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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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2
contrib/ltree/_ltree_gist.c
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@ -59,7 +59,7 @@ _ltree_compress(PG_FUNCTION_ARGS) {
if ( entry->leafkey ) { /* ltree */
ltree_gist *key;
ArrayType *val = (ArrayType*)DatumGetPointer(PG_DETOAST_DATUM(entry->key));
ArrayType *val = DatumGetArrayTypeP(entry->key);
int4 len = LTG_HDRSIZE + ASIGLEN;
int num=ArrayGetNItems( ARR_NDIM(val), ARR_DIMS(val) );
ltree *item = (ltree*)ARR_DATA_PTR(val);