oid.c File Reference

#include "postgres.h"
#include <ctype.h>
#include <limits.h>
#include "catalog/pg_type.h"
#include "common/int.h"
#include "libpq/pqformat.h"
#include "nodes/miscnodes.h"
#include "nodes/value.h"
#include "utils/array.h"
#include "utils/builtins.h"

Include dependency graph for oid.c:

Go to the source code of this file.

Macros
#define	OidVectorSize(n)   (offsetof(oidvector, values) + (n) * sizeof(Oid))

Functions
Datum	oidin (PG_FUNCTION_ARGS)
Datum	oidout (PG_FUNCTION_ARGS)
Datum	oidrecv (PG_FUNCTION_ARGS)
Datum	oidsend (PG_FUNCTION_ARGS)
oidvector *	buildoidvector (const Oid *oids, int n)
void	check_valid_oidvector (const oidvector *oidArray)
Datum	oidvectorin (PG_FUNCTION_ARGS)
Datum	oidvectorout (PG_FUNCTION_ARGS)
Datum	oidvectorrecv (PG_FUNCTION_ARGS)
Datum	oidvectorsend (PG_FUNCTION_ARGS)
Oid	oidparse (Node *node)
int	oid_cmp (const void *p1, const void *p2)
Datum	oideq (PG_FUNCTION_ARGS)
Datum	oidne (PG_FUNCTION_ARGS)
Datum	oidlt (PG_FUNCTION_ARGS)
Datum	oidle (PG_FUNCTION_ARGS)
Datum	oidge (PG_FUNCTION_ARGS)
Datum	oidgt (PG_FUNCTION_ARGS)
Datum	oidlarger (PG_FUNCTION_ARGS)
Datum	oidsmaller (PG_FUNCTION_ARGS)
Datum	oidvectoreq (PG_FUNCTION_ARGS)
Datum	oidvectorne (PG_FUNCTION_ARGS)
Datum	oidvectorlt (PG_FUNCTION_ARGS)
Datum	oidvectorle (PG_FUNCTION_ARGS)
Datum	oidvectorge (PG_FUNCTION_ARGS)
Datum	oidvectorgt (PG_FUNCTION_ARGS)

Macro Definition Documentation

OidVectorSize

#define OidVectorSize

(

n

)

(offsetof(oidvector, values) + (n) * sizeof(Oid))

Definition at line 29 of file oid.c.

Function Documentation

buildoidvector()

oidvector * buildoidvector	(	const Oid *	oids,
		int	n
	)

Definition at line 87 of file oid.c.

{
    oidvector  *result;
 
    result = (oidvector *) palloc0(OidVectorSize(n));
 
    if (n > 0 && oids)
        memcpy(result->values, oids, n * sizeof(Oid));
 
    /*
     * Attach standard array header.  For historical reasons, we set the index
     * lower bound to 0 not 1.
     */
    SET_VARSIZE(result, OidVectorSize(n));
    result->ndim = 1;
    result->dataoffset = 0;     /* never any nulls */
    result->elemtype = OIDOID;
    result->dim1 = n;
    result->lbound1 = 0;
 
    return result;
}

References oidvector::dataoffset, oidvector::dim1, oidvector::elemtype, fb(), oidvector::lbound1, oidvector::ndim, OidVectorSize, palloc0(), SET_VARSIZE(), and oidvector::values.

Referenced by DefineAggregate(), interpret_function_parameter_list(), makeMultirangeConstructors(), makeRangeConstructors(), StorePartitionKey(), and UpdateIndexRelation().

check_valid_oidvector()

void check_valid_oidvector

(

const oidvector *

oidArray

)

Definition at line 118 of file oid.c.

{
    /*
     * We insist on ndim == 1 and dataoffset == 0 (that is, no nulls) because
     * otherwise the array's layout will not be what calling code expects.  We
     * needn't be picky about the index lower bound though.  Checking elemtype
     * is just paranoia.
     */
    if (oidArray->ndim != 1 ||
        oidArray->dataoffset != 0 ||
        oidArray->elemtype != OIDOID)
        ereport(ERROR,
                (errcode(ERRCODE_DATATYPE_MISMATCH),
                 errmsg("array is not a valid oidvector")));
}

References ereport, errcode(), errmsg(), ERROR, and fb().

