Using ANY() - Mailing list pgsql-general

From Shakil Shaikh
Subject Using ANY()
Date
Msg-id BAY117-DS9D5308E45D1027621F8C2AC460@phx.gbl
Whole thread Raw
Responses Re: Using ANY()
Re: Using ANY()
List pgsql-general
Hi all,

Is it appropriate to use ANY() in a select statement as so?

SELECT * FROM table t WHERE t.id = ANY(ARRAY[1,2,3]);

A less trivial usage of the above would be to pass an array to a simple
function using it to return a range of arbitrary rows. The alternative to
this would be to (programmatically) call the function multiple times on a
list of arguments. Some questions:

1) How does ANY() behave on indexed columns?

2) How does ANY() behave when passed an array with one element?

3) Generally is it better to use ANY on a passed ARRAY, or to just call a
select multiple times (and aggregate the results)? Is ANY just a glorified
OR?

Shak


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