PostgreSQL Source Code  git master
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)
 
oidvectorbuildoidvector (const Oid *oids, int n)
 
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.

88 {
89  oidvector *result;
90 
91  result = (oidvector *) palloc0(OidVectorSize(n));
92 
93  if (n > 0 && oids)
94  memcpy(result->values, oids, n * sizeof(Oid));
95 
96  /*
97  * Attach standard array header. For historical reasons, we set the index
98  * lower bound to 0 not 1.
99  */
100  SET_VARSIZE(result, OidVectorSize(n));
101  result->ndim = 1;
102  result->dataoffset = 0; /* never any nulls */
103  result->elemtype = OIDOID;
104  result->dim1 = n;
105  result->lbound1 = 0;
106 
107  return result;
108 }
void * palloc0(Size size)
Definition: mcxt.c:1334
#define OidVectorSize(n)
Definition: oid.c:29
unsigned int Oid
Definition: postgres_ext.h:31
Definition: c.h:713
int dim1
Definition: c.h:718
int32 dataoffset
Definition: c.h:716
Oid elemtype
Definition: c.h:717
int lbound1
Definition: c.h:719
int ndim
Definition: c.h:715
Oid values[FLEXIBLE_ARRAY_MEMBER]
Definition: c.h:720
#define SET_VARSIZE(PTR, len)
Definition: varatt.h:305

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

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

◆ oid_cmp()

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

Definition at line 258 of file oid.c.

259 {
260  Oid v1 = *((const Oid *) p1);
261  Oid v2 = *((const Oid *) p2);
262 
263  return pg_cmp_u32(v1, v2);
264 }
static int pg_cmp_u32(uint32 a, uint32 b)
Definition: int.h:489

References p2, and pg_cmp_u32().

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

◆ oideq()

Datum oideq ( PG_FUNCTION_ARGS  )

Definition at line 272 of file oid.c.

273 {
274  Oid arg1 = PG_GETARG_OID(0);
275  Oid arg2 = PG_GETARG_OID(1);
276 
277  PG_RETURN_BOOL(arg1 == arg2);
278 }
#define PG_GETARG_OID(n)
Definition: fmgr.h:275
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:359

References PG_GETARG_OID, and PG_RETURN_BOOL.

◆ oidge()

Datum oidge ( PG_FUNCTION_ARGS  )

Definition at line 308 of file oid.c.

309 {
310  Oid arg1 = PG_GETARG_OID(0);
311  Oid arg2 = PG_GETARG_OID(1);
312 
313  PG_RETURN_BOOL(arg1 >= arg2);
314 }

References PG_GETARG_OID, and PG_RETURN_BOOL.

◆ oidgt()

Datum oidgt ( PG_FUNCTION_ARGS  )

Definition at line 317 of file oid.c.

318 {
319  Oid arg1 = PG_GETARG_OID(0);
320  Oid arg2 = PG_GETARG_OID(1);
321 
322  PG_RETURN_BOOL(arg1 > arg2);
323 }

References PG_GETARG_OID, and PG_RETURN_BOOL.

◆ oidin()

Datum oidin ( PG_FUNCTION_ARGS  )

Definition at line 37 of file oid.c.

38 {
39  char *s = PG_GETARG_CSTRING(0);
40  Oid result;
41 
42  result = uint32in_subr(s, NULL, "oid", fcinfo->context);
43  PG_RETURN_OID(result);
44 }
#define PG_GETARG_CSTRING(n)
Definition: fmgr.h:277
#define PG_RETURN_OID(x)
Definition: fmgr.h:360
uint32 uint32in_subr(const char *s, char **endloc, const char *typname, Node *escontext)
Definition: numutils.c:900

References PG_GETARG_CSTRING, PG_RETURN_OID, and uint32in_subr().

Referenced by defGetObjectId(), and parseNumericOid().

◆ oidlarger()

Datum oidlarger ( PG_FUNCTION_ARGS  )

Definition at line 326 of file oid.c.

