PostgreSQL Source Code  git master
readfuncs.c File Reference
#include "postgres.h"
#include <math.h>
#include "miscadmin.h"
#include "nodes/bitmapset.h"
#include "nodes/readfuncs.h"
#include "readfuncs.funcs.c"
#include "readfuncs.switch.c"
Include dependency graph for readfuncs.c:

Go to the source code of this file.

Macros

#define READ_LOCALS_NO_FIELDS(nodeTypeName)    nodeTypeName *local_node = makeNode(nodeTypeName)
 
#define READ_TEMP_LOCALS()
 
#define READ_LOCALS(nodeTypeName)
 
#define READ_INT_FIELD(fldname)
 
#define READ_UINT_FIELD(fldname)
 
#define READ_UINT64_FIELD(fldname)
 
#define READ_LONG_FIELD(fldname)
 
#define READ_OID_FIELD(fldname)
 
#define READ_CHAR_FIELD(fldname)
 
#define READ_ENUM_FIELD(fldname, enumtype)
 
#define READ_FLOAT_FIELD(fldname)
 
#define READ_BOOL_FIELD(fldname)
 
#define READ_STRING_FIELD(fldname)
 
#define READ_LOCATION_FIELD(fldname)
 
#define READ_NODE_FIELD(fldname)
 
#define READ_BITMAPSET_FIELD(fldname)
 
#define READ_ATTRNUMBER_ARRAY(fldname, len)
 
#define READ_OID_ARRAY(fldname, len)
 
#define READ_INT_ARRAY(fldname, len)
 
#define READ_BOOL_ARRAY(fldname, len)
 
#define READ_DONE()    return local_node
 
#define atoui(x)   ((unsigned int) strtoul((x), NULL, 10))
 
#define strtobool(x)   ((*(x) == 't') ? true : false)
 
#define MATCH(tokname, namelen)    (length == namelen && memcmp(token, tokname, namelen) == 0)
 
#define READ_SCALAR_ARRAY(fnname, datatype, convfunc)
 

Functions

static char * nullable_string (const char *token, int length)
 
static Bitmapset_readBitmapset (void)
 
BitmapsetreadBitmapset (void)
 
static Const_readConst (void)
 
static BoolExpr_readBoolExpr (void)
 
static A_Const_readA_Const (void)
 
static Constraint_readConstraint (void)
 
static RangeTblEntry_readRangeTblEntry (void)
 
static A_Expr_readA_Expr (void)
 
static ExtensibleNode_readExtensibleNode (void)
 
NodeparseNodeString (void)
 
Datum readDatum (bool typbyval)
 

Macro Definition Documentation

◆ atoui

#define atoui (   x)    ((unsigned int) strtoul((x), NULL, 10))

Definition at line 177 of file readfuncs.c.

◆ MATCH

#define MATCH (   tokname,
  namelen 
)     (length == namelen && memcmp(token, tokname, namelen) == 0)

◆ READ_ATTRNUMBER_ARRAY

#define READ_ATTRNUMBER_ARRAY (   fldname,
  len 
)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
local_node->fldname = readAttrNumberCols(len)
int16 * readAttrNumberCols(int numCols)
const void size_t len
const char * pg_strtok(int *length)
Definition: read.c:153

Definition at line 147 of file readfuncs.c.

◆ READ_BITMAPSET_FIELD

#define READ_BITMAPSET_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
(void) token; /* in case not used elsewhere */ \
local_node->fldname = _readBitmapset()
static Bitmapset * _readBitmapset(void)
Definition: readfuncs.c:203

Definition at line 141 of file readfuncs.c.

◆ READ_BOOL_ARRAY

#define READ_BOOL_ARRAY (   fldname,
  len 
)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
local_node->fldname = readBoolCols(len)
bool * readBoolCols(int numCols)

Definition at line 162 of file readfuncs.c.

◆ READ_BOOL_FIELD

#define READ_BOOL_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = strtobool(token)
#define strtobool(x)
Definition: readfuncs.c:179

Definition at line 109 of file readfuncs.c.

◆ READ_CHAR_FIELD

#define READ_CHAR_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
/* avoid overhead of calling debackslash() for one char */ \
local_node->fldname = (length == 0) ? '\0' : (token[0] == '\\' ? token[1] : token[0])

Definition at line 90 of file readfuncs.c.

◆ READ_DONE

#define READ_DONE ( )     return local_node

Definition at line 167 of file readfuncs.c.

◆ READ_ENUM_FIELD

#define READ_ENUM_FIELD (   fldname,
  enumtype 
)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = (enumtype) atoi(token)

Definition at line 97 of file readfuncs.c.

