MDEV-12784 Change Item_func_length::print() to display octet_length() rather than length()

mysql-test/r/ctype_binary.result

@@ -3037,7 +3037,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a'
 DROP TABLE t1;
 #
 # End of MDEV-8694
@@ -3070,7 +3070,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a), CRC32(a) FROM t1 WHERE a='a' AND CRC32(a)=
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)`,crc32(`test`.`t1`.`a`) AS `CRC32(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a'
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)`,crc32(`test`.`t1`.`a`) AS `CRC32(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a'
 SELECT a, HEX(a) FROM t1 WHERE HEX(a)='61';
 a	HEX(a)
 a	61

mysql-test/r/ctype_cp1250_ch.result

@@ -220,7 +220,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
 DROP TABLE t1;
 #
 # End of MDEV-8694

mysql-test/r/ctype_latin1.result

@@ -7817,7 +7817,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694
@@ -7938,7 +7938,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694
@@ -8160,7 +8160,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a), CRC32(a) FROM t1 WHERE a='a' AND CRC32(a)=
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)`,crc32(`test`.`t1`.`a`) AS `CRC32(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and crc32(`test`.`t1`.`a`) = 3904355907
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)`,crc32(`test`.`t1`.`a`) AS `CRC32(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and crc32(`test`.`t1`.`a`) = 3904355907
 SELECT a, HEX(a) FROM t1 WHERE HEX(a)='61';
 a	HEX(a)
 a	61
@@ -8188,7 +8188,7 @@ EXPLAIN EXTENDED SELECT * FROM t1 WHERE a='a' AND LENGTH(a)=2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a' and length(`test`.`t1`.`a`) = 2
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 'a' and octet_length(`test`.`t1`.`a`) = 2
 DROP TABLE t1;
 #
 # MDEV-8712 Wrong result for SELECT..WHERE latin1_bin_column=_latin1'a' AND latin1_bin_column='A'

mysql-test/r/ctype_latin2_ch.result

@@ -160,7 +160,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694

mysql-test/r/ctype_tis620.result

@@ -3230,7 +3230,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694
@@ -3446,7 +3446,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694

mysql-test/r/ctype_uca.result

@@ -8547,7 +8547,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
 DROP TABLE t1;
 #
 # End of MDEV-8694
@@ -8705,7 +8705,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
 DROP TABLE t1;
 #
 # End of MDEV-8694

mysql-test/r/ctype_ucs.result

@@ -5465,7 +5465,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694
@@ -5586,7 +5586,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694

mysql-test/r/ctype_utf8.result

@@ -6918,7 +6918,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a` = 'a' and `test`.`t1`.`a`  not like 'a '
 DROP TABLE t1;
 #
 # End of MDEV-8694
@@ -7039,7 +7039,7 @@ EXPLAIN EXTENDED SELECT a, LENGTH(a) FROM t1 WHERE a NOT LIKE 'a ' AND a='a';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
+Note	1003	select `test`.`t1`.`a` AS `a`,octet_length(`test`.`t1`.`a`) AS `LENGTH(a)` from `test`.`t1` where `test`.`t1`.`a`  not like 'a ' and `test`.`t1`.`a` = 'a'
 DROP TABLE t1;
 #
 # End of MDEV-8694

mysql-test/r/default.result

@@ -2901,7 +2901,7 @@ SHOW CREATE TABLE t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` int(11) DEFAULT length(`a`),
+  `b` int(11) DEFAULT octet_length(`a`),
   `c` int(11) DEFAULT char_length(`a`),
   `d` int(11) DEFAULT bit_length(`a`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1

mysql-test/r/func_compress.result

@@ -22,7 +22,7 @@ explain extended select uncompressed_length(compress(@test_compress_string))=len
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select uncompressed_length(compress(@`test_compress_string`)) = length(@`test_compress_string`) AS `uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)`
+Note	1003	select uncompressed_length(compress(@`test_compress_string`)) = octet_length(@`test_compress_string`) AS `uncompressed_length(compress(@test_compress_string))=length(@test_compress_string)`
 select uncompressed_length(compress(@test_compress_string));
 uncompressed_length(compress(@test_compress_string))
 117

