * current partition.
1134  */
1135  TupleTableSlot *batchslot;
1136 
1137  /* no other path available for partitioned table */
1138  Assert(insertMethod == CIM_MULTI_CONDITIONAL);
1139 
1140  batchslot = CopyMultiInsertInfoNextFreeSlot(&multiInsertInfo,
1141  resultRelInfo);
1142 
1143  if (map != NULL)
1144  myslot = execute_attr_map_slot(map->attrMap, myslot,
1145  batchslot);
1146  else
1147  {
1148  /*
1149  * This looks more expensive than it is (Believe me, I
1150  * optimized it away. Twice.). The input is in virtual
1151  * form, and we'll materialize the slot below - for most
1152  * slot types the copy performs the work materialization
1153  * would later require anyway.
1154  */
1155  ExecCopySlot(batchslot, myslot);
1156  myslot = batchslot;
1157  }
1158  }
1159 
1160  /* ensure that triggers etc see the right relation */
1161  myslot->tts_tableOid = RelationGetRelid(resultRelInfo->ri_RelationDesc);
1162  }
1163 
1164  skip_tuple = false;
1165 
1166  /* BEFORE ROW INSERT Triggers */
1167  if (has_before_insert_row_trig)
1168  {
1169  if (!ExecBRInsertTriggers(estate, resultRelInfo, myslot))
1170  skip_tuple = true; /* "do nothing" */
1171  }
1172 
1173  if (!skip_tuple)
1174  {
1175  /*
1176  * If there is an INSTEAD OF INSERT ROW trigger, let it handle the
1177  * tuple. Otherwise, proceed with inserting the tuple into the
1178  * table or foreign table.
1179  */
1180  if (has_instead_insert_row_trig)
1181  {
1182  ExecIRInsertTriggers(estate, resultRelInfo, myslot);
1183  }
1184  else
1185  {
1186  /* Compute stored generated columns */
1187  if (resultRelInfo->ri_RelationDesc->rd_att->constr &&
1189  ExecComputeStoredGenerated(resultRelInfo, estate, myslot,
1190  CMD_INSERT);
1191 
1192  /*
1193  * If the target is a plain table, check the constraints of
1194  * the tuple.
1195  */
1196  if (resultRelInfo->ri_FdwRoutine == NULL &&
1197  resultRelInfo->ri_RelationDesc->rd_att->constr)
1198  ExecConstraints(resultRelInfo, myslot, estate);
1199 
1200  /*
1201  * Also check the tuple against the partition constraint, if
1202  * there is one; except that if we got here via tuple-routing,
1203  * we don't need to if there's no BR trigger defined on the
1204  * partition.
1205  */
1206  if (resultRelInfo->ri_RelationDesc->rd_rel->relispartition &&
1207  (proute == NULL || has_before_insert_row_trig))
1208  ExecPartitionCheck(resultRelInfo, myslot, estate, true);
1209 
1210  /* Store the slot in the multi-insert buffer, when enabled. */
1211  if (insertMethod == CIM_MULTI || leafpart_use_multi_insert)
1212  {
1213  /*
1214  * The slot previously might point into the per-tuple
1215  * context. For batching it needs to be longer lived.
1216  */
1217  ExecMaterializeSlot(myslot);
1218 
1219  /* Add this tuple to the tuple buffer */
1220  CopyMultiInsertInfoStore(&multiInsertInfo,
1221  resultRelInfo, myslot,
1222  cstate->line_buf.len,
1223  cstate->cur_lineno);
1224 
1225  /*
1226  * If enough inserts have queued up, then flush all
1227  * buffers out to their tables.
1228  */
1229  if (CopyMultiInsertInfoIsFull(&multiInsertInfo))
1230  CopyMultiInsertInfoFlush(&multiInsertInfo,
1231  resultRelInfo,
1232  &processed);
1233 
1234  /*
1235  * We delay updating the row counter and progress of the
1236  * COPY command until after writing the tuples stored in
1237  * the buffer out to the table, as in single insert mode.
1238  * See CopyMultiInsertBufferFlush().
1239  */
1240  continue; /* next tuple please */
1241  }
1242  else
1243  {
1244  List *recheckIndexes = NIL;
1245 
1246  /* OK, store the tuple */
1247  if (resultRelInfo->ri_FdwRoutine != NULL)
1248  {
1249  myslot = resultRelInfo->ri_FdwRoutine->ExecForeignInsert(estate,
1250  resultRelInfo,
1251  myslot,
1252  NULL);
1253 
1254  if (myslot == NULL) /* "do nothing" */
1255  continue; /* next tuple please */
1256 
1257  /*
1258  * AFTER ROW Triggers might reference the tableoid
1259  * column, so (re-)initialize tts_tableOid before
1260  * evaluating them.
1261  */
1262  myslot->tts_tableOid = RelationGetRelid(resultRelInfo->ri_RelationDesc);
1263  }
1264  else
1265  {
1266  /* OK, store the tuple and create index entries for it */
1267  table_tuple_insert(resultRelInfo->ri_RelationDesc,
1268  myslot, mycid, ti_options, bistate);
1269 
1270  if (resultRelInfo->ri_NumIndices > 0)
1271  recheckIndexes = ExecInsertIndexTuples(resultRelInfo,
1272  myslot,
1273  estate,
1274  false,
1275  false,
1276  NULL,
1277  NIL,
1278  false);
1279  }
1280 
1281  /* AFTER ROW INSERT Triggers */
1282  ExecARInsertTriggers(estate, resultRelInfo, myslot,
1283  recheckIndexes, cstate->transition_capture);
1284 
1285  list_free(recheckIndexes);
1286  }
1287  }
1288 
1289  /*
1290  * We count only tuples not suppressed by a BEFORE INSERT trigger
1291  * or FDW; this is the same definition used by nodeModifyTable.c
1292  * for counting tuples inserted by an INSERT command. Update
1293  * progress of the COPY command as well.
1294  */
1296  ++processed);
1297  }
1298  }
1299 
1300  /* Flush any remaining buffered tuples */
1301  if (insertMethod != CIM_SINGLE)
1302  {
1303  if (!CopyMultiInsertInfoIsEmpty(&multiInsertInfo))
1304  CopyMultiInsertInfoFlush(&multiInsertInfo, NULL, &processed);
1305  }
1306 
1307  /* Done, clean up */