Referenced by btoidvectorcmp(), hashoidvector(), hashoidvectorextended(), oidvectorout(), and oidvectortypes().

oid_cmp()

int oid_cmp	(	const void *	p1,
		const void *	p2
	)

Definition at line 287 of file oid.c.

{
    Oid         v1 = *((const Oid *) p1);
    Oid         v2 = *((const Oid *) p2);
 
    return pg_cmp_u32(v1, v2);
}

References fb(), and pg_cmp_u32().

Referenced by aclmembers(), AlterSubscription_refresh(), EnumValuesCreate(), and find_inheritance_children_extended().

oideq()

Datum oideq

(

PG_FUNCTION_ARGS

)

Definition at line 301 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_BOOL(arg1 == arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_BOOL.

oidge()

Datum oidge

(

PG_FUNCTION_ARGS

)

Definition at line 337 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_BOOL(arg1 >= arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_BOOL.

oidgt()

Datum oidgt

(

PG_FUNCTION_ARGS

)

Definition at line 346 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_BOOL(arg1 > arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_BOOL.

oidin()

Datum oidin

(

PG_FUNCTION_ARGS

)

Definition at line 37 of file oid.c.

{
    char       *s = PG_GETARG_CSTRING(0);
    Oid         result;
 
    result = uint32in_subr(s, NULL, "oid", fcinfo->context);
    PG_RETURN_OID(result);
}

References fb(), PG_GETARG_CSTRING, PG_RETURN_OID, and uint32in_subr().

Referenced by defGetObjectId(), and parseNumericOid().

oidlarger()

Datum oidlarger

(

PG_FUNCTION_ARGS

)

Definition at line 355 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_OID((arg1 > arg2) ? arg1 : arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_OID.

oidle()

Datum oidle

(

PG_FUNCTION_ARGS

)

Definition at line 328 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_BOOL(arg1 <= arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_BOOL.

oidlt()

Datum oidlt

(

PG_FUNCTION_ARGS

)

Definition at line 319 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_BOOL(arg1 < arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_BOOL.

oidne()

Datum oidne

(

PG_FUNCTION_ARGS

)

Definition at line 310 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_BOOL(arg1 != arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_BOOL.

oidout()

Datum oidout

(

PG_FUNCTION_ARGS

)

Definition at line 47 of file oid.c.

{
    Oid         o = PG_GETARG_OID(0);
    char       *result = (char *) palloc(12);
 
    snprintf(result, 12, "%u", o);
    PG_RETURN_CSTRING(result);
}

References fb(), palloc(), PG_GETARG_OID, PG_RETURN_CSTRING, and snprintf.

Referenced by plperl_trigger_build_args(), pltcl_trigger_handler(), and PLy_trigger_build_args().

oidparse()

Oid oidparse

(

Node *

node

)

Definition at line 264 of file oid.c.

{
    switch (nodeTag(node))
    {
        case T_Integer:
            return intVal(node);
        case T_Float:
 
            /*
             * Values too large for int4 will be represented as Float
             * constants by the lexer.  Accept these if they are valid OID
             * strings.
             */
            return uint32in_subr(castNode(Float, node)->fval, NULL,
                                 "oid", NULL);
        default:
            elog(ERROR, "unrecognized node type: %d", (int) nodeTag(node));
    }
    return InvalidOid;          /* keep compiler quiet */
}

References castNode, elog, ERROR, fb(), intVal, InvalidOid, nodeTag, and uint32in_subr().

Referenced by get_object_address().

oidrecv()

Datum oidrecv

(

PG_FUNCTION_ARGS

)

Definition at line 60 of file oid.c.

{
    StringInfo  buf = (StringInfo) PG_GETARG_POINTER(0);
 
    PG_RETURN_OID((Oid) pq_getmsgint(buf, sizeof(Oid)));
}

References buf, PG_GETARG_POINTER, PG_RETURN_OID, and pq_getmsgint().

