diff options
author | Bruce Momjian <bruce@momjian.us> | 2014-05-06 11:26:27 -0400 |
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committer | Bruce Momjian <bruce@momjian.us> | 2014-05-06 11:26:27 -0400 |
commit | 0b44914c21a008bb2f0764672eb6b15310431b3e (patch) | |
tree | 0dccfe5e855aebe7160470bcfcb37597611d981c /src/backend/optimizer/path/joinpath.c | |
parent | 17b04a15806d8e8b4cc3013244f4837c02d6baf4 (diff) |
Remove tabs after spaces in C comments
This was not changed in HEAD, but will be done later as part of a
pgindent run. Future pgindent runs will also do this.
Report by Tom Lane
Backpatch through all supported branches, but not HEAD
Diffstat (limited to 'src/backend/optimizer/path/joinpath.c')
-rw-r--r-- | src/backend/optimizer/path/joinpath.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c index 65f86194e15..42ec5588cd1 100644 --- a/src/backend/optimizer/path/joinpath.c +++ b/src/backend/optimizer/path/joinpath.c @@ -103,7 +103,7 @@ add_paths_to_joinrel(PlannerInfo *root, /* * If it's SEMI or ANTI join, compute correction factors for cost - * estimation. These will be the same for all paths. + * estimation. These will be the same for all paths. */ if (jointype == JOIN_SEMI || jointype == JOIN_ANTI) compute_semi_anti_join_factors(root, outerrel, innerrel, @@ -118,7 +118,7 @@ add_paths_to_joinrel(PlannerInfo *root, * to the parameter source rel instead of joining to the other input rel. * This restriction reduces the number of parameterized paths we have to * deal with at higher join levels, without compromising the quality of - * the resulting plan. We express the restriction as a Relids set that + * the resulting plan. We express the restriction as a Relids set that * must overlap the parameterization of any proposed join path. */ foreach(lc, root->join_info_list) @@ -149,7 +149,7 @@ add_paths_to_joinrel(PlannerInfo *root, /* * 1. Consider mergejoin paths where both relations must be explicitly - * sorted. Skip this if we can't mergejoin. + * sorted. Skip this if we can't mergejoin. */ if (mergejoin_allowed) sort_inner_and_outer(root, joinrel, outerrel, innerrel, @@ -172,7 +172,7 @@ add_paths_to_joinrel(PlannerInfo *root, /* * 3. Consider paths where the inner relation need not be explicitly - * sorted. This includes mergejoins only (nestloops were already built in + * sorted. This includes mergejoins only (nestloops were already built in * match_unsorted_outer). * * Diked out as redundant 2/13/2000 -- tgl. There isn't any really @@ -423,7 +423,7 @@ try_hashjoin_path(PlannerInfo *root, * We already know that the clause is a binary opclause referencing only the * rels in the current join. The point here is to check whether it has the * form "outerrel_expr op innerrel_expr" or "innerrel_expr op outerrel_expr", - * rather than mixing outer and inner vars on either side. If it matches, + * rather than mixing outer and inner vars on either side. If it matches, * we set the transient flag outer_is_left to identify which side is which. */ static inline bool @@ -487,7 +487,7 @@ sort_inner_and_outer(PlannerInfo *root, * * This function intentionally does not consider parameterized input paths * (implicit in the fact that it only looks at cheapest_total_path, which - * is always unparameterized). If we did so, we'd have a combinatorial + * is always unparameterized). If we did so, we'd have a combinatorial * explosion of mergejoin paths of dubious value. This interacts with * decisions elsewhere that also discriminate against mergejoins with * parameterized inputs; see comments in src/backend/optimizer/README. @@ -521,7 +521,7 @@ sort_inner_and_outer(PlannerInfo *root, * * Actually, it's not quite true that every mergeclause ordering will * generate a different path order, because some of the clauses may be - * partially redundant (refer to the same EquivalenceClasses). Therefore, + * partially redundant (refer to the same EquivalenceClasses). Therefore, * what we do is convert the mergeclause list to a list of canonical * pathkeys, and then consider different orderings of the pathkeys. * @@ -614,7 +614,7 @@ sort_inner_and_outer(PlannerInfo *root, * cheapest-total inner-indexscan path (if any), and one on the * cheapest-startup inner-indexscan path (if different). * - * We also consider mergejoins if mergejoin clauses are available. We have + * We also consider mergejoins if mergejoin clauses are available. We have * two ways to generate the inner path for a mergejoin: sort the cheapest * inner path, or use an inner path that is already suitably ordered for the * merge. If we have several mergeclauses, it could be that there is no inner @@ -733,8 +733,8 @@ match_unsorted_outer(PlannerInfo *root, /* * If we need to unique-ify the outer path, it's pointless to consider - * any but the cheapest outer. (XXX we don't consider parameterized - * outers, nor inners, for unique-ified cases. Should we?) + * any but the cheapest outer. (XXX we don't consider parameterized + * outers, nor inners, for unique-ified cases. Should we?) */ if (save_jointype == JOIN_UNIQUE_OUTER) { @@ -774,7 +774,7 @@ match_unsorted_outer(PlannerInfo *root, { /* * Consider nestloop joins using this outer path and various - * available paths for the inner relation. We consider the + * available paths for the inner relation. We consider the * cheapest-total paths for each available parameterization of the * inner relation, including the unparameterized case. */ @@ -922,7 +922,7 @@ match_unsorted_outer(PlannerInfo *root, /* * Look for an inner path ordered well enough for the first - * 'sortkeycnt' innersortkeys. NB: trialsortkeys list is modified + * 'sortkeycnt' innersortkeys. NB: trialsortkeys list is modified * destructively, which is why we made a copy... */ trialsortkeys = list_truncate(trialsortkeys, sortkeycnt); |