1308  error_context_stack = errcallback.previous;
1309 
1310  if (cstate->opts.on_error != COPY_ON_ERROR_STOP &&
1311  cstate->num_errors > 0)
1312  ereport(NOTICE,
1313  errmsg_plural("%llu row was skipped due to data type incompatibility",
1314  "%llu rows were skipped due to data type incompatibility",
1315  (unsigned long long) cstate->num_errors,
1316  (unsigned long long) cstate->num_errors));
1317 
1318  if (bistate != NULL)
1319  FreeBulkInsertState(bistate);
1320 
1321  MemoryContextSwitchTo(oldcontext);
1322 
1323  /* Execute AFTER STATEMENT insertion triggers */
1324  ExecASInsertTriggers(estate, target_resultRelInfo, cstate->transition_capture);
1325 
1326  /* Handle queued AFTER triggers */
1327  AfterTriggerEndQuery(estate);
1328 
1329  ExecResetTupleTable(estate->es_tupleTable, false);
1330 
1331  /* Allow the FDW to shut down */
1332  if (target_resultRelInfo->ri_FdwRoutine != NULL &&
1333  target_resultRelInfo->ri_FdwRoutine->EndForeignInsert != NULL)
1334  target_resultRelInfo->ri_FdwRoutine->EndForeignInsert(estate,
1335  target_resultRelInfo);
1336 
1337  /* Tear down the multi-insert buffer data */
1338  if (insertMethod != CIM_SINGLE)
1339  CopyMultiInsertInfoCleanup(&multiInsertInfo);
1340 
1341  /* Close all the partitioned tables, leaf partitions, and their indices */
1342  if (proute)
1343  ExecCleanupTupleRouting(mtstate, proute);
1344 
1345  /* Close the result relations, including any trigger target relations */
1346  ExecCloseResultRelations(estate);
1348 
1349  FreeExecutorState(estate);
1350 
1351  return processed;
1352 }
void pgstat_progress_update_param(int index, int64 val)
#define InvalidSubTransactionId
Definition: c.h:658
uint32 CommandId
Definition: c.h:666
bool contain_volatile_functions(Node *clause)
Definition: clauses.c:538
static void CopyMultiInsertInfoSetupBuffer(CopyMultiInsertInfo *miinfo, ResultRelInfo *rri)
Definition: copyfrom.c:238
static void CopyMultiInsertInfoInit(CopyMultiInsertInfo *miinfo, ResultRelInfo *rri, CopyFromState cstate, EState *estate, CommandId mycid, int ti_options)
Definition: copyfrom.c:258
static void CopyMultiInsertInfoFlush(CopyMultiInsertInfo *miinfo, ResultRelInfo *curr_rri, int64 *processed)
Definition: copyfrom.c:520
static void CopyMultiInsertInfoStore(CopyMultiInsertInfo *miinfo, ResultRelInfo *rri, TupleTableSlot *slot, int tuplen, uint64 lineno)
Definition: copyfrom.c:605
static void CopyMultiInsertInfoCleanup(CopyMultiInsertInfo *miinfo)
Definition: copyfrom.c:567
static bool CopyMultiInsertInfoIsFull(CopyMultiInsertInfo *miinfo)
Definition: copyfrom.c:283
static TupleTableSlot * CopyMultiInsertInfoNextFreeSlot(CopyMultiInsertInfo *miinfo, ResultRelInfo *rri)
Definition: copyfrom.c:586
static bool CopyMultiInsertInfoIsEmpty(CopyMultiInsertInfo *miinfo)
Definition: copyfrom.c:295
void CopyFromErrorCallback(void *arg)
Definition: copyfrom.c:112
CopyInsertMethod
@ CIM_SINGLE
@ CIM_MULTI_CONDITIONAL
@ CIM_MULTI
bool NextCopyFrom(CopyFromState cstate, ExprContext *econtext, Datum *values, bool *nulls)
int errmsg_plural(const char *fmt_singular, const char *fmt_plural, unsigned long n,...)
Definition: elog.c:1180
ErrorContextCallback * error_context_stack
Definition: elog.c:94
#define NOTICE
Definition: elog.h:35
ExprState * ExecInitQual(List *qual, PlanState *parent)
Definition: execExpr.c:220
List * ExecInsertIndexTuples(ResultRelInfo *resultRelInfo, TupleTableSlot *slot, EState *estate, bool update, bool noDupErr, bool *specConflict, List *arbiterIndexes, bool onlySummarizing)
Definition: execIndexing.c:298
void ExecOpenIndices(ResultRelInfo *resultRelInfo, bool speculative)
Definition: execIndexing.c:156
void CheckValidResultRel(ResultRelInfo *resultRelInfo, CmdType operation, List *mergeActions)
Definition: execMain.c:1026
bool ExecPartitionCheck(ResultRelInfo *resultRelInfo, TupleTableSlot *slot, EState *estate, bool emitError)
Definition: execMain.c:1792
void ExecCloseResultRelations(EState *estate)
Definition: execMain.c:1517
void ExecCloseRangeTableRelations(EState *estate)
Definition: execMain.c:1577
void ExecConstraints(ResultRelInfo *resultRelInfo, TupleTableSlot *slot, EState *estate)
Definition: execMain.c:1916
ResultRelInfo * ExecFindPartition(ModifyTableState *mtstate, ResultRelInfo *rootResultRelInfo, PartitionTupleRouting *proute, TupleTableSlot *slot, EState *estate)
PartitionTupleRouting * ExecSetupPartitionTupleRouting(EState *estate, Relation rel)
void ExecCleanupTupleRouting(ModifyTableState *mtstate, PartitionTupleRouting *proute)
void ExecResetTupleTable(List *tupleTable, bool shouldFree)
Definition: execTuples.c:1278
TupleTableSlot * ExecStoreVirtualTuple(TupleTableSlot *slot)
Definition: execTuples.c:1639
void ExecInitRangeTable(EState *estate, List *rangeTable, List *permInfos)
Definition: execUtils.c:728
void ExecInitResultRelation(EState *estate, ResultRelInfo *resultRelInfo, Index rti)
Definition: execUtils.c:814
EState * CreateExecutorState(void)
Definition: execUtils.c:88
TupleConversionMap * ExecGetRootToChildMap(ResultRelInfo *resultRelInfo, EState *estate)
Definition: execUtils.c:1232
void FreeExecutorState(EState *estate)
Definition: execUtils.c:189
#define ResetPerTupleExprContext(estate)
Definition: executor.h:559
#define GetPerTupleExprContext(estate)
