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eval CREATE TABLE t (a INT, b INT, c INT, d INT, e INT, PRIMARY KEY(a, b, c, d), KEY(b, d)) ENGINE=$engine;
--disable_query_log
CREATE TEMPORARY TABLE a (a INT);
let $i=10;
while ($i)
{
--eval INSERT INTO a VALUES ($i)
dec $i;
}
CREATE TEMPORARY TABLE b (a INT);
let $i=5;
while ($i)
{
--eval INSERT INTO b VALUES ($i)
dec $i;
}
CREATE TEMPORARY TABLE c (a INT);
let $i=5;
while ($i)
{
--eval INSERT INTO c VALUES ($i)
dec $i;
}
CREATE TEMPORARY TABLE d (a INT);
let $i=10;
while ($i)
{
--eval INSERT INTO d VALUES ($i)
dec $i;
}
--echo # Since ANALYZE TABLE only reads a subset of the data, the statistics for
--echo # table t depends on the row order. And since the INSERT INTO ... SELECT
--echo # may be executed using different execution plans, we've added ORDER BY
--echo # to ensure that we rows has the same order every time. If not, the
--echo # estimated number of rows in EXPLAIN may change on different platforms.
INSERT INTO t SELECT a.a, b.a, c.a, d.a, d.a FROM a, b, c, d
ORDER BY a.a, b.a, c.a, d.a;
DROP TEMPORARY TABLE a, b, c, d;
--enable_query_log
ANALYZE TABLE t;
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