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41 lines
3.4 KiB
MySQL
41 lines
3.4 KiB
MySQL
5 years ago
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-- Funktion für PostgreSQL Server, für Clientskripte nicht relevant
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-- FUNCTION: public.set_intervall(interval, timestamp with time zone, timestamp with time zone)
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-- DROP FUNCTION public.set_intervall(interval, timestamp with time zone, timestamp with time zone);
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CREATE OR REPLACE FUNCTION public.set_intervall(
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min_intervall interval,
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von_timestamp timestamp with time zone,
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bis_timestamp timestamp with time zone)
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RETURNS interval
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LANGUAGE 'sql'
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COST 100
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VOLATILE
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AS $BODY$
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SELECT CASE
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WHEN (min_intervall <= '1 seconds'::interval and '1 seconds'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('1 seconds'::interval)
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WHEN (min_intervall <= '10 seconds'::interval and '10 seconds'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('10 seconds'::interval)
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WHEN (min_intervall <= '30 seconds'::interval and '30 seconds'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('30 seconds'::interval)
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WHEN (min_intervall <= '1 minutes'::interval and '1 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('1 minutes'::interval)
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WHEN (min_intervall <= '5 minutes'::interval and '5 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('5 minutes'::interval)
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WHEN (min_intervall <= '15 minutes'::interval and '15 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('15 minutes'::interval)
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WHEN (min_intervall <= '30 minutes'::interval and '30 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('30 minutes'::interval)
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WHEN (min_intervall <= '60 minutes'::interval and '60 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('60 minutes'::interval)
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WHEN (min_intervall <= '120 minutes'::interval and '120 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('120 minutes'::interval)
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WHEN (min_intervall <= '240 minutes'::interval and '240 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('240 minutes'::interval)
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WHEN (min_intervall <= '480 minutes'::interval and '480 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('480 minutes'::interval)
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WHEN (min_intervall <= '720 minutes'::interval and '720 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('720 minutes'::interval)
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WHEN (min_intervall <= '1440 minutes'::interval and '1440 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('1440 minutes'::interval)
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WHEN (min_intervall <= '2880 minutes'::interval and '2880 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('2880 minutes'::interval)
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WHEN (min_intervall <= '10080 minutes'::interval and '10080 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('10080 minutes'::interval)
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WHEN (min_intervall <= '43200 minutes'::interval and '43200 minutes'::interval > (bis_timestamp::timestamp - von_timestamp::timestamp) / 2000) THEN ('43200 minutes'::interval)
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ELSE ('43200 minutes'::interval)
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END;
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$BODY$;
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ALTER FUNCTION public.set_intervall(interval, timestamp with time zone, timestamp with time zone)
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OWNER TO hofei;
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