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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/utils/adt/ruleutils.c
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@ -3,7 +3,7 @@
* back to source text
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.117 2002/08/18 09:36:25 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/ruleutils.c,v 1.118 2002/08/26 17:53:58 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -725,7 +725,7 @@ decompile_column_index_array(Datum column_index_array, Oid relId,
/* Extract data from array of int16 */
deconstruct_array(DatumGetArrayTypeP(column_index_array),
true, 2, 's',
INT2OID, 2, true, 's',
&keys, &nKeys);
for (j = 0; j < nKeys; j++)