diff backend/doc/schema/postgresql.sql @ 8553:17c476e90c07

bed height differences datacage: only supply differences where subtrahend is older than minuend or year is unknown.
author "Tom Gottfried <tom@intevation.de>"
date Mon, 16 Feb 2015 08:39:06 +0100
parents b8c6cb36607e
children 3531f0cee5e1
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