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@ -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 1.2 1996/08/19 13:32:07 scrappy Exp $ |
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* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.3 1996/08/26 06:29:32 scrappy Exp $ |
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* |
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* |
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* INTERFACE ROUTINES |
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@ -86,6 +86,7 @@ static Oid RelationNameGetObjectId(char *relationName, Relation pg_class, |
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static Oid GetHeapRelationOid(char *heapRelationName, char *indexRelationName); |
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static TupleDesc BuildFuncTupleDesc(FuncIndexInfo *funcInfo); |
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static TupleDesc ConstructTupleDescriptor(Oid heapoid, Relation heapRelation, |
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TypeName *IndexKeyType, |
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int numatts, AttrNumber attNums[]); |
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static void ConstructIndexReldesc(Relation indexRelation, Oid amoid); |
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@ -97,7 +98,8 @@ static void |
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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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AttrNumber attNums[], Oid classOids[], Node *predicate, |
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TypeName *indexKeyType, bool islossy); |
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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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@ -341,6 +343,7 @@ BuildFuncTupleDesc(FuncIndexInfo *funcInfo) |
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static TupleDesc |
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ConstructTupleDescriptor(Oid heapoid, |
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Relation heapRelation, |
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TypeName *IndexKeyType, |
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int numatts, |
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AttrNumber attNums[]) |
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{ |
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@ -424,7 +427,28 @@ ConstructTupleDescriptor(Oid heapoid, |
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to = (char *) (indexTupDesc->attrs[ i ]); |
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memcpy(to, from, ATTRIBUTE_TUPLE_SIZE); |
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/* if the keytype is defined, we need to change the tuple form's
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atttypid & attlen field to match that of the key's type */ |
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if (IndexKeyType != NULL) { |
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HeapTuple tup; |
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tup = SearchSysCacheTuple(TYPNAME, |
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PointerGetDatum(IndexKeyType->name), |
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0,0,0); |
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if(!HeapTupleIsValid(tup)) |
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elog(WARN, "create index: type '%s' undefined", |
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IndexKeyType->name); |
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((AttributeTupleForm) to)->atttypid = tup->t_oid; |
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((AttributeTupleForm) to)->attbyval =
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((TypeTupleForm) ((char *)tup + tup->t_hoff))->typbyval; |
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if (IndexKeyType->typlen > 0) |
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((AttributeTupleForm) to)->attlen = IndexKeyType->typlen; |
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else ((AttributeTupleForm) to)->attlen =
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((TypeTupleForm) ((char *)tup + tup->t_hoff))->typlen; |
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} |
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/* ----------------
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* now we have to drop in the proper relation descriptor |
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* into the copied tuple form's attrelid and we should be |
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@ -734,7 +758,9 @@ UpdateIndexRelation(Oid indexoid, |
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int natts, |
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AttrNumber attNums[], |
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Oid classOids[], |
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Node *predicate) |
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Node *predicate, |
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TypeName *indexKeyType, |
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bool islossy) |
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{ |
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IndexTupleForm indexForm; |
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char *predString; |
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@ -770,6 +796,11 @@ UpdateIndexRelation(Oid indexoid, |
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indexForm->indexrelid = indexoid; |
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indexForm->indproc = (PointerIsValid(funcInfo)) ? |
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FIgetProcOid(funcInfo) : InvalidOid; |
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indexForm->indislossy = islossy; |
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if (indexKeyType != NULL) |
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indexForm->indhaskeytype = 1; |
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else |
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indexForm->indhaskeytype = 0; |
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memset((char *)& indexForm->indkey[0], 0, sizeof indexForm->indkey); |
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memset((char *)& indexForm->indclass[0], 0, sizeof indexForm->indclass); |
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@ -987,13 +1018,15 @@ void |
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index_create(char *heapRelationName, |
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char *indexRelationName, |
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FuncIndexInfo *funcInfo, |
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TypeName *IndexKeyType, |
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Oid accessMethodObjectId, |
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int numatts, |
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AttrNumber attNums[], |
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Oid classObjectId[], |
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uint16 parameterCount, |
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Datum *parameter, |
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Node *predicate) |
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Node *predicate, |
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bool islossy) |
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{ |
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Relation heapRelation; |
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Relation indexRelation; |
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@ -1034,6 +1067,7 @@ index_create(char *heapRelationName, |
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else |
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indexTupDesc = ConstructTupleDescriptor(heapoid, |
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heapRelation, |
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IndexKeyType, |
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numatts, |
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attNums); |
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@ -1105,7 +1139,8 @@ index_create(char *heapRelationName, |
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* ---------------- |
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*/ |
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UpdateIndexRelation(indexoid, heapoid, funcInfo, |
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numatts, attNums, classObjectId, predicate); |
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numatts, attNums, classObjectId, predicate, |
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IndexKeyType, islossy); |
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predInfo = (PredInfo*)palloc(sizeof(PredInfo)); |
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predInfo->pred = predicate; |
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@ -1568,7 +1603,8 @@ DefaultBuild(Relation heapRelation, |
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indexTuple->t_tid = heapTuple->t_ctid; |
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insertResult = index_insert(indexRelation, indexTuple); |
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insertResult = index_insert(indexRelation, datum, nullv,
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&(heapTuple->t_ctid)); |
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if (insertResult) pfree(insertResult); |
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pfree(indexTuple); |
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Marc G. Fournier
29 years ago