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Diffstat (limited to '')
| -rw-r--r-- | storage/rocksdb/mysql-test/rocksdb/t/rocksdb_range2.test | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/storage/rocksdb/mysql-test/rocksdb/t/rocksdb_range2.test b/storage/rocksdb/mysql-test/rocksdb/t/rocksdb_range2.test new file mode 100644 index 00000000..28010d13 --- /dev/null +++ b/storage/rocksdb/mysql-test/rocksdb/t/rocksdb_range2.test @@ -0,0 +1,33 @@ +--source include/have_rocksdb.inc + +# Issue#212 MyRocks chooses full index scan even if range scan is more efficient +# rocksdb_debug_optimizer_n_rows must not be set. + +create table t1 (id1 bigint, id2 bigint, c1 bigint, c2 bigint, c3 bigint, c4 bigint, c5 bigint, c6 bigint, c7 bigint, primary key (id1, id2), index i(c1, c2)); +--disable_query_log +let $i=0; +while ($i<10000) +{ + inc $i; + eval insert t1(id1, id2, c1, c2, c3, c4, c5, c6, c7) + values($i, 0, $i, 0, 0, 0, 0, 0, 0); +} +--enable_query_log +analyze table t1; +select count(*) from t1; +--replace_column 9 # +explain select c1 from t1 where c1 > 5 limit 10; +drop table t1; + +--echo # +--echo # MDEV-17414: MyROCKS order desc limit 1 fails +--echo # +create table t1 (date date); +insert into t1 values ('2018-10-04'), ('2018-10-05'); +select * from t1 where date < '2018-10-09' order by date desc limit 1; # Works as expected +alter table t1 add index date_index (date); +select * from t1 where date < '2018-10-05' order by date desc limit 1; # Works as expected +--echo # this should not produce an empty set: +select * from t1 where date < '2018-10-09' order by date desc limit 1; +drop table t1; + |