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authorTom Lane <tgl@sss.pgh.pa.us>2002-08-26 17:54:02 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2002-08-26 17:54:02 +0000
commit5cabcfccce4b8b826c9b30828f3012b7926a6946 (patch)
tree3e14c0710a45b4195734dd3189eb89eac4969073 /src/backend/nodes/outfuncs.c
parent8009c275925dda90f1275ba70f5c2a63abaa520b (diff)
downloadpostgresql-5cabcfccce4b8b826c9b30828f3012b7926a6946.tar.gz
Modify array operations to include array's element type OID in the
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.
Diffstat (limited to 'src/backend/nodes/outfuncs.c')
-rw-r--r--src/backend/nodes/outfuncs.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index 1a610b7c7c..3a40775339 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -5,7 +5,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.168 2002/08/19 15:08:46 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.169 2002/08/26 17:53:58 tgl Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@@ -831,16 +831,18 @@ static void
_outArrayRef(StringInfo str, ArrayRef *node)
{
appendStringInfo(str,
- " ARRAYREF :refelemtype %u :refattrlength %d :refelemlength %d ",
- node->refelemtype,
+ " ARRAYREF :refrestype %u :refattrlength %d :refelemlength %d ",
+ node->refrestype,
node->refattrlength,
node->refelemlength);
- appendStringInfo(str, " :refelembyval %c :refupperindex ",
- node->refelembyval ? 't' : 'f');
+ appendStringInfo(str,
+ ":refelembyval %s :refelemalign %c :refupperindexpr ",
+ booltostr(node->refelembyval),
+ node->refelemalign);
_outNode(str, node->refupperindexpr);
- appendStringInfo(str, " :reflowerindex ");
+ appendStringInfo(str, " :reflowerindexpr ");
_outNode(str, node->reflowerindexpr);
appendStringInfo(str, " :refexpr ");