mysql-test/r/func_str.result

@@ -966,7 +966,7 @@ explain extended select length('\n\t\r\b\0\_\%\\');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select length('\n	\r\0\\_\\%\\') AS `length('\n\t\r\b\0\_\%\\')`
+Note	1003	select octet_length('\n	\r\0\\_\\%\\') AS `length('\n\t\r\b\0\_\%\\')`
 explain extended select bit_length('\n\t\r\b\0\_\%\\');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
@@ -986,7 +986,7 @@ explain extended select length('hello');
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 Warnings:
-Note	1003	select length('hello') AS `length('hello')`
+Note	1003	select octet_length('hello') AS `length('hello')`
 explain extended select char(ascii('h'));
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
@@ -1425,7 +1425,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t2	const	PRIMARY	PRIMARY	12	const	1	100.00	Using index
 1	SIMPLE	t1	ref	code	code	13	const	3	100.00	Using where; Using index
 Warnings:
-Note	1003	select `test`.`t1`.`code` AS `code`,'a12' AS `id` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`code` = 'a12' and length(`test`.`t1`.`code`) = 5
+Note	1003	select `test`.`t1`.`code` AS `code`,'a12' AS `id` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`code` = 'a12' and octet_length(`test`.`t1`.`code`) = 5
 DROP TABLE t1,t2;
 select encode(NULL, NULL);
 encode(NULL, NULL)

mysql-test/r/range.result

@@ -2581,7 +2581,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 12,
       "filtered": 100,
-      "attached_condition": "(t1.a,t2.e) in (<cache>((3,3)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
+      "attached_condition": "(t1.a,t2.e) in (<cache>((3,3)),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1"
     }
   }
 }
@@ -2666,7 +2666,7 @@ EXPLAIN
       "used_key_parts": ["e"],
       "rows": 6,
       "filtered": 100,
-      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1 and t2.d is not null"
+      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1 and t2.d is not null"
     },
     "table": {
       "table_name": "t1",
@@ -2716,7 +2716,7 @@ EXPLAIN
       "rows": 5,
       "filtered": 100,
       "index_condition": "t2.d is not null",
-      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
+      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1"
     },
     "table": {
       "table_name": "t1",
@@ -2776,7 +2776,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "(t1.a,t2.e) in ((4,t1.a + 1),(7,t1.a + 1),(8,t1.a + 1)) and length(t2.f) = 1"
+      "attached_condition": "(t1.a,t2.e) in ((4,t1.a + 1),(7,t1.a + 1),(8,t1.a + 1)) and octet_length(t2.f) = 1"
     }
   }
 }
@@ -2830,7 +2830,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "(t1.a,t2.e) in ((t2.e,t1.a + 1),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
+      "attached_condition": "(t1.a,t2.e) in ((t2.e,t1.a + 1),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1"
     }
   }
 }
@@ -2870,7 +2870,7 @@ EXPLAIN
       "rows": 13,
       "filtered": 100,
       "index_condition": "t1.a is not null",
-      "attached_condition": "(t1.a,2) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and length(t1.c) = 1"
+      "attached_condition": "(t1.a,2) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and octet_length(t1.c) = 1"
     },
     "table": {
       "table_name": "t2",
@@ -2882,7 +2882,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "length(t2.f) = 1"
+      "attached_condition": "octet_length(t2.f) = 1"
     }
   }
 }
@@ -2958,7 +2958,7 @@ EXPLAIN
       "rows": 13,
       "filtered": 100,
       "index_condition": "t1.a is not null",
-      "attached_condition": "(t1.a,1 + 1) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and length(t1.c) = 1"
+      "attached_condition": "(t1.a,1 + 1) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and octet_length(t1.c) = 1"
     },
     "table": {
       "table_name": "t2",
@@ -2970,7 +2970,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "length(t2.f) = 1"
+      "attached_condition": "octet_length(t2.f) = 1"
     }
   }
 }