Referenced by regclassrecv(), regcollationrecv(), regconfigrecv(), regdatabaserecv(), regdictionaryrecv(), regnamespacerecv(), regoperatorrecv(), regoperrecv(), regprocedurerecv(), regprocrecv(), regrolerecv(), and regtyperecv().

oidsend()

Datum oidsend

(

PG_FUNCTION_ARGS

)

Definition at line 71 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    StringInfoData buf;
 
    pq_begintypsend(&buf);
    pq_sendint32(&buf, arg1);
    PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}

References buf, fb(), PG_GETARG_OID, PG_RETURN_BYTEA_P, pq_begintypsend(), pq_endtypsend(), and pq_sendint32().

Referenced by regclasssend(), regcollationsend(), regconfigsend(), regdatabasesend(), regdictionarysend(), regnamespacesend(), regoperatorsend(), regopersend(), regproceduresend(), regprocsend(), regrolesend(), and regtypesend().

oidsmaller()

Datum oidsmaller

(

PG_FUNCTION_ARGS

)

Definition at line 364 of file oid.c.

{
    Oid         arg1 = PG_GETARG_OID(0);
    Oid         arg2 = PG_GETARG_OID(1);
 
    PG_RETURN_OID((arg1 < arg2) ? arg1 : arg2);
}

References fb(), PG_GETARG_OID, and PG_RETURN_OID.

oidvectoreq()

Datum oidvectoreq

(

PG_FUNCTION_ARGS

)

Definition at line 373 of file oid.c.

{
    int32       cmp = DatumGetInt32(btoidvectorcmp(fcinfo));
 
    PG_RETURN_BOOL(cmp == 0);
}

References btoidvectorcmp(), cmp(), DatumGetInt32(), and PG_RETURN_BOOL.

Referenced by oidvectoreqfast().

oidvectorge()

Datum oidvectorge

(

PG_FUNCTION_ARGS

)

Definition at line 405 of file oid.c.

{
    int32       cmp = DatumGetInt32(btoidvectorcmp(fcinfo));
 
    PG_RETURN_BOOL(cmp >= 0);
}

References btoidvectorcmp(), cmp(), DatumGetInt32(), and PG_RETURN_BOOL.

oidvectorgt()

Datum oidvectorgt

(

PG_FUNCTION_ARGS

)

Definition at line 413 of file oid.c.

{
    int32       cmp = DatumGetInt32(btoidvectorcmp(fcinfo));
 
    PG_RETURN_BOOL(cmp > 0);
}

References btoidvectorcmp(), cmp(), DatumGetInt32(), and PG_RETURN_BOOL.

oidvectorin()

Datum oidvectorin

(

PG_FUNCTION_ARGS

)

Definition at line 138 of file oid.c.

{
    char       *oidString = PG_GETARG_CSTRING(0);
    Node       *escontext = fcinfo->context;
    oidvector  *result;
    int         nalloc;
    int         n;
 
    nalloc = 32;                /* arbitrary initial size guess */
    result = (oidvector *) palloc0(OidVectorSize(nalloc));
 
    for (n = 0;; n++)
    {
        while (*oidString && isspace((unsigned char) *oidString))
            oidString++;
        if (*oidString == '\0')
            break;
 
        if (n >= nalloc)
        {
            nalloc *= 2;
            result = (oidvector *) repalloc(result, OidVectorSize(nalloc));
        }
 
        result->values[n] = uint32in_subr(oidString, &oidString,
                                          "oid", escontext);
        if (SOFT_ERROR_OCCURRED(escontext))
            PG_RETURN_NULL();
    }
 
    SET_VARSIZE(result, OidVectorSize(n));
    result->ndim = 1;
    result->dataoffset = 0;     /* never any nulls */
    result->elemtype = OIDOID;
    result->dim1 = n;
    result->lbound1 = 0;
 
    PG_RETURN_POINTER(result);
}

References oidvector::dataoffset, oidvector::dim1, oidvector::elemtype, fb(), oidvector::lbound1, oidvector::ndim, OidVectorSize, palloc0(), PG_GETARG_CSTRING, PG_RETURN_NULL, PG_RETURN_POINTER, repalloc(), SET_VARSIZE(), SOFT_ERROR_OCCURRED, uint32in_subr(), and oidvector::values.

oidvectorle()

Datum oidvectorle

(

PG_FUNCTION_ARGS

)

Definition at line 397 of file oid.c.