◆ READ_FLOAT_FIELD

#define READ_FLOAT_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = atof(token)

Definition at line 103 of file readfuncs.c.

◆ READ_INT_ARRAY

#define READ_INT_ARRAY (   fldname,
  len 
)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
local_node->fldname = readIntCols(len)
int * readIntCols(int numCols)

Definition at line 157 of file readfuncs.c.

◆ READ_INT_FIELD

#define READ_INT_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = atoi(token)

Definition at line 60 of file readfuncs.c.

◆ READ_LOCALS

#define READ_LOCALS (   nodeTypeName)
Value:
READ_LOCALS_NO_FIELDS(nodeTypeName); \
READ_TEMP_LOCALS()
#define READ_LOCALS_NO_FIELDS(nodeTypeName)
Definition: readfuncs.c:46

Definition at line 55 of file readfuncs.c.

◆ READ_LOCALS_NO_FIELDS

#define READ_LOCALS_NO_FIELDS (   nodeTypeName)     nodeTypeName *local_node = makeNode(nodeTypeName)

Definition at line 46 of file readfuncs.c.

◆ READ_LOCATION_FIELD

#define READ_LOCATION_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
(void) token; /* in case not used elsewhere */ \
local_node->fldname = -1 /* set field to "unknown" */

Definition at line 127 of file readfuncs.c.

◆ READ_LONG_FIELD

#define READ_LONG_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = atol(token)

Definition at line 78 of file readfuncs.c.

◆ READ_NODE_FIELD

#define READ_NODE_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
(void) token; /* in case not used elsewhere */ \
local_node->fldname = nodeRead(NULL, 0)
void * nodeRead(const char *token, int tok_len)
Definition: read.c:320

Definition at line 135 of file readfuncs.c.

◆ READ_OID_ARRAY

#define READ_OID_ARRAY (   fldname,
  len 
)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
local_node->fldname = readOidCols(len)
Oid * readOidCols(int numCols)

Definition at line 152 of file readfuncs.c.

◆ READ_OID_FIELD

#define READ_OID_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = atooid(token)
#define atooid(x)
Definition: postgres_ext.h:42

Definition at line 84 of file readfuncs.c.

◆ READ_SCALAR_ARRAY

#define READ_SCALAR_ARRAY (   fnname,
  datatype,
  convfunc 
)
Value:
datatype * \
fnname(int numCols) \
{ \
datatype *vals; \
READ_TEMP_LOCALS(); \
token = pg_strtok(&length); \
if (token == NULL) \
elog(ERROR, "incomplete scalar array"); \
if (length == 0) \
return NULL; /* it was "<>", so return NULL pointer */ \
if (length != 1 || token[0] != '(') \
elog(ERROR, "unrecognized token: \"%.*s\"", length, token); \
vals = (datatype *) palloc(numCols * sizeof(datatype)); \
for (int i = 0; i < numCols; i++) \
{ \
token = pg_strtok(&length); \
if (token == NULL || token[0] == ')') \
elog(ERROR, "incomplete scalar array"); \
vals[i] = convfunc(token); \
} \
token = pg_strtok(&length); \
if (token == NULL || length != 1 || token[0] != ')') \
elog(ERROR, "incomplete scalar array"); \
return vals; \
}
#define ERROR
Definition: elog.h:39
int i
Definition: isn.c:73
void * palloc(Size size)
Definition: mcxt.c:1210

Definition at line 770 of file readfuncs.c.

◆ READ_STRING_FIELD

#define READ_STRING_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = nullable_string(token, length)
static char * nullable_string(const char *token, int length)
Definition: readfuncs.c:182

Definition at line 115 of file readfuncs.c.

◆ READ_TEMP_LOCALS

#define READ_TEMP_LOCALS ( )
Value:
const char *token; \
int length

Definition at line 50 of file readfuncs.c.

◆ READ_UINT64_FIELD

#define READ_UINT64_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = strtou64(token, NULL, 10)
#define strtou64(str, endptr, base)
Definition: c.h:1285

Definition at line 72 of file readfuncs.c.

◆ READ_UINT_FIELD

#define READ_UINT_FIELD (   fldname)
Value:
token = pg_strtok(&length); /* skip :fldname */ \
token = pg_strtok(&length); /* get field value */ \
local_node->fldname = atoui(token)
#define atoui(x)
Definition: readfuncs.c:177

Definition at line 66 of file readfuncs.c.

◆ strtobool

#define strtobool (   x)    ((*(x) == 't') ? true : false)

Definition at line 179 of file readfuncs.c.

Function Documentation

◆ _readA_Const()

static A_Const* _readA_Const ( void  )
static

Definition at line 304 of file readfuncs.c.

