Merge remote-tracking branch 'origin/5.5' into 10.1

10 files changed, 209 insertions, 6 deletions

diff --git a/mysql-test/r/ctype_binary.result b/mysql-test/r/ctype_binary.result
index 627ba8a35a5..15b44d07ddf 100644
--- a/mysql-test/r/ctype_binary.result
+++ b/mysql-test/r/ctype_binary.result
@@ -102,7 +102,7 @@ create table t1 as select concat(1 % 2) as c1;
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `c1` varbinary(1) DEFAULT NULL
+  `c1` varbinary(2) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 select hex(concat(-1));
diff --git a/mysql-test/r/ctype_cp1251.result b/mysql-test/r/ctype_cp1251.result
index 09344a50ee9..5c35956b5f0 100644
--- a/mysql-test/r/ctype_cp1251.result
+++ b/mysql-test/r/ctype_cp1251.result
@@ -496,7 +496,7 @@ create table t1 as select concat(1 % 2) as c1;
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `c1` varchar(1) CHARACTER SET cp1251 DEFAULT NULL
+  `c1` varchar(2) CHARACTER SET cp1251 DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 select hex(concat(-1));
diff --git a/mysql-test/r/ctype_latin1.result b/mysql-test/r/ctype_latin1.result
index db9ce63fb78..4bb3515bbb1 100644
--- a/mysql-test/r/ctype_latin1.result
+++ b/mysql-test/r/ctype_latin1.result
@@ -790,7 +790,7 @@ create table t1 as select concat(1 % 2) as c1;
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `c1` varchar(1) DEFAULT NULL
+  `c1` varchar(2) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 select hex(concat(-1));
diff --git a/mysql-test/r/ctype_ucs.result b/mysql-test/r/ctype_ucs.result
index c8354a96a87..1c61638432b 100644
--- a/mysql-test/r/ctype_ucs.result
+++ b/mysql-test/r/ctype_ucs.result
@@ -1723,7 +1723,7 @@ create table t1 as select concat(1 % 2) as c1;
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `c1` varchar(1) CHARACTER SET ucs2 DEFAULT NULL
+  `c1` varchar(2) CHARACTER SET ucs2 DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 select hex(concat(-1));
diff --git a/mysql-test/r/ctype_utf8.result b/mysql-test/r/ctype_utf8.result
index dbed2d7473f..9ff12870d75 100644
--- a/mysql-test/r/ctype_utf8.result
+++ b/mysql-test/r/ctype_utf8.result
@@ -2565,7 +2565,7 @@ create table t1 as select concat(1 % 2) as c1;
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `c1` varchar(1) CHARACTER SET utf8 DEFAULT NULL
+  `c1` varchar(2) CHARACTER SET utf8 DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 select hex(concat(-1));
diff --git a/mysql-test/r/func_math.result b/mysql-test/r/func_math.result
index 4215a82e3f0..639ba54d308 100644
--- a/mysql-test/r/func_math.result
+++ b/mysql-test/r/func_math.result
@@ -796,6 +796,64 @@ STDDEV_SAMP(ROUND('0', 309))
 0
 DROP TABLE t1;
 #
+# MDEV-20495 Assertion `precision > 0' failed in decimal_bin_size upon CREATE .. SELECT with zerofilled decimal
+#
+# Testing that dyadic arithmetic operations are symmetric
+# for (+1) and (-1) and produce the same length in CONCAT(),
+# because (+1) and (-1) have the same data type: signed int.
