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| author | Igor Babaev <igor@askmonty.org> | 2017-12-30 12:29:09 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2017-12-30 12:29:09 -0800 |
| commit | 4f0299f8b3cf19c103138ff656a37c1f672e9de6 (patch) | |
| tree | da7c706aed70d0bc25cecdcd1e9715abc9bb69e0 /sql/sql_priv.h | |
| parent | 7a66e0ab8f52f3bd32850463daa05f9a2401e6b1 (diff) | |
| download | mariadb-git-4f0299f8b3cf19c103138ff656a37c1f672e9de6.tar.gz | |
This is a full cost-based implementation of the optimization that employs
splitting technique for equi-joins of materialized derived tables/views/CTEs.
(see mdev-13369 and mdev-13389).
Diffstat (limited to 'sql/sql_priv.h')
| -rw-r--r-- | sql/sql_priv.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sql/sql_priv.h b/sql/sql_priv.h index f40ac6f2663..ba37d933f12 100644 --- a/sql/sql_priv.h +++ b/sql/sql_priv.h @@ -227,7 +227,7 @@ #define OPTIMIZER_SWITCH_EXISTS_TO_IN (1ULL << 28) #define OPTIMIZER_SWITCH_ORDERBY_EQ_PROP (1ULL << 29) #define OPTIMIZER_SWITCH_COND_PUSHDOWN_FOR_DERIVED (1ULL << 30) -#define OPTIMIZER_SWITCH_SPLIT_GROUPING_DERIVED (1ULL << 31) +#define OPTIMIZER_SWITCH_SPLIT_MATERIALIZED (1ULL << 31) #define OPTIMIZER_SWITCH_DEFAULT (OPTIMIZER_SWITCH_INDEX_MERGE | \ OPTIMIZER_SWITCH_INDEX_MERGE_UNION | \ @@ -254,7 +254,7 @@ OPTIMIZER_SWITCH_EXISTS_TO_IN | \ OPTIMIZER_SWITCH_ORDERBY_EQ_PROP | \ OPTIMIZER_SWITCH_COND_PUSHDOWN_FOR_DERIVED | \ - OPTIMIZER_SWITCH_SPLIT_GROUPING_DERIVED) + OPTIMIZER_SWITCH_SPLIT_MATERIALIZED) /* Replication uses 8 bytes to store SQL_MODE in the binary log. The day you |