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核心PostgreSQL发布包括了 Table 64-1中所示的 BRIN操作符类。
minmax操作符类存储范围内被索引列中出现的最小和最大值。 inclusion操作符类存储包括了范围内被索引列中值的一个值。
Table 64-1. 内建 BRIN 操作符类
| 名称 | 被索引数据类型 | 可索引操作符 |
|---|---|---|
| abstime_minmax_ops | abstime | < <= = >= > |
| int8_minmax_ops | bigint | < <= = >= > |
| bit_minmax_ops | bit | < <= = >= > |
| varbit_minmax_ops | bit varying | < <= = >= > |
| box_inclusion_ops | box | << &< && &> >> ~= @> <@ &<| <<| |>> |&> |
| bytea_minmax_ops | bytea | < <= = >= > |
| bpchar_minmax_ops | character | < <= = >= > |
| char_minmax_ops | "char" | < <= = >= > |
| date_minmax_ops | date | < <= = >= > |
| float8_minmax_ops | double precision | < <= = >= > |
| inet_minmax_ops | inet | < <= = >= > |
| network_inclusion_ops | inet | && >>= <<= = >> << |
| int4_minmax_ops | integer | < <= = >= > |
| interval_minmax_ops | interval | < <= = >= > |
| macaddr_minmax_ops | macaddr | < <= = >= > |
| name_minmax_ops | name | < <= = >= > |
| numeric_minmax_ops | numeric | < <= = >= > |
| pg_lsn_minmax_ops | pg_lsn | < <= = >= > |
| oid_minmax_ops | oid | < <= = >= > |
| range_inclusion_ops | any range type | << &< && &> >> @> <@ -|- = < <= = > >= |
| float4_minmax_ops | real | < <= = >= > |
| reltime_minmax_ops | reltime | < <= = >= > |
| int2_minmax_ops | smallint | < <= = >= > |
| text_minmax_ops | text | < <= = >= > |
| tid_minmax_ops | tid | < <= = >= > |
| timestamp_minmax_ops | timestamp without time zone | < <= = >= > |
| timestamptz_minmax_ops | timestamp with time zone | < <= = >= > |
| time_minmax_ops | time without time zone | < <= = >= > |
| timetz_minmax_ops | time with time zone | < <= = >= > |
| uuid_minmax_ops | uuid | < <= = >= > |