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Wiki / Operators

=(float4,float8)

equal

Reading PG 18·Select a recorded version

Left operand
float4
Right operand
float8
Result type
bool
Implementing function
float48eq(float4,float8)
Operator kind
Binary
Hash join candidate
yes
Merge join candidate
yes
aliases
=, =(float4,float8)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
=(float4,float8) → bool
source oid
1120

Definition PG 18

equal

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treefloat_ops3search
Hashfloat_ops1search
BRINfloat_minmax_ops3search
BRINfloat_minmax_multi_ops3search

Compare versions

Complete source facts

memberships

map[description:equal family:float_ops family_slug:family-btree-float_ops left_type:float4 method:btree operator:=(float4,float8) operator_slug:op-3d-float4-float8 purpose:search result_type:bool right_type:float8 sort_family: sort_family_slug: strategy:3], map[description:equal family:float_ops family_slug:family-hash-float_ops left_type:float4 method:hash operator:=(float4,float8) operator_slug:op-3d-float4-float8 purpose:search result_type:bool right_type:float8 sort_family: sort_family_slug: strategy:1], map[description:equal family:float_minmax_ops family_slug:family-brin-float_minmax_ops left_type:float4 method:brin operator:=(float4,float8) operator_slug:op-3d-float4-float8 purpose:search result_type:bool right_type:float8 sort_family: sort_family_slug: strategy:3], map[description:equal family:float_minmax_multi_ops family_slug:family-brin-float_minmax_multi_ops left_type:float4 method:brin operator:=(float4,float8) operator_slug:op-3d-float4-float8 purpose:search result_type:bool right_type:float8 sort_family: sort_family_slug: strategy:3]

operator

{"commutator":"=(float8,float4)","function":"float48eq(float4,float8)","hash_join":"t","kind":"b","left_type":"float4","merge_join":"t","negator":"\u003c\u003e(float4,float8)","result_type":"bool","right_type":"float8","symbol":"="}

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f