mirror of https://github.com/postgres/postgres
Make functional index copy attstorage from the column data type, rather
than forcing 'plain'. This probably does not matter right now, but I think it needs to be consistent with the regular (not-functional) index case, where attstorage is copied from the underlying table. Clean up some other dead and infelicitous code too.
This commit is contained in:
Tom Lane
parent
c654c69c05
commit
997ee51631
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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/index.c,v 1.136 2001/01/23 04:32:21 tgl Exp $
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* $Header: /cvsroot/pgsql/src/backend/catalog/index.c,v 1.137 2001/01/24 00:06:07 tgl Exp $
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*
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*
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* INTERFACE ROUTINES
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@ -62,7 +62,7 @@
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static Oid GetHeapRelationOid(char *heapRelationName, char *indexRelationName,
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bool istemp);
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static TupleDesc BuildFuncTupleDesc(Oid funcOid);
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static TupleDesc ConstructTupleDescriptor(Oid heapoid, Relation heapRelation,
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static TupleDesc ConstructTupleDescriptor(Relation heapRelation,
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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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@ -166,7 +166,7 @@ BuildFuncTupleDesc(Oid funcOid)
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Oid retType;
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/*
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* Allocate and zero a tuple descriptor.
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* Allocate and zero a tuple descriptor for a one-column tuple.
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*/
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funcTupDesc = CreateTemplateTupleDesc(1);
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funcTupDesc->attrs[0] = (Form_pg_attribute) palloc(ATTRIBUTE_TUPLE_SIZE);
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@ -208,7 +208,7 @@ BuildFuncTupleDesc(Oid funcOid)
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funcTupDesc->attrs[0]->attbyval = ((Form_pg_type) GETSTRUCT(tuple))->typbyval;
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funcTupDesc->attrs[0]->attcacheoff = -1;
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funcTupDesc->attrs[0]->atttypmod = -1;
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funcTupDesc->attrs[0]->attstorage = 'p';
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funcTupDesc->attrs[0]->attstorage = ((Form_pg_type) GETSTRUCT(tuple))->typstorage;
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funcTupDesc->attrs[0]->attalign = ((Form_pg_type) GETSTRUCT(tuple))->typalign;
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ReleaseSysCache(tuple);
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@ -223,8 +223,7 @@ BuildFuncTupleDesc(Oid funcOid)
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* ----------------------------------------------------------------
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*/
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static TupleDesc
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ConstructTupleDescriptor(Oid heapoid,
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Relation heapRelation,
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ConstructTupleDescriptor(Relation heapRelation,
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int numatts,
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AttrNumber *attNums)
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{
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@ -253,25 +252,16 @@ ConstructTupleDescriptor(Oid heapoid,
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{
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AttrNumber atnum; /* attributeNumber[attributeOffset] */
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AttrNumber atind;
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char *from; /* used to simplify memcpy below */
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char *to; /* used to simplify memcpy below */
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Form_pg_attribute from;
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Form_pg_attribute to;
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/* ----------------
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* get the attribute number and make sure it's valid
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* get the attribute number and make sure it's valid;
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* determine which attribute descriptor to copy
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* ----------------
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*/
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atnum = attNums[i];
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if (atnum > natts)
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elog(ERROR, "Cannot create index: attribute %d does not exist",
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atnum);
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indexTupDesc->attrs[i] =
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(Form_pg_attribute) palloc(ATTRIBUTE_TUPLE_SIZE);
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/* ----------------
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* determine which tuple descriptor to copy
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* ----------------
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*/
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if (!AttrNumberIsForUserDefinedAttr(atnum))
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{
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/* ----------------
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@ -285,7 +275,7 @@ ConstructTupleDescriptor(Oid heapoid,
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elog(ERROR, "Cannot create index on system attribute: attribute number out of range (%d)", atnum);
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atind = (-atnum) - 1;
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from = (char *) (&sysatts[atind]);
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from = &sysatts[atind];
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}
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else
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{
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@ -293,9 +283,12 @@ ConstructTupleDescriptor(Oid heapoid,
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* here we are indexing on a normal attribute (1...n)
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* ----------------
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*/
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if (atnum > natts)
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elog(ERROR, "Cannot create index: attribute %d does not exist",
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atnum);
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atind = AttrNumberGetAttrOffset(atnum);
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from = (char *) (heapTupDesc->attrs[atind]);
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from = heapTupDesc->attrs[atind];
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}
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/* ----------------
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@ -303,26 +296,26 @@ ConstructTupleDescriptor(Oid heapoid,
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* the tuple desc data...
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* ----------------
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*/
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to = (char *) (indexTupDesc->attrs[i]);
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indexTupDesc->attrs[i] = to =
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(Form_pg_attribute) palloc(ATTRIBUTE_TUPLE_SIZE);
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memcpy(to, from, ATTRIBUTE_TUPLE_SIZE);
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/*
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* Fix the stuff that should not be the same as the underlying attr
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*/
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((Form_pg_attribute) to)->attnum = i + 1;
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to->attnum = i + 1;
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((Form_pg_attribute) to)->attdispersion = 0.0;
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((Form_pg_attribute) to)->attnotnull = false;
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((Form_pg_attribute) to)->atthasdef = false;
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((Form_pg_attribute) to)->attcacheoff = -1;
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to->attdispersion = 0.0;
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to->attnotnull = false;
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to->atthasdef = false;
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to->attcacheoff = -1;
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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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* all set.
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* ----------------
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/*
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* We do not yet have the correct relation OID for the index,
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* so just set it invalid for now. InitializeAttributeOids()
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* will fix it later.
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*/
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((Form_pg_attribute) to)->attrelid = heapoid;
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to->attrelid = InvalidOid;
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}
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return indexTupDesc;
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@ -916,8 +909,7 @@ index_create(char *heapRelationName,
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if (OidIsValid(indexInfo->ii_FuncOid))
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indexTupDesc = BuildFuncTupleDesc(indexInfo->ii_FuncOid);
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else
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indexTupDesc = ConstructTupleDescriptor(heapoid,
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heapRelation,
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indexTupDesc = ConstructTupleDescriptor(heapRelation,
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indexInfo->ii_NumKeyAttrs,
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indexInfo->ii_KeyAttrNumbers);
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