bootstrap.h File Reference

#include "nodes/execnodes.h"
#include "nodes/parsenodes.h"

Include dependency graph for bootstrap.h:

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Go to the source code of this file.

Macros
#define	MAXATTR   40
#define	BOOTCOL_NULL_AUTO   1
#define	BOOTCOL_NULL_FORCE_NULL   2
#define	BOOTCOL_NULL_FORCE_NOT_NULL   3

Functions
void	BootstrapModeMain (int argc, char *argv[], bool check_only) pg_attribute_noreturn()
void	closerel (char *relname)
void	boot_openrel (char *relname)
void	DefineAttr (char *name, char *type, int attnum, int nullness)
void	InsertOneTuple (void)
void	InsertOneValue (char *value, int i)
void	InsertOneNull (int i)
void	index_register (Oid heap, Oid ind, const IndexInfo *indexInfo)
void	build_indices (void)
void	boot_get_type_io_data (Oid typid, int16 *typlen, bool *typbyval, char *typalign, char *typdelim, Oid *typioparam, Oid *typinput, Oid *typoutput)
int	boot_yyparse (void)
int	boot_yylex (void)
void	boot_yyerror (const char *message) pg_attribute_noreturn()

Variables
PGDLLIMPORT Relation	boot_reldesc
PGDLLIMPORT Form_pg_attribute	attrtypes [MAXATTR]
PGDLLIMPORT int	numattr

Macro Definition Documentation

BOOTCOL_NULL_AUTO

#define BOOTCOL_NULL_AUTO   1

Definition at line 27 of file bootstrap.h.

BOOTCOL_NULL_FORCE_NOT_NULL

#define BOOTCOL_NULL_FORCE_NOT_NULL   3

Definition at line 29 of file bootstrap.h.

BOOTCOL_NULL_FORCE_NULL

#define BOOTCOL_NULL_FORCE_NULL   2

Definition at line 28 of file bootstrap.h.

MAXATTR

#define MAXATTR   40

Definition at line 25 of file bootstrap.h.

Function Documentation

boot_get_type_io_data()

void boot_get_type_io_data	(	Oid	typid,
		int16 *	typlen,
		bool *	typbyval,
		char *	typalign,
		char *	typdelim,
		Oid *	typioparam,
		Oid *	typinput,
		Oid *	typoutput
	)

Definition at line 805 of file bootstrap.c.

{
    if (Typ != NIL)
    {
        /* We have the boot-time contents of pg_type, so use it */
        struct typmap *ap = NULL;
        ListCell   *lc;
 
        foreach(lc, Typ)
        {
            ap = lfirst(lc);
            if (ap->am_oid == typid)
                break;
        }
 
        if (!ap || ap->am_oid != typid)
            elog(ERROR, "type OID %u not found in Typ list", typid);
 
        *typlen = ap->am_typ.typlen;
        *typbyval = ap->am_typ.typbyval;
        *typalign = ap->am_typ.typalign;
        *typdelim = ap->am_typ.typdelim;
 
        /* XXX this logic must match getTypeIOParam() */
        if (OidIsValid(ap->am_typ.typelem))
            *typioparam = ap->am_typ.typelem;
        else
            *typioparam = typid;
 
        *typinput = ap->am_typ.typinput;
        *typoutput = ap->am_typ.typoutput;
    }
    else
    {
        /* We don't have pg_type yet, so use the hard-wired TypInfo array */
        int         typeindex;
 
        for (typeindex = 0; typeindex < n_types; typeindex++)
        {
            if (TypInfo[typeindex].oid == typid)
                break;
        }
        if (typeindex >= n_types)
            elog(ERROR, "type OID %u not found in TypInfo", typid);
 
        *typlen = TypInfo[typeindex].len;
        *typbyval = TypInfo[typeindex].byval;
        *typalign = TypInfo[typeindex].align;
        /* We assume typdelim is ',' for all boot-time types */
        *typdelim = ',';
 
        /* XXX this logic must match getTypeIOParam() */
        if (OidIsValid(TypInfo[typeindex].elem))
            *typioparam = TypInfo[typeindex].elem;
        else
            *typioparam = typid;
 
        *typinput = TypInfo[typeindex].inproc;
        *typoutput = TypInfo[typeindex].outproc;
    }
}

References typinfo::align, typmap::am_oid, typmap::am_typ, typinfo::byval, typinfo::elem, elog, ERROR, typinfo::inproc, typinfo::len, lfirst, n_types, NIL, OidIsValid, typinfo::outproc, Typ, typalign, and TypInfo.