Definition: executor.h:550
#define GetPerTupleMemoryContext(estate)
Definition: executor.h:555
static bool ExecQual(ExprState *state, ExprContext *econtext)
Definition: executor.h:413
void ReleaseBulkInsertStatePin(BulkInsertState bistate)
Definition: heapam.c:1955
BulkInsertState GetBulkInsertState(void)
Definition: heapam.c:1926
void FreeBulkInsertState(BulkInsertState bistate)
Definition: heapam.c:1943
void list_free(List *list)
Definition: list.c:1546
#define CHECK_FOR_INTERRUPTS()
Definition: miscadmin.h:122
void ExecComputeStoredGenerated(ResultRelInfo *resultRelInfo, EState *estate, TupleTableSlot *slot, CmdType cmdtype)
@ CMD_INSERT
Definition: nodes.h:267
#define castNode(_type_, nodeptr)
Definition: nodes.h:176
#define NIL
Definition: pg_list.h:68
bool ThereAreNoReadyPortals(void)
Definition: portalmem.c:1168
#define PROGRESS_COPY_TUPLES_PROCESSED
Definition: progress.h:142
#define PROGRESS_COPY_TUPLES_EXCLUDED
Definition: progress.h:143
#define PROGRESS_COPY_TUPLES_SKIPPED
Definition: progress.h:146
bool ThereAreNoPriorRegisteredSnapshots(void)
Definition: snapmgr.c:1606
void InvalidateCatalogSnapshot(void)
Definition: snapmgr.c:422
bool freeze
Definition: copy.h:63
TransitionCaptureState * transition_capture
List * es_tupleTable
Definition: execnodes.h:669
struct ErrorContextCallback * previous
Definition: elog.h:295
void(* callback)(void *arg)
Definition: elog.h:296
TupleTableSlot * ecxt_scantuple
Definition: execnodes.h:255
EndForeignInsert_function EndForeignInsert
Definition: fdwapi.h:239
BeginForeignInsert_function BeginForeignInsert
Definition: fdwapi.h:238
ExecForeignInsert_function ExecForeignInsert
Definition: fdwapi.h:232
ExecForeignBatchInsert_function ExecForeignBatchInsert
Definition: fdwapi.h:233
GetForeignModifyBatchSize_function GetForeignModifyBatchSize
Definition: fdwapi.h:234
CmdType operation
Definition: execnodes.h:1356
ResultRelInfo * resultRelInfo
Definition: execnodes.h:1360
PlanState ps
Definition: execnodes.h:1355
ResultRelInfo * rootResultRelInfo
Definition: execnodes.h:1368
struct TransitionCaptureState * mt_transition_capture
Definition: execnodes.h:1394
Plan * plan
Definition: execnodes.h:1117
EState * state
Definition: execnodes.h:1119
SubTransactionId rd_firstRelfilelocatorSubid
Definition: rel.h:106
TriggerDesc * trigdesc
Definition: rel.h:117
TupleDesc rd_att
Definition: rel.h:112
SubTransactionId rd_newRelfilelocatorSubid
Definition: rel.h:104
SubTransactionId rd_createSubid
Definition: rel.h:103
Form_pg_class rd_rel
Definition: rel.h:111
TupleTableSlot * ri_PartitionTupleSlot
Definition: execnodes.h:583
int ri_NumIndices
Definition: execnodes.h:459
Relation ri_RelationDesc
Definition: execnodes.h:456
struct CopyMultiInsertBuffer * ri_CopyMultiInsertBuffer
Definition: execnodes.h:586
TriggerDesc * ri_TrigDesc
Definition: execnodes.h:486
struct FdwRoutine * ri_FdwRoutine
Definition: execnodes.h:503
int ri_BatchSize
Definition: execnodes.h:514
TupleTableSlot * tcs_original_insert_tuple
Definition: trigger.h:76
bool trig_insert_instead_row
Definition: reltrigger.h:58
bool trig_insert_new_table
Definition: reltrigger.h:75
bool trig_insert_before_row
Definition: reltrigger.h:56
bool has_generated_stored
Definition: tupdesc.h:45
AttrMap * attrMap
Definition: tupconvert.h:28
TupleConstr * constr
Definition: tupdesc.h:85
Oid tts_tableOid
Definition: tuptable.h:130
bool * tts_isnull
Definition: tuptable.h:127
Datum * tts_values
Definition: tuptable.h:125
TupleTableSlot * table_slot_create(Relation relation, List **reglist)
Definition: tableam.c:91
#define TABLE_INSERT_FROZEN
Definition: tableam.h:261
#define TABLE_INSERT_SKIP_FSM
Definition: tableam.h:260
static void table_tuple_insert(Relation rel, TupleTableSlot *slot, CommandId cid, int options, struct BulkInsertStateData *bistate)
Definition: tableam.h:1402
void ExecBSInsertTriggers(EState *estate, ResultRelInfo *relinfo)
Definition: trigger.c:2393
bool ExecBRInsertTriggers(EState *estate, ResultRelInfo *relinfo, TupleTableSlot *slot)
Definition: trigger.c:2457
bool ExecIRInsertTriggers(EState *estate, ResultRelInfo *relinfo, TupleTableSlot *slot)
Definition: trigger.c:2550
void ExecARInsertTriggers(EState *estate, ResultRelInfo *relinfo, TupleTableSlot *slot, List *recheckIndexes, TransitionCaptureState *transition_capture)
Definition: trigger.c:2533
TransitionCaptureState * MakeTransitionCaptureState(TriggerDesc *trigdesc, Oid relid, CmdType cmdType)
Definition: trigger.c:4883
void ExecASInsertTriggers(EState *estate, ResultRelInfo *relinfo, TransitionCaptureState *transition_capture)
Definition: trigger.c:2444
void AfterTriggerEndQuery(EState *estate)
Definition: trigger.c:5039
void AfterTriggerBeginQuery(void)
Definition: trigger.c:5019
TupleTableSlot * execute_attr_map_slot(AttrMap *attrMap, TupleTableSlot *in_slot, TupleTableSlot *out_slot)
Definition: tupconvert.c:192
static TupleTableSlot * ExecClearTuple(TupleTableSlot *slot)
Definition: tuptable.h:454
static TupleTableSlot * ExecCopySlot(TupleTableSlot *dstslot, TupleTableSlot *srcslot)
Definition: tuptable.h:509
static void ExecMaterializeSlot(TupleTableSlot *slot)
Definition: tuptable.h:472
SubTransactionId GetCurrentSubTransactionId(void)
Definition: xact.c:788
CommandId GetCurrentCommandId(bool used)
Definition: xact.c:826