{
    int32       cmp = DatumGetInt32(btoidvectorcmp(fcinfo));
 
    PG_RETURN_BOOL(cmp <= 0);
}

References btoidvectorcmp(), cmp(), DatumGetInt32(), and PG_RETURN_BOOL.

oidvectorlt()

Datum oidvectorlt

(

PG_FUNCTION_ARGS

)

Definition at line 389 of file oid.c.

{
    int32       cmp = DatumGetInt32(btoidvectorcmp(fcinfo));
 
    PG_RETURN_BOOL(cmp < 0);
}

References btoidvectorcmp(), cmp(), DatumGetInt32(), and PG_RETURN_BOOL.

oidvectorne()

Datum oidvectorne

(

PG_FUNCTION_ARGS

)

Definition at line 381 of file oid.c.

{
    int32       cmp = DatumGetInt32(btoidvectorcmp(fcinfo));
 
    PG_RETURN_BOOL(cmp != 0);
}

References btoidvectorcmp(), cmp(), DatumGetInt32(), and PG_RETURN_BOOL.

oidvectorout()

Datum oidvectorout

(

PG_FUNCTION_ARGS

)

Definition at line 182 of file oid.c.

{
    oidvector  *oidArray = (oidvector *) PG_GETARG_POINTER(0);
    int         num,
                nnums;
    char       *rp;
    char       *result;
 
    /* validate input before fetching dim1 */
    check_valid_oidvector(oidArray);
    nnums = oidArray->dim1;
 
    /* assumes sign, 10 digits, ' ' */
    rp = result = (char *) palloc(nnums * 12 + 1);
    for (num = 0; num < nnums; num++)
    {
        if (num != 0)
            *rp++ = ' ';
        sprintf(rp, "%u", oidArray->values[num]);
        while (*++rp != '\0')
            ;
    }
    *rp = '\0';
    PG_RETURN_CSTRING(result);
}

References check_valid_oidvector(), fb(), palloc(), PG_GETARG_POINTER, PG_RETURN_CSTRING, and sprintf.

oidvectorrecv()

Datum oidvectorrecv

(

PG_FUNCTION_ARGS

)

Definition at line 212 of file oid.c.

{
    LOCAL_FCINFO(locfcinfo, 3);
    StringInfo  buf = (StringInfo) PG_GETARG_POINTER(0);
    oidvector  *result;
 
    /*
     * Normally one would call array_recv() using DirectFunctionCall3, but
     * that does not work since array_recv wants to cache some data using
     * fcinfo->flinfo->fn_extra.  So we need to pass it our own flinfo
     * parameter.
     */
    InitFunctionCallInfoData(*locfcinfo, fcinfo->flinfo, 3,
                             InvalidOid, NULL, NULL);
 
    locfcinfo->args[0].value = PointerGetDatum(buf);
    locfcinfo->args[0].isnull = false;
    locfcinfo->args[1].value = ObjectIdGetDatum(OIDOID);
    locfcinfo->args[1].isnull = false;
    locfcinfo->args[2].value = Int32GetDatum(-1);
    locfcinfo->args[2].isnull = false;
 
    result = (oidvector *) DatumGetPointer(array_recv(locfcinfo));
 
    Assert(!locfcinfo->isnull);
 
    /* sanity checks: oidvector must be 1-D, 0-based, no nulls */
    if (ARR_NDIM(result) != 1 ||
        ARR_HASNULL(result) ||
        ARR_ELEMTYPE(result) != OIDOID ||
        ARR_LBOUND(result)[0] != 0)
        ereport(ERROR,
                (errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
                 errmsg("invalid oidvector data")));
 
    PG_RETURN_POINTER(result);
}

References ARR_ELEMTYPE, ARR_HASNULL, ARR_LBOUND, ARR_NDIM, array_recv(), Assert, buf, DatumGetPointer(), ereport, errcode(), errmsg(), ERROR, fb(), InitFunctionCallInfoData, Int32GetDatum(), InvalidOid, LOCAL_FCINFO, ObjectIdGetDatum(), PG_GETARG_POINTER, PG_RETURN_POINTER, and PointerGetDatum().

oidvectorsend()

Datum oidvectorsend

(

PG_FUNCTION_ARGS

)

Definition at line 254 of file oid.c.

{
    /* We don't do check_valid_oidvector, since array_send won't care */
    return array_send(fcinfo);
}

References array_send().