Referenced by get_type_io_data(), and InsertOneValue().

boot_openrel()

void boot_openrel

(

char *

relname

)

Definition at line 407 of file bootstrap.c.

{
    int         i;
 
    if (strlen(relname) >= NAMEDATALEN)
        relname[NAMEDATALEN - 1] = '\0';
 
    /*
     * pg_type must be filled before any OPEN command is executed, hence we
     * can now populate Typ if we haven't yet.
     */
    if (Typ == NIL)
        populate_typ_list();
 
    if (boot_reldesc != NULL)
        closerel(NULL);
 
    elog(DEBUG4, "open relation %s, attrsize %d",
         relname, (int) ATTRIBUTE_FIXED_PART_SIZE);
 
    boot_reldesc = table_openrv(makeRangeVar(NULL, relname, -1), NoLock);
    numattr = RelationGetNumberOfAttributes(boot_reldesc);
    for (i = 0; i < numattr; i++)
    {
        if (attrtypes[i] == NULL)
            attrtypes[i] = AllocateAttribute();
        memmove((char *) attrtypes[i],
                (char *) TupleDescAttr(boot_reldesc->rd_att, i),
                ATTRIBUTE_FIXED_PART_SIZE);
 
        {
            Form_pg_attribute at = attrtypes[i];
 
            elog(DEBUG4, "create attribute %d name %s len %d num %d type %u",
                 i, NameStr(at->attname), at->attlen, at->attnum,
                 at->atttypid);
        }
    }
}

References AllocateAttribute(), ATTRIBUTE_FIXED_PART_SIZE, attrtypes, boot_reldesc, closerel(), DEBUG4, elog, i, makeRangeVar(), NAMEDATALEN, NameStr, NIL, NoLock, numattr, populate_typ_list(), RelationData::rd_att, RelationGetNumberOfAttributes, relname, table_openrv(), TupleDescAttr, and Typ.

boot_yyerror()

void boot_yyerror

(

const char *

message

)

boot_yylex()

int boot_yylex

(

void

)

boot_yyparse()

int boot_yyparse

(

void

)

Referenced by BootstrapModeMain().

BootstrapModeMain()

void BootstrapModeMain	(	int	argc,
		char *	argv[],
		bool	check_only
	)

Definition at line 197 of file bootstrap.c.

{
    int         i;
    char       *progname = argv[0];
    int         flag;
    char       *userDoption = NULL;
    uint32      bootstrap_data_checksum_version = 0;    /* No checksum */
 
    Assert(!IsUnderPostmaster);
 
    InitStandaloneProcess(argv[0]);
 
    /* Set defaults, to be overridden by explicit options below */
    InitializeGUCOptions();
 
    /* an initial --boot or --check should be present */
    Assert(argc > 1
           && (strcmp(argv[1], "--boot") == 0
               || strcmp(argv[1], "--check") == 0));
    argv++;
    argc--;
 
    while ((flag = getopt(argc, argv, "B:c:d:D:Fkr:X:-:")) != -1)
    {
        switch (flag)
        {
            case 'B':
                SetConfigOption("shared_buffers", optarg, PGC_POSTMASTER, PGC_S_ARGV);
                break;
            case 'c':
            case '-':
                {
                    char       *name,
                               *value;
 
                    ParseLongOption(optarg, &name, &value);
                    if (!value)
                    {
                        if (flag == '-')
                            ereport(ERROR,
                                    (errcode(ERRCODE_SYNTAX_ERROR),
                                     errmsg("--%s requires a value",
                                            optarg)));
                        else
                            ereport(ERROR,
                                    (errcode(ERRCODE_SYNTAX_ERROR),
                                     errmsg("-c %s requires a value",
                                            optarg)));
                    }
 
