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annotate schema/updates/1310/01.import-changed.sql @ 5030:737d7859dd86

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Store fairway dimensions as MultiPolygon This avoids storing a single invalid geometry from the data source as multiple valid geometries with duplicate attribute sets. The previous behaviour was not correctly handled in import tracking, because only the ID of the first item in a set of multiple geometries generated from a single entry from the data source was tracked.
author Tom Gottfried <tom@intevation.de>
date Wed, 18 Mar 2020 18:42:30 +0100
parents 47922c1a088d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4748
47922c1a088d Added a 'changed' column to the import.imports table.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 ALTER TABLE import.imports ADD COLUMN changed timestamp WITH time zone NOT NULL DEFAULT CURRENT_TIMESTAMP;
47922c1a088d Added a 'changed' column to the import.imports table.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
47922c1a088d Added a 'changed' column to the import.imports table.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 UPDATE import.imports imp SET
47922c1a088d Added a 'changed' column to the import.imports table.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4 changed = (SELECT coalesce(max(time), imp.changed)
47922c1a088d Added a 'changed' column to the import.imports table.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 FROM import.import_logs
47922c1a088d Added a 'changed' column to the import.imports table.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 WHERE import_id = imp.id);