mysql-test/r/range_mrr_icp.result

@@ -2588,7 +2588,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 12,
       "filtered": 100,
-      "attached_condition": "(t1.a,t2.e) in (<cache>((3,3)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
+      "attached_condition": "(t1.a,t2.e) in (<cache>((3,3)),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1"
     }
   }
 }
@@ -2673,7 +2673,7 @@ EXPLAIN
       "used_key_parts": ["e"],
       "rows": 6,
       "filtered": 100,
-      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1 and t2.d is not null",
+      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1 and t2.d is not null",
       "mrr_type": "Rowid-ordered scan"
     },
     "table": {
@@ -2724,7 +2724,7 @@ EXPLAIN
       "rows": 5,
       "filtered": 100,
       "index_condition": "t2.d is not null",
-      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1",
+      "attached_condition": "(t2.d,t2.e) in (<cache>((4,4)),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1",
       "mrr_type": "Rowid-ordered scan"
     },
     "table": {
@@ -2786,7 +2786,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "(t1.a,t2.e) in ((4,t1.a + 1),(7,t1.a + 1),(8,t1.a + 1)) and length(t2.f) = 1"
+      "attached_condition": "(t1.a,t2.e) in ((4,t1.a + 1),(7,t1.a + 1),(8,t1.a + 1)) and octet_length(t2.f) = 1"
     }
   }
 }
@@ -2840,7 +2840,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "(t1.a,t2.e) in ((t2.e,t1.a + 1),<cache>((7,7)),<cache>((8,8))) and length(t2.f) = 1"
+      "attached_condition": "(t1.a,t2.e) in ((t2.e,t1.a + 1),<cache>((7,7)),<cache>((8,8))) and octet_length(t2.f) = 1"
     }
   }
 }
@@ -2880,7 +2880,7 @@ EXPLAIN
       "rows": 13,
       "filtered": 100,
       "index_condition": "t1.a is not null",
-      "attached_condition": "(t1.a,2) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and length(t1.c) = 1",
+      "attached_condition": "(t1.a,2) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and octet_length(t1.c) = 1",
       "mrr_type": "Rowid-ordered scan"
     },
     "table": {
@@ -2893,7 +2893,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "length(t2.f) = 1"
+      "attached_condition": "octet_length(t2.f) = 1"
     }
   }
 }
@@ -2969,7 +2969,7 @@ EXPLAIN
       "rows": 13,
       "filtered": 100,
       "index_condition": "t1.a is not null",
-      "attached_condition": "(t1.a,1 + 1) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and length(t1.c) = 1",
+      "attached_condition": "(t1.a,1 + 1) in (<cache>((2,2)),<cache>((7,7)),<cache>((8,8))) and octet_length(t1.c) = 1",
       "mrr_type": "Rowid-ordered scan"
     },
     "table": {
@@ -2982,7 +2982,7 @@ EXPLAIN
       "ref": ["test.t1.a"],
       "rows": 3,
       "filtered": 100,
-      "attached_condition": "length(t2.f) = 1"
+      "attached_condition": "octet_length(t2.f) = 1"
     }
   }
 }

mysql-test/r/type_date.result

@@ -615,14 +615,14 @@ SELECT * FROM t1 WHERE LENGTH(a)=11+RAND() AND a=' 2001-01-01';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2001-01-01' and <cache>(length(DATE'2001-01-01')) = 11 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2001-01-01' and <cache>(octet_length(DATE'2001-01-01')) = 11 + rand()
 EXPLAIN EXTENDED
 SELECT * FROM t1 WHERE LENGTH(a)=11+RAND() AND a=' garbage ';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Warning	1292	Incorrect datetime value: ' garbage '
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'0000-00-00' and <cache>(length(DATE'0000-00-00')) = 11 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'0000-00-00' and <cache>(octet_length(DATE'0000-00-00')) = 11 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATE);
 INSERT INTO t1 VALUES ('2001-01-01'),('2001-01-01');
@@ -641,7 +641,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=8+RAND() AND a='20010101';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2001-01-01' and <cache>(length(DATE'2001-01-01')) = 8 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2001-01-01' and <cache>(octet_length(DATE'2001-01-01')) = 8 + rand()
 DROP TABLE t1;
 #
 # MDEV-8706 Wrong result for SELECT..WHERE time_column=TIMESTAMP'2015-08-30 00:00:00' AND time_column='00:00:00'
@@ -670,7 +670,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2015-08-30' and <cache>(length(DATE'2015-08-30')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2015-08-30' and <cache>(octet_length(DATE'2015-08-30')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATE);
 INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
@@ -695,7 +695,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'24:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2015-08-31' and <cache>(length(DATE'2015-08-31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2015-08-31' and <cache>(octet_length(DATE'2015-08-31')) = 30 + rand()
 DROP TABLE t1;
 # In this example '00:00:00' is not recognized as TIME'00:00:00'
 # and is treated as DATE'0000-00-00'.
@@ -721,7 +721,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'0000-00-00' and <cache>(length(DATE'0000-00-00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'0000-00-00' and <cache>(octet_length(DATE'0000-00-00')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATE);
 INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
@@ -746,7 +746,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2015-08-30 00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2015-08-30 00:00:00' and <cache>(length(DATE'2015-08-30')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2015-08-30 00:00:00' and <cache>(octet_length(DATE'2015-08-30')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATE);
 INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
@@ -769,7 +769,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2015-08-30 00:00:00.1
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2015-08-30 00:00:00.1' and <cache>(length(DATE'2015-08-30')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2015-08-30 00:00:00.1' and <cache>(octet_length(DATE'2015-08-30')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATE);
 INSERT INTO t1 VALUES ('2015-08-30'),('2015-08-31');
@@ -794,7 +794,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='2015-08-30 00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2015-08-30' and <cache>(length(DATE'2015-08-30')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = DATE'2015-08-30' and <cache>(octet_length(DATE'2015-08-30')) = 30 + rand()
 DROP TABLE t1;
 SET timestamp=DEFAULT;
 #