                    SetConfigOption(name, value, PGC_POSTMASTER, PGC_S_ARGV);
                    pfree(name);
                    pfree(value);
                    break;
                }
            case 'D':
                userDoption = pstrdup(optarg);
                break;
            case 'd':
                {
                    /* Turn on debugging for the bootstrap process. */
                    char       *debugstr;
 
                    debugstr = psprintf("debug%s", optarg);
                    SetConfigOption("log_min_messages", debugstr,
                                    PGC_POSTMASTER, PGC_S_ARGV);
                    SetConfigOption("client_min_messages", debugstr,
                                    PGC_POSTMASTER, PGC_S_ARGV);
                    pfree(debugstr);
                }
                break;
            case 'F':
                SetConfigOption("fsync", "false", PGC_POSTMASTER, PGC_S_ARGV);
                break;
            case 'k':
                bootstrap_data_checksum_version = PG_DATA_CHECKSUM_VERSION;
                break;
            case 'r':
                strlcpy(OutputFileName, optarg, MAXPGPATH);
                break;
            case 'X':
                SetConfigOption("wal_segment_size", optarg, PGC_INTERNAL, PGC_S_DYNAMIC_DEFAULT);
                break;
            default:
                write_stderr("Try \"%s --help\" for more information.\n",
                             progname);
                proc_exit(1);
                break;
        }
    }
 
    if (argc != optind)
    {
        write_stderr("%s: invalid command-line arguments\n", progname);
        proc_exit(1);
    }
 
    /* Acquire configuration parameters */
    if (!SelectConfigFiles(userDoption, progname))
        proc_exit(1);
 
    /*
     * Validate we have been given a reasonable-looking DataDir and change
     * into it
     */
    checkDataDir();
    ChangeToDataDir();
 
    CreateDataDirLockFile(false);
 
    SetProcessingMode(BootstrapProcessing);
    IgnoreSystemIndexes = true;
 
    InitializeMaxBackends();
 
    CreateSharedMemoryAndSemaphores();
 
    /*
     * XXX: It might make sense to move this into its own function at some
     * point. Right now it seems like it'd cause more code duplication than
     * it's worth.
     */
    if (check_only)
    {
        SetProcessingMode(NormalProcessing);
        CheckerModeMain();
        abort();
    }
 
    /*
     * Do backend-like initialization for bootstrap mode
     */
    InitProcess();
 
    BaseInit();
 
    bootstrap_signals();
    BootStrapXLOG(bootstrap_data_checksum_version);
 
    /*
     * To ensure that src/common/link-canary.c is linked into the backend, we
     * must call it from somewhere.  Here is as good as anywhere.
     */
    if (pg_link_canary_is_frontend())
        elog(ERROR, "backend is incorrectly linked to frontend functions");
 
    InitPostgres(NULL, InvalidOid, NULL, InvalidOid, 0, NULL);
 
    /* Initialize stuff for bootstrap-file processing */
    for (i = 0; i < MAXATTR; i++)
    {
        attrtypes[i] = NULL;
        Nulls[i] = false;
    }
 
    /*
     * Process bootstrap input.
     */
    StartTransactionCommand();
    boot_yyparse();
    CommitTransactionCommand();
 
    /*
     * We should now know about all mapped relations, so it's okay to write
     * out the initial relation mapping files.
     */
    RelationMapFinishBootstrap();
 
    /* Clean up and exit */
    cleanup();
    proc_exit(0);
}

References Assert, attrtypes, BaseInit(), boot_yyparse(), bootstrap_signals(), BootstrapProcessing, BootStrapXLOG(), ChangeToDataDir(), checkDataDir(), CheckerModeMain(), cleanup(), CommitTransactionCommand(), CreateDataDirLockFile(), CreateSharedMemoryAndSemaphores(), elog, ereport, errcode(), errmsg(), ERROR, flag(), getopt(), i, IgnoreSystemIndexes, InitializeGUCOptions(), InitializeMaxBackends(), InitPostgres(), InitProcess(), InitStandaloneProcess(), InvalidOid, IsUnderPostmaster, MAXATTR, MAXPGPATH, name, NormalProcessing, Nulls, optarg, optind, OutputFileName, ParseLongOption(), pfree(), PG_DATA_CHECKSUM_VERSION, pg_link_canary_is_frontend(), PGC_INTERNAL, PGC_POSTMASTER, PGC_S_ARGV, PGC_S_DYNAMIC_DEFAULT, proc_exit(), progname, psprintf(), pstrdup(), RelationMapFinishBootstrap(), SelectConfigFiles(), SetConfigOption(), SetProcessingMode, StartTransactionCommand(), strlcpy(), userDoption, value, and write_stderr.

