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author | unknown <bell@sanja.is.com.ua> | 2004-05-06 20:40:21 +0300 |
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committer | unknown <bell@sanja.is.com.ua> | 2004-05-06 20:40:21 +0300 |
commit | 1a4f499ca87634d4256d2531bab68b32f3e5fa49 (patch) | |
tree | 0daaf7c780326e902f4ac6b9107be15ccc5ae28a /sql/sql_lex.cc | |
parent | cd57fc8bdabbd3b1b44fa98ae1c3bc7c66fcd08c (diff) | |
download | mariadb-git-1a4f499ca87634d4256d2531bab68b32f3e5fa49.tar.gz |
EXPLAIN UNION using same routing which used for execution which allow return correct bug messages (Bug #3639)
EXPLAIN of hidden SELECT of UNION
mysql-test/r/derived.result:
explain of hidden select
mysql-test/r/subselect.result:
explain of hidden select
mysql-test/r/union.result:
explain of hidden select
correct error messages on explain
mysql-test/t/subselect.test:
show eliminated costants in WHERE clause
mysql-test/t/union.test:
correct error messages on EXPLAIN with union
sql/item.cc:
fixed name constructing for global ORDER BY items
sql/sql_class.h:
select ID can be negative (for hidden SELECTs)
removed unused field
sql/sql_lex.cc:
new flag of UNION EXPLAIN
sql/sql_lex.h:
new flag of UNION EXPLAIN
select ID can be negative (for hidden SELECTs)
sql/sql_select.cc:
EXPLAIN UNION using same routing which used for execution
explain for hidden SELECT of UNION
sql/sql_union.cc:
EXPLAIN UNION using same routing which used for execution
Diffstat (limited to 'sql/sql_lex.cc')
-rw-r--r-- | sql/sql_lex.cc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc index 5fa8b37285e..586706be6c1 100644 --- a/sql/sql_lex.cc +++ b/sql/sql_lex.cc @@ -1007,6 +1007,7 @@ void st_select_lex_unit::init_query() fake_select_lex= 0; cleaned= 0; item_list.empty(); + describe= 0; } void st_select_lex::init_query() |