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PG.CENTER 连接 PostgreSQL 文档、百科与生态知识。由 Pigsty 维护。

Wiki / 运算符

=(bytea,bytea)

equal

当前阅读 PG 18·选择有来源记录的版本

此版本暂无所选语言的定义,以下显示原始英文内容。

Left operand
bytea
Right operand
bytea
Result type
bool
Implementing function
byteaeq(bytea,bytea)
Operator kind
Binary
Hash join candidate
yes
Merge join candidate
yes
aliases
=, =(bytea,bytea)
manual semantics
Source catalog description; no additional matching manual operator definition claimed
signature
=(bytea,bytea) → bool
source oid
1955

版本定义 PG 18

equal

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treebytea_ops3search
Hashbytea_ops1search
BRINbytea_minmax_ops3search
BRINbytea_bloom_ops1search

比较版本

完整来源事实

memberships

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

operator

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

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f