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authorTom Lane <tgl@sss.pgh.pa.us>2006-08-10 02:36:29 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2006-08-10 02:36:29 +0000
commit0ee26100b64702f2fb4cd65c6dfdfb8f31e88130 (patch)
treea10c4a1937f8707bc94950216ee8fdb4f0a61fe8 /src/include/nodes/parsenodes.h
parente860e746e15a6c3bc26d7e337162a22e403f5a79 (diff)
downloadpostgresql-0ee26100b64702f2fb4cd65c6dfdfb8f31e88130.tar.gz
postgresql-0ee26100b64702f2fb4cd65c6dfdfb8f31e88130.zip
Fix UNION/INTERSECT/EXCEPT so that when two inputs being merged have
same data type and same typmod, we show that typmod as the output typmod, rather than generic -1. This responds to several complaints over the past few years about UNIONs unexpectedly dropping length or precision info.
Diffstat (limited to 'src/include/nodes/parsenodes.h')
-rw-r--r--src/include/nodes/parsenodes.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h
index d0fa16ff51c..e2567ff8e44 100644
--- a/src/include/nodes/parsenodes.h
+++ b/src/include/nodes/parsenodes.h
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.320 2006/08/02 01:59:47 joe Exp $
+ * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.321 2006/08/10 02:36:29 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -769,7 +769,8 @@ typedef struct SetOperationStmt
/* Eventually add fields for CORRESPONDING spec here */
/* Fields derived during parse analysis: */
- List *colTypes; /* list of OIDs of output column types */
+ List *colTypes; /* OID list of output column type OIDs */
+ List *colTypmods; /* integer list of output column typmods */
} SetOperationStmt;