diff options
Diffstat (limited to 'src/backend/optimizer/path/joinrels.c')
| -rw-r--r-- | src/backend/optimizer/path/joinrels.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/backend/optimizer/path/joinrels.c b/src/backend/optimizer/path/joinrels.c index 24e4e59ea6a..357ee5399c7 100644 --- a/src/backend/optimizer/path/joinrels.c +++ b/src/backend/optimizer/path/joinrels.c @@ -182,7 +182,7 @@ join_search_one_level(PlannerInfo *root, int level) * SELECT * FROM a,b,c WHERE (a.f1 + b.f2 + c.f3) = 0; * * The join clause will be usable at level 3, but at level 2 we have no - * choice but to make cartesian joins. We consider only left-sided and + * choice but to make cartesian joins. We consider only left-sided and * right-sided cartesian joins in this case (no bushy). */ if (joinrels[level] == NIL) @@ -210,7 +210,7 @@ join_search_one_level(PlannerInfo *root, int level) /*---------- * When special joins are involved, there may be no legal way - * to make an N-way join for some values of N. For example consider + * to make an N-way join for some values of N. For example consider * * SELECT ... FROM t1 WHERE * x IN (SELECT ... FROM t2,t3 WHERE ...) AND @@ -329,7 +329,7 @@ join_is_legal(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2, ListCell *l; /* - * Ensure output params are set on failure return. This is just to + * Ensure output params are set on failure return. This is just to * suppress uninitialized-variable warnings from overly anal compilers. */ *sjinfo_p = NULL; @@ -337,7 +337,7 @@ join_is_legal(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2, /* * If we have any special joins, the proposed join might be illegal; and - * in any case we have to determine its join type. Scan the join info + * in any case we have to determine its join type. Scan the join info * list for conflicts. */ match_sjinfo = NULL; @@ -560,7 +560,7 @@ make_join_rel(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2) /* * If it's a plain inner join, then we won't have found anything in - * join_info_list. Make up a SpecialJoinInfo so that selectivity + * join_info_list. Make up a SpecialJoinInfo so that selectivity * estimation functions will know what's being joined. */ if (sjinfo == NULL) @@ -848,7 +848,7 @@ have_join_order_restriction(PlannerInfo *root, * * Essentially, this tests whether have_join_order_restriction() could * succeed with this rel and some other one. It's OK if we sometimes - * say "true" incorrectly. (Therefore, we don't bother with the relatively + * say "true" incorrectly. (Therefore, we don't bother with the relatively * expensive has_legal_joinclause test.) */ static bool @@ -953,7 +953,7 @@ is_dummy_rel(RelOptInfo *rel) * dummy. * * Also, when called during GEQO join planning, we are in a short-lived - * memory context. We must make sure that the dummy path attached to a + * memory context. We must make sure that the dummy path attached to a * baserel survives the GEQO cycle, else the baserel is trashed for future * GEQO cycles. On the other hand, when we are marking a joinrel during GEQO, * we don't want the dummy path to clutter the main planning context. Upshot |