Description:
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Hello, I need load more collations for use into sqlite pdo driver and use this method:

SELECT icu_load_collation('de_DE', 'de_DE') (for example)

and see this error:

SELECT icu_load_collation('de_DE', 'de_DE')

Code: HY000, SQLSTATE[HY000]: General error: 1 no such function: icu_load_collation, in....

Test script:
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<?php

 $pdo = new \PDO( ':memory:' ) ;

 $pdo->query( 'SELECT icu_load_collation('de_DE', 'de_DE')' );

?>

Expected result:
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suppoted ICU from SQLITE too.

Actual result:
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Code: HY000, SQLSTATE[HY000]: General error: 1 no such function: icu_load_collation, in....