File: index_key_block_size.result

package info (click to toggle)
mariadb 1%3A10.11.11-0%2Bdeb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 597,064 kB
  • sloc: ansic: 2,386,076; cpp: 1,663,071; asm: 378,311; perl: 62,203; pascal: 38,769; sh: 37,071; java: 33,919; sql: 19,830; yacc: 19,727; xml: 10,509; python: 9,522; ruby: 8,544; cs: 5,855; makefile: 5,793; ada: 1,700; lex: 1,207; javascript: 1,039; objc: 80; tcl: 73; awk: 46; php: 22
file content (43 lines) | stat: -rw-r--r-- 1,848 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a <INT_COLUMN>,
b <CHAR_COLUMN>,
<CUSTOM_INDEX> (a) KEY_BLOCK_SIZE=8
) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
SHOW KEYS IN t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	#	#	NULL	NULL	#	#		
DROP TABLE t1;
CREATE TABLE t1 (a <INT_COLUMN>,
b <CHAR_COLUMN>,
<CUSTOM_INDEX> ind1(b ASC) KEY_BLOCK_SIZE=0
) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
SHOW INDEX IN t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	ind1	1	b	#	#	NULL	NULL	#	#		
DROP TABLE t1;
CREATE TABLE t1 (a <INT_COLUMN>,
b <CHAR_COLUMN>,
UNIQUE INDEX ind2(b(1) DESC) KEY_BLOCK_SIZE=32768 COMMENT 'big key_block_size value'
) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
SHOW INDEX IN t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	0	ind2	1	b	#	#	1	NULL	#	#		big key_block_size value
DROP TABLE t1;
CREATE TABLE t1 (a <INT_COLUMN>,
b <CHAR_COLUMN>,
<CUSTOM_INDEX> a_b(a,b) KEY_BLOCK_SIZE=8192
) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
SHOW INDEX IN t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a_b	1	a	#	#	NULL	NULL	#	#		
t1	1	a_b	2	b	#	#	NULL	NULL	#	#		
DROP TABLE t1;
CREATE TABLE t1 (a <INT_COLUMN>,
b <CHAR_COLUMN>
) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
INSERT INTO t1 (a,b) VALUES (100,'z');
ALTER TABLE t1 ADD <CUSTOM_INDEX>(a) KEY_BLOCK_SIZE 8192;
SHOW INDEX FROM t1;
Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment	Index_comment
t1	1	a	1	a	#	#	NULL	NULL	#	#		
DROP TABLE t1;