diff options
Diffstat (limited to 'src/backend/optimizer/path/joinrels.c')
| -rw-r--r-- | src/backend/optimizer/path/joinrels.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/src/backend/optimizer/path/joinrels.c b/src/backend/optimizer/path/joinrels.c index f74afdb4dd..3f1c1b3477 100644 --- a/src/backend/optimizer/path/joinrels.c +++ b/src/backend/optimizer/path/joinrels.c @@ -39,7 +39,7 @@ static bool restriction_is_constant_false(List *restrictlist, static void populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2, RelOptInfo *joinrel, SpecialJoinInfo *sjinfo, List *restrictlist); -static void try_partition_wise_join(PlannerInfo *root, RelOptInfo *rel1, +static void try_partitionwise_join(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2, RelOptInfo *joinrel, SpecialJoinInfo *parent_sjinfo, List *parent_restrictlist); @@ -903,8 +903,8 @@ populate_joinrel_with_paths(PlannerInfo *root, RelOptInfo *rel1, break; } - /* Apply partition-wise join technique, if possible. */ - try_partition_wise_join(root, rel1, rel2, joinrel, sjinfo, restrictlist); + /* Apply partitionwise join technique, if possible. */ + try_partitionwise_join(root, rel1, rel2, joinrel, sjinfo, restrictlist); } @@ -1286,25 +1286,25 @@ restriction_is_constant_false(List *restrictlist, bool only_pushed_down) /* * Assess whether join between given two partitioned relations can be broken * down into joins between matching partitions; a technique called - * "partition-wise join" + * "partitionwise join" * - * Partition-wise join is possible when a. Joining relations have same + * Partitionwise join is possible when a. Joining relations have same * partitioning scheme b. There exists an equi-join between the partition keys * of the two relations. * - * Partition-wise join is planned as follows (details: optimizer/README.) + * Partitionwise join is planned as follows (details: optimizer/README.) * * 1. Create the RelOptInfos for joins between matching partitions i.e * child-joins and add paths to them. * * 2. Construct Append or MergeAppend paths across the set of child joins. - * This second phase is implemented by generate_partition_wise_join_paths(). + * This second phase is implemented by generate_partitionwise_join_paths(). * * The RelOptInfo, SpecialJoinInfo and restrictlist for each child join are * obtained by translating the respective parent join structures. */ static void -try_partition_wise_join(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2, +try_partitionwise_join(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2, RelOptInfo *joinrel, SpecialJoinInfo *parent_sjinfo, List *parent_restrictlist) { @@ -1334,7 +1334,7 @@ try_partition_wise_join(PlannerInfo *root, RelOptInfo *rel1, RelOptInfo *rel2, joinrel->part_scheme == rel2->part_scheme); /* - * Since we allow partition-wise join only when the partition bounds of + * Since we allow partitionwise join only when the partition bounds of * the joining relations exactly match, the partition bounds of the join * should match those of the joining relations. */ @@ -1478,7 +1478,7 @@ have_partkey_equi_join(RelOptInfo *rel1, RelOptInfo *rel2, JoinType jointype, /* * Only clauses referencing the partition keys are useful for - * partition-wise join. + * partitionwise join. */ ipk1 = match_expr_to_partition_keys(expr1, rel1, strict_op); if (ipk1 < 0) @@ -1489,13 +1489,13 @@ have_partkey_equi_join(RelOptInfo *rel1, RelOptInfo *rel2, JoinType jointype, /* * If the clause refers to keys at different ordinal positions, it can - * not be used for partition-wise join. + * not be used for partitionwise join. */ if (ipk1 != ipk2) continue; /* - * The clause allows partition-wise join if only it uses the same + * The clause allows partitionwise join if only it uses the same * operator family as that specified by the partition key. */ if (rel1->part_scheme->strategy == PARTITION_STRATEGY_HASH) |