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Wiki / Operators / Pseudo-types

&<(anymultirange,anymultirange)

overlaps or is left of

Reading PostgreSQL 18.6.

Description

overlaps or is left of

Left operand
anymultirange
Right operand
anymultirange
Result type
bool
Implementing function
multirange_overleft_multirange(anymultirange,anymultirange)
Operator kind
Binary
Hash join candidate
no
Merge join candidate
no

Usage

&<(anymultirange,anymultirange) → bool

English manual definition

Does the first multirange not extend to the right of the second?

'{[1,20)}'::int8multirange &< '{[18,20)}'::int8multirange → t

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
GiSTmultirange_ops2search

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: added.

--- PostgreSQL 13
+++ PostgreSQL 14
@@ -1 +1,26 @@
-Not recorded in this version
+{
+  "memberships": [
+    {
+      "family": "multirange_ops",
+      "left_type": "anymultirange",
+      "method": "gist",
+      "operator": "&<(anymultirange,anymultirange)",
+      "purpose": "search",
+      "right_type": "anymultirange",
+      "sort_family": "",
+      "strategy": "2"
+    }
+  ],
+  "operator": {
+    "commutator": "",
+    "function": "multirange_overleft_multirange(anymultirange,anymultirange)",
+    "hash_join": "f",
+    "kind": "b",
+    "left_type": "anymultirange",
+    "merge_join": "f",
+    "negator": "",
+    "result_type": "bool",
+    "right_type": "anymultirange",
+    "symbol": "&<"
+  }
+}

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 14 through 20; the first sample is not necessarily its introduction.