49 lines
2.5 KiB
MySQL
49 lines
2.5 KiB
MySQL
|
-- https://dev.mysql.com/doc/refman/8.0/en/analyze-table.html
|
||
|
|
|
||
|
|
/* ANALYZE [NO_WRITE_TO_BINLOG | LOCAL]
|
||
|
|
TABLE tbl_name [, tbl_name] ...
|
||
|
|
|
||
|
|
ANALYZE [NO_WRITE_TO_BINLOG | LOCAL]
|
||
|
|
TABLE tbl_name
|
||
|
|
UPDATE HISTOGRAM ON col_name [, col_name] ...
|
||
|
|
[WITH N BUCKETS]
|
||
|
|
|
||
|
|
ANALYZE [NO_WRITE_TO_BINLOG | LOCAL]
|
||
|
|
TABLE tbl_name
|
||
|
|
UPDATE HISTOGRAM ON col_name [USING DATA 'json_data']
|
||
|
|
|
||
|
|
ANALYZE [NO_WRITE_TO_BINLOG | LOCAL]
|
||
|
|
TABLE tbl_name
|
||
|
|
DROP HISTOGRAM ON col_name [, col_name] ... */
|
||
|
|
|
||
|
|
|
||
|
|
ANALYZE TABLE t UPDATE HISTOGRAM ON c1, c2, c3 WITH 10 BUCKETS;
|
||
|
|
ANALYZE TABLE t UPDATE HISTOGRAM ON c1, c3 WITH 10 BUCKETS;
|
||
|
|
ANALYZE TABLE t DROP HISTOGRAM ON c2;
|
||
|
|
ANALYZE TABLE t UPDATE HISTOGRAM ON c1;
|
||
|
|
ANALYZE TABLE t DROP HISTOGRAM ON c1;
|
||
|
|
ANALYZE TABLE t UPDATE HISTOGRAM ON c1 USING DATA '{"buckets": [[206, 0.0625], [456, 0.125], [608, 0.1875]], "data-type": "int", "null-values": 0.0, "collation-id": 8, "last-updated": "2022-10-11 16:13:14.563319", "sampling-rate": 1.0, "histogram-type": "singleton", "number-of-buckets-specified": 100}';
|
||
|
|
|
||
|
|
|
||
|
|
ANALYZE NO_WRITE_TO_BINLOG TABLE t1, t2, t3;
|
||
|
|
ANALYZE LOCAL TABLE t1, t2, t3;
|
||
|
|
ANALYZE TABLE t1, t2, t3;
|
||
|
|
|
||
|
|
ANALYZE NO_WRITE_TO_BINLOG TABLE t1 UPDATE HISTOGRAM ON c1, c2, c3 WITH 12 BUCKETS;
|
||
|
|
ANALYZE NO_WRITE_TO_BINLOG TABLE t1 UPDATE HISTOGRAM ON c1, c2, c3;
|
||
|
|
ANALYZE NO_WRITE_TO_BINLOG TABLE t1 UPDATE HISTOGRAM ON c1 WITH 13 BUCKETS;
|
||
|
|
ANALYZE LOCAL TABLE t1 UPDATE HISTOGRAM ON c1, c2, c3;
|
||
|
|
ANALYZE LOCAL TABLE t1 UPDATE HISTOGRAM ON c1;
|
||
|
|
ANALYZE LOCAL TABLE t1 UPDATE HISTOGRAM ON c1 WITH 14 BUCKETS;
|
||
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON c1 WITH 14 BUCKETS;
|
||
|
|
|
||
|
|
ANALYZE NO_WRITE_TO_BINLOG TABLE t1 UPDATE HISTOGRAM ON c1 USING DATA '{"buckets": [[206, 0.0625], [456, 0.125], [608, 0.1875]], "data-type": "int", "null-values": 0.0, "collation-id": 8, "last-updated": "2022-10-11 16:13:14.563319", "sampling-rate": 1.0, "histogram-type": "singleton", "number-of-buckets-specified": 100}';
|
||
|
|
ANALYZE NO_WRITE_TO_BINLOG TABLE t1 UPDATE HISTOGRAM ON c1;
|
||
|
|
ANALYZE LOCAL TABLE t1 UPDATE HISTOGRAM ON c1 USING DATA '{"buckets": [[206, 0.0625], [456, 0.125], [608, 0.1875]], "data-type": "int", "null-values": 0.0, "collation-id": 8, "last-updated": "2022-10-11 16:13:14.563319", "sampling-rate": 1.0, "histogram-type": "singleton", "number-of-buckets-specified": 100}';
|
||
|
|
ANALYZE LOCAL TABLE t1 UPDATE HISTOGRAM ON c1;
|
||
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON c1;
|
||
|
|
|
||
|
|
ANALYZE NO_WRITE_TO_BINLOG TABLE t1 DROP HISTOGRAM ON c1, c2, c3;
|
||
|
|
ANALYZE LOCAL TABLE t1 DROP HISTOGRAM ON c1, c2, c3;
|
||
|
|
ANALYZE TABLE t1 DROP HISTOGRAM ON c1, c2, c3;
|