References AfterTriggerBeginQuery(), AfterTriggerEndQuery(), ErrorContextCallback::arg, Assert, TupleConversionMap::attrMap, FdwRoutine::BeginForeignInsert, ErrorContextCallback::callback, castNode, CHECK_FOR_INTERRUPTS, CheckValidResultRel(), CIM_MULTI, CIM_MULTI_CONDITIONAL, CIM_SINGLE, CMD_INSERT, TupleDescData::constr, contain_volatile_functions(), COPY_ON_ERROR_IGNORE, COPY_ON_ERROR_STOP, CopyFromErrorCallback(), CopyMultiInsertInfoCleanup(), CopyMultiInsertInfoFlush(), CopyMultiInsertInfoInit(), CopyMultiInsertInfoIsEmpty(), CopyMultiInsertInfoIsFull(), CopyMultiInsertInfoNextFreeSlot(), CopyMultiInsertInfoSetupBuffer(), CopyMultiInsertInfoStore(), CreateExecutorState(), CopyFromStateData::cur_lineno, CurrentMemoryContext, ExprContext::ecxt_scantuple, FdwRoutine::EndForeignInsert, ereport, errcode(), errhint(), errmsg(), errmsg_plural(), ERROR, error_context_stack, ErrorSaveContext::error_occurred, EState::es_tupleTable, CopyFromStateData::escontext, ExecARInsertTriggers(), ExecASInsertTriggers(), ExecBRInsertTriggers(), ExecBSInsertTriggers(), ExecCleanupTupleRouting(), ExecClearTuple(), ExecCloseRangeTableRelations(), ExecCloseResultRelations(), ExecComputeStoredGenerated(), ExecConstraints(), ExecCopySlot(), ExecFindPartition(), FdwRoutine::ExecForeignBatchInsert, FdwRoutine::ExecForeignInsert, ExecGetRootToChildMap(), ExecInitQual(), ExecInitRangeTable(), ExecInitResultRelation(), ExecInsertIndexTuples(), ExecIRInsertTriggers(), ExecMaterializeSlot(), ExecOpenIndices(), ExecPartitionCheck(), ExecQual(), ExecResetTupleTable(), ExecSetupPartitionTupleRouting(), ExecStoreVirtualTuple(), execute_attr_map_slot(), FreeBulkInsertState(), FreeExecutorState(), CopyFormatOptions::freeze, GetBulkInsertState(), GetCurrentCommandId(), GetCurrentSubTransactionId(), FdwRoutine::GetForeignModifyBatchSize, GetPerTupleExprContext, GetPerTupleMemoryContext, TupleConstr::has_generated_stored, InvalidateCatalogSnapshot(), InvalidSubTransactionId, StringInfoData::len, CopyFromStateData::line_buf, list_free(), list_length(), makeNode, MakeTransitionCaptureState(), MemoryContextSwitchTo(), ModifyTableState::mt_nrels, ModifyTableState::mt_transition_capture, NextCopyFrom(), NIL, NOTICE, CopyFromStateData::num_errors, CopyFormatOptions::on_error, ModifyTableState::operation, CopyFromStateData::opts, pgstat_progress_update_param(), PlanState::plan, ErrorContextCallback::previous, PROGRESS_COPY_TUPLES_EXCLUDED, PROGRESS_COPY_TUPLES_PROCESSED, PROGRESS_COPY_TUPLES_SKIPPED, ModifyTableState::ps, CopyFromStateData::qualexpr, CopyFromStateData::range_table, RelationData::rd_att, RelationData::rd_createSubid, RelationData::rd_firstRelfilelocatorSubid, RelationData::rd_newRelfilelocatorSubid, RelationData::rd_rel, CopyFromStateData::rel, RelationGetRelationName, RelationGetRelid, ReleaseBulkInsertStatePin(), ResetPerTupleExprContext, ModifyTableState::resultRelInfo, ResultRelInfo::ri_BatchSize, ResultRelInfo::ri_CopyMultiInsertBuffer, ResultRelInfo::ri_FdwRoutine, ResultRelInfo::ri_NumIndices, ResultRelInfo::ri_PartitionTupleSlot, ResultRelInfo::ri_RelationDesc, ResultRelInfo::ri_TrigDesc, ModifyTableState::rootResultRelInfo, CopyFromStateData::rteperminfos, PlanState::state, TABLE_INSERT_FROZEN, TABLE_INSERT_SKIP_FSM, table_slot_create(), table_tuple_insert(), TransitionCaptureState::tcs_original_insert_tuple, ThereAreNoPriorRegisteredSnapshots(), ThereAreNoReadyPortals(), CopyFromStateData::transition_capture, TriggerDesc::trig_insert_before_row, TriggerDesc::trig_insert_instead_row, TriggerDesc::trig_insert_new_table, RelationData::trigdesc, TupleTableSlot::tts_isnull, TupleTableSlot::tts_tableOid, TupleTableSlot::tts_values, CopyFromStateData::volatile_defexprs, and CopyFromStateData::whereClause.

