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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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22
src/backend/nodes/equalfuncs.c
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@@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.190 2003/03/20 07:02:08 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.191 2003/04/08 23:20:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -212,10 +212,8 @@ static bool
_equalArrayRef(ArrayRef *a, ArrayRef *b)
{
COMPARE_SCALAR_FIELD(refrestype);
COMPARE_SCALAR_FIELD(refattrlength);
COMPARE_SCALAR_FIELD(refelemlength);
COMPARE_SCALAR_FIELD(refelembyval);
COMPARE_SCALAR_FIELD(refelemalign);
COMPARE_SCALAR_FIELD(refarraytype);
COMPARE_SCALAR_FIELD(refelemtype);
COMPARE_NODE_FIELD(refupperindexpr);
COMPARE_NODE_FIELD(reflowerindexpr);
COMPARE_NODE_FIELD(refexpr);
@@ -378,6 +376,17 @@ _equalCaseWhen(CaseWhen *a, CaseWhen *b)
return true;
}
static bool
_equalArrayExpr(ArrayExpr *a, ArrayExpr *b)
{
COMPARE_SCALAR_FIELD(array_typeid);
COMPARE_SCALAR_FIELD(element_typeid);
COMPARE_NODE_FIELD(elements);
COMPARE_SCALAR_FIELD(ndims);
return true;
}
static bool
_equalCoalesceExpr(CoalesceExpr *a, CoalesceExpr *b)
{
@@ -1661,6 +1670,9 @@ equal(void *a, void *b)
case T_CaseWhen:
retval = _equalCaseWhen(a, b);
break;
case T_ArrayExpr:
retval = _equalArrayExpr(a, b);
break;
case T_CoalesceExpr:
retval = _equalCoalesceExpr(a, b);
break;