MDEV-11167: InnoDB: Warning: using a partial-field key prefix in search,...

MDEV-11167: InnoDB: Warning: using a partial-field key prefix in search, results in assertion failure or "Can't find record" error

Fix ha_rnd_init() argument (we do not doing scan but use rnd_pos)

mysql-test/r/partition_innodb.result

@@ -890,3 +890,29 @@ ERROR HY000: Table definition has changed, please retry transaction
 SELECT b FROM t1 WHERE b = 0;
 ERROR HY000: Table definition has changed, please retry transaction
 DROP TABLE t1;
+#
+# MDEV-11167: InnoDB: Warning: using a partial-field key prefix
+# in search, results in assertion failure or "Can't find record" error
+#
+CREATE TABLE t1 (a INT) ENGINE=InnoDB;
+CREATE TABLE t2 (b INT, c INT, KEY(b)) ENGINE=InnoDB PARTITION BY HASH(c) PARTITIONS 2;
+CREATE ALGORITHM = MERGE VIEW v AS SELECT a, b FROM t1 STRAIGHT_JOIN t2 WHERE b = 'foo' WITH CHECK OPTION;
+INSERT INTO t1 VALUES (1),(2);
+INSERT IGNORE INTO t2 VALUES (2,2),('three',3),(4,4);
+Warnings:
+Warning	1366	Incorrect integer value: 'three' for column 'b' at row 2
+UPDATE v SET a = NULL ORDER BY a, b;
+Warnings:
+Warning	1292	Truncated incorrect DOUBLE value: 'foo'
+DROP view v;
+DROP TABLE t1, t2;
+SET @save_isp=@@innodb_stats_persistent;
+SET GLOBAL innodb_stats_persistent= ON;
+CREATE TABLE t (f1 INT, f2 INT, KEY(f2)) ENGINE=InnoDB PARTITION BY HASH (f1) PARTITIONS 2;
+INSERT IGNORE INTO t VALUES (NULL,0),(NULL,0),(0,21),(4,0),(1,8),(5,66);
+CREATE ALGORITHM=MERGE VIEW v AS SELECT t1.* FROM t t1 JOIN t t2 WHERE t1.f1 < t2.f2 WITH LOCAL CHECK OPTION;
+UPDATE v SET f2 = NULL;
+ERROR HY000: CHECK OPTION failed 'test.v'
+SET GLOBAL innodb_stats_persistent= @save_isp;
+DROP view v;
+DROP TABLE t;

mysql-test/t/partition_innodb.test

@@ -996,3 +996,33 @@ SELECT b FROM t1 WHERE b = 0;
 SELECT b FROM t1 WHERE b = 0;
 --disconnect con1
 DROP TABLE t1;
+
+--echo #
+--echo # MDEV-11167: InnoDB: Warning: using a partial-field key prefix
+--echo # in search, results in assertion failure or "Can't find record" error
+--echo #
+
+CREATE TABLE t1 (a INT) ENGINE=InnoDB;
+CREATE TABLE t2 (b INT, c INT, KEY(b)) ENGINE=InnoDB PARTITION BY HASH(c) PARTITIONS 2;
+CREATE ALGORITHM = MERGE VIEW v AS SELECT a, b FROM t1 STRAIGHT_JOIN t2 WHERE b = 'foo' WITH CHECK OPTION;
+ 
+INSERT INTO t1 VALUES (1),(2);
+INSERT IGNORE INTO t2 VALUES (2,2),('three',3),(4,4);
+UPDATE v SET a = NULL ORDER BY a, b;
+ 
+DROP view v;
+DROP TABLE t1, t2;
+
+SET @save_isp=@@innodb_stats_persistent;
+SET GLOBAL innodb_stats_persistent= ON;
+
+CREATE TABLE t (f1 INT, f2 INT, KEY(f2)) ENGINE=InnoDB PARTITION BY HASH (f1) PARTITIONS 2;
+INSERT IGNORE INTO t VALUES (NULL,0),(NULL,0),(0,21),(4,0),(1,8),(5,66);
+CREATE ALGORITHM=MERGE VIEW v AS SELECT t1.* FROM t t1 JOIN t t2 WHERE t1.f1 < t2.f2 WITH LOCAL CHECK OPTION;
+--error ER_VIEW_CHECK_FAILED
+UPDATE v SET f2 = NULL;
+
+SET GLOBAL innodb_stats_persistent= @save_isp;
+DROP view v;
+DROP TABLE t;
+

sql/sql_update.cc

@@ -2309,7 +2309,7 @@ int multi_update::do_updates()
     check_opt_it.rewind();
     while(TABLE *tbl= check_opt_it++)
     {
-      if ((local_error= tbl->file->ha_rnd_init(1)))
+      if ((local_error= tbl->file->ha_rnd_init(0)))
       {
         err_table= tbl;
         goto err;