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-rw-r--r--mysql-test/suite/maria/maria.test46
1 files changed, 46 insertions, 0 deletions
diff --git a/mysql-test/suite/maria/maria.test b/mysql-test/suite/maria/maria.test
index 3fa7d755fe4..7ecf1e33061 100644
--- a/mysql-test/suite/maria/maria.test
+++ b/mysql-test/suite/maria/maria.test
@@ -1963,6 +1963,52 @@ unlock tables;
select count(*) from t1;
drop table t1;
+--echo #
+--echo # BUG#47444 - --myisam_repair_threads > 1 can result in all index
+--echo # cardinalities=1
+--echo #
+SET aria_repair_threads=2;
+SET aria_sort_buffer_size=8192;
+CREATE TABLE t1(a CHAR(255), KEY(a), KEY(a), KEY(a));
+INSERT INTO t1 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(0),(1),(2),(3);
+--replace_regex /Current aria_sort_buffer_size.*/X/
+REPAIR TABLE t1;
+SELECT CARDINALITY FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA='test' AND TABLE_NAME='t1';
+CHECK TABLE t1;
+DROP TABLE t1;
+SET aria_sort_buffer_size=@@global.aria_sort_buffer_size;
+SET aria_repair_threads=@@global.aria_repair_threads;
+
+--echo #
+--echo # BUG#47073 - valgrind errs, corruption,failed repair of partition,
+--echo # low myisam_sort_buffer_size
+--echo #
+CREATE TABLE t1(a INT, b CHAR(10), KEY(a), KEY(b));
+INSERT INTO t1 VALUES(1,'0'),(2,'0'),(3,'0'),(4,'0'),(5,'0'),
+ (6,'0'),(7,'0');
+INSERT INTO t1 SELECT a+10,b FROM t1;
+INSERT INTO t1 SELECT a+20,b FROM t1;
+INSERT INTO t1 SELECT a+40,b FROM t1;
+INSERT INTO t1 SELECT a+80,b FROM t1;
+INSERT INTO t1 SELECT a+160,b FROM t1;
+INSERT INTO t1 SELECT a+320,b FROM t1;
+INSERT INTO t1 SELECT a+640,b FROM t1;
+INSERT INTO t1 SELECT a+1280,b FROM t1;
+INSERT INTO t1 SELECT a+2560,b FROM t1;
+INSERT INTO t1 SELECT a+5120,b FROM t1;
+SET aria_sort_buffer_size=4096;
+--replace_regex /Current aria_sort_buffer_size.*/X/
+REPAIR TABLE t1;
+CHECK TABLE t1;
+SET aria_repair_threads=2;
+# May report different values depending on threads activity.
+--replace_regex /Current aria_sort_buffer_size.*/X/
+REPAIR TABLE t1;
+CHECK TABLE t1;
+SET aria_repair_threads=@@global.aria_repair_threads;
+SET aria_sort_buffer_size=@@global.aria_sort_buffer_size;
+DROP TABLE t1;
+
#
# End of test
#