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25 lines
778 B
Text
25 lines
778 B
Text
#
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# MDEV-4280:
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# Assertion `empty_size == empty_size_on_page' failure in ma_blockrec.c or
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# ER_NOT_KEYFILE on query with DISTINCT and GROUP BY
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#
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# This issue was a bug in how we delete row during duplicate removal when
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# we use Aria for internal temporary table.
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#
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-- source include/have_maria.inc
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--disable_warnings
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DROP TABLE IF EXISTS t1;
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--enable_warnings
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CREATE TABLE t1 (a INT, b INT) ENGINE=Aria;
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INSERT t1 VALUES (3,2004),(2,2006),(1,2007),(3,2008),(2,2005),(2,2001);
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SELECT GROUP_CONCAT(a) FROM t1 GROUP BY b;
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SELECT DISTINCT GROUP_CONCAT(a) FROM t1 GROUP BY b;
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DROP TABLE t1;
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CREATE TABLE t1 (a INT, b VARCHAR(1)) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (7,'q'),(2,NULL),(7,'g'),(6,'x');
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SELECT DISTINCT MAX( a ) FROM t1 GROUP BY b ORDER BY MD5( b );
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DROP TABLE t1;
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