btree/bit_ops (class)

B-tree operator class for bit; member of bit_ops.

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Object kind: Operator class
Index AM: B-tree
Input type: bit
Stored key type: Same as input type (catalog zero)
Default class: yes
aliases: bit_ops, btree/bit_ops
classes: map[default:t family:bit_ops family_slug:family-btree-bit_ops input_type:bit key_type:none method:btree name:bit_ops slug:class-btree-bit_ops source_oid:]
signature: btree/bit_ops
source oid: 未知

版本定义 PG 18

B-tree operator class for bit; member of bit_ops.

Family operator strategies

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

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	bit	bit	bitcmp(bit,bit)	int4
4	bit	bit	btequalimage(oid)	bool

Classes in this family

Class	Input type	Key type	Default
bit_ops	bit	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"bit_ops","input_type":"bit","key_type":"none","method":"btree","name":"bit_ops"}

operators

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

support functions

map[family:bit_ops family_slug:family-btree-bit_ops function:bitcmp(bit,bit) left_type:bit method:btree number:1 result_type:int4 right_type:bit], map[family:bit_ops family_slug:family-btree-bit_ops function:btequalimage(oid) left_type:bit method:btree number:4 result_type:bool right_type:bit]

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