PostgreSQL Source Code: contrib/pageinspect/gistfuncs.c File Reference (original) (raw)

#include "[postgres.h](postgres%5F8h%5Fsource.html)"
#include "[access/gist.h](gist%5F8h%5Fsource.html)"
#include "[access/htup.h](htup%5F8h%5Fsource.html)"
#include "[access/relation.h](relation%5F8h%5Fsource.html)"
#include "catalog/pg_am_d.h"
#include "[funcapi.h](funcapi%5F8h%5Fsource.html)"
#include "[miscadmin.h](miscadmin%5F8h%5Fsource.html)"
#include "[pageinspect.h](pageinspect%5F8h%5Fsource.html)"
#include "[storage/itemptr.h](itemptr%5F8h%5Fsource.html)"
#include "[utils/array.h](array%5F8h%5Fsource.html)"
#include "[utils/builtins.h](builtins%5F8h%5Fsource.html)"
#include "[utils/lsyscache.h](lsyscache%5F8h%5Fsource.html)"
#include "[utils/pg_lsn.h](pg%5F%5Flsn%5F8h%5Fsource.html)"
#include "[utils/rel.h](rel%5F8h%5Fsource.html)"
#include "[utils/ruleutils.h](ruleutils%5F8h%5Fsource.html)"

Go to the source code of this file.

◆ IS_GIST

| #define IS_GIST | ( | | r | ) | ((r)->rd_rel->relam == GIST_AM_OID) | | ---------------- | - | | - | - | -------------------------------------- |

◆ gist_page_items()

Definition at line 194 of file gistfuncs.c.

195{

203 bits16 printflags = 0;

206 char *index_columns;

207

210 (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),

211 errmsg("must be superuser to use raw page functions")));

212

214

215

217

220 (errcode(ERRCODE_WRONG_OBJECT_TYPE),

221 errmsg("\"%s\" is not a %s index",

223

225

227 {

230 }

231

233

234

235

236

237

239 if (flagbits & F_LEAF)

240 {

242 }

243 else

244 {

248 }

249

251 printflags);

252

253

256 else

258

260 offset <= maxoff;

261 offset++)

262 {

264 bool nulls[5];

270 int i;

271

273

276

278

280 itup_values, itup_isnull);

281

282 memset(nulls, 0, sizeof(nulls));

283

288

289 if (index_columns)

290 {

293

294

295 for (i = 0; i < tupdesc->natts; i++)

296 {

298 char *tmp;

299 bool nq = false;

300

301 if (itup_isnull[i])

303 else

304 {

305 Oid foutoid;

306 bool typisvarlena;

307 Oid typoid;

308

312 }

313

316 else if (i > 0)

318

319

320 nq = (value[0] == '\0');

321 for (tmp = value; *tmp; tmp++)

322 {

323 char ch = *tmp;

324

325 if (ch == '"' || ch == '\\' ||

326 ch == '(' || ch == ')' || ch == ',' ||

327 isspace((unsigned char) ch))

328 {

329 nq = true;

330 break;

331 }

332 }

333

334

335 if (nq)

337 for (tmp = value; *tmp; tmp++)

338 {

339 char ch = *tmp;

340

341 if (ch == '"' || ch == '\\')

344 }

345 if (nq)

347 }

348

350

352 nulls[4] = false;

353 }

354 else

355 {

357 nulls[4] = true;

358 }

359

361 }

362

364

365 return (Datum) 0;

366}

static Datum values[MAXATTR]

static Item PageGetItem(const PageData *page, const ItemIdData *itemId)

static bool PageIsNew(const PageData *page)

static ItemId PageGetItemId(Page page, OffsetNumber offsetNumber)

static OffsetNumber PageGetMaxOffsetNumber(const PageData *page)

#define CStringGetTextDatum(s)

int errcode(int sqlerrcode)

int errmsg(const char *fmt,...)