327 {
328  Oid arg1 = PG_GETARG_OID(0);
329  Oid arg2 = PG_GETARG_OID(1);
330 
331  PG_RETURN_OID((arg1 > arg2) ? arg1 : arg2);
332 }

References PG_GETARG_OID, and PG_RETURN_OID.

◆ oidle()

Datum oidle ( PG_FUNCTION_ARGS  )

Definition at line 299 of file oid.c.

300 {
301  Oid arg1 = PG_GETARG_OID(0);
302  Oid arg2 = PG_GETARG_OID(1);
303 
304  PG_RETURN_BOOL(arg1 <= arg2);
305 }

References PG_GETARG_OID, and PG_RETURN_BOOL.

◆ oidlt()

Datum oidlt ( PG_FUNCTION_ARGS  )

Definition at line 290 of file oid.c.

291 {
292  Oid arg1 = PG_GETARG_OID(0);
293  Oid arg2 = PG_GETARG_OID(1);
294 
295  PG_RETURN_BOOL(arg1 < arg2);
296 }

References PG_GETARG_OID, and PG_RETURN_BOOL.

◆ oidne()

Datum oidne ( PG_FUNCTION_ARGS  )

Definition at line 281 of file oid.c.

282 {
283  Oid arg1 = PG_GETARG_OID(0);
284  Oid arg2 = PG_GETARG_OID(1);
285 
286  PG_RETURN_BOOL(arg1 != arg2);
287 }

References PG_GETARG_OID, and PG_RETURN_BOOL.

◆ oidout()

Datum oidout ( PG_FUNCTION_ARGS  )

Definition at line 47 of file oid.c.

48 {
49  Oid o = PG_GETARG_OID(0);
50  char *result = (char *) palloc(12);
51 
52  snprintf(result, 12, "%u", o);
53  PG_RETURN_CSTRING(result);
54 }
#define PG_RETURN_CSTRING(x)
Definition: fmgr.h:362
void * palloc(Size size)
Definition: mcxt.c:1304
#define snprintf
Definition: port.h:238

References 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 235 of file oid.c.

236 {
237  switch (nodeTag(node))
238  {
239  case T_Integer:
240  return intVal(node);
241  case T_Float:
242 
243  /*
244  * Values too large for int4 will be represented as Float
245  * constants by the lexer. Accept these if they are valid OID
246  * strings.
247  */
248  return uint32in_subr(castNode(Float, node)->fval, NULL,
249  "oid", NULL);
250  default:
251  elog(ERROR, "unrecognized node type: %d", (int) nodeTag(node));
252  }
253  return InvalidOid; /* keep compiler quiet */
254 }
#define ERROR
Definition: elog.h:39
#define elog(elevel,...)
Definition: elog.h:224
#define nodeTag(nodeptr)
Definition: nodes.h:133
#define castNode(_type_, nodeptr)
Definition: nodes.h:176
#define InvalidOid
Definition: postgres_ext.h:36
Definition: value.h:48
#define intVal(v)
Definition: value.h:79

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

Referenced by get_object_address(), and objectNamesToOids().

◆ oidrecv()

Datum oidrecv ( PG_FUNCTION_ARGS  )

Definition at line 60 of file oid.c.

61 {
63 
64  PG_RETURN_OID((Oid) pq_getmsgint(buf, sizeof(Oid)));
65 }
#define PG_GETARG_POINTER(n)
Definition: fmgr.h:276
static char * buf
Definition: pg_test_fsync.c:73
unsigned int pq_getmsgint(StringInfo msg, int b)
Definition: pqformat.c:415
StringInfoData * StringInfo
Definition: stringinfo.h:54

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

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

◆ oidsend()

Datum oidsend ( PG_FUNCTION_ARGS  )

Definition at line 71 of file oid.c.