305 {
307 
308  token = pg_strtok(&length);
309  if (length == 4 && strncmp(token, "NULL", 4) == 0)
310  local_node->isnull = true;
311  else
312  {
313  union ValUnion *tmp = nodeRead(NULL, 0);
314 
315  memcpy(&local_node->val, tmp, sizeof(*tmp));
316  }
317 
318  READ_LOCATION_FIELD(location);
319 
320  READ_DONE();
321 }
#define READ_LOCATION_FIELD(fldname)
Definition: readfuncs.c:127
#define READ_LOCALS(nodeTypeName)
Definition: readfuncs.c:55
#define READ_DONE()
Definition: readfuncs.c:167

References nodeRead(), pg_strtok(), READ_DONE, READ_LOCALS, and READ_LOCATION_FIELD.

◆ _readA_Expr()

static A_Expr* _readA_Expr ( void  )
static

Definition at line 551 of file readfuncs.c.

552 {
554 
555  token = pg_strtok(&length);
556 
557  if (length == 3 && strncmp(token, "ANY", 3) == 0)
558  {
559  local_node->kind = AEXPR_OP_ANY;
561  }
562  else if (length == 3 && strncmp(token, "ALL", 3) == 0)
563  {
564  local_node->kind = AEXPR_OP_ALL;
566  }
567  else if (length == 8 && strncmp(token, "DISTINCT", 8) == 0)
568  {
569  local_node->kind = AEXPR_DISTINCT;
571  }
572  else if (length == 12 && strncmp(token, "NOT_DISTINCT", 12) == 0)
573  {
574  local_node->kind = AEXPR_NOT_DISTINCT;
576  }
577  else if (length == 6 && strncmp(token, "NULLIF", 6) == 0)
578  {
579  local_node->kind = AEXPR_NULLIF;
581  }
582  else if (length == 2 && strncmp(token, "IN", 2) == 0)
583  {
584  local_node->kind = AEXPR_IN;
586  }
587  else if (length == 4 && strncmp(token, "LIKE", 4) == 0)
588  {
589  local_node->kind = AEXPR_LIKE;
591  }
592  else if (length == 5 && strncmp(token, "ILIKE", 5) == 0)
593  {
594  local_node->kind = AEXPR_ILIKE;
596  }
597  else if (length == 7 && strncmp(token, "SIMILAR", 7) == 0)
598  {
599  local_node->kind = AEXPR_SIMILAR;
601  }
602  else if (length == 7 && strncmp(token, "BETWEEN", 7) == 0)
603  {
604  local_node->kind = AEXPR_BETWEEN;
606  }
607  else if (length == 11 && strncmp(token, "NOT_BETWEEN", 11) == 0)
608  {
609  local_node->kind = AEXPR_NOT_BETWEEN;
611  }
612  else if (length == 11 && strncmp(token, "BETWEEN_SYM", 11) == 0)
613  {
614  local_node->kind = AEXPR_BETWEEN_SYM;
616  }
617  else if (length == 15 && strncmp(token, "NOT_BETWEEN_SYM", 15) == 0)
618  {
619  local_node->kind = AEXPR_NOT_BETWEEN_SYM;
621  }
622  else if (length == 5 && strncmp(token, ":name", 5) == 0)
623  {
624  local_node->kind = AEXPR_OP;
625  local_node->name = nodeRead(NULL, 0);
626  }
627  else
628  elog(ERROR, "unrecognized A_Expr kind: \"%.*s\"", length, token);
629 
630  READ_NODE_FIELD(lexpr);
631  READ_NODE_FIELD(rexpr);
632  READ_LOCATION_FIELD(location);
633 
634  READ_DONE();
635 }
const char * name
Definition: encode.c:571
@ AEXPR_BETWEEN
Definition: parsenodes.h:321
@ AEXPR_NULLIF
Definition: parsenodes.h:316
@ AEXPR_NOT_DISTINCT
Definition: parsenodes.h:315
@ AEXPR_BETWEEN_SYM
Definition: parsenodes.h:323
@ AEXPR_NOT_BETWEEN_SYM
Definition: parsenodes.h:324
@ AEXPR_ILIKE
Definition: parsenodes.h:319
@ AEXPR_IN
Definition: parsenodes.h:317
@ AEXPR_NOT_BETWEEN
Definition: parsenodes.h:322
@ AEXPR_DISTINCT
Definition: parsenodes.h:314
@ AEXPR_SIMILAR
Definition: parsenodes.h:320
@ AEXPR_LIKE
Definition: parsenodes.h:318
@ AEXPR_OP
Definition: parsenodes.h:311
@ AEXPR_OP_ANY
Definition: parsenodes.h:312
@ AEXPR_OP_ALL
Definition: parsenodes.h:313
#define READ_NODE_FIELD(fldname)
Definition: readfuncs.c:135

