hash/char_ops (family)

Hash operator family containing 1 classes, 1 operator strategies and 2 support functions in this source build.

Reading PG 18·Select a recorded version

Object kind: Operator family
Index AM: Hash
aliases: char_ops, hash/char_ops
classes: map[default:t family:char_ops family_slug:family-hash-char_ops input_type:char key_type:none method:hash name:char_ops slug:class-hash-char_ops source_oid:]
operators: map[description:equal family:char_ops family_slug:family-hash-char_ops left_type:char method:hash operator:=(char,char) operator_slug:op-3d-char-char purpose:search result_type:bool right_type:char sort_family: sort_family_slug: strategy:1]
signature: hash/char_ops
source oid: 431

Definition PG 18

Hash operator family containing 1 classes, 1 operator strategies and 2 support functions in this source build.

Family operator strategies

Operator overload	Strategy	Purpose	Ordering family	Membership scope	Source description
=(char,char)	1	search		Family member	equal

Family support functions

Support number	Left type	Right type	Function signature	Result type
1	char	char	hashchar(char)	int4
2	char	char	hashcharextended(char,int8)	int8

Classes in this family

Class	Input type	Key type	Default
char_ops	char	Same as input type	yes

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Complete source facts

family

{"method":"hash","name":"char_ops"}

support functions

map[family:char_ops family_slug:family-hash-char_ops function:hashchar(char) left_type:char method:hash number:1 result_type:int4 right_type:char], map[family:char_ops family_slug:family-hash-char_ops function:hashcharextended(char,int8) left_type:char method:hash number:2 result_type:int8 right_type:char]

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f