Referenced by main().

build_indices()

void build_indices

(

void

)

Definition at line 950 of file bootstrap.c.

{
    for (; ILHead != NULL; ILHead = ILHead->il_next)
    {
        Relation    heap;
        Relation    ind;
 
        /* need not bother with locks during bootstrap */
        heap = table_open(ILHead->il_heap, NoLock);
        ind = index_open(ILHead->il_ind, NoLock);
 
        index_build(heap, ind, ILHead->il_info, false, false);
 
        index_close(ind, NoLock);
        table_close(heap, NoLock);
    }
}

References _IndexList::il_heap, _IndexList::il_ind, _IndexList::il_info, _IndexList::il_next, ILHead, index_build(), index_close(), index_open(), NoLock, table_close(), and table_open().

closerel()

void closerel

(

char *

relname

)

Definition at line 452 of file bootstrap.c.

{
    if (relname)
    {
        if (boot_reldesc)
        {
            if (strcmp(RelationGetRelationName(boot_reldesc), relname) != 0)
                elog(ERROR, "close of %s when %s was expected",
                     relname, RelationGetRelationName(boot_reldesc));
        }
        else
            elog(ERROR, "close of %s before any relation was opened",
                 relname);
    }
 
    if (boot_reldesc == NULL)
        elog(ERROR, "no open relation to close");
    else
    {
        elog(DEBUG4, "close relation %s",
             RelationGetRelationName(boot_reldesc));
        table_close(boot_reldesc, NoLock);
        boot_reldesc = NULL;
    }
}

References boot_reldesc, DEBUG4, elog, ERROR, NoLock, RelationGetRelationName, relname, and table_close().

Referenced by boot_openrel(), cleanup(), and DefineAttr().

DefineAttr()

void DefineAttr	(	char *	name,
		char *	type,
		int	attnum,
		int	nullness
	)

Definition at line 489 of file bootstrap.c.

{
    Oid         typeoid;
 
    if (boot_reldesc != NULL)
    {
        elog(WARNING, "no open relations allowed with CREATE command");
        closerel(NULL);
    }
 
    if (attrtypes[attnum] == NULL)
        attrtypes[attnum] = AllocateAttribute();
    MemSet(attrtypes[attnum], 0, ATTRIBUTE_FIXED_PART_SIZE);
 
    namestrcpy(&attrtypes[attnum]->attname, name);
    elog(DEBUG4, "column %s %s", NameStr(attrtypes[attnum]->attname), type);
    attrtypes[attnum]->attnum = attnum + 1;
 
    typeoid = gettype(type);
 
    if (Typ != NIL)
    {
        attrtypes[attnum]->atttypid = Ap->am_oid;
        attrtypes[attnum]->attlen = Ap->am_typ.typlen;
        attrtypes[attnum]->attbyval = Ap->am_typ.typbyval;
        attrtypes[attnum]->attalign = Ap->am_typ.typalign;
        attrtypes[attnum]->attstorage = Ap->am_typ.typstorage;
        attrtypes[attnum]->attcompression = InvalidCompressionMethod;
        attrtypes[attnum]->attcollation = Ap->am_typ.typcollation;
        /* if an array type, assume 1-dimensional attribute */
        if (Ap->am_typ.typelem != InvalidOid && Ap->am_typ.typlen < 0)
            attrtypes[attnum]->attndims = 1;
        else
            attrtypes[attnum]->attndims = 0;
    }
    else
    {
        attrtypes[attnum]->atttypid = TypInfo[typeoid].oid;
        attrtypes[attnum]->attlen = TypInfo[typeoid].len;
        attrtypes[attnum]->attbyval = TypInfo[typeoid].byval;
        attrtypes[attnum]->attalign = TypInfo[typeoid].align;
        attrtypes[attnum]->attstorage = TypInfo[typeoid].storage;
        attrtypes[attnum]->attcompression = InvalidCompressionMethod;
        attrtypes[attnum]->attcollation = TypInfo[typeoid].collation;
        /* if an array type, assume 1-dimensional attribute */
        if (TypInfo[typeoid].elem != InvalidOid &&
            attrtypes[attnum]->attlen < 0)
            attrtypes[attnum]->attndims = 1;
        else
            attrtypes[attnum]->attndims = 0;
    }
 
