diff options
Diffstat (limited to 'src/backend/optimizer/plan/setrefs.c')
| -rw-r--r-- | src/backend/optimizer/plan/setrefs.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 46affe7dad0..768c5c76704 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -145,7 +145,7 @@ static bool extract_query_dependencies_walker(Node *node, /* * set_plan_references * - * This is the final processing pass of the planner/optimizer. The plan + * This is the final processing pass of the planner/optimizer. The plan * tree is complete; we just have to adjust some representational details * for the convenience of the executor: * @@ -189,7 +189,7 @@ static bool extract_query_dependencies_walker(Node *node, * and root->glob->invalItems (for everything else). * * Notice that we modify Plan nodes in-place, but use expression_tree_mutator - * to process targetlist and qual expressions. We can assume that the Plan + * to process targetlist and qual expressions. We can assume that the Plan * nodes were just built by the planner and are not multiply referenced, but * it's not so safe to assume that for expression tree nodes. */ @@ -262,7 +262,7 @@ add_rtes_to_flat_rtable(PlannerInfo *root, bool recursing) /* * If there are any dead subqueries, they are not referenced in the Plan * tree, so we must add RTEs contained in them to the flattened rtable - * separately. (If we failed to do this, the executor would not perform + * separately. (If we failed to do this, the executor would not perform * expected permission checks for tables mentioned in such subqueries.) * * Note: this pass over the rangetable can't be combined with the previous @@ -292,7 +292,7 @@ add_rtes_to_flat_rtable(PlannerInfo *root, bool recursing) /* * The subquery might never have been planned at all, if it * was excluded on the basis of self-contradictory constraints - * in our query level. In this case apply + * in our query level. In this case apply * flatten_unplanned_rtes. * * If it was planned but the plan is dummy, we assume that it @@ -591,7 +591,7 @@ set_plan_refs(PlannerInfo *root, Plan *plan, int rtoffset) /* * These plan types don't actually bother to evaluate their * targetlists, because they just return their unmodified input - * tuples. Even though the targetlist won't be used by the + * tuples. Even though the targetlist won't be used by the * executor, we fix it up for possible use by EXPLAIN (not to * mention ease of debugging --- wrong varnos are very confusing). */ @@ -609,7 +609,7 @@ set_plan_refs(PlannerInfo *root, Plan *plan, int rtoffset) /* * Like the plan types above, LockRows doesn't evaluate its - * tlist or quals. But we have to fix up the RT indexes in + * tlist or quals. But we have to fix up the RT indexes in * its rowmarks. */ set_dummy_tlist_references(plan, rtoffset); @@ -727,7 +727,7 @@ set_plan_refs(PlannerInfo *root, Plan *plan, int rtoffset) * Set up the visible plan targetlist as being the same as * the first RETURNING list. This is for the use of * EXPLAIN; the executor won't pay any attention to the - * targetlist. We postpone this step until here so that + * targetlist. We postpone this step until here so that * we don't have to do set_returning_clause_references() * twice on identical targetlists. */ @@ -953,7 +953,7 @@ set_subqueryscan_references(PlannerInfo *root, else { /* - * Keep the SubqueryScan node. We have to do the processing that + * Keep the SubqueryScan node. We have to do the processing that * set_plan_references would otherwise have done on it. Notice we do * not do set_upper_references() here, because a SubqueryScan will * always have been created with correct references to its subplan's @@ -1425,7 +1425,7 @@ set_dummy_tlist_references(Plan *plan, int rtoffset) * * In most cases, subplan tlists will be "flat" tlists with only Vars, * so we try to optimize that case by extracting information about Vars - * in advance. Matching a parent tlist to a child is still an O(N^2) + * in advance. Matching a parent tlist to a child is still an O(N^2) * operation, but at least with a much smaller constant factor than plain * tlist_member() searches. * @@ -1870,7 +1870,7 @@ fix_upper_expr_mutator(Node *node, fix_upper_expr_context *context) * adjust any Vars that refer to other tables to reference junk tlist * entries in the top subplan's targetlist. Vars referencing the result * table should be left alone, however (the executor will evaluate them - * using the actual heap tuple, after firing triggers if any). In the + * using the actual heap tuple, after firing triggers if any). In the * adjusted RETURNING list, result-table Vars will have their original * varno (plus rtoffset), but Vars for other rels will have varno OUTER_VAR. * |