#define ereport(elevel,...)

char * OidOutputFunctionCall(Oid functionId, Datum val)

#define PG_GETARG_BYTEA_P(n)

void InitMaterializedSRF(FunctionCallInfo fcinfo, bits32 flags)

#define GistPageIsDeleted(page)

#define GistPageGetOpaque(page)

static Page verify_gist_page(bytea *raw_page)

void index_close(Relation relation, LOCKMODE lockmode)

Relation index_open(Oid relationId, LOCKMODE lockmode)

void index_deform_tuple(IndexTuple tup, TupleDesc tupleDescriptor, Datum *values, bool *isnull)

if(TABLE==NULL||TABLE_index==NULL)

#define ItemIdIsDead(itemId)

#define ItemIdIsValid(itemId)

static Datum ItemPointerGetDatum(const ItemPointerData *X)

IndexTupleData * IndexTuple

static Size IndexTupleSize(const IndexTupleData *itup)

void getTypeOutputInfo(Oid type, Oid *typOutput, bool *typIsVarlena)

#define InvalidOffsetNumber

#define FirstOffsetNumber

static Datum BoolGetDatum(bool X)

static Datum Int32GetDatum(int32 X)

static int16 DatumGetInt16(Datum X)

#define RelationGetDescr(relation)

#define RelationGetRelationName(relation)

#define IndexRelationGetNumberOfKeyAttributes(relation)

char * pg_get_indexdef_columns_extended(Oid indexrelid, bits16 flags)

#define RULE_INDEXDEF_PRETTY

#define RULE_INDEXDEF_KEYS_ONLY

void relation_close(Relation relation, LOCKMODE lockmode)

void appendStringInfo(StringInfo str, const char *fmt,...)

void appendStringInfoString(StringInfo str, const char *s)

void appendStringInfoChar(StringInfo str, char ch)

void initStringInfo(StringInfo str)

#define appendStringInfoCharMacro(str, ch)

Tuplestorestate * setResult

TupleDesc CreateTupleDescTruncatedCopy(TupleDesc tupdesc, int natts)

static FormData_pg_attribute * TupleDescAttr(TupleDesc tupdesc, int i)

void tuplestore_putvalues(Tuplestorestate *state, TupleDesc tdesc, const Datum *values, const bool *isnull)

References AccessShareLock, appendStringInfo(), appendStringInfoChar(), appendStringInfoCharMacro, appendStringInfoString(), BoolGetDatum(), buf, CreateTupleDescTruncatedCopy(), CStringGetTextDatum, DatumGetInt16(), elog, ereport, errcode(), errmsg(), ERROR, F_LEAF, FirstOffsetNumber, getTypeOutputInfo(), GistPageGetOpaque, GistPageIsDeleted, i, if(), index_close(), index_deform_tuple(), INDEX_MAX_KEYS, index_open(), IndexRelationGetNumberOfKeyAttributes, IndexTupleSize(), InitMaterializedSRF(), initStringInfo(), Int32GetDatum(), InvalidOffsetNumber, IS_GIST, ItemIdIsDead, ItemIdIsValid, ItemPointerGetDatum(), NOTICE, OidOutputFunctionCall(), PageGetItem(), PageGetItemId(), PageGetMaxOffsetNumber(), PageIsNew(), pg_get_indexdef_columns_extended(), PG_GETARG_BYTEA_P, PG_GETARG_OID, PG_RETURN_NULL, relation_close(), RelationGetDescr, RelationGetRelationName, RULE_INDEXDEF_KEYS_ONLY, RULE_INDEXDEF_PRETTY, ReturnSetInfo::setDesc, ReturnSetInfo::setResult, superuser(), IndexTupleData::t_tid, TupleDescAttr(), tuplestore_putvalues(), value, values, and verify_gist_page().

◆ gist_page_items_bytea()

Definition at line 130 of file gistfuncs.c.

