btree/tinterval_ops (class)

B-tree operator class for tinterval; member of tinterval_ops.

当前阅读 PG 11·选择有来源记录的版本

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

版本定义 PG 11

B-tree operator class for tinterval; member of tinterval_ops.

Family operator strategies

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

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	tinterval	tinterval	bttintervalcmp(tinterval,tinterval)	int4

Classes in this family

Class	Input type	Key type	Default
tinterval_ops	tinterval	Same as input type	yes

比较版本

完整来源事实

class

{"default":"t","family":"tinterval_ops","input_type":"tinterval","key_type":"none","method":"btree","name":"tinterval_ops"}

operators

map[description:less than family:tinterval_ops family_slug:family-btree-tinterval_ops left_type:tinterval method:btree operator:<(tinterval,tinterval) operator_slug:op-3c-tinterval-tinterval purpose:search result_type:bool right_type:tinterval sort_family: sort_family_slug: strategy:1], map[description:less than or equal family:tinterval_ops family_slug:family-btree-tinterval_ops left_type:tinterval method:btree operator:<=(tinterval,tinterval) operator_slug:op-3c3d-tinterval-tinterval purpose:search result_type:bool right_type:tinterval sort_family: sort_family_slug: strategy:2], map[description:equal family:tinterval_ops family_slug:family-btree-tinterval_ops left_type:tinterval method:btree operator:=(tinterval,tinterval) operator_slug:op-3d-tinterval-tinterval purpose:search result_type:bool right_type:tinterval sort_family: sort_family_slug: strategy:3], map[description:greater than or equal family:tinterval_ops family_slug:family-btree-tinterval_ops left_type:tinterval method:btree operator:>=(tinterval,tinterval) operator_slug:op-3e3d-tinterval-tinterval purpose:search result_type:bool right_type:tinterval sort_family: sort_family_slug: strategy:4], map[description:greater than family:tinterval_ops family_slug:family-btree-tinterval_ops left_type:tinterval method:btree operator:>(tinterval,tinterval) operator_slug:op-3e-tinterval-tinterval purpose:search result_type:bool right_type:tinterval 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 11 · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0

正文语言: en · 2cb7c97d7a0d7278851bbc9c61f467b69c094c72b81740b751108e7892ebe1f0