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Fix erroneous parsing of tsquery input "... & !(subexpression) | ..."

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After parsing a parenthesized subexpression, we must pop all pending
ANDs and NOTs off the stack, just like the case for a simple operand.
Per bug #5793.

Also fix clones of this routine in contrib/intarray and contrib/ltree,
where input of types query_int and ltxtquery had the same problem.

Back-patch to all supported versions.
This commit is contained in:
Tom Lane
2010-12-19 12:48:34 -05:00
parent dcb09b595f
commit abc1026269
3 changed files with 6 additions and 6 deletions
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4
src/backend/utils/adt/tsquery.c
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@ -371,8 +371,8 @@ makepol(TSQueryParserState state,
case PT_OPEN:
makepol(state, pushval, opaque);
if (lenstack && (opstack[lenstack - 1] == OP_AND ||
opstack[lenstack - 1] == OP_NOT))
while (lenstack && (opstack[lenstack - 1] == OP_AND ||
opstack[lenstack - 1] == OP_NOT))
{
lenstack--;
pushOperator(state, opstack[lenstack]);