核心PostgreSQL发布包括了 表 65.1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。
表 65.1. 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 | <
<=
=
>=
>
|
macaddr8_minmax_ops | macaddr8 | <
<=
=
>=
>
|
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 | <
<=
=
>=
>
|