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| author | unknown <bell@sanja.is.com.ua> | 2003-07-17 19:39:31 +0300 |
|---|---|---|
| committer | unknown <bell@sanja.is.com.ua> | 2003-07-17 19:39:31 +0300 |
| commit | ed8be699fea316ecd9ee49c0739c54c0e51c73da (patch) | |
| tree | 583440eb06479cde144d6f89cd4375b1066656c2 /sql/sql_select.h | |
| parent | 04c6e88c0e304aa3bd0f66ae006eb93c1507541b (diff) | |
| download | mariadb-git-ed8be699fea316ecd9ee49c0739c54c0e51c73da.tar.gz | |
new optimisation for ref_null (SCRUM) (WL#818)
mysql-test/r/subselect.result:
results of new optimisation
mysql-test/t/subselect.test:
results of new optimisation
sql/item_cmpfunc.h:
function type
sql/item_func.h:
function type
sql/item_subselect.cc:
new optimisation for ref_or_null
sql/item_subselect.h:
new optimisation for ref_or_null
sql/sql_select.cc:
new optimisation for ref_or_null
sql/sql_select.h:
item_subselect.cc need safe_index_read
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index e7e22b0107d..7b5aa49b9aa 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -411,3 +411,4 @@ bool cp_buffer_from_ref(TABLE_REF *ref); bool error_if_full_join(JOIN *join); void relink_tables(SELECT_LEX *select_lex); int report_error(TABLE *table, int error); +int safe_index_read(JOIN_TAB *tab); |