References AEXPR_BETWEEN, AEXPR_BETWEEN_SYM, AEXPR_DISTINCT, AEXPR_ILIKE, AEXPR_IN, AEXPR_LIKE, AEXPR_NOT_BETWEEN, AEXPR_NOT_BETWEEN_SYM, AEXPR_NOT_DISTINCT, AEXPR_NULLIF, AEXPR_OP, AEXPR_OP_ALL, AEXPR_OP_ANY, AEXPR_SIMILAR, elog(), ERROR, name, nodeRead(), pg_strtok(), READ_DONE, READ_LOCALS, READ_LOCATION_FIELD, and READ_NODE_FIELD.

◆ _readBitmapset()

static Bitmapset* _readBitmapset ( void  )
static

Definition at line 203 of file readfuncs.c.

204 {
205  Bitmapset *result = NULL;
206 
208 
209  token = pg_strtok(&length);
210  if (token == NULL)
211  elog(ERROR, "incomplete Bitmapset structure");
212  if (length != 1 || token[0] != '(')
213  elog(ERROR, "unrecognized token: \"%.*s\"", length, token);
214 
215  token = pg_strtok(&length);
216  if (token == NULL)
217  elog(ERROR, "incomplete Bitmapset structure");
218  if (length != 1 || token[0] != 'b')
219  elog(ERROR, "unrecognized token: \"%.*s\"", length, token);
220 
221  for (;;)
222  {
223  int val;
224  char *endptr;
225 
226  token = pg_strtok(&length);
227  if (token == NULL)
228  elog(ERROR, "unterminated Bitmapset structure");
229  if (length == 1 && token[0] == ')')
230  break;
231  val = (int) strtol(token, &endptr, 10);
232  if (endptr != token + length)
233  elog(ERROR, "unrecognized integer: \"%.*s\"", length, token);
234  result = bms_add_member(result, val);
235  }
236 
237  return result;
238 }
Bitmapset * bms_add_member(Bitmapset *a, int x)
Definition: bitmapset.c:739
long val
Definition: informix.c:664
#define READ_TEMP_LOCALS()
Definition: readfuncs.c:50

References bms_add_member(), elog(), ERROR, pg_strtok(), READ_TEMP_LOCALS, and val.

Referenced by readBitmapset().

◆ _readBoolExpr()

static BoolExpr* _readBoolExpr ( void  )
static

Definition at line 281 of file readfuncs.c.

282 {
284 
285  /* do-it-yourself enum representation */
286  token = pg_strtok(&length); /* skip :boolop */
287  token = pg_strtok(&length); /* get field value */
288  if (length == 3 && strncmp(token, "and", 3) == 0)
289  local_node->boolop = AND_EXPR;
290  else if (length == 2 && strncmp(token, "or", 2) == 0)
291  local_node->boolop = OR_EXPR;
292  else if (length == 3 && strncmp(token, "not", 3) == 0)
293  local_node->boolop = NOT_EXPR;
294  else
295  elog(ERROR, "unrecognized boolop \"%.*s\"", length, token);
296 
298  READ_LOCATION_FIELD(location);
299 
300  READ_DONE();
301 }
@ AND_EXPR
Definition: primnodes.h:855
@ OR_EXPR
Definition: primnodes.h:855
@ NOT_EXPR
Definition: primnodes.h:855

References AND_EXPR, generate_unaccent_rules::args, elog(), ERROR, NOT_EXPR, OR_EXPR, pg_strtok(), READ_DONE, READ_LOCALS, READ_LOCATION_FIELD, and READ_NODE_FIELD.

◆ _readConst()

static Const* _readConst ( void  )
static

Definition at line 259 of file readfuncs.c.

260 {
262 
263  READ_OID_FIELD(consttype);
264  READ_INT_FIELD(consttypmod);
265  READ_OID_FIELD(constcollid);
266  READ_INT_FIELD(constlen);
267  READ_BOOL_FIELD(constbyval);
268  READ_BOOL_FIELD(constisnull);
269  READ_LOCATION_FIELD(location);
270 
271  token = pg_strtok(&length); /* skip :constvalue */
272  if (local_node->constisnull)
273  token = pg_strtok(&length); /* skip "<>" */
274  else
275  local_node->constvalue = readDatum(local_node->constbyval);
276 
277  READ_DONE();
278 }
#define READ_INT_FIELD(fldname)
Definition: readfuncs.c:60
#define READ_OID_FIELD(fldname)
Definition: readfuncs.c:84
Datum readDatum(bool typbyval)
Definition: readfuncs.c:709
#define READ_BOOL_FIELD(fldname)
Definition: readfuncs.c:109

References pg_strtok(), READ_BOOL_FIELD, READ_DONE, READ_INT_FIELD, READ_LOCALS, READ_LOCATION_FIELD, READ_OID_FIELD, and readDatum().

