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MDEV-6107 merge default_tmp_storage_engine

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Adapt default_tmp_storage_engine implementation from mysql-5.6
New feature (as compared to 5.6), default_tmp_storage_engine=NULL
means that temporary tables will use default_storage_engine value.
This makes the behavior backward compatible.
This commit is contained in:
Sergei Golubchik
2014-06-14 22:15:52 +02:00
parent 2edcf8f9ff
commit cf1a09e42f
17 changed files with 516 additions and 68 deletions
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sql/sql_parse.cc
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@ -2830,7 +2830,7 @@ case SQLCOM_PREPARE:
rather than at parse-time.
*/
if (!(create_info.used_fields & HA_CREATE_USED_ENGINE))
create_info.db_type= ha_default_handlerton(thd);
create_info.use_default_db_type(thd);
/*
If we are using SET CHARSET without DEFAULT, add an implicit
DEFAULT to not confuse old users. (This may change).