+
−--
+
−-- Schema info.
+
−--
+
−-- The schema version is stored in every PR when the PR is
+
−-- entered; this helps reconstruct history.
+
−--
+
−-- The schema version is also used for future-proofing.
+
−
+
−-- Should have only one row.
+
−CREATE TABLE schemainfo (
+
−       version int	not null
+
−)
+
−WITHOUT OIDS;