◆ _readConstraint()

static Constraint* _readConstraint ( void  )
static

Definition at line 327 of file readfuncs.c.

328 {
330 
331  READ_STRING_FIELD(conname);
332  READ_BOOL_FIELD(deferrable);
333  READ_BOOL_FIELD(initdeferred);
334  READ_LOCATION_FIELD(location);
335 
336  token = pg_strtok(&length); /* skip :contype */
337  token = pg_strtok(&length); /* get field value */
338  if (length == 4 && strncmp(token, "NULL", 4) == 0)
339  local_node->contype = CONSTR_NULL;
340  else if (length == 8 && strncmp(token, "NOT_NULL", 8) == 0)
341  local_node->contype = CONSTR_NOTNULL;
342  else if (length == 7 && strncmp(token, "DEFAULT", 7) == 0)
343  local_node->contype = CONSTR_DEFAULT;
344  else if (length == 8 && strncmp(token, "IDENTITY", 8) == 0)
345  local_node->contype = CONSTR_IDENTITY;
346  else if (length == 9 && strncmp(token, "GENERATED", 9) == 0)
347  local_node->contype = CONSTR_GENERATED;
348  else if (length == 5 && strncmp(token, "CHECK", 5) == 0)
349  local_node->contype = CONSTR_CHECK;
350  else if (length == 11 && strncmp(token, "PRIMARY_KEY", 11) == 0)
351  local_node->contype = CONSTR_PRIMARY;
352  else if (length == 6 && strncmp(token, "UNIQUE", 6) == 0)
353  local_node->contype = CONSTR_UNIQUE;
354  else if (length == 9 && strncmp(token, "EXCLUSION", 9) == 0)
355  local_node->contype = CONSTR_EXCLUSION;
356  else if (length == 11 && strncmp(token, "FOREIGN_KEY", 11) == 0)
357  local_node->contype = CONSTR_FOREIGN;
358  else if (length == 15 && strncmp(token, "ATTR_DEFERRABLE", 15) == 0)
359  local_node->contype = CONSTR_ATTR_DEFERRABLE;
360  else if (length == 19 && strncmp(token, "ATTR_NOT_DEFERRABLE", 19) == 0)
361  local_node->contype = CONSTR_ATTR_NOT_DEFERRABLE;
362  else if (length == 13 && strncmp(token, "ATTR_DEFERRED", 13) == 0)
363  local_node->contype = CONSTR_ATTR_DEFERRED;
364  else if (length == 14 && strncmp(token, "ATTR_IMMEDIATE", 14) == 0)
365  local_node->contype = CONSTR_ATTR_IMMEDIATE;
366 
367  switch (local_node->contype)
368  {
369  case CONSTR_NULL:
370  case CONSTR_NOTNULL:
371  /* no extra fields */
372  break;
373 
374  case CONSTR_DEFAULT:
375  READ_NODE_FIELD(raw_expr);
376  READ_STRING_FIELD(cooked_expr);
377  break;
378 
379  case CONSTR_IDENTITY:
381  READ_CHAR_FIELD(generated_when);
382  break;
383 
384  case CONSTR_GENERATED:
385  READ_NODE_FIELD(raw_expr);
386  READ_STRING_FIELD(cooked_expr);
387  READ_CHAR_FIELD(generated_when);
388  break;
389 
390  case CONSTR_CHECK:
391  READ_BOOL_FIELD(is_no_inherit);
392  READ_NODE_FIELD(raw_expr);
393  READ_STRING_FIELD(cooked_expr);
394  READ_BOOL_FIELD(skip_validation);
395  READ_BOOL_FIELD(initially_valid);
396  break;
397 
398  case CONSTR_PRIMARY:
399  READ_NODE_FIELD(keys);
400  READ_NODE_FIELD(including);
402  READ_STRING_FIELD(indexname);
403  READ_STRING_FIELD(indexspace);
404  READ_BOOL_FIELD(reset_default_tblspc);
405  /* access_method and where_clause not currently used */
406  break;
407 
408  case CONSTR_UNIQUE:
409  READ_BOOL_FIELD(nulls_not_distinct);
410  READ_NODE_FIELD(keys);
411  READ_NODE_FIELD(including);
413  READ_STRING_FIELD(indexname);
414  READ_STRING_FIELD(indexspace);
415  READ_BOOL_FIELD(reset_default_tblspc);
416  /* access_method and where_clause not currently used */
417  break;
418 
419  case CONSTR_EXCLUSION:
420  READ_NODE_FIELD(exclusions);
421  READ_NODE_FIELD(including);
423  READ_STRING_FIELD(indexname);
424  READ_STRING_FIELD(indexspace);
425  READ_BOOL_FIELD(reset_default_tblspc);
426  READ_STRING_FIELD(access_method);
427  READ_NODE_FIELD(where_clause);
428  break;
429 
430  case CONSTR_FOREIGN:
431  READ_NODE_FIELD(pktable);
432  READ_NODE_FIELD(fk_attrs);
433  READ_NODE_FIELD(pk_attrs);
434  READ_CHAR_FIELD(fk_matchtype);
435  READ_CHAR_FIELD(fk_upd_action);
436  READ_CHAR_FIELD(fk_del_action);
437  READ_NODE_FIELD(fk_del_set_cols);
438  READ_NODE_FIELD(old_conpfeqop);
439  READ_OID_FIELD(old_pktable_oid);
440  READ_BOOL_FIELD(skip_validation);
441  READ_BOOL_FIELD(initially_valid);
442  break;
443 
448  /* no extra fields */
449  break;
450 
451  default:
452  elog(ERROR, "unrecognized ConstrType: %d", (int) local_node->contype);
453  break;
454  }
455 
456  READ_DONE();
457 }
@ CONSTR_FOREIGN
Definition: parsenodes.h:2420
@ CONSTR_ATTR_DEFERRED
Definition: parsenodes.h:2423
@ CONSTR_IDENTITY
Definition: parsenodes.h:2414
@ CONSTR_UNIQUE
Definition: parsenodes.h:2418
@ CONSTR_ATTR_NOT_DEFERRABLE
Definition: parsenodes.h:2422
@ CONSTR_DEFAULT
Definition: parsenodes.h:2413
@ CONSTR_NOTNULL
Definition: parsenodes.h:2412
@ CONSTR_ATTR_IMMEDIATE
Definition: parsenodes.h:2424
@ CONSTR_CHECK
Definition: parsenodes.h:2416
@ CONSTR_NULL
Definition: parsenodes.h:2410
@ CONSTR_GENERATED
Definition: parsenodes.h:2415
@ CONSTR_EXCLUSION
Definition: parsenodes.h:2419
@ CONSTR_ATTR_DEFERRABLE
Definition: parsenodes.h:2421
@ CONSTR_PRIMARY
Definition: parsenodes.h:2417
#define READ_CHAR_FIELD(fldname)
Definition: readfuncs.c:90
#define READ_STRING_FIELD(fldname)
Definition: readfuncs.c:115

