核心PostgreSQL发布包括了 表 67.1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 67.1. 内建 BRIN 操作符类
| 名称 | 被索引数据类型 | 可索引操作符 |
|---|---|---|
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 |
<
<=
=
>=
>
|
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 |
<
<=
=
>=
>
|