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Per-column collation support

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This adds collation support for columns and domains, a COLLATE clause
to override it per expression, and B-tree index support.

Peter Eisentraut
reviewed by Pavel Stehule, Itagaki Takahiro, Robert Haas, Noah Misch
This commit is contained in:
Peter Eisentraut
2011-02-08 23:04:18 +02:00
parent 1703f0e8da
commit 414c5a2ea6
156 changed files with 4519 additions and 582 deletions
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9
src/backend/parser/parse_utilcmd.c
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@ -627,7 +627,8 @@ transformInhRelation(CreateStmtContext *cxt, InhRelation *inhRelation)
def = makeNode(ColumnDef);
def->colname = pstrdup(attributeName);
def->typeName = makeTypeNameFromOid(attribute->atttypid,
attribute->atttypmod);
attribute->atttypmod,
attribute->attcollation);
def->inhcount = 0;
def->is_local = true;
def->is_not_null = attribute->attnotnull;
@ -821,7 +822,7 @@ transformOfType(CreateStmtContext *cxt, TypeName *ofTypename)
AssertArg(ofTypename);
tuple = typenameType(NULL, ofTypename, NULL);
tuple = typenameType(NULL, ofTypename, NULL, NULL);
typ = (Form_pg_type) GETSTRUCT(tuple);
ofTypeId = HeapTupleGetOid(tuple);
ofTypename->typeOid = ofTypeId; /* cached for later */
@ -842,7 +843,7 @@ transformOfType(CreateStmtContext *cxt, TypeName *ofTypename)
continue;
n->colname = pstrdup(NameStr(attr->attname));
n->typeName = makeTypeNameFromOid(attr->atttypid, attr->atttypmod);
n->typeName = makeTypeNameFromOid(attr->atttypid, attr->atttypmod, attr->attcollation);
n->constraints = NULL;
n->is_local = true;
n->is_from_type = true;
@ -2446,7 +2447,7 @@ transformColumnType(CreateStmtContext *cxt, ColumnDef *column)
/*
* All we really need to do here is verify that the type is valid.
*/
Type ctype = typenameType(cxt->pstate, column->typeName, NULL);
Type ctype = typenameType(cxt->pstate, column->typeName, NULL, NULL);
ReleaseSysCache(ctype);
}