References CONSTR_ATTR_DEFERRABLE, CONSTR_ATTR_DEFERRED, CONSTR_ATTR_IMMEDIATE, CONSTR_ATTR_NOT_DEFERRABLE, CONSTR_CHECK, CONSTR_DEFAULT, CONSTR_EXCLUSION, CONSTR_FOREIGN, CONSTR_GENERATED, CONSTR_IDENTITY, CONSTR_NOTNULL, CONSTR_NULL, CONSTR_PRIMARY, CONSTR_UNIQUE, elog(), ERROR, pg_strtok(), READ_BOOL_FIELD, READ_CHAR_FIELD, READ_DONE, READ_LOCALS, READ_LOCATION_FIELD, READ_NODE_FIELD, READ_OID_FIELD, and READ_STRING_FIELD.

◆ _readExtensibleNode()

static ExtensibleNode* _readExtensibleNode ( void  )
static

Definition at line 638 of file readfuncs.c.

639 {
640  const ExtensibleNodeMethods *methods;
641  ExtensibleNode *local_node;
642  const char *extnodename;
643 
645 
646  token = pg_strtok(&length); /* skip :extnodename */
647  token = pg_strtok(&length); /* get extnodename */
648 
649  extnodename = nullable_string(token, length);
650  if (!extnodename)
651  elog(ERROR, "extnodename has to be supplied");
652  methods = GetExtensibleNodeMethods(extnodename, false);
653 
654  local_node = (ExtensibleNode *) newNode(methods->node_size,
655  T_ExtensibleNode);
656  local_node->extnodename = extnodename;
657 
658  /* deserialize the private fields */
659  methods->nodeRead(local_node);
660 
661  READ_DONE();
662 }
const ExtensibleNodeMethods * GetExtensibleNodeMethods(const char *extnodename, bool missing_ok)
Definition: extensible.c:125
#define newNode(size, tag)
Definition: nodes.h:166
void(* nodeRead)(struct ExtensibleNode *node)
Definition: extensible.h:72
const char * extnodename
Definition: extensible.h:37

References elog(), ERROR, ExtensibleNode::extnodename, GetExtensibleNodeMethods(), newNode, ExtensibleNodeMethods::node_size, ExtensibleNodeMethods::nodeRead, nullable_string(), pg_strtok(), READ_DONE, and READ_TEMP_LOCALS.

