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https://github.com/postgres/postgres.git
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Allow indexes on system catalogs for use in cache code.
Thanks to Hiroshi
This commit is contained in:
Bruce Momjian
@@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.92 1999/10/26 03:12:33 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.93 1999/11/01 02:29:24 momjian Exp $
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*
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*
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* INTERFACE ROUTINES
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@@ -54,26 +54,23 @@
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/* non-export function prototypes */
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static Oid GetHeapRelationOid(char *heapRelationName, char *indexRelationName,
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bool istemp);
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bool istemp);
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static TupleDesc BuildFuncTupleDesc(FuncIndexInfo *funcInfo);
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static TupleDesc ConstructTupleDescriptor(Oid heapoid, Relation heapRelation,
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List *attributeList,
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int numatts, AttrNumber *attNums);
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List *attributeList, int numatts, AttrNumber *attNums);
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static void ConstructIndexReldesc(Relation indexRelation, Oid amoid);
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static Oid UpdateRelationRelation(Relation indexRelation, char *temp_relname);
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static void InitializeAttributeOids(Relation indexRelation,
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int numatts,
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Oid indexoid);
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static void
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AppendAttributeTuples(Relation indexRelation, int numatts);
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int numatts, Oid indexoid);
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static void AppendAttributeTuples(Relation indexRelation, int numatts);
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static void UpdateIndexRelation(Oid indexoid, Oid heapoid,
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FuncIndexInfo *funcInfo, int natts,
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AttrNumber *attNums, Oid *classOids, Node *predicate,
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List *attributeList, bool islossy, bool unique, bool primary);
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FuncIndexInfo *funcInfo, int natts,
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AttrNumber *attNums, Oid *classOids, Node *predicate,
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List *attributeList, bool islossy, bool unique, bool primary);
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static void DefaultBuild(Relation heapRelation, Relation indexRelation,
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int numberOfAttributes, AttrNumber *attributeNumber,
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IndexStrategy indexStrategy, uint16 parameterCount,
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int numberOfAttributes, AttrNumber *attributeNumber,
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IndexStrategy indexStrategy, uint16 parameterCount,
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Datum *parameter, FuncIndexInfoPtr funcInfo, PredInfo *predInfo);
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/* ----------------------------------------------------------------
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@@ -661,6 +658,7 @@ UpdateIndexRelation(Oid indexoid,
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Relation pg_index;
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HeapTuple tuple;
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int i;
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Relation idescs[Num_pg_index_indices];
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/* ----------------
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* allocate an Form_pg_index big enough to hold the
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@@ -752,6 +750,16 @@ UpdateIndexRelation(Oid indexoid,
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*/
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heap_insert(pg_index, tuple);
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/* ----------------
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* insert the index tuple into the pg_index
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* ----------------
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*/
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if (!IsBootstrapProcessingMode())
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{
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CatalogOpenIndices(Num_pg_index_indices, Name_pg_index_indices, idescs);
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CatalogIndexInsert(idescs, Num_pg_index_indices, pg_index, tuple);
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CatalogCloseIndices(Num_pg_index_indices, idescs);
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}
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/* ----------------
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* close the relation and free the tuple
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* ----------------
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@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.48 1999/10/15 01:49:39 momjian Exp $
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* $Header: /cvsroot/pgsql/src/backend/catalog/indexing.c,v 1.49 1999/11/01 02:29:25 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@@ -38,15 +38,17 @@
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* pg_trigger
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*/
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char *Name_pg_amop_indices[Num_pg_amop_indices] = {AccessMethodOpidIndex,
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AccessMethodStrategyIndex};
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char *Name_pg_attr_indices[Num_pg_attr_indices] = {AttributeNameIndex,
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AttributeNumIndex,
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AttributeRelidIndex};
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AttributeNumIndex, AttributeRelidIndex};
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char *Name_pg_index_indices[Num_pg_index_indices] = {IndexRelidIndex};
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char *Name_pg_proc_indices[Num_pg_proc_indices] = {ProcedureNameIndex,
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ProcedureOidIndex};
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ProcedureOidIndex};
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char *Name_pg_type_indices[Num_pg_type_indices] = {TypeNameIndex,
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TypeOidIndex};
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TypeOidIndex};
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char *Name_pg_class_indices[Num_pg_class_indices] = {ClassNameIndex,
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ClassOidIndex};
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ClassOidIndex};
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char *Name_pg_attrdef_indices[Num_pg_attrdef_indices] = {AttrDefaultIndex};
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char *Name_pg_relcheck_indices[Num_pg_relcheck_indices] = {RelCheckIndex};
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@@ -255,12 +257,89 @@ CatalogIndexFetchTuple(Relation heapRelation,
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}
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/*---------------------------------------------------------------------
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* Class-specific index lookups
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*---------------------------------------------------------------------
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*/
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/*
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* The remainder of the file is for individual index scan routines. Each
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* index should be scanned according to how it was defined during bootstrap
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* (that is, functional or normal) and what arguments the cache lookup
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* requires. Each routine returns the heap tuple that qualifies.