72 {
73  Oid arg1 = PG_GETARG_OID(0);
75 
77  pq_sendint32(&buf, arg1);
79 }
#define PG_RETURN_BYTEA_P(x)
Definition: fmgr.h:371
void pq_begintypsend(StringInfo buf)
Definition: pqformat.c:326
bytea * pq_endtypsend(StringInfo buf)
Definition: pqformat.c:346
static void pq_sendint32(StringInfo buf, uint32 i)
Definition: pqformat.h:144

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

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

◆ oidsmaller()

Datum oidsmaller ( PG_FUNCTION_ARGS  )

Definition at line 335 of file oid.c.

336 {
337  Oid arg1 = PG_GETARG_OID(0);
338  Oid arg2 = PG_GETARG_OID(1);
339 
340  PG_RETURN_OID((arg1 < arg2) ? arg1 : arg2);
341 }

References PG_GETARG_OID, and PG_RETURN_OID.

◆ oidvectoreq()

Datum oidvectoreq ( PG_FUNCTION_ARGS  )

Definition at line 344 of file oid.c.

345 {
347 
348  PG_RETURN_BOOL(cmp == 0);
349 }
signed int int32
Definition: c.h:481
Datum btoidvectorcmp(PG_FUNCTION_ARGS)
Definition: nbtcompare.c:296
static int32 DatumGetInt32(Datum X)
Definition: postgres.h:202
static int cmp(const chr *x, const chr *y, size_t len)
Definition: regc_locale.c:743

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

Referenced by oidvectoreqfast().

◆ oidvectorge()

Datum oidvectorge ( PG_FUNCTION_ARGS  )

Definition at line 376 of file oid.c.

377 {
379 
380  PG_RETURN_BOOL(cmp >= 0);
381 }

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

◆ oidvectorgt()

Datum oidvectorgt ( PG_FUNCTION_ARGS  )

Definition at line 384 of file oid.c.

385 {
387 
388  PG_RETURN_BOOL(cmp > 0);
389 }

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

◆ oidvectorin()

Datum oidvectorin ( PG_FUNCTION_ARGS  )

Definition at line 114 of file oid.c.

115 {
116  char *oidString = PG_GETARG_CSTRING(0);
117  Node *escontext = fcinfo->context;
118  oidvector *result;
119  int nalloc;
120  int n;
121 
122  nalloc = 32; /* arbitrary initial size guess */
123  result = (oidvector *) palloc0(OidVectorSize(nalloc));
124 
125  for (n = 0;; n++)
126  {
127  while (*oidString && isspace((unsigned char) *oidString))
128  oidString++;
129  if (*oidString == '\0')
130  break;
131 
132  if (n >= nalloc)
133  {
134  nalloc *= 2;
135  result = (oidvector *) repalloc(result, OidVectorSize(nalloc));
136  }
137 
138  result->values[n] = uint32in_subr(oidString, &oidString,
139  "oid", escontext);
140  if (SOFT_ERROR_OCCURRED(escontext))
141  PG_RETURN_NULL();
142  }
143 
144  SET_VARSIZE(result, OidVectorSize(n));
145  result->ndim = 1;
146  result->dataoffset = 0; /* never any nulls */
147  result->elemtype = OIDOID;
148  result->dim1 = n;
149  result->lbound1 = 0;
150 
151  PG_RETURN_POINTER(result);
152 }
#define PG_RETURN_NULL()
Definition: fmgr.h:345
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:361
void * repalloc(void *pointer, Size size)
Definition: mcxt.c:1528
#define SOFT_ERROR_OCCURRED(escontext)
Definition: miscnodes.h:52
Definition: nodes.h:129

References oidvector::dataoffset, oidvector::dim1, oidvector::elemtype, 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 368 of file oid.c.

369 {
371 
372  PG_RETURN_BOOL(cmp <= 0);
373 }

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

◆ oidvectorlt()

Datum oidvectorlt ( PG_FUNCTION_ARGS  )

Definition at line 360 of file oid.c.

361 {
363 
364  PG_RETURN_BOOL(cmp < 0);
365 }

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

◆ oidvectorne()

Datum oidvectorne ( PG_FUNCTION_ARGS  )

Definition at line 352 of file oid.c.

