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Wiki / Operator Families

hash/pg_lsn_ops (class)

Hash operator class for pg_lsn; member of pg_lsn_ops.

Reading PG 18·Select a recorded version

Object kind
Operator class
Index AM
Hash
Input type
pg_lsn
Stored key type
Same as input type (catalog zero)
Default class
yes
aliases
pg_lsn_ops, hash/pg_lsn_ops
classes
map[default:t family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops input_type:pg_lsn key_type:none method:hash name:pg_lsn_ops slug:class-hash-pg_lsn_ops source_oid:]
signature
hash/pg_lsn_ops
source oid
Unknown

Definition PG 18

Hash operator class for pg_lsn; member of pg_lsn_ops.

Family operator strategies

Operator overloadStrategyPurposeOrdering familyMembership scopeSource description
=(pg_lsn,pg_lsn)1searchClass input pairequal

Family support functions

Support numberLeft typeRight typeFunction signatureResult type
1pg_lsnpg_lsnpg_lsn_hash(pg_lsn)int4
2pg_lsnpg_lsnpg_lsn_hash_extended(pg_lsn,int8)int8

Classes in this family

ClassInput typeKey typeDefault
pg_lsn_opspg_lsnSame as input typeyes

Compare versions

Complete source facts

class

{"default":"t","family":"pg_lsn_ops","input_type":"pg_lsn","key_type":"none","method":"hash","name":"pg_lsn_ops"}

operators

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

support functions

map[family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops function:pg_lsn_hash(pg_lsn) left_type:pg_lsn method:hash number:1 result_type:int4 right_type:pg_lsn], map[family:pg_lsn_ops family_slug:family-hash-pg_lsn_ops function:pg_lsn_hash_extended(pg_lsn,int8) left_type:pg_lsn method:hash number:2 result_type:int8 right_type:pg_lsn]

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f