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Bug#20837 Apparent change of isolation level during transaction

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Bug#46527 COMMIT AND CHAIN RELEASE does not make sense
Bug#53343 completion_type=1, COMMIT/ROLLBACK AND CHAIN don't 
          preserve the isolation level
Bug#53346 completion_type has strange effect in a stored 
          procedure/prepared statement

Added test cases to verify the expected behaviour of :
 SET SESSION TRANSACTION ISOLATION LEVEL, 
 SET TRANSACTION ISOLATION LEVEL,
 @@completion_type,
 COMMIT AND CHAIN,
 ROLLBACK AND CHAIN
 ..and some combinations of the above
This commit is contained in:
Magne Mahre
2010-06-08 19:47:10 +02:00
parent da8c33ba7c 946fad3502
commit db716d11af
19 changed files with 939 additions and 64 deletions
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2
sql/sql_lex.h
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@ -1975,7 +1975,7 @@ struct LEX: public Query_tables_list
bool autocommit;
bool verbose, no_write_to_binlog;
bool tx_chain, tx_release;
enum enum_yes_no_unknown tx_chain, tx_release;
/*
Special JOIN::prepare mode: changing of query is prohibited.
When creating a view, we need to just check its syntax omitting