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Wiki / Operators

=(float8,float4)

equal

Reading PG 18·Select a recorded version

Left operand
float8
Right operand
float4
Result type
bool
Implementing function
float84eq(float8,float4)
Operator kind
Binary
Hash join candidate
yes
Merge join candidate
yes
aliases
=, =(float8,float4)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
=(float8,float4) → bool
source oid
1130

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

operator

{"commutator":"=(float4,float8)","function":"float84eq(float8,float4)","hash_join":"t","kind":"b","left_type":"float8","merge_join":"t","negator":"\u003c\u003e(float8,float4)","result_type":"bool","right_type":"float4","symbol":"="}

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f