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Remove grammar productions for prefix and postfix % and ^ operators,

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as well as the existing pg_catalog entries for prefix and postfix %.
These have never been documented, though they did appear in one old
regression test.  This avoids surprising behavior in cases like
"SELECT -25 % -10".  Per recent discussion.
Note: although there is a catalog change here, I did not force initdb
since there's no harm in leaving the inaccessible entries in one's
copy of pg_operator.
This commit is contained in:
Tom Lane
2005-06-08 21:15:29 +00:00
parent f5b2f60bd1
commit 77c168a836
9 changed files with 16 additions and 34 deletions
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18
src/backend/parser/gram.y
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@@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.491 2005/05/07 02:22:46 momjian Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.492 2005/06/08 21:15:28 tgl Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -6099,14 +6099,6 @@ a_expr: c_expr { $$ = $1; }
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "+", NULL, $2); }
| '-' a_expr %prec UMINUS
{ $$ = doNegate($2); }
| '%' a_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "%", NULL, $2); }
| '^' a_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "^", NULL, $2); }
| a_expr '%'
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "%", $1, NULL); }
| a_expr '^'
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "^", $1, NULL); }
| a_expr '+' a_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "+", $1, $3); }
| a_expr '-' a_expr
@@ -6468,14 +6460,6 @@ b_expr: c_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "+", NULL, $2); }
| '-' b_expr %prec UMINUS
{ $$ = doNegate($2); }
| '%' b_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "%", NULL, $2); }
| '^' b_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "^", NULL, $2); }
| b_expr '%'
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "%", $1, NULL); }
| b_expr '^'
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "^", $1, NULL); }
| b_expr '+' b_expr
{ $$ = (Node *) makeSimpleA_Expr(AEXPR_OP, "+", $1, $3); }
| b_expr '-' b_expr