Fix for %4 and 4%.

diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 1ef7a8cfd3299bb716dbc0567ce2828af5d9f7cf..37571f4c295e7e2e790f6254a1c23d7c8a893012 100644 (file)
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -3698,6 +3698,10 @@ a_expr:  attr opt_indirection
                                }
                | '-' a_expr %prec UMINUS
                                {       $$ = doNegate($2); }
+               | '%' a_expr %prec UMINUS
+                               {       $$ = makeA_Expr(OP, "%", NULL, $2); }
+               | a_expr %prec UMINUS '%'
+                               {       $$ = makeA_Expr(OP, "%", $1, NULL); }
                | a_expr '+' a_expr
                                {       $$ = makeA_Expr(OP, "+", $1, $3); }
                | a_expr '-' a_expr