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Guard against NULL strings in SET key=val constructs.

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Problem noted by Fernando Nasser.
This commit is contained in:
Thomas G. Lockhart
2002-03-09 17:41:04 +00:00
parent 38b4088518
commit 07ee72fc67
1 changed files with 7 additions and 4 deletions
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5
src/backend/parser/gram.y
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@@ -11,7 +11,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.276 2001/12/09 04:39:39 thomas Exp $ * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.276.2.1 2002/03/09 17:41:04 thomas Exp $
* *
* HISTORY * HISTORY
* AUTHOR DATE MAJOR EVENT * AUTHOR DATE MAJOR EVENT
@@ -763,6 +763,7 @@ VariableSetStmt: SET ColId TO var_value
{ {
VariableSetStmt *n = makeNode(VariableSetStmt); VariableSetStmt *n = makeNode(VariableSetStmt);
n->name = $2; n->name = $2;
if ($4 != NULL)
n->args = makeList1(makeStringConst($4, NULL)); n->args = makeList1(makeStringConst($4, NULL));
$$ = (Node *) n; $$ = (Node *) n;
} }
@@ -770,6 +771,7 @@ VariableSetStmt: SET ColId TO var_value
{ {
VariableSetStmt *n = makeNode(VariableSetStmt); VariableSetStmt *n = makeNode(VariableSetStmt);
n->name = $2; n->name = $2;
if ($4 != NULL)
n->args = makeList1(makeStringConst($4, NULL)); n->args = makeList1(makeStringConst($4, NULL));
$$ = (Node *) n; $$ = (Node *) n;
} }
@@ -799,6 +801,7 @@ VariableSetStmt: SET ColId TO var_value
{ {
VariableSetStmt *n = makeNode(VariableSetStmt); VariableSetStmt *n = makeNode(VariableSetStmt);
n->name = "client_encoding"; n->name = "client_encoding";
if ($3 != NULL)
n->args = makeList1(makeStringConst($3, NULL)); n->args = makeList1(makeStringConst($3, NULL));
$$ = (Node *) n; $$ = (Node *) n;
} }