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information_schema.constraint_column_usage and key_column_usage should

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not discriminate against system columns, since we support constraints on
system columns, and in fact constraints on OID are moderately useful.
This commit is contained in:
Tom Lane 2003-12-17 22:11:42 +00:00
parent 1ba505dce1
commit 1e2883a115
1 changed files with 1 additions and 4 deletions
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5
src/backend/catalog/information_schema.sql
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@ -4,7 +4,7 @@
*
* Copyright 2003, PostgreSQL Global Development Group
*
* $Id: information_schema.sql,v 1.15.2.4 2003/12/16 14:56:34 petere Exp $
* $Id: information_schema.sql,v 1.15.2.5 2003/12/17 22:11:42 tgl Exp $
*/
/*
@ -434,7 +434,6 @@ CREATE VIEW constraint_column_usage AS
AND c.connamespace = nc.oid
AND c.contype = 'c'
AND r.relkind = 'r'
AND a.attnum > 0
AND NOT a.attisdropped
UNION ALL
@ -448,7 +447,6 @@ CREATE VIEW constraint_column_usage AS
AND nc.oid = c.connamespace
AND (CASE WHEN c.contype = 'f' THEN r.oid = c.confrelid AND c.confkey[pos.n] = a.attnum
ELSE r.oid = c.conrelid AND c.conkey[pos.n] = a.attnum END)
AND a.attnum > 0
AND NOT a.attisdropped
AND c.contype IN ('p', 'u', 'f')
AND r.relkind = 'r'
@ -683,7 +681,6 @@ CREATE VIEW key_column_usage AS
AND r.oid = c.conrelid
AND nc.oid = c.connamespace
AND c.conkey[pos.n] = a.attnum
AND a.attnum > 0
AND NOT a.attisdropped
AND c.contype IN ('p', 'u', 'f')
AND r.relkind = 'r'