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Update database templates to v0.3.8.
* Add event_position() * Add event_meta()
This commit is contained in:
D. Berge
@@ -144,6 +144,107 @@ CREATE TYPE public.queue_item_status AS ENUM (
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ALTER TYPE public.queue_item_status OWNER TO postgres;
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--
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-- Name: event_meta(timestamp with time zone); Type: FUNCTION; Schema: public; Owner: postgres
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--
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CREATE FUNCTION public.event_meta(tstamp timestamp with time zone) RETURNS jsonb
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LANGUAGE plpgsql
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AS $$
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BEGIN
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RETURN event_meta(tstamp, NULL, NULL);
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END;
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$$;
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ALTER FUNCTION public.event_meta(tstamp timestamp with time zone) OWNER TO postgres;
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--
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-- Name: FUNCTION event_meta(tstamp timestamp with time zone); Type: COMMENT; Schema: public; Owner: postgres
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--
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COMMENT ON FUNCTION public.event_meta(tstamp timestamp with time zone) IS 'Overload of event_meta (timestamptz, integer, integer) for use when searching by timestamp.';
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--
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-- Name: event_meta(integer, integer); Type: FUNCTION; Schema: public; Owner: postgres
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--
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CREATE FUNCTION public.event_meta(sequence integer, point integer) RETURNS jsonb
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LANGUAGE plpgsql
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AS $$
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BEGIN
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RETURN event_meta(NULL, sequence, point);
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END;
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$$;
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ALTER FUNCTION public.event_meta(sequence integer, point integer) OWNER TO postgres;
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--
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-- Name: FUNCTION event_meta(sequence integer, point integer); Type: COMMENT; Schema: public; Owner: postgres
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--
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COMMENT ON FUNCTION public.event_meta(sequence integer, point integer) IS 'Overload of event_meta (timestamptz, integer, integer) for use when searching by sequence / point.';
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--
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-- Name: event_meta(timestamp with time zone, integer, integer); Type: FUNCTION; Schema: public; Owner: postgres
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--
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CREATE FUNCTION public.event_meta(tstamp timestamp with time zone, sequence integer, point integer) RETURNS jsonb
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LANGUAGE plpgsql
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AS $$
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DECLARE
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result jsonb;
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-- Tolerance is hard-coded, at least until a need to expose arises.
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tolerance numeric;
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BEGIN
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tolerance := 3; -- seconds
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-- We search by timestamp if we can, as that's a lot quicker
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IF tstamp IS NOT NULL THEN
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SELECT meta
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INTO result
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FROM real_time_inputs rti
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WHERE
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rti.tstamp BETWEEN (event_meta.tstamp - tolerance * interval '1 second') AND (event_meta.tstamp + tolerance * interval '1 second')
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ORDER BY abs(extract('epoch' FROM rti.tstamp - event_meta.tstamp ))
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LIMIT 1;
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ELSE
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SELECT meta
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INTO result
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FROM real_time_inputs rti
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WHERE
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(meta->>'_sequence')::integer = event_meta.sequence AND
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(meta->>'_point')::integer = event_meta.point
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ORDER BY rti.tstamp DESC
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LIMIT 1;
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END IF;
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RETURN result;
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END;
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$$;
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ALTER FUNCTION public.event_meta(tstamp timestamp with time zone, sequence integer, point integer) OWNER TO postgres;
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--
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-- Name: FUNCTION event_meta(tstamp timestamp with time zone, sequence integer, point integer); Type: COMMENT; Schema: public; Owner: postgres
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--
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COMMENT ON FUNCTION public.event_meta(tstamp timestamp with time zone, sequence integer, point integer) IS 'Return the real-time event metadata associated with a sequence / point in the current project or
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with a given timestamp. Timestamp that is first searched for in the shot tables
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of the current prospect or, if not found, in the real-time data.