◆ _readRangeTblEntry()

static RangeTblEntry* _readRangeTblEntry ( void  )
static

Definition at line 460 of file readfuncs.c.

461 {
463 
464  /* put alias + eref first to make dump more legible */
465  READ_NODE_FIELD(alias);
466  READ_NODE_FIELD(eref);
467  READ_ENUM_FIELD(rtekind, RTEKind);
468 
469  switch (local_node->rtekind)
470  {
471  case RTE_RELATION:
472  READ_OID_FIELD(relid);
473  READ_CHAR_FIELD(relkind);
474  READ_INT_FIELD(rellockmode);
475  READ_NODE_FIELD(tablesample);
476  READ_UINT_FIELD(perminfoindex);
477  break;
478  case RTE_SUBQUERY:
479  READ_NODE_FIELD(subquery);
480  READ_BOOL_FIELD(security_barrier);
481  /* we re-use these RELATION fields, too: */
482  READ_OID_FIELD(relid);
483  READ_INT_FIELD(rellockmode);
484  READ_UINT_FIELD(perminfoindex);
485  break;
486  case RTE_JOIN:
487  READ_ENUM_FIELD(jointype, JoinType);
488  READ_INT_FIELD(joinmergedcols);
489  READ_NODE_FIELD(joinaliasvars);
490  READ_NODE_FIELD(joinleftcols);
491  READ_NODE_FIELD(joinrightcols);
492  READ_NODE_FIELD(join_using_alias);
493  break;
494  case RTE_FUNCTION:
496  READ_BOOL_FIELD(funcordinality);
497  break;
498  case RTE_TABLEFUNC:
499  READ_NODE_FIELD(tablefunc);
500  /* The RTE must have a copy of the column type info, if any */
501  if (local_node->tablefunc)
502  {
503  TableFunc *tf = local_node->tablefunc;
504 
505  local_node->coltypes = tf->coltypes;
506  local_node->coltypmods = tf->coltypmods;
507  local_node->colcollations = tf->colcollations;
508  }
509  break;
510  case RTE_VALUES:
511  READ_NODE_FIELD(values_lists);
512  READ_NODE_FIELD(coltypes);
513  READ_NODE_FIELD(coltypmods);
514  READ_NODE_FIELD(colcollations);
515  break;
516  case RTE_CTE:
517  READ_STRING_FIELD(ctename);
518  READ_UINT_FIELD(ctelevelsup);
519  READ_BOOL_FIELD(self_reference);
520  READ_NODE_FIELD(coltypes);
521  READ_NODE_FIELD(coltypmods);
522  READ_NODE_FIELD(colcollations);
523  break;
524  case RTE_NAMEDTUPLESTORE:
525  READ_STRING_FIELD(enrname);
526  READ_FLOAT_FIELD(enrtuples);
527  READ_NODE_FIELD(coltypes);
528  READ_NODE_FIELD(coltypmods);
529  READ_NODE_FIELD(colcollations);
530  /* we re-use these RELATION fields, too: */
531  READ_OID_FIELD(relid);
532  break;
533  case RTE_RESULT:
534  /* no extra fields */
535  break;
536  default:
537  elog(ERROR, "unrecognized RTE kind: %d",
538  (int) local_node->rtekind);
539  break;
540  }
541 
542  READ_BOOL_FIELD(lateral);
543  READ_BOOL_FIELD(inh);
544  READ_BOOL_FIELD(inFromCl);
545  READ_NODE_FIELD(securityQuals);
546 
547  READ_DONE();
548 }
JoinType
Definition: nodes.h:299
RTEKind
Definition: parsenodes.h:1012
@ RTE_JOIN
Definition: parsenodes.h:1015
@ RTE_CTE
Definition: parsenodes.h:1019
@ RTE_NAMEDTUPLESTORE
Definition: parsenodes.h:1020
@ RTE_VALUES
Definition: parsenodes.h:1018
@ RTE_SUBQUERY
Definition: parsenodes.h:1014
@ RTE_RESULT
Definition: parsenodes.h:1021
@ RTE_FUNCTION
Definition: parsenodes.h:1016
@ RTE_TABLEFUNC
Definition: parsenodes.h:1017
@ RTE_RELATION
Definition: parsenodes.h:1013
#define READ_UINT_FIELD(fldname)
Definition: readfuncs.c:66
#define READ_FLOAT_FIELD(fldname)
Definition: readfuncs.c:103
#define READ_ENUM_FIELD(fldname, enumtype)
Definition: readfuncs.c:97
static const struct fns functions
Definition: regcomp.c:357

