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Wiki / Operator Families

hash/numeric_ops (class)

Hash operator class for numeric; member of numeric_ops.

Reading PG 18·Select a recorded version

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

Definition PG 18

Hash operator class for numeric; member of numeric_ops.

Family operator strategies

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

Family support functions

Support numberLeft typeRight typeFunction signatureResult type
1numericnumerichash_numeric(numeric)int4
2numericnumerichash_numeric_extended(numeric,int8)int8

Classes in this family

ClassInput typeKey typeDefault
numeric_opsnumericSame as input typeyes

Compare versions

Complete source facts

class

{"default":"t","family":"numeric_ops","input_type":"numeric","key_type":"none","method":"hash","name":"numeric_ops"}

operators

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

support functions

map[family:numeric_ops family_slug:family-hash-numeric_ops function:hash_numeric(numeric) left_type:numeric method:hash number:1 result_type:int4 right_type:numeric], map[family:numeric_ops family_slug:family-hash-numeric_ops function:hash_numeric_extended(numeric,int8) left_type:numeric method:hash number:2 result_type:int8 right_type:numeric]

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f