diff options
Diffstat (limited to 'src/backend/optimizer/plan/setrefs.c')
-rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 63ec89ba72c..d8b1046fa07 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 1.37 1999/02/03 21:16:38 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/setrefs.c,v 1.38 1999/02/09 17:03:01 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -34,14 +34,14 @@ #include "optimizer/tlist.h" static void set_join_tlist_references(Join *join); -static void set_tempscan_tlist_references(SeqScan *tempscan); -static void set_temp_tlist_references(Temp *temp); +static void set_nonamescan_tlist_references(SeqScan *nonamescan); +static void set_noname_tlist_references(Noname *noname); static List *replace_clause_joinvar_refs(Expr *clause, List *outer_tlist, List *inner_tlist); static List *replace_subclause_joinvar_refs(List *clauses, List *outer_tlist, List *inner_tlist); static Var *replace_joinvar_refs(Var *var, List *outer_tlist, List *inner_tlist); -static List *tlist_temp_references(Oid tempid, List *tlist); +static List *tlist_noname_references(Oid nonameid, List *tlist); static void replace_result_clause(Node *clause, List *subplanTargetList); static bool OperandIsInner(Node *opnd, int inner_relid); static List *replace_agg_clause(Node *expr, List *targetlist); @@ -74,10 +74,10 @@ set_tlist_references(Plan *plan) 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); + IsA_Noname(plan->lefttree)) + set_nonamescan_tlist_references((SeqScan *) plan); else if (IsA(plan, Sort)) - set_temp_tlist_references((Temp *) plan); + set_noname_tlist_references((Noname *) plan); else if (IsA(plan, Result)) set_result_tlist_references((Result *) plan); else if (IsA(plan, Hash)) @@ -136,49 +136,49 @@ set_join_tlist_references(Join *join) } /* - * set-tempscan-tlist-references-- - * Modifies the target list of a node that scans a temp relation (i.e., a - * sort or hash node) so that the varnos refer to the child temporary. + * set-nonamescan-tlist-references-- + * Modifies the target list of a node that scans a noname relation (i.e., a + * sort or hash node) so that the varnos refer to the child noname. * - * 'tempscan' is a seqscan node + * 'nonamescan' is a seqscan node * * Returns nothing of interest, but modifies internal fields of nodes. * */ static void -set_tempscan_tlist_references(SeqScan *tempscan) +set_nonamescan_tlist_references(SeqScan *nonamescan) { - Temp *temp = (Temp *) ((Plan *) tempscan)->lefttree; + Noname *noname = (Noname *) ((Plan *) nonamescan)->lefttree; - ((Plan *) tempscan)->targetlist = tlist_temp_references(temp->tempid, - ((Plan *) tempscan)->targetlist); - set_temp_tlist_references(temp); + ((Plan *) nonamescan)->targetlist = tlist_noname_references(noname->nonameid, + ((Plan *) nonamescan)->targetlist); + set_noname_tlist_references(noname); } /* - * set-temp-tlist-references-- - * The temp's vars are made consistent with (actually, identical to) the - * modified version of the target list of the node from which temp node + * set-noname-tlist-references-- + * The noname's vars are made consistent with (actually, identical to) the + * modified version of the target list of the node from which noname node * receives its tuples. * - * 'temp' is a temp (e.g., sort, hash) plan node + * 'noname' is a noname (e.g., sort, hash) plan node * * Returns nothing of interest, but modifies internal fields of nodes. * */ static void -set_temp_tlist_references(Temp *temp) +set_noname_tlist_references(Noname *noname) { - Plan *source = ((Plan *) temp)->lefttree; + Plan *source = ((Plan *) noname)->lefttree; if (source != NULL) { set_tlist_references(source); - ((Plan *) temp)->targetlist = copy_vars(((Plan *) temp)->targetlist, + ((Plan *) noname)->targetlist = copy_vars(((Plan *) noname)->targetlist, (source)->targetlist); } else - elog(ERROR, "calling set_temp_tlist_references with empty lefttree"); + elog(ERROR, "calling set_noname_tlist_references with empty lefttree"); } /* @@ -475,25 +475,25 @@ replace_joinvar_refs(Var *var, List *outer_tlist, List *inner_tlist) } /* - * tlist-temp-references-- - * Creates a new target list for a node that scans a temp relation, - * setting the varnos to the id of the temp relation and setting varids + * tlist-noname-references-- + * Creates a new target list for a node that scans a noname relation, + * setting the varnos to the id of the noname relation and setting varids * if necessary (varids are only needed if this is a targetlist internal * to the tree, in which case the targetlist entry always contains a var - * node, so we can just copy it from the temp). + * node, so we can just copy it from the noname). * - * 'tempid' is the id of the temp relation + * 'nonameid' is the id of the noname relation * 'tlist' is the target list to be modified * * Returns new target list * */ static List * -tlist_temp_references(Oid tempid, +tlist_noname_references(Oid nonameid, List *tlist) { List *t_list = NIL; - TargetEntry *temp = (TargetEntry *) NULL; + TargetEntry *noname = (TargetEntry *) NULL; TargetEntry *xtl = NULL; List *entry; @@ -507,16 +507,16 @@ tlist_temp_references(Oid tempid, else oattno = 0; - temp = makeTargetEntry(xtl->resdom, - (Node *) makeVar(tempid, + noname = makeTargetEntry(xtl->resdom, + (Node *) makeVar(nonameid, xtl->resdom->resno, xtl->resdom->restype, xtl->resdom->restypmod, 0, - tempid, + nonameid, oattno)); - t_list = lappend(t_list, temp); + t_list = lappend(t_list, noname); } return t_list; } |