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Wiki / Operators / Pseudo-types

=(record,record)

equal

Reading PostgreSQL 18.6.

Description

equal

Left operand
record
Right operand
record
Result type
bool
Implementing function
record_eq(record,record)
Operator kind
Binary
Hash join candidate
yes
Merge join candidate
yes

Usage

=(record,record) → bool

Catalog interpretation

The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information.

Declared operator-family membership

Index AMFamilyStrategyPurposeOrdering family
B-treerecord_ops3search
Hashrecord_ops1search

Related entries

Documentation and source

Source build
Version
18.6
Build
https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2
Source fingerprint
555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Compare versions

PostgreSQL 13 → 14: changed.

--- PostgreSQL 13
+++ PostgreSQL 14
@@ -9,12 +9,22 @@
       "right_type": "record",
       "sort_family": "",
       "strategy": "3"
+    },
+    {
+      "family": "record_ops",
+      "left_type": "record",
+      "method": "hash",
+      "operator": "=(record,record)",
+      "purpose": "search",
+      "right_type": "record",
+      "sort_family": "",
+      "strategy": "1"
     }
   ],
   "operator": {
     "commutator": "=(record,record)",
     "function": "record_eq(record,record)",
-    "hash_join": "f",
+    "hash_join": "t",
     "kind": "b",
     "left_type": "record",
     "merge_join": "t",

Compares recorded interfaces and attributes. Source fingerprints and build metadata are excluded; an absent sample is not proof of the introduction or removal release.

Related entries

Export JSON · Back to Operators · Recorded in PostgreSQL 10 through 20; the first sample is not necessarily its introduction.