Mercurial > gemma
changeset 3731:0d45a3c34900
schema: Added function to detect string representation of ISRS codes.
| author | Sascha Wilde <wilde@intevation.de> |
|---|---|
| date | Mon, 24 Jun 2019 11:21:41 +0200 |
| parents | d9ac1c56bfe0 |
| children | b1fe61b58048 |
| files | schema/isrs_functions.sql |
| diffstat | 1 files changed, 13 insertions(+), 0 deletions(-) [+] |
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--- a/schema/isrs_functions.sql Mon Jun 24 11:20:34 2019 +0200 +++ b/schema/isrs_functions.sql Mon Jun 24 11:21:41 2019 +0200 @@ -210,3 +210,16 @@ $$ LANGUAGE plpgsql STABLE PARALLEL SAFE; + + +-- Check if a given string looks like an ISRS code +CREATE OR REPLACE FUNCTION is_ISRSstring(str text) RETURNS boolean +AS $$ +BEGIN + str = upper(str); + RETURN (SELECT str SIMILAR TO '[A-Z]{2}[A-Z0-9]{13}[0-9]{5}') + AND is_country(substring(str from 1 for 2)); +END; + $$ + LANGUAGE plpgsql + IMMUTABLE PARALLEL SAFE;