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Wiki / Functions

isempty

Is the range empty?

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

Reading PG 18·Select a recorded version

group
range
group label
Range/Multirange Functions And Operators
lang
en
layout
table-new
pages
functions-range.html
prose only
false

Definition PG 18

Is the range empty?

Signatures and overloads

isempty ( anyrange ) → boolean → boolean
Is the range empty?
isempty ( anymultirange ) → boolean → boolean
Is the multirange empty?

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Source references

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:3e60b2b073d236c523f392087e04a651ec7c996bef223e08a111b2eb57cafc7c

Text language: en · wiki-repair-20261023:3e60b2b073d236c523f392087e04a651ec7c996bef223e08a111b2eb57cafc7c