mysql-test/r/type_datetime.result

@@ -984,7 +984,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Warning	1292	Truncated incorrect datetime value: '2001-01-01 00:00:00x'
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) <> 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) <> 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATETIME);;
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
@@ -1006,14 +1006,14 @@ SELECT * FROM t1 WHERE LENGTH(a)=19+RAND() AND a=' 2001-01-01 00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) = 19 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) = 19 + rand()
 EXPLAIN EXTENDED
 SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=' garbage ';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Warning	1292	Incorrect datetime value: ' garbage '
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-00 00:00:00' and <cache>(length(TIMESTAMP'0000-00-00 00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-00 00:00:00' and <cache>(octet_length(TIMESTAMP'0000-00-00 00:00:00')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATETIME);;
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
@@ -1038,7 +1038,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2001-01-01 00:00:00.0
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DATETIME(6));;
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00.000000'),('2001-01-01 00:00:01.000000');
@@ -1063,7 +1063,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=40+RAND() AND a=TIMESTAMP'2001-01-01 00:00:00.0
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00.000000')) = 40 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00.000000')) = 40 + rand()
 DROP TABLE t1;
 SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30');
 CREATE TABLE t1 (a DATETIME);;
@@ -1089,7 +1089,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=40+RAND() AND a=TIME'00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) = 40 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) = 40 + rand()
 DROP TABLE t1;
 #
 # MDEV-8795 Equal expression propagation does not work for temporal literals

mysql-test/r/type_float.result

@@ -562,7 +562,7 @@ SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=100e0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 100e0 and <cache>(length(100)) <> rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 100e0 and <cache>(octet_length(100)) <> rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DOUBLE(10,1));
 INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
@@ -582,7 +582,7 @@ SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=1.10e0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10e0 and <cache>(length(1.1)) <> rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10e0 and <cache>(octet_length(1.1)) <> rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DOUBLE(10,2));
 INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
@@ -602,7 +602,7 @@ SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=1.10e0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10e0 and <cache>(length(1.10)) <> rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10e0 and <cache>(octet_length(1.10)) <> rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DOUBLE(10,3));
 INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
@@ -622,7 +622,7 @@ SELECT * FROM t1 WHERE LENGTH(a)!=RAND() AND a=1.10e0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10e0 and <cache>(length(1.100)) <> rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10e0 and <cache>(octet_length(1.100)) <> rand()
 DROP TABLE t1;
 #
 # MDEV-8741 Equal field propagation leaves some remainders after simplifying WHERE zerofill_column=2010 AND zerofill_column>=2010

mysql-test/r/type_newdecimal.result

@@ -2086,7 +2086,7 @@ SELECT * FROM t1 WHERE LENGTH(a)!=rand() AND a=1.10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10 and <cache>(length(1.1)) <> rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10 and <cache>(octet_length(1.1)) <> rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DECIMAL(10,2));
 INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
@@ -2106,7 +2106,7 @@ SELECT * FROM t1 WHERE LENGTH(a)!=rand() AND a=1.10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10 and <cache>(length(1.10)) <> rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10 and <cache>(octet_length(1.10)) <> rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a DECIMAL(10,3));
 INSERT INTO t1 VALUES (1.1),(1.2),(1.3);
@@ -2126,7 +2126,7 @@ SELECT * FROM t1 WHERE LENGTH(a)!=rand() AND a=1.10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10 and <cache>(length(1.100)) <> rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = 1.10 and <cache>(octet_length(1.100)) <> rand()
 DROP TABLE t1;
 #
 # MDEV-8741 Equal field propagation leaves some remainders after simplifying WHERE zerofill_column=2010 AND zerofill_column>=2010

