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149c993b2c
disable online alter add primary key for innodb, if the table is opened/locked more than once in the current connection (see assert in ha_innobase::add_index())
29 lines
680 B
Plaintext
29 lines
680 B
Plaintext
#
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# BUG#27216817: INNODB: FAILING ASSERTION:
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# PREBUILT->TABLE->N_MYSQL_HANDLES_OPENED == 1
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#
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source include/have_innodb.inc;
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create table t1 (a int not null, b int not null) engine=innodb;
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insert t1 values (1,2),(3,4);
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lock table t1 write, t1 tr read;
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flush status;
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alter table t1 add primary key (b);
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show status like 'Handler_read_rnd_next';
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unlock tables;
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alter table t1 drop primary key;
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lock table t1 write;
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flush status;
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alter table t1 add primary key (b);
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show status like 'Handler_read_rnd_next';
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unlock tables;
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alter table t1 drop primary key;
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flush status;
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alter table t1 add primary key (b);
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show status like 'Handler_read_rnd_next';
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drop table t1;
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