diff options
Diffstat (limited to 'src/backend/optimizer/plan/initsplan.c')
| -rw-r--r-- | src/backend/optimizer/plan/initsplan.c | 90 |
1 files changed, 45 insertions, 45 deletions
diff --git a/src/backend/optimizer/plan/initsplan.c b/src/backend/optimizer/plan/initsplan.c index 62ff23f207e..ebc2324d7f5 100644 --- a/src/backend/optimizer/plan/initsplan.c +++ b/src/backend/optimizer/plan/initsplan.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.6 1997/09/07 04:44:00 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/initsplan.c,v 1.7 1997/09/08 02:24:36 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -33,16 +33,16 @@ #include "optimizer/clauses.h" #include "optimizer/cost.h" -extern int Quiet; +extern int Quiet; -static void add_clause_to_rels(Query * root, List * clause); +static void add_clause_to_rels(Query * root, List * clause); static void add_join_clause_info_to_rels(Query * root, CInfo * clauseinfo, List * join_relids); -static void add_vars_to_rels(Query * root, List * vars, List * join_relids); +static void add_vars_to_rels(Query * root, List * vars, List * join_relids); static MergeOrder *mergesortop(Expr * clause); -static Oid hashjoinop(Expr * clause); +static Oid hashjoinop(Expr * clause); /***************************************************************************** @@ -63,13 +63,13 @@ static Oid hashjoinop(Expr * clause); void initialize_base_rels_list(Query * root, List * tlist) { - List *tlist_vars = NIL; - List *l = NIL; - List *tvar = NIL; + List *tlist_vars = NIL; + List *l = NIL; + List *tvar = NIL; foreach(l, tlist) { - TargetEntry *entry = (TargetEntry *) lfirst(l); + TargetEntry *entry = (TargetEntry *) lfirst(l); tlist_vars = append(tlist_vars, pull_var_clause(entry->expr)); } @@ -77,9 +77,9 @@ initialize_base_rels_list(Query * root, List * tlist) /* now, the target list only contains Var nodes */ foreach(tvar, tlist_vars) { - Var *var; - Index varno; - Rel *result; + Var *var; + Index varno; + Rel *result; var = (Var *) lfirst(tvar); varno = var->varno; @@ -100,16 +100,16 @@ initialize_base_rels_list(Query * root, List * tlist) void add_missing_vars_to_base_rels(Query * root, List * tlist) { - List *l; - int varno; + List *l; + int varno; varno = 1; foreach(l, root->rtable) { - RangeTblEntry *rte = (RangeTblEntry *) lfirst(l); - List *relids; - Rel *result; - Var *var; + RangeTblEntry *rte = (RangeTblEntry *) lfirst(l); + List *relids; + Rel *result; + Var *var; relids = lconsi(varno, NIL); if (rte->inFromCl && @@ -147,7 +147,7 @@ add_missing_vars_to_base_rels(Query * root, List * tlist) void initialize_base_rels_jinfo(Query * root, List * clauses) { - List *clause; + List *clause; foreach(clause, clauses) { @@ -168,9 +168,9 @@ initialize_base_rels_jinfo(Query * root, List * clauses) static void add_clause_to_rels(Query * root, List * clause) { - List *relids; - List *vars; - CInfo *clauseinfo = makeNode(CInfo); + List *relids; + List *vars; + CInfo *clauseinfo = makeNode(CInfo); /* * Retrieve all relids and vars contained within the clause. @@ -189,7 +189,7 @@ add_clause_to_rels(Query * root, List * clause) if (length(relids) == 1) { - Rel *rel = get_base_rel(root, lfirsti(relids)); + Rel *rel = get_base_rel(root, lfirsti(relids)); /* * There is only one relation participating in 'clause', so @@ -261,13 +261,13 @@ add_clause_to_rels(Query * root, List * clause) static void add_join_clause_info_to_rels(Query * root, CInfo * clauseinfo, List * join_relids) { - List *join_relid; + List *join_relid; foreach(join_relid, join_relids) { - JInfo *joininfo; - List *other_rels = NIL; - List *rel; + JInfo *joininfo; + List *other_rels = NIL; + List *rel; foreach(rel, join_relids) { @@ -302,10 +302,10 @@ add_join_clause_info_to_rels(Query * root, CInfo * clauseinfo, List * join_relid static void add_vars_to_rels(Query * root, List * vars, List * join_relids) { - Var *var; - List *temp = NIL; - Rel *rel = (Rel *) NULL; - TargetEntry *tlistentry; + Var *var; + List *temp = NIL; + Rel *rel = (Rel *) NULL; + TargetEntry *tlistentry; foreach(temp, vars) { @@ -336,13 +336,13 @@ add_vars_to_rels(Query * root, List * vars, List * join_relids) void initialize_join_clause_info(List * rel_list) { - List *x, - *y, - *z; - Rel *rel; - JInfo *joininfo; - CInfo *clauseinfo; - Expr *clause; + List *x, + *y, + *z; + Rel *rel; + JInfo *joininfo; + CInfo *clauseinfo; + Expr *clause; foreach(x, rel_list) { @@ -356,8 +356,8 @@ initialize_join_clause_info(List * rel_list) clause = clauseinfo->clause; if (join_clause_p((Node *) clause)) { - MergeOrder *sortop = (MergeOrder *) NULL; - Oid hashop = (Oid) NULL; + MergeOrder *sortop = (MergeOrder *) NULL; + Oid hashop = (Oid) NULL; if (_enable_mergesort_) sortop = mergesortop(clause); @@ -389,9 +389,9 @@ initialize_join_clause_info(List * rel_list) static MergeOrder * mergesortop(Expr * clause) { - Oid leftOp, - rightOp; - bool sortable; + Oid leftOp, + rightOp; + bool sortable; sortable = op_mergesortable(((Oper *) clause->oper)->opno, (get_leftop(clause))->vartype, @@ -401,7 +401,7 @@ mergesortop(Expr * clause) if (sortable) { - MergeOrder *morder = makeNode(MergeOrder); + MergeOrder *morder = makeNode(MergeOrder); morder->join_operator = ((Oper *) clause->oper)->opno; morder->left_operator = leftOp; @@ -420,7 +420,7 @@ mergesortop(Expr * clause) * hashjoinable, i.e., both operands are single vars and the operator is * a hashjoinable operator. */ -static Oid +static Oid hashjoinop(Expr * clause) { return (op_hashjoinable(((Oper *) clause->oper)->opno, |