mysql-test/r/type_time.result

@@ -424,7 +424,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Warning	1292	Truncated incorrect time value: '00:00:00x'
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(length(TIME'00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(octet_length(TIME'00:00:00')) = 30 + rand()
 DROP TABLE t1;
 # Trailing fractional digits in string literals
 CREATE TABLE t1 (a TIME);
@@ -447,7 +447,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='00:00:00.000000';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(length(TIME'00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(octet_length(TIME'00:00:00')) = 30 + rand()
 DROP TABLE t1;
 # Trailing fractional digits in temporal literals
 CREATE TABLE t1 (a TIME);
@@ -470,7 +470,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'00:00:00.000000';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00.000000' and <cache>(length(TIME'00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00.000000' and <cache>(octet_length(TIME'00:00:00')) = 30 + rand()
 DROP TABLE t1;
 # Trailing fractional digits in temporal literals, same precision
 CREATE TABLE t1 (a TIME(6));
@@ -490,7 +490,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'00:00:00.000000';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00.000000' and <cache>(length(TIME'00:00:00.000000')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00.000000' and <cache>(octet_length(TIME'00:00:00.000000')) = 30 + rand()
 DROP TABLE t1;
 # Leading spaces in string literals
 CREATE TABLE t1 (a TIME);
@@ -513,7 +513,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=' 00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(length(TIME'00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(octet_length(TIME'00:00:00')) = 30 + rand()
 DROP TABLE t1;
 # Numeric format in string literals
 CREATE TABLE t1 (a TIME);
@@ -536,7 +536,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='000000';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(length(TIME'00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'00:00:00' and <cache>(octet_length(TIME'00:00:00')) = 30 + rand()
 DROP TABLE t1;
 # 
 # MDEV-8766 Wrong result for SELECT..WHERE LENGTH(time_column)=8 AND time_column=TIMESTAMP'2001-01-01 10:20:31'
@@ -565,7 +565,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2001-01-01 10:20:31';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31' and <cache>(length(TIME'10:20:31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31' and <cache>(octet_length(TIME'10:20:31')) = 30 + rand()
 DROP TABLE t1;
 # TIMESTAMP literal with a bigger scale and fractional second truncation
 # Ok to propagate with precision truncation
@@ -589,7 +589,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2001-01-01 10:20:31.1
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(length(TIME'10:20:31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(octet_length(TIME'10:20:31')) = 30 + rand()
 DROP TABLE t1;
 # TIMESTAMP literal with a bigger scale and no fractional second truncation
 # Ok to propagate
@@ -615,7 +615,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2001-01-01 10:20:31.0
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31' and <cache>(length(TIME'10:20:31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31' and <cache>(octet_length(TIME'10:20:31')) = 30 + rand()
 DROP TABLE t1;
 # TIMESTAMP literal with a smaller scale
 # Ok to propagate
@@ -638,7 +638,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2001-01-01 10:20:31.1
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(length(TIME'10:20:31.123000')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(octet_length(TIME'10:20:31.123000')) = 30 + rand()
 DROP TABLE t1;
 # TIME literal with a bigger scale and fractional second truncation
 # Ok to propagate with precision truncation
@@ -662,7 +662,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'10:20:31.123';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123' and <cache>(length(TIME'10:20:31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123' and <cache>(octet_length(TIME'10:20:31')) = 30 + rand()
 DROP TABLE t1;
 # TIME literal with a bigger scale and no fractional second truncation
 # Ok to propagate
@@ -688,7 +688,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'10:20:31.000';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.000' and <cache>(length(TIME'10:20:31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.000' and <cache>(octet_length(TIME'10:20:31')) = 30 + rand()
 DROP TABLE t1;
 # TIME literal with a smaller scale
 # Ok to propagate
@@ -711,7 +711,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIME'10:20:31.123';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123' and <cache>(length(TIME'10:20:31.123000')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123' and <cache>(octet_length(TIME'10:20:31.123000')) = 30 + rand()
 DROP TABLE t1;
 # TIME-alike string literal with a bigger scale and fractional second truncation
 # Ok to propagate with precision truncation
@@ -735,7 +735,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='10:20:31.123';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(length(TIME'10:20:31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(octet_length(TIME'10:20:31')) = 30 + rand()
 DROP TABLE t1;
 # TIME-alike string literal with a bigger scale and no fractional second truncation
 # Ok to propagate
@@ -761,7 +761,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='10:20:31.000';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31' and <cache>(length(TIME'10:20:31')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31' and <cache>(octet_length(TIME'10:20:31')) = 30 + rand()
 DROP TABLE t1;
 # TIME-alike string literal with a smaller scale
 # Ok to propagate
@@ -784,7 +784,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a='10:20:31.123';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(length(TIME'10:20:31.123000')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:31.123000' and <cache>(octet_length(TIME'10:20:31.123000')) = 30 + rand()
 DROP TABLE t1;
 SET timestamp=DEFAULT;
 SET @@old_mode=zero_date_time_cast;
@@ -821,7 +821,7 @@ SELECT * FROM t1 WHERE a=TIMESTAMP'0000-00-00 10:20:30' AND LENGTH(a)=30+RAND();
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:30' and <cache>(length(TIME'10:20:30')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:30' and <cache>(octet_length(TIME'10:20:30')) = 30 + rand()
 # Old mode, TIMESTAMP literal, zon-zero YYYYMMDD, no propagation
 SELECT * FROM t1 WHERE a=TIMESTAMP'0000-00-01 10:20:30';
 a
@@ -834,13 +834,13 @@ SELECT * FROM t1 WHERE a=TIMESTAMP'0000-00-01 10:20:30' AND LENGTH(a)=8;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-01 10:20:30' and length(`test`.`t1`.`a`) = 8
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-01 10:20:30' and octet_length(`test`.`t1`.`a`) = 8
 EXPLAIN EXTENDED
 SELECT * FROM t1 WHERE a=TIMESTAMP'0000-00-01 10:20:30' AND LENGTH(a)=30+RAND();
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-01 10:20:30' and length(`test`.`t1`.`a`) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-01 10:20:30' and octet_length(`test`.`t1`.`a`) = 30 + rand()
 # Old mode, TIMESTAMP-alike string literal, zero YYYYMMDD, Ok to propagate
 SELECT * FROM t1 WHERE a='0000-00-00 10:20:30';
 a
@@ -859,7 +859,7 @@ SELECT * FROM t1 WHERE a='0000-00-00 10:20:30' AND LENGTH(a)=30+RAND();
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:30' and <cache>(length(TIME'10:20:30')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIME'10:20:30' and <cache>(octet_length(TIME'10:20:30')) = 30 + rand()
 # Old mode, TIMESTAMP-alike literal, zon-zero YYYYMMDD, no propagation
 SELECT * FROM t1 WHERE a='0000-00-01 10:20:30';
 a
@@ -872,13 +872,13 @@ SELECT * FROM t1 WHERE a='0000-00-01 10:20:30' AND LENGTH(a)=8;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = '0000-00-01 10:20:30' and length(`test`.`t1`.`a`) = 8
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = '0000-00-01 10:20:30' and octet_length(`test`.`t1`.`a`) = 8
 EXPLAIN EXTENDED
 SELECT * FROM t1 WHERE a='0000-00-01 10:20:30' AND LENGTH(a)=30+RAND();
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	8	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = '0000-00-01 10:20:30' and length(`test`.`t1`.`a`) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = '0000-00-01 10:20:30' and octet_length(`test`.`t1`.`a`) = 30 + rand()
 DROP TABLE t1;
 SET @@old_mode=DEFAULT;
 #

