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Add support for the CASE statement in the rewrite handling.

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Allows (at least some) rules and views.
Still some trouble (crashes) with target CASE columns spanning tables,
 but lots now works.
This commit is contained in:
Thomas G. Lockhart
1998-12-14 00:02:17 +00:00
parent 2b189aa953
commit 4140c2f30e
6 changed files with 250 additions and 13 deletions
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4
src/backend/nodes/outfuncs.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.49 1998/12/04 15:33:33 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.50 1998/12/14 00:01:47 thomas Exp $
*
* NOTES
* Every (plan) node in POSTGRES has an associated "out" routine which
@@ -1702,7 +1702,7 @@ _outCaseWhen(StringInfo str, CaseWhen *node)
{
char buf[500];
sprintf(buf, " :when ");
sprintf(buf, " WHEN ");
appendStringInfo(str, buf);
_outNode(str, node->expr);
sprintf(buf, " :then ");