diff options
Diffstat (limited to 'src/backend/optimizer/plan/setrefs.c')
| -rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 422ef3cc29..c1e3194133 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.21 1998/04/15 15:29:44 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.22 1998/06/15 19:28:44 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -73,34 +73,22 @@ set_tlist_references(Plan *plan) return; if (IsA_Join(plan)) - { set_join_tlist_references((Join *) plan); - } else if (IsA(plan, SeqScan) &&plan->lefttree && IsA_Temp(plan->lefttree)) - { set_tempscan_tlist_references((SeqScan *) plan); - } else if (IsA(plan, Sort)) - { set_temp_tlist_references((Temp *) plan); - } else if (IsA(plan, Result)) - { set_result_tlist_references((Result *) plan); - } else if (IsA(plan, Hash)) - { set_tlist_references(plan->lefttree); - } else if (IsA(plan, Choose)) { List *x; foreach(x, ((Choose *) plan)->chooseplanlist) - { set_tlist_references((Plan *) lfirst(x)); - } } } @@ -200,9 +188,7 @@ set_temp_tlist_references(Temp *temp) (source)->targetlist); } else - { elog(ERROR, "calling set_temp_tlist_references with empty lefttree"); - } } /* @@ -326,9 +312,7 @@ replace_clause_joinvar_refs(Expr *clause, return (NIL); } else if (single_node((Node *) clause)) - { return ((List *) clause); - } else if (and_clause((Node *) clause)) { List *andclause = @@ -609,9 +593,7 @@ replace_result_clause(Node *clause, ((Var *) clause)->varattno = subplanVar->resdom->resno; } else if (IsA(clause, Aggreg)) - { replace_result_clause(((Aggreg *) clause)->target, subplanTargetList); - } else if (is_funcclause(clause)) { List *subExpr; @@ -622,9 +604,7 @@ replace_result_clause(Node *clause, */ subExpr = ((Expr *) clause)->args; foreach(t, subExpr) - { replace_result_clause(lfirst(t), subplanTargetList); - } } else if (IsA(clause, ArrayRef)) { @@ -635,13 +615,9 @@ replace_result_clause(Node *clause, * expression and its index expression... */ foreach(t, aref->refupperindexpr) - { replace_result_clause(lfirst(t), subplanTargetList); - } foreach(t, aref->reflowerindexpr) - { replace_result_clause(lfirst(t), subplanTargetList); - } replace_result_clause(aref->refexpr, subplanTargetList); replace_result_clause(aref->refassgnexpr, @@ -687,18 +663,14 @@ OperandIsInner(Node *opnd, int inner_relid) */ if (IsA(opnd, Var) && (inner_relid == ((Var *) opnd)->varno)) - { return true; - } if (is_funcclause(opnd)) { List *firstArg = lfirst(((Expr *) opnd)->args); if (IsA(firstArg, Var) && (inner_relid == ((Var *) firstArg)->varno)) - { return true; - } } return false; } @@ -864,9 +836,7 @@ del_agg_clause(Node *clause) List *t; if (IsA(clause, Var)) - { return clause; - } else if (is_funcclause(clause)) { @@ -875,9 +845,7 @@ del_agg_clause(Node *clause) * arguments... */ foreach(t, ((Expr *) clause)->args) - { lfirst(t) = del_agg_clause(lfirst(t)); - } } else if (IsA(clause, Aggreg)) { @@ -895,13 +863,9 @@ del_agg_clause(Node *clause) * expression and its index expression... */ foreach(t, aref->refupperindexpr) - { lfirst(t) = del_agg_clause(lfirst(t)); - } foreach(t, aref->reflowerindexpr) - { lfirst(t) = del_agg_clause(lfirst(t)); - } aref->refexpr = del_agg_clause(aref->refexpr); aref->refassgnexpr = del_agg_clause(aref->refassgnexpr); } @@ -921,9 +885,7 @@ del_agg_clause(Node *clause) right = del_agg_clause(right); } else if (IsA(clause, Param) ||IsA(clause, Const)) - { return clause; - } else { |