    /*
     * If a system catalog column is collation-aware, force it to use C
     * collation, so that its behavior is independent of the database's
     * collation.  This is essential to allow template0 to be cloned with a
     * different database collation.
     */
    if (OidIsValid(attrtypes[attnum]->attcollation))
        attrtypes[attnum]->attcollation = C_COLLATION_OID;
 
    attrtypes[attnum]->attcacheoff = -1;
    attrtypes[attnum]->atttypmod = -1;
    attrtypes[attnum]->attislocal = true;
 
    if (nullness == BOOTCOL_NULL_FORCE_NOT_NULL)
    {
        attrtypes[attnum]->attnotnull = true;
    }
    else if (nullness == BOOTCOL_NULL_FORCE_NULL)
    {
        attrtypes[attnum]->attnotnull = false;
    }
    else
    {
        Assert(nullness == BOOTCOL_NULL_AUTO);
 
        /*
         * Mark as "not null" if type is fixed-width and prior columns are
         * likewise fixed-width and not-null.  This corresponds to case where
         * column can be accessed directly via C struct declaration.
         */
        if (attrtypes[attnum]->attlen > 0)
        {
            int         i;
 
            /* check earlier attributes */
            for (i = 0; i < attnum; i++)
            {
                if (attrtypes[i]->attlen <= 0 ||
                    !attrtypes[i]->attnotnull)
                    break;
            }
            if (i == attnum)
                attrtypes[attnum]->attnotnull = true;
        }
    }
}

References typinfo::align, AllocateAttribute(), typmap::am_oid, typmap::am_typ, Ap, Assert, attlen, attname, attnotnull, attnum, ATTRIBUTE_FIXED_PART_SIZE, attrtypes, boot_reldesc, BOOTCOL_NULL_AUTO, BOOTCOL_NULL_FORCE_NOT_NULL, BOOTCOL_NULL_FORCE_NULL, typinfo::byval, closerel(), typinfo::collation, DEBUG4, elog, gettype(), i, InvalidCompressionMethod, InvalidOid, typinfo::len, MemSet, name, NameStr, namestrcpy(), NIL, typinfo::oid, OidIsValid, typinfo::storage, Typ, type, TypInfo, and WARNING.

index_register()

void index_register	(	Oid	heap,
		Oid	ind,
		const IndexInfo *	indexInfo
	)

Definition at line 900 of file bootstrap.c.

{
    IndexList  *newind;
    MemoryContext oldcxt;
 
    /*
     * XXX mao 10/31/92 -- don't gc index reldescs, associated info at
     * bootstrap time.  we'll declare the indexes now, but want to create them
     * later.
     */
 
    if (nogc == NULL)
        nogc = AllocSetContextCreate(NULL,
                                     "BootstrapNoGC",
                                     ALLOCSET_DEFAULT_SIZES);
 
    oldcxt = MemoryContextSwitchTo(nogc);
 
    newind = (IndexList *) palloc(sizeof(IndexList));
    newind->il_heap = heap;
    newind->il_ind = ind;
    newind->il_info = (IndexInfo *) palloc(sizeof(IndexInfo));
 
    memcpy(newind->il_info, indexInfo, sizeof(IndexInfo));
    /* expressions will likely be null, but may as well copy it */
    newind->il_info->ii_Expressions =
        copyObject(indexInfo->ii_Expressions);
    newind->il_info->ii_ExpressionsState = NIL;
    /* predicate will likely be null, but may as well copy it */
    newind->il_info->ii_Predicate =
        copyObject(indexInfo->ii_Predicate);
    newind->il_info->ii_PredicateState = NULL;
    /* no exclusion constraints at bootstrap time, so no need to copy */
    Assert(indexInfo->ii_ExclusionOps == NULL);
    Assert(indexInfo->ii_ExclusionProcs == NULL);
    Assert(indexInfo->ii_ExclusionStrats == NULL);
 
    newind->il_next = ILHead;
    ILHead = newind;
 
    MemoryContextSwitchTo(oldcxt);
}

References ALLOCSET_DEFAULT_SIZES, AllocSetContextCreate, Assert, copyObject, IndexInfo::ii_ExclusionOps, IndexInfo::ii_ExclusionProcs, IndexInfo::ii_ExclusionStrats, IndexInfo::ii_Expressions, IndexInfo::ii_ExpressionsState, IndexInfo::ii_Predicate, IndexInfo::ii_PredicateState, _IndexList::il_heap, _IndexList::il_ind, _IndexList::il_info, _IndexList::il_next, ILHead, MemoryContextSwitchTo(), NIL, nogc, and palloc().