+CREATE TABLE t1 AS SELECT
+CONCAT(+1%2.0),
+CONCAT(-1%2.0),
+CONCAT(+1/2.0),
+CONCAT(-1/2.0),
+CONCAT(+1*2.0),
+CONCAT(-1*2.0),
+CONCAT(+1+2.0),
+CONCAT(-1+2.0),
+CONCAT(+1-2.0),
+CONCAT(-1-2.0);
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `CONCAT(+1%2.0)` varchar(4) DEFAULT NULL,
+  `CONCAT(-1%2.0)` varchar(4) DEFAULT NULL,
+  `CONCAT(+1/2.0)` varchar(8) DEFAULT NULL,
+  `CONCAT(-1/2.0)` varchar(8) DEFAULT NULL,
+  `CONCAT(+1*2.0)` varchar(5) NOT NULL,
+  `CONCAT(-1*2.0)` varchar(5) NOT NULL,
+  `CONCAT(+1+2.0)` varchar(5) NOT NULL,
+  `CONCAT(-1+2.0)` varchar(5) NOT NULL,
+  `CONCAT(+1-2.0)` varchar(5) NOT NULL,
+  `CONCAT(-1-2.0)` varchar(5) NOT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1;
+CREATE TABLE t1 AS SELECT
+CONCAT(+1%2),
+CONCAT(-1%2),
+CONCAT(+1/2),
+CONCAT(-1/2),
+CONCAT(+1*2),
+CONCAT(-1*2),
+CONCAT(+1+2),
+CONCAT(-1+2),
+CONCAT(+1-2),
+CONCAT(-1-2);
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `CONCAT(+1%2)` varchar(2) DEFAULT NULL,
+  `CONCAT(-1%2)` varchar(2) DEFAULT NULL,
+  `CONCAT(+1/2)` varchar(7) DEFAULT NULL,
+  `CONCAT(-1/2)` varchar(7) DEFAULT NULL,
+  `CONCAT(+1*2)` varchar(3) NOT NULL,
+  `CONCAT(-1*2)` varchar(3) NOT NULL,
+  `CONCAT(+1+2)` varchar(3) NOT NULL,
+  `CONCAT(-1+2)` varchar(3) NOT NULL,
+  `CONCAT(+1-2)` varchar(3) NOT NULL,
+  `CONCAT(-1-2)` varchar(3) NOT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1;
+#
 # End of 5.5 tests
 #
 #
diff --git a/mysql-test/r/func_time.result b/mysql-test/r/func_time.result
index 25f3484b718..c6e6884a7e2 100644
--- a/mysql-test/r/func_time.result
+++ b/mysql-test/r/func_time.result
@@ -2152,7 +2152,7 @@ Warning	1292	Truncated incorrect DECIMAL value: '2005-05-0410'
 SHOW CREATE TABLE t2;
 Table	Create Table
 t2	CREATE TABLE `t2` (
-  `f2` varchar(26) DEFAULT NULL
+  `f2` varchar(28) DEFAULT NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 SELECT * FROM t2;
 f2
diff --git a/mysql-test/r/type_newdecimal.result b/mysql-test/r/type_newdecimal.result
index 2246784df42..dc6ef3c59e2 100644
--- a/mysql-test/r/type_newdecimal.result
+++ b/mysql-test/r/type_newdecimal.result
@@ -2040,6 +2040,70 @@ t1	CREATE TABLE `t1` (
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 DROP TABLE t1;
 #
+# MDEV-20495 Assertion `precision > 0' failed in decimal_bin_size upon CREATE .. SELECT with zerofilled decimal
+#
+CREATE TABLE t1 (d DECIMAL(1,0) ZEROFILL);
+CREATE TABLE t2 AS SELECT 0 MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `f` decimal(1,0) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1, t2;
+CREATE TABLE t1 (d DECIMAL(1,0) UNSIGNED);
+CREATE TABLE t2 AS SELECT 0 MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `f` decimal(1,0) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE IF EXISTS t1,t2;
+CREATE TABLE t1 (d DECIMAL(1,0) ZEROFILL);
+CREATE TABLE t2 AS SELECT CAST(0 AS UNSIGNED) MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `f` decimal(1,0) unsigned DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1, t2;
+CREATE TABLE t1 (d DECIMAL(1,0) UNSIGNED);
+CREATE TABLE t2 AS SELECT CAST(0 AS UNSIGNED) MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `f` decimal(1,0) unsigned DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1,t2;
+#
+# MDEV-20560 Assertion `precision > 0' failed in decimal_bin_size upon SELECT with MOD short unsigned decimal
+#
+CREATE TABLE t1 (a DECIMAL(1,0) UNSIGNED);
+INSERT INTO t1 VALUES (1.0),(2.0);
+SELECT DISTINCT 1 MOD a FROM t1;
+1 MOD a
+0
+1
+CREATE TABLE t2 AS SELECT DISTINCT 1 MOD a AS f FROM t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `f` decimal(1,0) DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1, t2;
+CREATE TABLE t1 (a DECIMAL(1,0) UNSIGNED);
+INSERT INTO t1 VALUES (1.0),(2.0);
+SELECT DISTINCT 1 MOD a FROM t1;
+1 MOD a
+0
+1
+CREATE TABLE t2 AS SELECT DISTINCT CAST(1 AS UNSIGNED) MOD a AS f FROM t1;
+SHOW CREATE TABLE t2;
+Table	Create Table
+t2	CREATE TABLE `t2` (
+  `f` decimal(1,0) unsigned DEFAULT NULL
+) ENGINE=MyISAM DEFAULT CHARSET=latin1
+DROP TABLE t1, t2;
+#
 # End of 5.5 tests
 #
 #
diff --git a/mysql-test/t/func_math.test b/mysql-test/t/func_math.test
index 4c2d7921593..bb9e46c4378 100644
--- a/mysql-test/t/func_math.test
+++ b/mysql-test/t/func_math.test
@@ -587,6 +587,44 @@ INSERT INTO t1 VALUES (1),(2);
 SELECT STDDEV_SAMP(ROUND('0', 309)) FROM t1;
 DROP TABLE t1;
 
+
+--echo #
+--echo # MDEV-20495 Assertion `precision > 0' failed in decimal_bin_size upon CREATE .. SELECT with zerofilled decimal
+--echo #
+
+--echo # Testing that dyadic arithmetic operations are symmetric
+--echo # for (+1) and (-1) and produce the same length in CONCAT(),
+--echo # because (+1) and (-1) have the same data type: signed int.
