Amazon Redshift will no longer support the use of Python UDFs after June 30, 2026.
We will start enforcing it in phases. For more information on the details of Python end of life
and migration options, see the
blog post
H3_IsValid
H3_IsValid returns true if the input represents an H3 cell ID, otherwise false. For information about H3 indexing, see H3.
Syntax
H3_IsValid(index)
Arguments
- index
-
A value of data type
BIGINTorVARCHAR, or an expression that evaluates to one of these data types.
Return type
BOOLEAN – true if the input represents a valid H3 cell ID, false otherwise.
If index is NULL, then NULL is returned.
Examples
The following SQL inputs a VARCHAR that represents an H3 cell ID, and returns true.
SELECT H3_IsValid('8025fffffffffff');
h3_isvalid
------------
true
The following SQL inputs a BIGINT that represents an H3 cell ID, and returns true.
SELECT H3_IsValid(577129255373111295);
h3_isvalid
------------
true
The following SQL inputs an invalid H3 cell ID and returns false.
SELECT H3_IsValid('');
h3_isvalid
------------
false