Referenced by copy_table(), and DoCopy().

◆ CopyFromErrorCallback()

void CopyFromErrorCallback ( void *  arg)

Definition at line 112 of file copyfrom.c.

113 {
114  CopyFromState cstate = (CopyFromState) arg;
115 
116  if (cstate->relname_only)
117  {
118  errcontext("COPY %s",
119  cstate->cur_relname);
120  return;
121  }
122  if (cstate->opts.binary)
123  {
124  /* can't usefully display the data */
125  if (cstate->cur_attname)
126  errcontext("COPY %s, line %llu, column %s",
127  cstate->cur_relname,
128  (unsigned long long) cstate->cur_lineno,
129  cstate->cur_attname);
130  else
131  errcontext("COPY %s, line %llu",
132  cstate->cur_relname,
133  (unsigned long long) cstate->cur_lineno);
134  }
135  else
136  {
137  if (cstate->cur_attname && cstate->cur_attval)
138  {
139  /* error is relevant to a particular column */
140  char *attval;
141 
142  attval = CopyLimitPrintoutLength(cstate->cur_attval);
143  errcontext("COPY %s, line %llu, column %s: \"%s\"",
144  cstate->cur_relname,
145  (unsigned long long) cstate->cur_lineno,
146  cstate->cur_attname,
147  attval);
148  pfree(attval);
149  }
150  else if (cstate->cur_attname)
151  {
152  /* error is relevant to a particular column, value is NULL */
153  errcontext("COPY %s, line %llu, column %s: null input",
154  cstate->cur_relname,
155  (unsigned long long) cstate->cur_lineno,
156  cstate->cur_attname);
157  }
158  else
159  {
160  /*
161  * Error is relevant to a particular line.
162  *
163  * If line_buf still contains the correct line, print it.
164  */
165  if (cstate->line_buf_valid)
166  {
167  char *lineval;
168 
169  lineval = CopyLimitPrintoutLength(cstate->line_buf.data);
170  errcontext("COPY %s, line %llu: \"%s\"",
171  cstate->cur_relname,
172  (unsigned long long) cstate->cur_lineno, lineval);
173  pfree(lineval);
174  }
175  else
176  {
177  errcontext("COPY %s, line %llu",
178  cstate->cur_relname,
179  (unsigned long long) cstate->cur_lineno);
180  }
181  }
182  }
183 }
char * CopyLimitPrintoutLength(const char *str)
Definition: copyfrom.c:191
#define errcontext
Definition: elog.h:196
struct CopyFromStateData * CopyFromState
Definition: copy.h:90
void pfree(void *pointer)
Definition: mcxt.c:1520
void * arg

References arg, CopyFormatOptions::binary, CopyLimitPrintoutLength(), CopyFromStateData::cur_attname, CopyFromStateData::cur_attval, CopyFromStateData::cur_lineno, CopyFromStateData::cur_relname, StringInfoData::data, errcontext, CopyFromStateData::line_buf, CopyFromStateData::line_buf_valid, CopyFromStateData::opts, pfree(), and CopyFromStateData::relname_only.

Referenced by CopyFrom(), file_acquire_sample_rows(), and fileIterateForeignScan().

◆ CopyLimitPrintoutLength()

char* CopyLimitPrintoutLength ( const char *  str)

Definition at line 191 of file copyfrom.c.

192 {
193 #define MAX_COPY_DATA_DISPLAY 100
194 
195  int slen = strlen(str);
196  int len;
197  char *res;
198 
199  /* Fast path if definitely okay */
200  if (slen <= MAX_COPY_DATA_DISPLAY)
201  return pstrdup(str);
202 
203  /* Apply encoding-dependent truncation */
205 
206  /*
207  * Truncate, and add "..." to show we truncated the input.
208  */
209  res = (char *) palloc(len + 4);
210  memcpy(res, str, len);
211  strcpy(res + len, "...");
212 
213  return res;
214 }
#define MAX_COPY_DATA_DISPLAY
const char * str
int pg_mbcliplen(const char *mbstr, int len, int limit)
Definition: mbutils.c:1083
const void size_t len

References len, MAX_COPY_DATA_DISPLAY, palloc(), pg_mbcliplen(), pstrdup(), res, and str.

Referenced by CopyFromErrorCallback(), and NextCopyFrom().

◆ CopyMultiInsertBufferCleanup()

static void CopyMultiInsertBufferCleanup ( CopyMultiInsertInfo miinfo,
CopyMultiInsertBuffer buffer 
)
inlinestatic

Definition at line 478 of file copyfrom.c.

480 {
481  ResultRelInfo *resultRelInfo = buffer->resultRelInfo;
482  int i;
483 
484  /* Ensure buffer was flushed */
485  Assert(buffer->nused == 0);
486 
487  /* Remove back-link to ourself */
488  resultRelInfo->ri_CopyMultiInsertBuffer = NULL;
489 
490  if (resultRelInfo->ri_FdwRoutine == NULL)
491  {
492  Assert(buffer->bistate != NULL);
493  FreeBulkInsertState(buffer->bistate);
494  }
495  else
496  Assert(buffer->bistate == NULL);
497 
498  /* Since we only create slots on demand, just drop the non-null ones. */
499  for (i = 0; i < MAX_BUFFERED_TUPLES && buffer->slots[i] != NULL; i++)
501 
502  if (resultRelInfo->ri_FdwRoutine == NULL)
504  miinfo->ti_options);
505 
506  pfree(buffer);
507 }
#define MAX_BUFFERED_TUPLES
Definition: copyfrom.c:63
void ExecDropSingleTupleTableSlot(TupleTableSlot *slot)
Definition: execTuples.c:1341
int i
Definition: isn.c:73
TupleTableSlot * slots[MAX_BUFFERED_TUPLES]
Definition: copyfrom.c:77
ResultRelInfo * resultRelInfo
Definition: copyfrom.c:78
BulkInsertState bistate
Definition: copyfrom.c:79
static void table_finish_bulk_insert(Relation rel, int options)
Definition: tableam.h:1595

References Assert, CopyMultiInsertBuffer::bistate, ExecDropSingleTupleTableSlot(), FreeBulkInsertState(), i, MAX_BUFFERED_TUPLES, CopyMultiInsertBuffer::nused, pfree(), CopyMultiInsertBuffer::resultRelInfo, ResultRelInfo::ri_CopyMultiInsertBuffer, ResultRelInfo::ri_FdwRoutine, ResultRelInfo::ri_RelationDesc, CopyMultiInsertBuffer::slots, table_finish_bulk_insert(), and CopyMultiInsertInfo::ti_options.

Referenced by CopyMultiInsertInfoCleanup(), and CopyMultiInsertInfoFlush().

◆ CopyMultiInsertBufferFlush()

static void CopyMultiInsertBufferFlush ( CopyMultiInsertInfo miinfo,
CopyMultiInsertBuffer buffer,
int64 *  processed 
)
inlinestatic

Definition at line 304 of file copyfrom.c.