+
+CREATE TABLE t1 AS SELECT
+  CONCAT(+1%2.0),
+  CONCAT(-1%2.0),
+  CONCAT(+1/2.0),
+  CONCAT(-1/2.0),
+  CONCAT(+1*2.0),
+  CONCAT(-1*2.0),
+  CONCAT(+1+2.0),
+  CONCAT(-1+2.0),
+  CONCAT(+1-2.0),
+  CONCAT(-1-2.0);
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
+CREATE TABLE t1 AS SELECT
+  CONCAT(+1%2),
+  CONCAT(-1%2),
+  CONCAT(+1/2),
+  CONCAT(-1/2),
+  CONCAT(+1*2),
+  CONCAT(-1*2),
+  CONCAT(+1+2),
+  CONCAT(-1+2),
+  CONCAT(+1-2),
+  CONCAT(-1-2);
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
+
 --echo #
 --echo # End of 5.5 tests
 --echo #
diff --git a/mysql-test/t/type_newdecimal.test b/mysql-test/t/type_newdecimal.test
index 03e55831972..9b1beeb3f51 100644
--- a/mysql-test/t/type_newdecimal.test
+++ b/mysql-test/t/type_newdecimal.test
@@ -1625,6 +1625,49 @@ SHOW CREATE TABLE t1;
 DROP TABLE t1;
 
 --echo #
+--echo # MDEV-20495 Assertion `precision > 0' failed in decimal_bin_size upon CREATE .. SELECT with zerofilled decimal
+--echo #
+
+CREATE TABLE t1 (d DECIMAL(1,0) ZEROFILL);
+CREATE TABLE t2 AS SELECT 0 MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (d DECIMAL(1,0) UNSIGNED);
+CREATE TABLE t2 AS SELECT 0 MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+DROP TABLE IF EXISTS t1,t2;
+
+CREATE TABLE t1 (d DECIMAL(1,0) ZEROFILL);
+CREATE TABLE t2 AS SELECT CAST(0 AS UNSIGNED) MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (d DECIMAL(1,0) UNSIGNED);
+CREATE TABLE t2 AS SELECT CAST(0 AS UNSIGNED) MOD d AS f FROM t1;
+SHOW CREATE TABLE t2;
+DROP TABLE t1,t2;
+
+--echo #
+--echo # MDEV-20560 Assertion `precision > 0' failed in decimal_bin_size upon SELECT with MOD short unsigned decimal
+--echo #
+
+CREATE TABLE t1 (a DECIMAL(1,0) UNSIGNED);
+INSERT INTO t1 VALUES (1.0),(2.0);
+SELECT DISTINCT 1 MOD a FROM t1;
+CREATE TABLE t2 AS SELECT DISTINCT 1 MOD a AS f FROM t1;
+SHOW CREATE TABLE t2;
+DROP TABLE t1, t2;
+
+CREATE TABLE t1 (a DECIMAL(1,0) UNSIGNED);
+INSERT INTO t1 VALUES (1.0),(2.0);
+SELECT DISTINCT 1 MOD a FROM t1;
+CREATE TABLE t2 AS SELECT DISTINCT CAST(1 AS UNSIGNED) MOD a AS f FROM t1;
+SHOW CREATE TABLE t2;
+DROP TABLE t1, t2;
+
+
+--echo #
 --echo # End of 5.5 tests
 --echo #