dive4elements/river: backend/doc/schema/postgresql.sql history

age	author	description
2014-02-07	Tom Gottfried	Schema correction following yesterday's brain failure.
2014-02-06	Tom Gottfried	SCHEMA CHANGE: renamed uuid-column to avoid collision with data type.
2014-02-06	Tom Gottfried	SCHEMA CHANGE: Add UUIDs to rivers.
2013-09-12	Tom Gottfried	SCHEMA CHANGE: a < b now enforced on ranges. double-precision
2013-08-19	Tom Gottfried	Undo misguided schema change from r5207 double-precision
2013-08-12	Tom Gottfried	fixed syntax errors in Postgres-schema. double-precision
2013-06-28	Tom Gottfried	Schema change: add new field 'source' to wst_columns, currently only for official lines double-precision
2013-06-12	Sascha L. Teichmann	Backend: Modified schema for a better model of official lines.
2013-06-04	Felix Wolfsteller	Remove stray semicolon from sql schema.
2013-05-31	Tom Gottfried	Schema change: remove UNIQUE-constraint which allows importing cross sections only from PRF
2013-05-23	Tom Gottfried	Schema change: view for WSTs which deales with multiple ranges matching station (issues 1315 and 1296)
2013-05-16	Tom Gottfried	Schema change: Add missing constraints to cross sections in Oracle, cosmetics
2013-05-13	Tom Gottfried	backout 6009:6ea171b6d8d2 because this was only really valid for fixations
2013-05-13	Tom Gottfried	Schema change because WST-columns without time interval are useless

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