btree/tsvector_ops (class)

B-tree operator class for tsvector; member of tsvector_ops.

当前阅读 PG 18·选择有来源记录的版本

此版本暂无所选语言的定义，以下显示原始英文内容。

Object kind: Operator class
Index AM: B-tree
Input type: tsvector
Stored key type: Same as input type (catalog zero)
Default class: yes
aliases: tsvector_ops, btree/tsvector_ops
classes: map[default:t family:tsvector_ops family_slug:family-btree-tsvector_ops input_type:tsvector key_type:none method:btree name:tsvector_ops slug:class-btree-tsvector_ops source_oid:]
signature: btree/tsvector_ops
source oid: 未知
support functions: map[family:tsvector_ops family_slug:family-btree-tsvector_ops function:tsvector_cmp(tsvector,tsvector) left_type:tsvector method:btree number:1 result_type:int4 right_type:tsvector]

版本定义 PG 18

B-tree operator class for tsvector; member of tsvector_ops.

Family operator strategies

Operator overload	Strategy	Purpose	Membership scope	Source description
<(tsvector,tsvector)	1	search	Class input pair	less than
<=(tsvector,tsvector)	2	search	Class input pair	less than or equal
=(tsvector,tsvector)	3	search	Class input pair	equal
>=(tsvector,tsvector)	4	search	Class input pair	greater than or equal
>(tsvector,tsvector)	5	search	Class input pair	greater than

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	tsvector	tsvector	tsvector_cmp(tsvector,tsvector)	int4

Classes in this family

Class	Input type	Key type	Default
tsvector_ops	tsvector	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"tsvector_ops","input_type":"tsvector","key_type":"none","method":"btree","name":"tsvector_ops"}

operators

map[description:less than family:tsvector_ops family_slug:family-btree-tsvector_ops left_type:tsvector method:btree operator:<(tsvector,tsvector) operator_slug:op-3c-tsvector-tsvector purpose:search result_type:bool right_type:tsvector sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:tsvector_ops family_slug:family-btree-tsvector_ops left_type:tsvector method:btree operator:<=(tsvector,tsvector) operator_slug:op-3c3d-tsvector-tsvector purpose:search result_type:bool right_type:tsvector sort_family: sort_family_slug: strategy:2], map[description:equal family:tsvector_ops family_slug:family-btree-tsvector_ops left_type:tsvector method:btree operator:=(tsvector,tsvector) operator_slug:op-3d-tsvector-tsvector purpose:search result_type:bool right_type:tsvector sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:tsvector_ops family_slug:family-btree-tsvector_ops left_type:tsvector method:btree operator:>=(tsvector,tsvector) operator_slug:op-3e3d-tsvector-tsvector purpose:search result_type:bool right_type:tsvector sort_family: sort_family_slug: strategy:4], map[description:greater than family:tsvector_ops family_slug:family-btree-tsvector_ops left_type:tsvector method:btree operator:>(tsvector,tsvector) operator_slug:op-3e-tsvector-tsvector purpose:search result_type:bool right_type:tsvector sort_family: sort_family_slug: strategy:5]

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f