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bugfix: Item_func_get_system_var::print()

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This commit is contained in:
Sergei Golubchik
2016-11-02 21:08:49 +01:00
parent 96bb5f44d8
commit 660355c1ac
4 changed files with 46 additions and 5 deletions
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20
mysql-test/r/variables.result
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@ -1801,3 +1801,23 @@ select * from information_schema.session_variables where variable_name='sql_mode
VARIABLE_NAME VARIABLE_VALUE
SQL_MODE ANSI_QUOTES
End of 5.5 tests
explain extended select @@VERsion from dual where rand() > @@verSION;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select @@VERsion AS "@@VERsion" from DUAL where (rand() > @@version)
explain extended select @@SESsion.SQL_mode from dual where rand() > @@sesSION.sql_MODE;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select @@SESsion.SQL_mode AS "@@SESsion.SQL_mode" from DUAL where (rand() > @@sql_mode)
explain extended select @@GLObal.COLLATION_connection from dual where rand() > @@gloBAL.collation_CONNECTION;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select @@GLObal.COLLATION_connection AS "@@GLObal.COLLATION_connection" from DUAL where (rand() > @@global.collation_connection)
explain extended select @@FOObar.KEY_BUFfer_size from dual where rand() > @@fooBAR.key_bufFER_SIZE;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select @@FOObar.KEY_BUFfer_size AS "@@FOObar.KEY_BUFfer_size" from DUAL where (rand() > @@fooBAR.key_buffer_size)