67.2. 内建操作符类

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
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	< <= = >= >