307 {
308  CopyFromState cstate = miinfo->cstate;
309  EState *estate = miinfo->estate;
310  int nused = buffer->nused;
311  ResultRelInfo *resultRelInfo = buffer->resultRelInfo;
312  TupleTableSlot **slots = buffer->slots;
313  int i;
314 
315  if (resultRelInfo->ri_FdwRoutine)
316  {
317  int batch_size = resultRelInfo->ri_BatchSize;
318  int sent = 0;
319 
320  Assert(buffer->bistate == NULL);
321 
322  /* Ensure that the FDW supports batching and it's enabled */
324  Assert(batch_size > 1);
325 
326  /*
327  * We suppress error context information other than the relation name,
328  * if one of the operations below fails.
329  */
330  Assert(!cstate->relname_only);
331  cstate->relname_only = true;
332 
333  while (sent < nused)
334  {
335  int size = (batch_size < nused - sent) ? batch_size : (nused - sent);
336  int inserted = size;
337  TupleTableSlot **rslots;
338 
339  /* insert into foreign table: let the FDW do it */
340  rslots =
341  resultRelInfo->ri_FdwRoutine->ExecForeignBatchInsert(estate,
342  resultRelInfo,
343  &slots[sent],
344  NULL,
345  &inserted);
346 
347  sent += size;
348 
349  /* No need to do anything if there are no inserted rows */
350  if (inserted <= 0)
351  continue;
352 
353  /* Triggers on foreign tables should not have transition tables */
354  Assert(resultRelInfo->ri_TrigDesc == NULL ||
355  resultRelInfo->ri_TrigDesc->trig_insert_new_table == false);
356 
357  /* Run AFTER ROW INSERT triggers */
358  if (resultRelInfo->ri_TrigDesc != NULL &&
359  resultRelInfo->ri_TrigDesc->trig_insert_after_row)
360  {
361  Oid relid = RelationGetRelid(resultRelInfo->ri_RelationDesc);
362 
363  for (i = 0; i < inserted; i++)
364  {
365  TupleTableSlot *slot = rslots[i];
366 
367  /*
368  * AFTER ROW Triggers might reference the tableoid column,
369  * so (re-)initialize tts_tableOid before evaluating them.
370  */
371  slot->tts_tableOid = relid;
372 
373  ExecARInsertTriggers(estate, resultRelInfo,
374  slot, NIL,
375  cstate->transition_capture);
376  }
377  }
378 
379  /* Update the row counter and progress of the COPY command */
380  *processed += inserted;
382  *processed);
383  }
384 
385  for (i = 0; i < nused; i++)
386  ExecClearTuple(slots[i]);
387 
388  /* reset relname_only */
389  cstate->relname_only = false;
390  }
391  else
392  {
393  CommandId mycid = miinfo->mycid;
394  int ti_options = miinfo->ti_options;
395  bool line_buf_valid = cstate->line_buf_valid;
396  uint64 save_cur_lineno = cstate->cur_lineno;
397  MemoryContext oldcontext;
398 
399  Assert(buffer->bistate != NULL);
400 
401  /*
402  * Print error context information correctly, if one of the operations
403  * below fails.
404  */
405  cstate->line_buf_valid = false;
406 
407  /*
408  * table_multi_insert may leak memory, so switch to short-lived memory
409  * context before calling it.
410  */
411  oldcontext = MemoryContextSwitchTo(GetPerTupleMemoryContext(estate));
412  table_multi_insert(resultRelInfo->ri_RelationDesc,
413  slots,
414  nused,
415  mycid,
416  ti_options,
417  buffer->bistate);
418  MemoryContextSwitchTo(oldcontext);
419 
420  for (i = 0; i < nused; i++)
421  {
422  /*
423  * If there are any indexes, update them for all the inserted
424  * tuples, and run AFTER ROW INSERT triggers.
425  */
426  if (resultRelInfo->ri_NumIndices > 0)
427  {
428  List *recheckIndexes;
429 
430  cstate->cur_lineno = buffer->linenos[i];
431  recheckIndexes =
432  ExecInsertIndexTuples(resultRelInfo,
433  buffer->slots[i], estate, false,
434  false, NULL, NIL, false);
435  ExecARInsertTriggers(estate, resultRelInfo,
436  slots[i], recheckIndexes,
437  cstate->transition_capture);
438  list_free(recheckIndexes);
439  }
440 
441  /*
442  * There's no indexes, but see if we need to run AFTER ROW INSERT
443  * triggers anyway.
444  */
445  else if (resultRelInfo->ri_TrigDesc != NULL &&
446  (resultRelInfo->ri_TrigDesc->trig_insert_after_row ||
447  resultRelInfo->ri_TrigDesc->trig_insert_new_table))
448  {
449  cstate->cur_lineno = buffer->linenos[i];
450  ExecARInsertTriggers(estate, resultRelInfo,
451  slots[i], NIL,
452  cstate->transition_capture);
453  }
454 
455  ExecClearTuple(slots[i]);
456  }
457 
458  /* Update the row counter and progress of the COPY command */
459  *processed += nused;
461  *processed);
462 
463  /* reset cur_lineno and line_buf_valid to what they were */
464  cstate->line_buf_valid = line_buf_valid;
465  cstate->cur_lineno = save_cur_lineno;
466  }
467 
468  /* Mark that all slots are free */
469  buffer->nused = 0;
470 }
static pg_noinline void Size size
Definition: slab.c:607
uint64 linenos[MAX_BUFFERED_TUPLES]
Definition: copyfrom.c:82
EState * estate
Definition: copyfrom.c:97
CommandId mycid
Definition: copyfrom.c:98
CopyFromState cstate
Definition: copyfrom.c:96
bool trig_insert_after_row
Definition: reltrigger.h:57
static void table_multi_insert(Relation rel, TupleTableSlot **slots, int nslots, CommandId cid, int options, struct BulkInsertStateData *bistate)
Definition: tableam.h:1457

