information_schema.innodb_cmp_per_index.*| relation | column | mysql | mariadb | tidb | postgres | cockroachdb | mssql | |
|---|---|---|---|---|---|---|---|---|
innodb_cmp_per_index |
||||||||
compress_ops |
INT NOT NULL:
5.7-8
| INT NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||
compress_ops_ok |
INT NOT NULL:
5.7-8
| INT NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||
compress_time |
INT NOT NULL:
5.7-8
| INT NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||
database_name |
VARCHAR NOT NULL:
5.7-8
| VARCHAR NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||
index_name |
VARCHAR NOT NULL:
5.7-8
| VARCHAR NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||
table_name |
VARCHAR NOT NULL:
5.7-8
| VARCHAR NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||
uncompress_ops |
INT NOT NULL:
5.7-8
| INT NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||
uncompress_time |
INT NOT NULL:
5.7-8
| INT NOT NULL:
10.2-10.7
| unsupported | unsupported | unsupported | unsupported | ||