<(text,text)

less than

Reading PG 18·Select a recorded version

Left operand: text
Right operand: text
Result type: bool
Implementing function: text_lt(text,text)
Operator kind: Binary
Hash join candidate: no
Merge join candidate: no
aliases: <, <(text,text)
manual semantics: Source catalog description; no additional matching manual operator definition claimed
signature: <(text,text) → bool
source oid: 664

Definition PG 18

less than

Declared operator-family membership

Index AM	Family	Strategy	Purpose
B-tree	text_ops	1	search
SP-GiST	text_ops	11	search
BRIN	text_minmax_ops	1	search

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Complete source facts

memberships

map[description:less than family:text_ops family_slug:family-btree-text_ops left_type:text method:btree operator:<(text,text) operator_slug:op-3c-text-text purpose:search result_type:bool right_type:text sort_family: sort_family_slug: strategy:1], map[description:less than family:text_ops family_slug:family-spgist-text_ops left_type:text method:spgist operator:<(text,text) operator_slug:op-3c-text-text purpose:search result_type:bool right_type:text sort_family: sort_family_slug: strategy:11], map[description:less than family:text_minmax_ops family_slug:family-brin-text_minmax_ops left_type:text method:brin operator:<(text,text) operator_slug:op-3c-text-text purpose:search result_type:bool right_type:text sort_family: sort_family_slug: strategy:1]

operator

{"commutator":"\u003e(text,text)","function":"text_lt(text,text)","hash_join":"f","kind":"b","left_type":"text","merge_join":"f","negator":"\u003e=(text,text)","result_type":"bool","right_type":"text","symbol":"\u003c"}

Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f

Text language: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f