Mercurial > gemma
view .hgtags @ 3389:45a629a3a8b8
Fix constraints on relationship between gauges and measurements/predictions
measure_date is the time of measurement, not date_issue.
There can be only one measurement at a time for a gauge location,
independently of gauge versions with differing validity.
The 'measure_date' of a prediction can well be beyond the validity
of the gauge, since a new gauge version might appear within the
time range of the forecast.
There can be only one prediction at a time per date of issue,
independently of gauge versions with differing validity.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Wed, 22 May 2019 16:44:13 +0200 |
parents | 28f1652cfb4d |
children | fc7b24f89164 |
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