Mercurial > gemma
diff schema/updates/1101/01.bn_constraint.sql @ 4111:692aba3e8b85 request_hist_bns
Change constraints for bottlenecks to include staging_done flag.
This will allow us to stage not only new bottlenecks but also updates.
| author | Sascha Wilde <wilde@intevation.de> |
|---|---|
| date | Tue, 30 Jul 2019 13:14:47 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/schema/updates/1101/01.bn_constraint.sql Tue Jul 30 13:14:47 2019 +0200 @@ -0,0 +1,14 @@ +ALTER TABLE waterway.bottlenecks + DROP CONSTRAINT IF EXISTS bottlenecks_bottleneck_id_validity_key, + DROP CONSTRAINT IF EXISTS bottlenecks_bottleneck_id_validity_excl, + DROP CONSTRAINT IF EXISTS bottlenecks_bottleneck_id_validity_staging_done_key, + DROP CONSTRAINT IF EXISTS bottlenecks_bottleneck_id_validity_staging_done_excl; + +ALTER TABLE waterway.bottlenecks + ADD CONSTRAINT bottlenecks_bottleneck_id_validity_staging_done_key + UNIQUE (bottleneck_id, validity, staging_done), + ADD CONSTRAINT bottlenecks_bottleneck_id_validity_staging_done_excl + EXCLUDE USING GiST (bottleneck_id WITH =, + validity WITH &&, + CAST(staging_done AS int) WITH =) + DEFERRABLE INITIALLY DEFERRED;