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Returns a JSONB object.';
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--
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-- Name: geometry_from_tstamp(timestamp with time zone, numeric); Type: FUNCTION; Schema: public; Owner: postgres
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--
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@@ -1,3 +1,3 @@
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INSERT INTO public.info VALUES ('version', '{"db_schema": "0.3.7"}')
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INSERT INTO public.info VALUES ('version', '{"db_schema": "0.3.8"}')
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ON CONFLICT (key) DO UPDATE
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SET value = public.info.value || '{"db_schema": "0.3.7"}' WHERE public.info.key = 'version';
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SET value = public.info.value || '{"db_schema": "0.3.8"}' WHERE public.info.key = 'version';
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@@ -496,6 +496,144 @@ CREATE FUNCTION _SURVEY__TEMPLATE_.event_log_update() RETURNS trigger
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ALTER FUNCTION _SURVEY__TEMPLATE_.event_log_update() OWNER TO postgres;
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--
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-- Name: event_position(timestamp with time zone); Type: FUNCTION; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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CREATE FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone) RETURNS public.geometry
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LANGUAGE plpgsql
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AS $$
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BEGIN
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RETURN event_position(tstamp, NULL, NULL);
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END;
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$$;
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ALTER FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone) OWNER TO postgres;
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--
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-- Name: FUNCTION event_position(tstamp timestamp with time zone); Type: COMMENT; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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COMMENT ON FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone) IS 'Overload of event_position (timestamptz, integer, integer) for use when searching by timestamp.';
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--
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-- Name: event_position(integer, integer); Type: FUNCTION; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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CREATE FUNCTION _SURVEY__TEMPLATE_.event_position(sequence integer, point integer) RETURNS public.geometry
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LANGUAGE plpgsql
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AS $$
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BEGIN
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RETURN event_position(NULL, sequence, point);
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END;
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$$;
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ALTER FUNCTION _SURVEY__TEMPLATE_.event_position(sequence integer, point integer) OWNER TO postgres;
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--
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-- Name: FUNCTION event_position(sequence integer, point integer); Type: COMMENT; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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COMMENT ON FUNCTION _SURVEY__TEMPLATE_.event_position(sequence integer, point integer) IS 'Overload of event_position (timestamptz, integer, integer) for use when searching by sequence / point.';
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--
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-- Name: event_position(timestamp with time zone, integer, integer); Type: FUNCTION; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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CREATE FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone, sequence integer, point integer) RETURNS public.geometry
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LANGUAGE plpgsql
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AS $$
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BEGIN
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RETURN event_position(tstamp, sequence, point, 3);
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END;
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$$;
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ALTER FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone, sequence integer, point integer) OWNER TO postgres;
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--
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-- Name: FUNCTION event_position(tstamp timestamp with time zone, sequence integer, point integer); Type: COMMENT; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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COMMENT ON FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone, sequence integer, point integer) IS 'Overload of event_position with a default tolerance of three seconds.';
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--
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-- Name: event_position(timestamp with time zone, integer, integer, numeric); Type: FUNCTION; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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CREATE FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone, sequence integer, point integer, tolerance numeric) RETURNS public.geometry
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LANGUAGE plpgsql
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AS $$
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DECLARE
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position geometry;
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BEGIN
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-- Try and get position by sequence / point first
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IF sequence IS NOT NULL AND point IS NOT NULL THEN
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-- Try and get the position from final_shots or raw_shots
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SELECT COALESCE(f.geometry, r.geometry) geometry
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INTO position
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FROM raw_shots r LEFT JOIN final_shots f USING (sequence, point)
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WHERE r.sequence = event_position.sequence AND r.point = event_position.point;
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IF position IS NOT NULL THEN
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RETURN position;
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ELSIF tstamp IS NULL THEN
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-- Get the timestamp for the sequence / point, if we can.
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-- It will be used later in the function as we fall back
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-- to timestamp based search.
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-- We also adjust the tolerance as we're now dealing with
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-- an exact timestamp.
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SELECT COALESCE(f.tstamp, r.tstamp) tstamp, 0.002 tolerance
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INTO tstamp, tolerance
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FROM raw_shots r LEFT JOIN final_shots f USING (sequence, point)
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WHERE r.sequence = event_position.sequence AND r.point = event_position.point;
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END IF;
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END IF;
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-- If we got here, we better have a timestamp
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-- First attempt, get a position from final_shots, raw_shots. This may
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-- be redundant if we got here from the position of having a sequence /
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-- point without a position, but never mind.
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SELECT COALESCE(f.geometry, r.geometry) geometry
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INTO position
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FROM raw_shots r LEFT JOIN final_shots f USING (sequence, point)
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WHERE r.tstamp = event_position.tstamp OR f.tstamp = event_position.tstamp
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LIMIT 1; -- Just to be sure
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IF position IS NULL THEN
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-- Ok, so everything else so far has failed, let's try and get this
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-- from real time data. We skip the search via sequence / point and
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-- go directly for timestamp.
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SELECT geometry
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INTO position
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FROM geometry_from_tstamp(tstamp, tolerance);
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END IF;
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RETURN position;
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END;
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$$;
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ALTER FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone, sequence integer, point integer, tolerance numeric) OWNER TO postgres;
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--
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-- Name: FUNCTION event_position(tstamp timestamp with time zone, sequence integer, point integer, tolerance numeric); Type: COMMENT; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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COMMENT ON FUNCTION _SURVEY__TEMPLATE_.event_position(tstamp timestamp with time zone, sequence integer, point integer, tolerance numeric) IS 'Return the position associated with a sequence / point in the current project or
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with a given timestamp. Timestamp that is first searched for in the shot tables
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of the current prospect or, if not found, in the real-time data.
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Returns a geometry.';
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--
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-- Name: events_seq_labels_single(); Type: FUNCTION; Schema: _SURVEY__TEMPLATE_; Owner: postgres
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--
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