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First phase of work on array improvements. ARRAY[x,y,z] constructor

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expressions, ARRAY(sub-SELECT) expressions, some array functions.
Polymorphic functions using ANYARRAY/ANYELEMENT argument and return
types.  Some regression tests in place, documentation is lacking.
Joe Conway, with some kibitzing from Tom Lane.
This commit is contained in:
Tom Lane
2003-04-08 23:20:04 +00:00
parent 6fb5115850
commit 730840c9b6
47 changed files with 2597 additions and 479 deletions
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11
src/include/parser/parse_coerce.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_coerce.h,v 1.49 2003/02/03 21:15:44 tgl Exp $
* $Id: parse_coerce.h,v 1.50 2003/04/08 23:20:04 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -21,6 +21,7 @@ typedef enum CATEGORY
{
INVALID_TYPE,
UNKNOWN_TYPE,
GENERIC_TYPE,
BOOLEAN_TYPE,
STRING_TYPE,
BITSTRING_TYPE,
@@ -54,6 +55,14 @@ extern Oid select_common_type(List *typeids, const char *context);
extern Node *coerce_to_common_type(Node *node, Oid targetTypeId,
const char *context);
extern bool check_generic_type_consistency(Oid *actual_arg_types,
Oid *declared_arg_types,
int nargs);
extern Oid enforce_generic_type_consistency(Oid *actual_arg_types,
Oid *declared_arg_types,
int nargs,
Oid rettype);
extern bool find_coercion_pathway(Oid targetTypeId, Oid sourceTypeId,
CoercionContext ccontext,
Oid *funcid);