Referenced by index_create().

InsertOneNull()

void InsertOneNull

(

int

i

)

Definition at line 663 of file bootstrap.c.

{
    elog(DEBUG4, "inserting column %d NULL", i);
    Assert(i >= 0 && i < MAXATTR);
    if (TupleDescAttr(boot_reldesc->rd_att, i)->attnotnull)
        elog(ERROR,
             "NULL value specified for not-null column \"%s\" of relation \"%s\"",
             NameStr(TupleDescAttr(boot_reldesc->rd_att, i)->attname),
             RelationGetRelationName(boot_reldesc));
    values[i] = PointerGetDatum(NULL);
    Nulls[i] = true;
}

References Assert, boot_reldesc, DEBUG4, elog, ERROR, i, MAXATTR, NameStr, Nulls, PointerGetDatum(), RelationData::rd_att, RelationGetRelationName, TupleDescAttr, and values.

InsertOneTuple()

void InsertOneTuple

(

void

)

Definition at line 597 of file bootstrap.c.

{
    HeapTuple   tuple;
    TupleDesc   tupDesc;
    int         i;
 
    elog(DEBUG4, "inserting row with %d columns", numattr);
 
    tupDesc = CreateTupleDesc(numattr, attrtypes);
    tuple = heap_form_tuple(tupDesc, values, Nulls);
    pfree(tupDesc);             /* just free's tupDesc, not the attrtypes */
 
    simple_heap_insert(boot_reldesc, tuple);
    heap_freetuple(tuple);
    elog(DEBUG4, "row inserted");
 
    /*
     * Reset null markers for next tuple
     */
    for (i = 0; i < numattr; i++)
        Nulls[i] = false;
}

References attrtypes, boot_reldesc, CreateTupleDesc(), DEBUG4, elog, heap_form_tuple(), heap_freetuple(), i, Nulls, numattr, pfree(), simple_heap_insert(), and values.

InsertOneValue()

void InsertOneValue	(	char *	value,
		int	i
	)

Definition at line 625 of file bootstrap.c.

{
    Oid         typoid;
    int16       typlen;
    bool        typbyval;
    char        typalign;
    char        typdelim;
    Oid         typioparam;
    Oid         typinput;
    Oid         typoutput;
 
    Assert(i >= 0 && i < MAXATTR);
 
    elog(DEBUG4, "inserting column %d value \"%s\"", i, value);
 
    typoid = TupleDescAttr(boot_reldesc->rd_att, i)->atttypid;
 
    boot_get_type_io_data(typoid,
                          &typlen, &typbyval, &typalign,
                          &typdelim, &typioparam,
                          &typinput, &typoutput);
 
    values[i] = OidInputFunctionCall(typinput, value, typioparam, -1);
 
    /*
     * We use ereport not elog here so that parameters aren't evaluated unless
     * the message is going to be printed, which generally it isn't
     */
    ereport(DEBUG4,
            (errmsg_internal("inserted -> %s",
                             OidOutputFunctionCall(typoutput, values[i]))));
}

References Assert, boot_get_type_io_data(), boot_reldesc, DEBUG4, elog, ereport, errmsg_internal(), i, MAXATTR, OidInputFunctionCall(), OidOutputFunctionCall(), RelationData::rd_att, TupleDescAttr, typalign, value, and values.

Variable Documentation

attrtypes

PGDLLIMPORT Form_pg_attribute attrtypes[MAXATTR]

extern

Definition at line 59 of file bootstrap.c.

Referenced by boot_openrel(), BootstrapModeMain(), DefineAttr(), and InsertOneTuple().

boot_reldesc

PGDLLIMPORT Relation boot_reldesc

extern

Definition at line 57 of file bootstrap.c.

Referenced by boot_openrel(), cleanup(), closerel(), DefineAttr(), InsertOneNull(), InsertOneTuple(), and InsertOneValue().

numattr

PGDLLIMPORT int numattr

extern

Definition at line 60 of file bootstrap.c.

Referenced by boot_openrel(), InsertOneTuple(), and tsvector_update_trigger().