References Assert, CopyMultiInsertBuffer::bistate, CopyMultiInsertInfo::cstate, CopyFromStateData::cur_lineno, CopyMultiInsertInfo::estate, ExecARInsertTriggers(), ExecClearTuple(), FdwRoutine::ExecForeignBatchInsert, ExecInsertIndexTuples(), GetPerTupleMemoryContext, i, CopyFromStateData::line_buf_valid, CopyMultiInsertBuffer::linenos, list_free(), MemoryContextSwitchTo(), CopyMultiInsertInfo::mycid, NIL, CopyMultiInsertBuffer::nused, pgstat_progress_update_param(), PROGRESS_COPY_TUPLES_PROCESSED, RelationGetRelid, CopyFromStateData::relname_only, CopyMultiInsertBuffer::resultRelInfo, ResultRelInfo::ri_BatchSize, ResultRelInfo::ri_FdwRoutine, ResultRelInfo::ri_NumIndices, ResultRelInfo::ri_RelationDesc, ResultRelInfo::ri_TrigDesc, size, CopyMultiInsertBuffer::slots, table_multi_insert(), CopyMultiInsertInfo::ti_options, CopyFromStateData::transition_capture, TriggerDesc::trig_insert_after_row, TriggerDesc::trig_insert_new_table, and TupleTableSlot::tts_tableOid.

Referenced by CopyMultiInsertInfoFlush().

◆ CopyMultiInsertBufferInit()

static CopyMultiInsertBuffer* CopyMultiInsertBufferInit ( ResultRelInfo rri)
static

Definition at line 221 of file copyfrom.c.

222 {
223  CopyMultiInsertBuffer *buffer;
224 
225  buffer = (CopyMultiInsertBuffer *) palloc(sizeof(CopyMultiInsertBuffer));
226  memset(buffer->slots, 0, sizeof(TupleTableSlot *) * MAX_BUFFERED_TUPLES);
227  buffer->resultRelInfo = rri;
228  buffer->bistate = (rri->ri_FdwRoutine == NULL) ? GetBulkInsertState() : NULL;
229  buffer->nused = 0;
230 
231  return buffer;
232 }

References CopyMultiInsertBuffer::bistate, GetBulkInsertState(), MAX_BUFFERED_TUPLES, CopyMultiInsertBuffer::nused, palloc(), CopyMultiInsertBuffer::resultRelInfo, ResultRelInfo::ri_FdwRoutine, and CopyMultiInsertBuffer::slots.

Referenced by CopyMultiInsertInfoSetupBuffer().

◆ CopyMultiInsertInfoCleanup()

static void CopyMultiInsertInfoCleanup ( CopyMultiInsertInfo miinfo)
inlinestatic

Definition at line 567 of file copyfrom.c.

568 {
569  ListCell *lc;
570 
571  foreach(lc, miinfo->multiInsertBuffers)
573 
574  list_free(miinfo->multiInsertBuffers);
575 }
static void CopyMultiInsertBufferCleanup(CopyMultiInsertInfo *miinfo, CopyMultiInsertBuffer *buffer)
Definition: copyfrom.c:478
#define lfirst(lc)
Definition: pg_list.h:172
List * multiInsertBuffers
Definition: copyfrom.c:93

References CopyMultiInsertBufferCleanup(), lfirst, list_free(), and CopyMultiInsertInfo::multiInsertBuffers.

Referenced by CopyFrom().

◆ CopyMultiInsertInfoFlush()

static void CopyMultiInsertInfoFlush ( CopyMultiInsertInfo miinfo,
ResultRelInfo curr_rri,
int64 *  processed 
)
inlinestatic

Definition at line 520 of file copyfrom.c.

522 {
523  ListCell *lc;
524 
525  foreach(lc, miinfo->multiInsertBuffers)
526  {
528 
529  CopyMultiInsertBufferFlush(miinfo, buffer, processed);
530  }
531 
532  miinfo->bufferedTuples = 0;
533  miinfo->bufferedBytes = 0;
534 
535  /*
536  * Trim the list of tracked buffers down if it exceeds the limit. Here we
537  * remove buffers starting with the ones we created first. It seems less
538  * likely that these older ones will be needed than the ones that were
539  * just created.
540  */
542  {
543  CopyMultiInsertBuffer *buffer;
544 
545  buffer = (CopyMultiInsertBuffer *) linitial(miinfo->multiInsertBuffers);
546 
547  /*
548  * We never want to remove the buffer that's currently being used, so
549  * if we happen to find that then move it to the end of the list.
550  */
551  if (buffer->resultRelInfo == curr_rri)
552  {
554  miinfo->multiInsertBuffers = lappend(miinfo->multiInsertBuffers, buffer);
555  buffer = (CopyMultiInsertBuffer *) linitial(miinfo->multiInsertBuffers);
556  }
557 
558  CopyMultiInsertBufferCleanup(miinfo, buffer);
560  }
561 }
#define MAX_PARTITION_BUFFERS
Definition: copyfrom.c:72
static void CopyMultiInsertBufferFlush(CopyMultiInsertInfo *miinfo, CopyMultiInsertBuffer *buffer, int64 *processed)
Definition: copyfrom.c:304
List * lappend(List *list, void *datum)
Definition: list.c:339
List * list_delete_first(List *list)
Definition: list.c:943
#define linitial(l)
Definition: pg_list.h:178

References CopyMultiInsertInfo::bufferedBytes, CopyMultiInsertInfo::bufferedTuples, CopyMultiInsertBufferCleanup(), CopyMultiInsertBufferFlush(), lappend(), lfirst, linitial, list_delete_first(), list_length(), MAX_PARTITION_BUFFERS, CopyMultiInsertInfo::multiInsertBuffers, and CopyMultiInsertBuffer::resultRelInfo.

Referenced by CopyFrom().

◆ CopyMultiInsertInfoInit()

static void CopyMultiInsertInfoInit ( CopyMultiInsertInfo miinfo,
ResultRelInfo rri,
CopyFromState  cstate,
EState estate,
CommandId  mycid,
int  ti_options 
)
static

Definition at line 258 of file copyfrom.c.

