Merge pull request #6 from mattn/kindtimeidx2

add kindtimeidx for postgresql

mysql/init.go

@@ -31,6 +31,7 @@ var ddls = []string{
 	`CREATE INDEX pubkeyprefix ON event (pubkey);`,
 	`CREATE INDEX timeidx ON event (created_at DESC);`,
 	`CREATE INDEX kindidx ON event (kind);`,
+	`CREATE INDEX kindtimeidx ON event(kind,created_at DESC);`,
 }
 
 func (b *MySQLBackend) Init() error {

postgresql/init.go

@@ -52,6 +52,7 @@ CREATE UNIQUE INDEX IF NOT EXISTS ididx ON event USING btree (id text_pattern_op
 CREATE INDEX IF NOT EXISTS pubkeyprefix ON event USING btree (pubkey text_pattern_ops);
 CREATE INDEX IF NOT EXISTS timeidx ON event (created_at DESC);
 CREATE INDEX IF NOT EXISTS kindidx ON event (kind);
+CREATE INDEX IF NOT EXISTS kindtimeidx ON event(kind,created_at DESC);
 CREATE INDEX IF NOT EXISTS arbitrarytagvalues ON event USING gin (tagvalues);
     `)