pgsql: Avoid scribbling on original parsetree during DECLARE CURSOR.

Started by Tom Laneover 21 years ago1 messagescomitters
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#1Tom Lane
tgl@sss.pgh.pa.us

Log Message:
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Avoid scribbling on original parsetree during DECLARE CURSOR. This
prevents problems when the DECLARE is in a portal and is executed
repeatedly, as is possible in v3 protocol. Per analysis by Oliver
Jowett, though I didn't use his patch exactly.

Tags:
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REL7_4_STABLE

Modified Files:
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pgsql/src/backend/commands:
portalcmds.c (r1.24 -> r1.24.2.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/portalcmds.c.diff?r1=1.24&r2=1.24.2.1)