diff options
Diffstat (limited to 'src/backend/optimizer/path/joinpath.c')
| -rw-r--r-- | src/backend/optimizer/path/joinpath.c | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c index 56a34908ac5..7f1277f0960 100644 --- a/src/backend/optimizer/path/joinpath.c +++ b/src/backend/optimizer/path/joinpath.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.18 1999/02/10 17:14:30 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.19 1999/02/10 21:02:38 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -30,15 +30,15 @@ * _enable_mergejoin} */ static Path *best_innerjoin(List *join_paths, List *outer_relid); -static List *sort_inner_and_outer(RelOptInfo * joinrel, RelOptInfo * outerrel, RelOptInfo * innerrel, +static List *sort_inner_and_outer(RelOptInfo *joinrel, RelOptInfo *outerrel, RelOptInfo *innerrel, List *mergeinfo_list); -static List *match_unsorted_outer(RelOptInfo * joinrel, RelOptInfo * outerrel, RelOptInfo * innerrel, +static List *match_unsorted_outer(RelOptInfo *joinrel, RelOptInfo *outerrel, RelOptInfo *innerrel, List *outerpath_list, Path *cheapest_inner, Path *best_innerjoin, List *mergeinfo_list); -static List *match_unsorted_inner(RelOptInfo * joinrel, RelOptInfo * outerrel, RelOptInfo * innerrel, +static List *match_unsorted_inner(RelOptInfo *joinrel, RelOptInfo *outerrel, RelOptInfo *innerrel, List *innerpath_list, List *mergeinfo_list); -static bool EnoughMemoryForHashjoin(RelOptInfo * hashrel); -static List *hash_inner_and_outer(RelOptInfo * joinrel, RelOptInfo * outerrel, RelOptInfo * innerrel, +static bool EnoughMemoryForHashjoin(RelOptInfo *hashrel); +static List *hash_inner_and_outer(RelOptInfo *joinrel, RelOptInfo *outerrel, RelOptInfo *innerrel, List *hashinfo_list); /* @@ -59,7 +59,6 @@ static List *hash_inner_and_outer(RelOptInfo * joinrel, RelOptInfo * outerrel, R * If bushy trees are considered, may modify the relid field of the * join rel nodes to flatten the lists. * - * Returns nothing of interest. (?) * It does a destructive modification. */ void @@ -228,9 +227,9 @@ best_innerjoin(List *join_paths, List *outer_relids) * Returns a list of mergejoin paths. */ static List * -sort_inner_and_outer(RelOptInfo * joinrel, - RelOptInfo * outerrel, - RelOptInfo * innerrel, +sort_inner_and_outer(RelOptInfo *joinrel, + RelOptInfo *outerrel, + RelOptInfo *innerrel, List *mergeinfo_list) { List *ms_list = NIL; @@ -302,9 +301,9 @@ sort_inner_and_outer(RelOptInfo * joinrel, * Returns a list of possible join path nodes. */ static List * -match_unsorted_outer(RelOptInfo * joinrel, - RelOptInfo * outerrel, - RelOptInfo * innerrel, +match_unsorted_outer(RelOptInfo *joinrel, + RelOptInfo *outerrel, + RelOptInfo *innerrel, List *outerpath_list, Path *cheapest_inner, Path *best_innerjoin, @@ -448,9 +447,9 @@ match_unsorted_outer(RelOptInfo * joinrel, * Returns a list of possible merge paths. */ static List * -match_unsorted_inner(RelOptInfo * joinrel, - RelOptInfo * outerrel, - RelOptInfo * innerrel, +match_unsorted_inner(RelOptInfo *joinrel, + RelOptInfo *outerrel, + RelOptInfo *innerrel, List *innerpath_list, List *mergeinfo_list) { @@ -539,7 +538,7 @@ match_unsorted_inner(RelOptInfo * joinrel, } static bool -EnoughMemoryForHashjoin(RelOptInfo * hashrel) +EnoughMemoryForHashjoin(RelOptInfo *hashrel) { int ntuples; int tupsize; @@ -573,9 +572,9 @@ EnoughMemoryForHashjoin(RelOptInfo * hashrel) * Returns a list of hashjoin paths. */ static List * -hash_inner_and_outer(RelOptInfo * joinrel, - RelOptInfo * outerrel, - RelOptInfo * innerrel, +hash_inner_and_outer(RelOptInfo *joinrel, + RelOptInfo *outerrel, + RelOptInfo *innerrel, List *hashinfo_list) { HashInfo *xhashinfo = (HashInfo *) NULL; |