References elog(), ERROR, functions, READ_BOOL_FIELD, READ_CHAR_FIELD, READ_DONE, READ_ENUM_FIELD, READ_FLOAT_FIELD, READ_INT_FIELD, READ_LOCALS, READ_NODE_FIELD, READ_OID_FIELD, READ_STRING_FIELD, READ_UINT_FIELD, RTE_CTE, RTE_FUNCTION, RTE_JOIN, RTE_NAMEDTUPLESTORE, RTE_RELATION, RTE_RESULT, RTE_SUBQUERY, RTE_TABLEFUNC, and RTE_VALUES.

◆ nullable_string()

static char* nullable_string ( const char *  token,
int  length 
)
static

Definition at line 182 of file readfuncs.c.

183 {
184  /* outToken emits <> for NULL, and pg_strtok makes that an empty string */
185  if (length == 0)
186  return NULL;
187  /* outToken emits "" for empty string */
188  if (length == 2 && token[0] == '"' && token[1] == '"')
189  return pstrdup("");
190  /* otherwise, we must remove protective backslashes added by outToken */
191  return debackslash(token, length);
192 }
char * pstrdup(const char *in)
Definition: mcxt.c:1624
char * debackslash(const char *token, int length)
Definition: read.c:214

References debackslash(), and pstrdup().

Referenced by _readExtensibleNode().

◆ parseNodeString()

Node* parseNodeString ( void  )

Definition at line 674 of file readfuncs.c.

675 {
676  void *return_value;
677 
679 
680  /* Guard against stack overflow due to overly complex expressions */
682 
683  token = pg_strtok(&length);
684 
685 #define MATCH(tokname, namelen) \
686  (length == namelen && memcmp(token, tokname, namelen) == 0)
687 
688  if (false)
689  ;
690 #include "readfuncs.switch.c"
691  else
692  {
693  elog(ERROR, "badly formatted node string \"%.32s\"...", token);
694  return_value = NULL; /* keep compiler quiet */
695  }
696 
697  return (Node *) return_value;
698 }
void check_stack_depth(void)
Definition: postgres.c:3454
Definition: nodes.h:129

References check_stack_depth(), elog(), ERROR, pg_strtok(), and READ_TEMP_LOCALS.

Referenced by nodeRead().

◆ readBitmapset()

Bitmapset* readBitmapset ( void  )

Definition at line 245 of file readfuncs.c.

246 {
247  return _readBitmapset();
248 }

References _readBitmapset().

◆ readDatum()

Datum readDatum ( bool  typbyval)

Definition at line 709 of file readfuncs.c.

710 {
711  Size length,
712  i;
713  int tokenLength;
714  const char *token;
715  Datum res;
716  char *s;
717 
718  /*
719  * read the actual length of the value
720  */
721  token = pg_strtok(&tokenLength);
722  length = atoui(token);
723 
724  token = pg_strtok(&tokenLength); /* read the '[' */
725  if (token == NULL || token[0] != '[')
726  elog(ERROR, "expected \"[\" to start datum, but got \"%s\"; length = %zu",
727  token ? token : "[NULL]", length);
728 
729  if (typbyval)
730  {
731  if (length > (Size) sizeof(Datum))
732  elog(ERROR, "byval datum but length = %zu", length);
733  res = (Datum) 0;
734  s = (char *) (&res);
735  for (i = 0; i < (Size) sizeof(Datum); i++)
736  {
737  token = pg_strtok(&tokenLength);
738  s[i] = (char) atoi(token);
739  }
740  }
741  else if (length <= 0)
742  res = (Datum) NULL;
743  else
744  {
745  s = (char *) palloc(length);
746  for (i = 0; i < length; i++)
747  {
748  token = pg_strtok(&tokenLength);
749  s[i] = (char) atoi(token);
750  }
751  res = PointerGetDatum(s);
752  }
753 
754  token = pg_strtok(&tokenLength); /* read the ']' */
755  if (token == NULL || token[0] != ']')
756  elog(ERROR, "expected \"]\" to end datum, but got \"%s\"; length = %zu",
757  token ? token : "[NULL]", length);
758 
759  return res;
760 }
size_t Size
Definition: c.h:589
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:322
uintptr_t Datum
Definition: postgres.h:64

References atoui, elog(), ERROR, i, palloc(), pg_strtok(), PointerGetDatum(), and res.

Referenced by _readConst().