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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 12:48:58 -05:00
parent 10de92f87f
commit b053c53248
3 changed files with 6 additions and 6 deletions
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4
contrib/intarray/_int_bool.c
View File

@ -189,8 +189,8 @@ makepol(WORKSTATE * state)
case OPEN:
if (makepol(state) == ERR)
return ERR;
if (lenstack && (stack[lenstack - 1] == (int4) '&' ||
stack[lenstack - 1] == (int4) '!'))
while (lenstack && (stack[lenstack - 1] == (int4) '&' ||
stack[lenstack - 1] == (int4) '!'))
{
lenstack--;
pushquery(state, OPR, stack[lenstack]);

4
contrib/ltree/ltxtquery_io.c
View File

@ -234,8 +234,8 @@ makepol(QPRS_STATE * state)
case OPEN:
if (makepol(state) == ERR)
return ERR;
if (lenstack && (stack[lenstack - 1] == (int4) '&' ||
stack[lenstack - 1] == (int4) '!'))
while (lenstack && (stack[lenstack - 1] == (int4) '&' ||
stack[lenstack - 1] == (int4) '!'))
{
lenstack--;
pushquery(state, OPR, stack[lenstack], 0, 0, 0);

4
contrib/tsearch2/query.c
View File

@ -396,8 +396,8 @@ makepol(QPRS_STATE * state, void (*pushval) (QPRS_STATE *, int, char *, int, int
case OPEN:
if (makepol(state, pushval) == ERR)
return ERR;
if (lenstack && (stack[lenstack - 1] == (int4) '&' ||
stack[lenstack - 1] == (int4) '!'))
while (lenstack && (stack[lenstack - 1] == (int4) '&' ||
stack[lenstack - 1] == (int4) '!'))
{
lenstack--;
pushquery(state, OPR, stack[lenstack], 0, 0, 0);