mysql-test/r/type_timestamp.result

@@ -840,7 +840,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Warning	1292	Truncated incorrect datetime value: '2001-01-01 00:00:00x'
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) <> 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) <> 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a TIMESTAMP);;
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
@@ -862,14 +862,14 @@ SELECT * FROM t1 WHERE LENGTH(a)=19+RAND() AND a=' 2001-01-01 00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) = 19 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) = 19 + rand()
 EXPLAIN EXTENDED
 SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=' garbage ';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Warning	1292	Incorrect datetime value: ' garbage '
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-00 00:00:00' and <cache>(length(TIMESTAMP'0000-00-00 00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'0000-00-00 00:00:00' and <cache>(octet_length(TIMESTAMP'0000-00-00 00:00:00')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a TIMESTAMP);;
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00'),('2001-01-01 00:00:01');
@@ -894,7 +894,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=30+RAND() AND a=TIMESTAMP'2001-01-01 00:00:00.0
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) = 30 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) = 30 + rand()
 DROP TABLE t1;
 CREATE TABLE t1 (a TIMESTAMP(6));;
 INSERT INTO t1 VALUES ('2001-01-01 00:00:00.000000'),('2001-01-01 00:00:01.000000');
@@ -919,7 +919,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=40+RAND() AND a=TIMESTAMP'2001-01-01 00:00:00.0
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00.000000')) = 40 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00.000000' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00.000000')) = 40 + rand()
 DROP TABLE t1;
 SET timestamp=UNIX_TIMESTAMP('2001-01-01 10:20:30');
 CREATE TABLE t1 (a TIMESTAMP);;
@@ -945,7 +945,7 @@ SELECT * FROM t1 WHERE LENGTH(a)=40+RAND() AND a=TIME'00:00:00';
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(length(TIMESTAMP'2001-01-01 00:00:00')) = 40 + rand()
+Note	1003	select `test`.`t1`.`a` AS `a` from `test`.`t1` where `test`.`t1`.`a` = TIMESTAMP'2001-01-01 00:00:00' and <cache>(octet_length(TIMESTAMP'2001-01-01 00:00:00')) = 40 + rand()
 DROP TABLE t1;
 #
 # End of 10.1 tests

