btree/bpchar_ops (family)

B-tree operator family containing 1 classes, 5 operator strategies and 3 support functions in this source build.

Reading PG 18·Select a recorded version

Object kind: Operator family
Index AM: B-tree
aliases: bpchar_ops, btree/bpchar_ops
classes: map[default:t family:bpchar_ops family_slug:family-btree-bpchar_ops input_type:bpchar key_type:none method:btree name:bpchar_ops slug:class-btree-bpchar_ops source_oid:]
signature: btree/bpchar_ops
source oid: 426

Definition PG 18

B-tree operator family containing 1 classes, 5 operator strategies and 3 support functions in this source build.

Family operator strategies

Operator overload	Strategy	Purpose	Membership scope	Source description
<(bpchar,bpchar)	1	search	Family member	less than
<=(bpchar,bpchar)	2	search	Family member	less than or equal
=(bpchar,bpchar)	3	search	Family member	equal
>=(bpchar,bpchar)	4	search	Family member	greater than or equal
>(bpchar,bpchar)	5	search	Family member	greater than

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	bpchar	bpchar	bpcharcmp(bpchar,bpchar)	int4
2	bpchar	bpchar	bpchar_sortsupport(internal)	void
4	bpchar	bpchar	btvarstrequalimage(oid)	bool

Classes in this family

Class	Input type	Key type	Default
bpchar_ops	bpchar	Same as input type	yes

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Complete source facts

family

{"method":"btree","name":"bpchar_ops"}

operators

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

support functions

map[family:bpchar_ops family_slug:family-btree-bpchar_ops function:bpcharcmp(bpchar,bpchar) left_type:bpchar method:btree number:1 result_type:int4 right_type:bpchar], map[family:bpchar_ops family_slug:family-btree-bpchar_ops function:bpchar_sortsupport(internal) left_type:bpchar method:btree number:2 result_type:void right_type:bpchar], map[family:bpchar_ops family_slug:family-btree-bpchar_ops function:btvarstrequalimage(oid) left_type:bpchar method:btree number:4 result_type:bool right_type:bpchar]

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f