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Modify array operations to include array's element type OID in the

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array header, and to compute sizing and alignment of array elements
the same way normal tuple access operations do --- viz, using the
tupmacs.h macros att_addlength and att_align.  This makes the world
safe for arrays of cstrings or intervals, and should make it much
easier to write array-type-polymorphic functions; as examples see
the cleanups of array_out and contrib/array_iterator.  By Joe Conway
and Tom Lane.
This commit is contained in:
Tom Lane
2002-08-26 17:54:02 +00:00
parent 8009c27592
commit 5cabcfccce
38 changed files with 559 additions and 435 deletions
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4
src/backend/parser/parse_expr.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.125 2002/08/08 01:44:30 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.126 2002/08/26 17:53:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -877,7 +877,7 @@ exprType(Node *expr)
type = ((Const *) expr)->consttype;
break;
case T_ArrayRef:
type = ((ArrayRef *) expr)->refelemtype;
type = ((ArrayRef *) expr)->refrestype;
break;
case T_Aggref:
type = ((Aggref *) expr)->aggtype;