mysql-test/r/view.result

@@ -4582,7 +4582,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	100.00	Using where
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
-Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`a` = `test`.`t1`.`a`) where `test`.`t1`.`b` = 1 or `test`.`t1`.`a` = 'a' and length(`test`.`t1`.`a`) >= `test`.`t1`.`b`
+Note	1003	select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`a` = `test`.`t1`.`a`) where `test`.`t1`.`b` = 1 or `test`.`t1`.`a` = 'a' and octet_length(`test`.`t1`.`a`) >= `test`.`t1`.`b`
 DROP VIEW v1;
 DROP TABLE t1,t2;
 # Bug#798625: duplicate of the previous one, but without crash  

mysql-test/suite/gcol/r/gcol_supported_sql_funcs_innodb.result

@@ -915,7 +915,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
   `b` varchar(10) DEFAULT NULL,
-  `c` varchar(20) GENERATED ALWAYS AS (insert(`a`,length(`a`),length(`b`),`b`)) VIRTUAL
+  `c` varchar(20) GENERATED ALWAYS AS (insert(`a`,octet_length(`a`),octet_length(`b`),`b`)) VIRTUAL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
 insert into t1 values ('start,','end',default);
 select * from t1;
@@ -978,7 +978,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
+  `b` int(11) GENERATED ALWAYS AS (octet_length(`a`)) VIRTUAL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
 insert into t1 values ('text',default);
 select * from t1;
@@ -1142,7 +1142,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
+  `b` int(11) GENERATED ALWAYS AS (octet_length(`a`)) VIRTUAL
 ) ENGINE=InnoDB DEFAULT CHARSET=latin1
 insert into t1 values ('text',default);
 select * from t1;

mysql-test/suite/gcol/r/gcol_supported_sql_funcs_myisam.result

@@ -915,7 +915,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
   `b` varchar(10) DEFAULT NULL,
-  `c` varchar(20) GENERATED ALWAYS AS (insert(`a`,length(`a`),length(`b`),`b`)) VIRTUAL
+  `c` varchar(20) GENERATED ALWAYS AS (insert(`a`,octet_length(`a`),octet_length(`b`),`b`)) VIRTUAL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 insert into t1 values ('start,','end',default);
 select * from t1;
@@ -978,7 +978,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
+  `b` int(11) GENERATED ALWAYS AS (octet_length(`a`)) VIRTUAL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 insert into t1 values ('text',default);
 select * from t1;
@@ -1142,7 +1142,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
+  `b` int(11) GENERATED ALWAYS AS (octet_length(`a`)) VIRTUAL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 insert into t1 values ('text',default);
 select * from t1;

mysql-test/suite/vcol/r/vcol_supported_sql_funcs.result

@@ -915,7 +915,7 @@ Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
   `b` varchar(10) DEFAULT NULL,
-  `c` varchar(20) GENERATED ALWAYS AS (insert(`a`,length(`a`),length(`b`),`b`)) VIRTUAL
+  `c` varchar(20) GENERATED ALWAYS AS (insert(`a`,octet_length(`a`),octet_length(`b`),`b`)) VIRTUAL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 insert into t1 values ('start,','end',default);
 select * from t1;
@@ -978,7 +978,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
+  `b` int(11) GENERATED ALWAYS AS (octet_length(`a`)) VIRTUAL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 insert into t1 values ('text',default);
 select * from t1;
@@ -1142,7 +1142,7 @@ show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
   `a` varchar(10) DEFAULT NULL,
-  `b` int(11) GENERATED ALWAYS AS (length(`a`)) VIRTUAL
+  `b` int(11) GENERATED ALWAYS AS (octet_length(`a`)) VIRTUAL
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 insert into t1 values ('text',default);
 select * from t1;

sql/item_create.cc

@@ -2166,6 +2166,18 @@ class Create_func_length : public Create_func_arg1
   virtual ~Create_func_length() {}
 };
 