261 {
262  miinfo->multiInsertBuffers = NIL;
263  miinfo->bufferedTuples = 0;
264  miinfo->bufferedBytes = 0;
265  miinfo->cstate = cstate;
266  miinfo->estate = estate;
267  miinfo->mycid = mycid;
268  miinfo->ti_options = ti_options;
269 
270  /*
271  * Only setup the buffer when not dealing with a partitioned table.
272  * Buffers for partitioned tables will just be setup when we need to send
273  * tuples their way for the first time.
274  */
275  if (rri->ri_RelationDesc->rd_rel->relkind != RELKIND_PARTITIONED_TABLE)
276  CopyMultiInsertInfoSetupBuffer(miinfo, rri);
277 }

References CopyMultiInsertInfo::bufferedBytes, CopyMultiInsertInfo::bufferedTuples, CopyMultiInsertInfoSetupBuffer(), CopyMultiInsertInfo::cstate, CopyMultiInsertInfo::estate, CopyMultiInsertInfo::multiInsertBuffers, CopyMultiInsertInfo::mycid, NIL, RelationData::rd_rel, ResultRelInfo::ri_RelationDesc, and CopyMultiInsertInfo::ti_options.

Referenced by CopyFrom().

◆ CopyMultiInsertInfoIsEmpty()

static bool CopyMultiInsertInfoIsEmpty ( CopyMultiInsertInfo miinfo)
inlinestatic

Definition at line 295 of file copyfrom.c.

296 {
297  return miinfo->bufferedTuples == 0;
298 }

References CopyMultiInsertInfo::bufferedTuples.

Referenced by CopyFrom().

◆ CopyMultiInsertInfoIsFull()

static bool CopyMultiInsertInfoIsFull ( CopyMultiInsertInfo miinfo)
inlinestatic

Definition at line 283 of file copyfrom.c.

284 {
285  if (miinfo->bufferedTuples >= MAX_BUFFERED_TUPLES ||
287  return true;
288  return false;
289 }
#define MAX_BUFFERED_BYTES
Definition: copyfrom.c:69

References CopyMultiInsertInfo::bufferedBytes, CopyMultiInsertInfo::bufferedTuples, MAX_BUFFERED_BYTES, and MAX_BUFFERED_TUPLES.

Referenced by CopyFrom().

◆ CopyMultiInsertInfoNextFreeSlot()

static TupleTableSlot* CopyMultiInsertInfoNextFreeSlot ( CopyMultiInsertInfo miinfo,
ResultRelInfo rri 
)
inlinestatic

Definition at line 586 of file copyfrom.c.

588 {
590  int nused = buffer->nused;
591 
592  Assert(buffer != NULL);
593  Assert(nused < MAX_BUFFERED_TUPLES);
594 
595  if (buffer->slots[nused] == NULL)
596  buffer->slots[nused] = table_slot_create(rri->ri_RelationDesc, NULL);
597  return buffer->slots[nused];
598 }

References Assert, MAX_BUFFERED_TUPLES, CopyMultiInsertBuffer::nused, ResultRelInfo::ri_CopyMultiInsertBuffer, ResultRelInfo::ri_RelationDesc, CopyMultiInsertBuffer::slots, and table_slot_create().

Referenced by CopyFrom().

◆ CopyMultiInsertInfoSetupBuffer()

static void CopyMultiInsertInfoSetupBuffer ( CopyMultiInsertInfo miinfo,
ResultRelInfo rri 
)
inlinestatic

Definition at line 238 of file copyfrom.c.

240 {
241  CopyMultiInsertBuffer *buffer;
242 
243  buffer = CopyMultiInsertBufferInit(rri);
244 
245  /* Setup back-link so we can easily find this buffer again */
246  rri->ri_CopyMultiInsertBuffer = buffer;
247  /* Record that we're tracking this buffer */
248  miinfo->multiInsertBuffers = lappend(miinfo->multiInsertBuffers, buffer);
249 }
static CopyMultiInsertBuffer * CopyMultiInsertBufferInit(ResultRelInfo *rri)
Definition: copyfrom.c:221

References CopyMultiInsertBufferInit(), lappend(), CopyMultiInsertInfo::multiInsertBuffers, and ResultRelInfo::ri_CopyMultiInsertBuffer.

Referenced by CopyFrom(), and CopyMultiInsertInfoInit().

◆ CopyMultiInsertInfoStore()

static void CopyMultiInsertInfoStore ( CopyMultiInsertInfo miinfo,
ResultRelInfo rri,
TupleTableSlot slot,
int  tuplen,
uint64  lineno 
)
inlinestatic

Definition at line 605 of file copyfrom.c.

607 {
609 
610  Assert(buffer != NULL);
611  Assert(slot == buffer->slots[buffer->nused]);
612 
613  /* Store the line number so we can properly report any errors later */
614  buffer->linenos[buffer->nused] = lineno;
615 
616  /* Record this slot as being used */
617  buffer->nused++;
618 
619  /* Update how many tuples are stored and their size */
620  miinfo->bufferedTuples++;
621  miinfo->bufferedBytes += tuplen;
622 }

References Assert, CopyMultiInsertInfo::bufferedBytes, CopyMultiInsertInfo::bufferedTuples, CopyMultiInsertBuffer::linenos, CopyMultiInsertBuffer::nused, ResultRelInfo::ri_CopyMultiInsertBuffer, and CopyMultiInsertBuffer::slots.

Referenced by CopyFrom().

◆ EndCopyFrom()

void EndCopyFrom ( CopyFromState  cstate)

Definition at line 1785 of file copyfrom.c.

1786 {
1787  /* No COPY FROM related resources except memory. */
1788  if (cstate->is_program)
1789  {
1790  ClosePipeFromProgram(cstate);
1791  }
1792  else
1793  {
1794  if (cstate->filename != NULL && FreeFile(cstate->copy_file))
1795  ereport(ERROR,
1797  errmsg("could not close file \"%s\": %m",
1798  cstate->filename)));
1799  }
1800 
1802 
1804  pfree(cstate);
1805 }
void pgstat_progress_end_command(void)
static void ClosePipeFromProgram(CopyFromState cstate)
Definition: copyfrom.c:1811
int FreeFile(FILE *file)
Definition: fd.c:2781
void MemoryContextDelete(MemoryContext context)
Definition: mcxt.c:454

References ClosePipeFromProgram(), CopyFromStateData::copy_file, CopyFromStateData::copycontext, ereport, errcode_for_file_access(), errmsg(), ERROR, CopyFromStateData::filename, FreeFile(), CopyFromStateData::is_program, MemoryContextDelete(), pfree(), and pgstat_progress_end_command().

Referenced by DoCopy(), file_acquire_sample_rows(), fileEndForeignScan(), and fileReScanForeignScan().