353 {
355 
356  PG_RETURN_BOOL(cmp != 0);
357 }

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

◆ oidvectorout()

Datum oidvectorout ( PG_FUNCTION_ARGS  )

Definition at line 158 of file oid.c.

159 {
160  oidvector *oidArray = (oidvector *) PG_GETARG_POINTER(0);
161  int num,
162  nnums = oidArray->dim1;
163  char *rp;
164  char *result;
165 
166  /* assumes sign, 10 digits, ' ' */
167  rp = result = (char *) palloc(nnums * 12 + 1);
168  for (num = 0; num < nnums; num++)
169  {
170  if (num != 0)
171  *rp++ = ' ';
172  sprintf(rp, "%u", oidArray->values[num]);
173  while (*++rp != '\0')
174  ;
175  }
176  *rp = '\0';
177  PG_RETURN_CSTRING(result);
178 }
#define sprintf
Definition: port.h:240

References oidvector::dim1, palloc(), PG_GETARG_POINTER, PG_RETURN_CSTRING, sprintf, and oidvector::values.

◆ oidvectorrecv()

Datum oidvectorrecv ( PG_FUNCTION_ARGS  )

Definition at line 184 of file oid.c.

185 {
186  LOCAL_FCINFO(locfcinfo, 3);
188  oidvector *result;
189 
190  /*
191  * Normally one would call array_recv() using DirectFunctionCall3, but
192  * that does not work since array_recv wants to cache some data using
193  * fcinfo->flinfo->fn_extra. So we need to pass it our own flinfo
194  * parameter.
195  */
196  InitFunctionCallInfoData(*locfcinfo, fcinfo->flinfo, 3,
197  InvalidOid, NULL, NULL);
198 
199  locfcinfo->args[0].value = PointerGetDatum(buf);
200  locfcinfo->args[0].isnull = false;
201  locfcinfo->args[1].value = ObjectIdGetDatum(OIDOID);
202  locfcinfo->args[1].isnull = false;
203  locfcinfo->args[2].value = Int32GetDatum(-1);
204  locfcinfo->args[2].isnull = false;
205 
206  result = (oidvector *) DatumGetPointer(array_recv(locfcinfo));
207 
208  Assert(!locfcinfo->isnull);
209 
210  /* sanity checks: oidvector must be 1-D, 0-based, no nulls */
211  if (ARR_NDIM(result) != 1 ||
212  ARR_HASNULL(result) ||
213  ARR_ELEMTYPE(result) != OIDOID ||
214  ARR_LBOUND(result)[0] != 0)
215  ereport(ERROR,
216  (errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
217  errmsg("invalid oidvector data")));
218 
219  PG_RETURN_POINTER(result);
220 }
#define ARR_NDIM(a)
Definition: array.h:290
#define ARR_ELEMTYPE(a)
Definition: array.h:292
#define ARR_HASNULL(a)
Definition: array.h:291
#define ARR_LBOUND(a)
Definition: array.h:296
Datum array_recv(PG_FUNCTION_ARGS)
Definition: arrayfuncs.c:1271
int errcode(int sqlerrcode)
Definition: elog.c:859
int errmsg(const char *fmt,...)
Definition: elog.c:1072
#define ereport(elevel,...)
Definition: elog.h:149
#define InitFunctionCallInfoData(Fcinfo, Flinfo, Nargs, Collation, Context, Resultinfo)
Definition: fmgr.h:150
#define LOCAL_FCINFO(name, nargs)
Definition: fmgr.h:110
Assert(fmt[strlen(fmt) - 1] !='\n')
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:322
static Datum ObjectIdGetDatum(Oid X)
Definition: postgres.h:252
static Pointer DatumGetPointer(Datum X)
Definition: postgres.h:312
static Datum Int32GetDatum(int32 X)
Definition: postgres.h:212

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

◆ oidvectorsend()

Datum oidvectorsend ( PG_FUNCTION_ARGS  )

Definition at line 226 of file oid.c.

227 {
228  return array_send(fcinfo);
229 }
Datum array_send(PG_FUNCTION_ARGS)
Definition: arrayfuncs.c:1548

References array_send().