hash/bpchar_pattern_ops (class)

Hash operator class for bpchar; member of bpchar_pattern_ops.

Reading PG 18·Select a recorded version

Object kind: Operator class
Index AM: Hash
Input type: bpchar
Stored key type: Same as input type (catalog zero)
Default class: no
aliases: bpchar_pattern_ops, hash/bpchar_pattern_ops
classes: map[default:f family:bpchar_pattern_ops family_slug:family-hash-bpchar_pattern_ops input_type:bpchar key_type:none method:hash name:bpchar_pattern_ops slug:class-hash-bpchar_pattern_ops source_oid:]
signature: hash/bpchar_pattern_ops
source oid: Unknown

Definition PG 18

Hash operator class for bpchar; member of bpchar_pattern_ops.

Family operator strategies

Operator overload	Strategy	Purpose	Ordering family	Membership scope	Source description
=(bpchar,bpchar)	1	search		Class input pair	equal

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	bpchar	bpchar	hashbpchar(bpchar)	int4
2	bpchar	bpchar	hashbpcharextended(bpchar,int8)	int8

Classes in this family

Class	Input type	Key type	Default
bpchar_pattern_ops	bpchar	Same as input type	no

Compare versions

Complete source facts

class

{"default":"f","family":"bpchar_pattern_ops","input_type":"bpchar","key_type":"none","method":"hash","name":"bpchar_pattern_ops"}

operators

map[description:equal family:bpchar_pattern_ops family_slug:family-hash-bpchar_pattern_ops left_type:bpchar method:hash operator:=(bpchar,bpchar) operator_slug:op-3d-bpchar-bpchar purpose:search result_type:bool right_type:bpchar sort_family: sort_family_slug: strategy:1]

support functions

map[family:bpchar_pattern_ops family_slug:family-hash-bpchar_pattern_ops function:hashbpchar(bpchar) left_type:bpchar method:hash number:1 result_type:int4 right_type:bpchar], map[family:bpchar_pattern_ops family_slug:family-hash-bpchar_pattern_ops function:hashbpcharextended(bpchar,int8) left_type:bpchar method:hash number:2 result_type:int8 right_type:bpchar]

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f