131{

137

140 (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),

141 errmsg("must be superuser to use raw page functions")));

142

144

146

149

150

153 else

155

157 offset <= maxoff;

158 offset++)

159 {

161 bool nulls[5];

164 bytea *tuple_bytea;

165 int tuple_len;

166

168

171

174

175 memset(nulls, 0, sizeof(nulls));

176

180

183 memcpy(VARDATA(tuple_bytea), itup, tuple_len);

186

188 }

189

190 return (Datum) 0;

191}

static Datum PointerGetDatum(const void *X)

#define SET_VARSIZE(PTR, len)

References BoolGetDatum(), DatumGetInt16(), elog, ereport, errcode(), errmsg(), ERROR, FirstOffsetNumber, GistPageIsDeleted, if(), IndexTupleSize(), InitMaterializedSRF(), Int32GetDatum(), InvalidOffsetNumber, ItemIdIsDead, ItemIdIsValid, ItemPointerGetDatum(), NOTICE, PageGetItem(), PageGetItemId(), PageGetMaxOffsetNumber(), PageIsNew(), palloc(), PG_GETARG_BYTEA_P, PG_RETURN_NULL, PointerGetDatum(), SET_VARSIZE, ReturnSetInfo::setDesc, ReturnSetInfo::setResult, superuser(), IndexTupleData::t_tid, tuplestore_putvalues(), values, VARDATA, VARHDRSZ, and verify_gist_page().

◆ gist_page_opaque_info()

Definition at line 71 of file gistfuncs.c.

72{

78 bool nulls[4];

80 int nflags = 0;

82

85 (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),

86 errmsg("must be superuser to use raw page functions")));

87

89

92

93

95 elog(ERROR, "return type must be a row type");

96

97

99 if (flagbits & F_LEAF)

110 if (flagbits)

111 {

112

114 }

115

116 memset(nulls, 0, sizeof(nulls));

117

122

123

125

127}

ArrayType * construct_array_builtin(Datum *elems, int nelems, Oid elmtype)

static XLogRecPtr PageGetLSN(const PageData *page)

Datum Int64GetDatum(int64 X)

#define DirectFunctionCall1(func, arg1)

TypeFuncClass get_call_result_type(FunctionCallInfo fcinfo, Oid *resultTypeId, TupleDesc *resultTupleDesc)

static Datum HeapTupleGetDatum(const HeapTupleData *tuple)

#define GistPageGetNSN(page)

HeapTuple heap_form_tuple(TupleDesc tupleDescriptor, const Datum *values, const bool *isnull)

static Datum LSNGetDatum(XLogRecPtr X)

Datum to_hex32(PG_FUNCTION_ARGS)

References construct_array_builtin(), CStringGetTextDatum, DirectFunctionCall1, elog, ereport, errcode(), errmsg(), ERROR, F_DELETED, F_FOLLOW_RIGHT, F_HAS_GARBAGE, F_LEAF, F_TUPLES_DELETED, get_call_result_type(), GistPageGetNSN, GistPageGetOpaque, heap_form_tuple(), HeapTupleGetDatum(), Int32GetDatum(), Int64GetDatum(), LSNGetDatum(), PageGetLSN(), PageIsNew(), PG_GETARG_BYTEA_P, PG_RETURN_NULL, PointerGetDatum(), superuser(), to_hex32(), TYPEFUNC_COMPOSITE, values, and verify_gist_page().

◆ PG_FUNCTION_INFO_V1() [1/3]

◆ PG_FUNCTION_INFO_V1() [2/3]

◆ PG_FUNCTION_INFO_V1() [3/3]

◆ verify_gist_page()

Definition at line 41 of file gistfuncs.c.

42{

45

47 return page;

48

49

52 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),

53 errmsg("input page is not a valid %s page", "GiST"),

54 errdetail("Expected special size %d, got %d.",

57

61 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),

62 errmsg("input page is not a valid %s page", "GiST"),

63 errdetail("Expected %08x, got %08x.",

66

67 return page;

68}

static uint16 PageGetSpecialSize(const PageData *page)

int errdetail(const char *fmt,...)

Page get_page_from_raw(bytea *raw_page)

References ereport, errcode(), errdetail(), errmsg(), ERROR, get_page_from_raw(), GISTPageOpaqueData::gist_page_id, GIST_PAGE_ID, GistPageGetOpaque, MAXALIGN, PageGetSpecialSize(), and PageIsNew().

Referenced by gist_page_items(), gist_page_items_bytea(), and gist_page_opaque_info().