From 773fd19acd4e4366e40f35e651bb65e81972daf7 Mon Sep 17 00:00:00 2001 From: "Thomas G. Lockhart" Date: Sat, 9 Mar 2002 17:41:04 +0000 Subject: [PATCH] Guard against NULL strings in SET key=val constructs. Problem noted by Fernando Nasser. --- src/backend/parser/gram.y | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index 860ab61182..e697819264 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -790,14 +790,16 @@ VariableSetStmt: SET ColId TO var_value { VariableSetStmt *n = makeNode(VariableSetStmt); n->name = $2; - n->args = makeList1(makeStringConst($4, NULL)); + if ($4 != NULL) + n->args = makeList1(makeStringConst($4, NULL)); $$ = (Node *) n; } | SET ColId '=' var_value { VariableSetStmt *n = makeNode(VariableSetStmt); n->name = $2; - n->args = makeList1(makeStringConst($4, NULL)); + if ($4 != NULL) + n->args = makeList1(makeStringConst($4, NULL)); $$ = (Node *) n; } | SET TIME ZONE zone_value @@ -826,7 +828,8 @@ VariableSetStmt: SET ColId TO var_value { VariableSetStmt *n = makeNode(VariableSetStmt); n->name = "client_encoding"; - n->args = makeList1(makeStringConst($3, NULL)); + if ($3 != NULL) + n->args = makeList1(makeStringConst($3, NULL)); $$ = (Node *) n; } | SET SESSION AUTHORIZATION ColId_or_Sconst -- 2.39.5