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*/
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HeapTuple
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AccessMethodOpidIndexScan(Relation heapRelation,
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Oid claid,
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Oid opopr,
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Oid opid)
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{
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Relation idesc;
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ScanKeyData skey[3];
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HeapTuple tuple;
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ScanKeyEntryInitialize(&skey[0],
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(bits16) 0x0,
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(AttrNumber) 1,
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(RegProcedure) F_OIDEQ,
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ObjectIdGetDatum(claid));
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ScanKeyEntryInitialize(&skey[1],
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(bits16) 0x0,
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(AttrNumber) 2,
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(RegProcedure) F_OIDEQ,
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ObjectIdGetDatum(opopr));
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ScanKeyEntryInitialize(&skey[2],
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(bits16) 0x0,
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(AttrNumber) 3,
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(RegProcedure) F_OIDEQ,
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ObjectIdGetDatum(opid));
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idesc = index_openr(AccessMethodOpidIndex);
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tuple = CatalogIndexFetchTuple(heapRelation, idesc, skey, 3);
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index_close(idesc);
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return tuple;
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}
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HeapTuple
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AccessMethodStrategyIndexScan(Relation heapRelation,
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Oid opid,
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Oid claid,
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int2 opstrategy)
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{
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Relation idesc;
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ScanKeyData skey[3];
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HeapTuple tuple;
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ScanKeyEntryInitialize(&skey[0],
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(bits16) 0x0,
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(AttrNumber) 1,
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(RegProcedure) F_OIDEQ,
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ObjectIdGetDatum(opid));
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ScanKeyEntryInitialize(&skey[1],
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(bits16) 0x0,
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(AttrNumber) 2,
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(RegProcedure) F_OIDEQ,
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ObjectIdGetDatum(claid));
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ScanKeyEntryInitialize(&skey[2],
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(bits16) 0x0,
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(AttrNumber) 3,
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(RegProcedure) F_INT2EQ,
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Int16GetDatum(opstrategy));
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idesc = index_openr(AccessMethodStrategyIndex);
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tuple = CatalogIndexFetchTuple(heapRelation, idesc, skey, 3);
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index_close(idesc);
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return tuple;
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}
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HeapTuple
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AttributeNameIndexScan(Relation heapRelation,
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Oid relid,
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@@ -320,6 +399,28 @@ AttributeNumIndexScan(Relation heapRelation,
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return tuple;
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}
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HeapTuple
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IndexRelidIndexScan(Relation heapRelation, Oid relid)
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{
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Relation idesc;
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ScanKeyData skey[1];
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HeapTuple tuple;
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ScanKeyEntryInitialize(&skey[0],
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(bits16) 0x0,
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(AttrNumber) 1,
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(RegProcedure) F_OIDEQ,
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ObjectIdGetDatum(relid));
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idesc = index_openr(IndexRelidIndex);
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tuple = CatalogIndexFetchTuple(heapRelation, idesc, skey, 1);
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index_close(idesc);
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return tuple;
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}
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HeapTuple
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ProcedureOidIndexScan(Relation heapRelation, Oid procId)
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