diff options
Diffstat (limited to 'src/backend/optimizer/util/clauses.c')
| -rw-r--r-- | src/backend/optimizer/util/clauses.c | 41 |
1 files changed, 2 insertions, 39 deletions
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c index f9906cffc04..ca4353f6085 100644 --- a/src/backend/optimizer/util/clauses.c +++ b/src/backend/optimizer/util/clauses.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.46 1999/08/12 04:32:54 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/util/clauses.c,v 1.47 1999/08/16 02:17:56 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -164,7 +164,7 @@ make_funcclause(Func *func, List *funcargs) { Expr *expr = makeNode(Expr); - expr->typeOid = InvalidOid; /* assume type checking done */ + expr->typeOid = func->functype; expr->opType = FUNC_EXPR; expr->oper = (Node *) func; expr->args = funcargs; @@ -417,43 +417,6 @@ NumRelids(Node *clause) } /* - * is_joinable - * - * Returns t iff 'clause' is a valid join clause. - * - */ -bool -is_joinable(Node *clause) -{ - Node *leftop, - *rightop; - - if (!is_opclause(clause)) - return false; - - leftop = (Node *) get_leftop((Expr *) clause); - rightop = (Node *) get_rightop((Expr *) clause); - - if (!rightop) - return false; /* unary opclauses need not apply */ - - /* - * One side of the clause (i.e. left or right operands) must either be - * a var node ... - */ - if (IsA(leftop, Var) || IsA(rightop, Var)) - return true; - - /* - * ... or a func node. - */ - if (is_funcclause(leftop) || is_funcclause(rightop)) - return true; - - return false; -} - -/* * fix_opids * Calculate opid field from opno for each Oper node in given tree. * (The given tree can be anything expression_tree_walker handles.) |