+class Create_func_octet_length : public Create_func_arg1
+{
+public:
+  virtual Item *create_1_arg(THD *thd, Item *arg1);
+
+  static Create_func_octet_length s_singleton;
+
+protected:
+  Create_func_octet_length() {}
+  virtual ~Create_func_octet_length() {}
+};
+
 
 #ifndef DBUG_OFF
 class Create_func_like_range_min : public Create_func_arg2
@@ -5672,7 +5684,20 @@ Create_func_length Create_func_length::s_singleton;
 Item*
 Create_func_length::create_1_arg(THD *thd, Item *arg1)
 {
-  return new (thd->mem_root) Item_func_length(thd, arg1);
+#if 0 // Not yet
+  if (thd->variables.sql_mode & MODE_ORACLE)
+    return new (thd->mem_root) Item_func_char_length(thd, arg1);
+  else
+#endif
+    return new (thd->mem_root) Item_func_octet_length(thd, arg1);
+}
+
+Create_func_octet_length Create_func_octet_length::s_singleton;
+
+Item*
+Create_func_octet_length::create_1_arg(THD *thd, Item *arg1)
+{
+  return new (thd->mem_root) Item_func_octet_length(thd, arg1);
 }
 
 
@@ -7005,7 +7030,7 @@ static Native_func_registry func_array[] =
   { { C_STRING_WITH_LEN("NUMINTERIORRINGS") }, GEOM_BUILDER(Create_func_numinteriorring)},
   { { C_STRING_WITH_LEN("NUMPOINTS") }, GEOM_BUILDER(Create_func_numpoints)},
   { { C_STRING_WITH_LEN("OCT") }, BUILDER(Create_func_oct)},
-  { { C_STRING_WITH_LEN("OCTET_LENGTH") }, BUILDER(Create_func_length)},
+  { { C_STRING_WITH_LEN("OCTET_LENGTH") }, BUILDER(Create_func_octet_length)},
   { { C_STRING_WITH_LEN("ORD") }, BUILDER(Create_func_ord)},
   { { C_STRING_WITH_LEN("OVERLAPS") }, GEOM_BUILDER(Create_func_mbr_overlaps)},
   { { C_STRING_WITH_LEN("PERIOD_ADD") }, BUILDER(Create_func_period_add)},

sql/item_func.cc

@@ -2770,7 +2770,7 @@ my_decimal *Item_func_min_max::val_decimal_native(my_decimal *dec)
 }
 
 
-longlong Item_func_length::val_int()
+longlong Item_func_octet_length::val_int()
 {
   DBUG_ASSERT(fixed == 1);
   String *res=args[0]->val_str(&value);

sql/item_func.h

@@ -1548,24 +1548,24 @@ class Item_func_rollup_const :public Item_func
 };
 
 
-class Item_func_length :public Item_int_func
+class Item_func_octet_length :public Item_int_func
 {
   String value;
 public:
-  Item_func_length(THD *thd, Item *a): Item_int_func(thd, a) {}
+  Item_func_octet_length(THD *thd, Item *a): Item_int_func(thd, a) {}
   longlong val_int();
-  const char *func_name() const { return "length"; }
+  const char *func_name() const { return "octet_length"; }
   void fix_length_and_dec() { max_length=10; }
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
-  { return get_item_copy<Item_func_length>(thd, mem_root, this); }
+  { return get_item_copy<Item_func_octet_length>(thd, mem_root, this); }
 };
 
-class Item_func_bit_length :public Item_func_length
+class Item_func_bit_length :public Item_func_octet_length
 {
 public:
-  Item_func_bit_length(THD *thd, Item *a): Item_func_length(thd, a) {}
+  Item_func_bit_length(THD *thd, Item *a): Item_func_octet_length(thd, a) {}
   longlong val_int()
-    { DBUG_ASSERT(fixed == 1); return Item_func_length::val_int()*8; }
+    { DBUG_ASSERT(fixed == 1); return Item_func_octet_length::val_int()*8; }
   const char *func_name() const { return "bit_length"; }
   Item *get_copy(THD *thd, MEM_ROOT *mem_root)
   { return get_item_copy<Item_func_bit_length>(thd, mem_root, this); }