PostgreSQL Source Code: src/backend/commands/amcmds.c File Reference (original) (raw)

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◆ CreateAccessMethod()

Definition at line 43 of file amcmds.c.

44{

48 Oid amoid;

49 Oid amhandler;

50 bool nulls[Natts_pg_am];

53

55

56

59 (errcode(ERRCODE_INSUFFICIENT_PRIVILEGE),

60 errmsg("permission denied to create access method \"%s\"",

61 stmt->amname),

62 errhint("Must be superuser to create an access method.")));

63

64

68 {

71 errmsg("access method \"%s\" already exists",

72 stmt->amname)));

73 }

74

75

76

77

79

80

81

82

84 memset(nulls, false, sizeof(nulls));

85

88 values[Anum_pg_am_amname - 1] =

92

94

97

98 myself.classId = AccessMethodRelationId;

101

102

103 referenced.classId = ProcedureRelationId;

104 referenced.objectId = amhandler;

106

108

110

112

114

115 return myself;

116}

static Oid lookup_am_handler_func(List *handler_name, char amtype)

static Datum values[MAXATTR]

#define OidIsValid(objectId)

Oid GetNewOidWithIndex(Relation relation, Oid indexId, AttrNumber oidcolumn)

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

int errcode(int sqlerrcode)

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

#define ereport(elevel,...)

#define DirectFunctionCall1(func, arg1)

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

void heap_freetuple(HeapTuple htup)

void CatalogTupleInsert(Relation heapRel, HeapTuple tup)

Datum namein(PG_FUNCTION_ARGS)

#define InvokeObjectPostCreateHook(classId, objectId, subId)

void recordDependencyOn(const ObjectAddress *depender, const ObjectAddress *referenced, DependencyType behavior)

void recordDependencyOnCurrentExtension(const ObjectAddress *object, bool isReplace)

static Datum ObjectIdGetDatum(Oid X)

static Datum CStringGetDatum(const char *X)

static Datum CharGetDatum(char X)

#define RelationGetDescr(relation)

#define ERRCODE_DUPLICATE_OBJECT

#define GetSysCacheOid1(cacheId, oidcol, key1)

void table_close(Relation relation, LOCKMODE lockmode)

Relation table_open(Oid relationId, LOCKMODE lockmode)

References CatalogTupleInsert(), CharGetDatum(), ObjectAddress::classId, CStringGetDatum(), DEPENDENCY_NORMAL, DirectFunctionCall1, ereport, errcode(), ERRCODE_DUPLICATE_OBJECT, errhint(), errmsg(), ERROR, GetNewOidWithIndex(), GetSysCacheOid1, heap_form_tuple(), heap_freetuple(), InvokeObjectPostCreateHook, lookup_am_handler_func(), namein(), ObjectAddress::objectId, ObjectIdGetDatum(), ObjectAddress::objectSubId, OidIsValid, recordDependencyOn(), recordDependencyOnCurrentExtension(), RelationGetDescr, RowExclusiveLock, stmt, superuser(), table_close(), table_open(), and values.

Referenced by ProcessUtilitySlow().

◆ get_am_name()

Definition at line 192 of file amcmds.c.

193{

195 char *result = NULL;

196

199 {

201

204 }

205 return result;

206}

#define HeapTupleIsValid(tuple)

static void * GETSTRUCT(const HeapTupleData *tuple)

char * pstrdup(const char *in)

FormData_pg_am * Form_pg_am

void ReleaseSysCache(HeapTuple tuple)

HeapTuple SearchSysCache1(int cacheId, Datum key1)

References GETSTRUCT(), HeapTupleIsValid, NameStr, ObjectIdGetDatum(), pstrdup(), ReleaseSysCache(), and SearchSysCache1().

Referenced by assignOperTypes(), ATAddForeignKeyConstraint(), DefineIndex(), getObjectIdentityParts(), GetOperatorFromCompareType(), IsThereOpClassInNamespace(), and IsThereOpFamilyInNamespace().

◆ get_am_oid()

◆ get_am_type_oid()

Definition at line 129 of file amcmds.c.

130{

133

136 {

138

139 if (amtype != '\0' &&

140 amform->amtype != amtype)

142 (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE),

143 errmsg("access method \"%s\" is not of type %s",

146

147 oid = amform->oid;

149 }

150

153 (errcode(ERRCODE_UNDEFINED_OBJECT),

154 errmsg("access method \"%s\" does not exist", amname)));

155 return oid;

156}

static const char * get_am_type_string(char amtype)

References CStringGetDatum(), ereport, errcode(), errmsg(), ERROR, get_am_type_string(), GETSTRUCT(), HeapTupleIsValid, InvalidOid, NameStr, OidIsValid, ReleaseSysCache(), and SearchSysCache1().

Referenced by get_am_oid(), get_index_am_oid(), and get_table_am_oid().

◆ get_am_type_string()

Definition at line 212 of file amcmds.c.

213{

214 switch (amtype)

215 {

216 case AMTYPE_INDEX:

217 return "INDEX";

218 case AMTYPE_TABLE:

219 return "TABLE";

220 default:

221

222 elog(ERROR, "invalid access method type '%c'", amtype);

223 return NULL;

224 }

225}

References elog, and ERROR.

Referenced by get_am_type_oid().

◆ get_index_am_oid()

◆ get_table_am_oid()

◆ lookup_am_handler_func()

Definition at line 234 of file amcmds.c.

235{

236 Oid handlerOid;

237 Oid funcargtypes[1] = {INTERNALOID};

239

240 if (handler_name == NIL)

242 (errcode(ERRCODE_UNDEFINED_FUNCTION),

243 errmsg("handler function is not specified")));

244

245

246 handlerOid = LookupFuncName(handler_name, 1, funcargtypes, false);

247

248

249 switch (amtype)

250 {

251 case AMTYPE_INDEX:

252 expectedType = INDEX_AM_HANDLEROID;

253 break;

254 case AMTYPE_TABLE:

255 expectedType = TABLE_AM_HANDLEROID;

256 break;

257 default:

258 elog(ERROR, "unrecognized access method type \"%c\"", amtype);

259 }

260

263 (errcode(ERRCODE_WRONG_OBJECT_TYPE),

264 errmsg("function %s must return type %s",

267

268 return handlerOid;

269}

char * format_type_extended(Oid type_oid, int32 typemod, bits16 flags)

char * get_func_name(Oid funcid)

Oid get_func_rettype(Oid funcid)

Oid LookupFuncName(List *funcname, int nargs, const Oid *argtypes, bool missing_ok)

References elog, ereport, errcode(), errmsg(), ERROR, format_type_extended(), get_func_name(), get_func_rettype(), InvalidOid, LookupFuncName(), and NIL.

Referenced by CreateAccessMethod().