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dc913ef0d4
The non-parallel pathes generated by DecompressChunk were incorrectly marked as parallel_safe even when the child scan was not parallel aware. Leading to incorrect query results when those pathes were used in a parallel plan. Additionaly DecompressChunk code didnt set total_table_pages on PlannerInfo leading to an assertion failure in BitmapHeapscan path creation.
108 lines
5.2 KiB
SQL
108 lines
5.2 KiB
SQL
-- This file and its contents are licensed under the Timescale License.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-TIMESCALE for a copy of the license.
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-- test handling of PlaceHolderVar in DecompressChunk
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-- https://github.com/timescale/timescaledb/issues/1981
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CREATE TABLE decompress_phv_device (
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device_id integer NOT NULL,
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decompress_phv_device_name varchar(128) NOT NULL,
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network_id integer
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);
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CREATE TABLE decompress_phv_ping (
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id integer NOT NULL,
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device_id integer NOT NULL,
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pkt_rx integer NOT NULL,
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rtt_avg float,
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insert_ts timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL
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);
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SELECT table_name FROM create_hypertable('decompress_phv_ping', 'insert_ts', chunk_time_interval => interval '1 day');
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INSERT INTO decompress_phv_device
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VALUES (41040, 'MB10010013', 240), (65101, 'BR100103ca', 240), (65103, 'BR100103cb', 240), (65105, 'BR100103cc', 240), (65107, 'BR100103cd', 240), (41041, 'MB11000000', 241), (65201, 'BR11000014', 241), (65203, 'BR11000015', 241), (65205, 'BR11000016', 241), (65207, 'BR11000017', 241);
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INSERT INTO decompress_phv_ping
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VALUES (1, 41040, 3, 243.333333333333, '2019-03-21 02:30:48.007'), (1, 41040, 3, 300.333333333333, '2019-03-21 02:00:19.957'), (1, 41040, 3, 265.333333333333, '2019-03-21 01:28:50.669'), (1, 41040, 3, 174, '2019-03-21 00:57:09.733'), (1, 41040, 3, 552.666666666667, '2019-03-21 00:21:02.305'), (1, 41041, 3, 330.333333333333, '2019-03-21 02:30:44.984'), (1, 41041, 3, 753, '2019-03-21 02:00:38.062'), (1, 41041, 3, 260, '2019-03-21 01:30:10.21'), (1, 41041, 3, 357.333333333333, '2019-03-21 00:59:10.768'), (1, 41041, 3, 474.666666666667, '2019-03-21 00:20:54.272'), (1, 65101, 3, 17.5200004577637, '2019-03-21 02:36:50.606'), (1, 65101, 3, 17.5200004577637, '2019-03-21 02:06:43.631'), (1, 65101, 3, 31.8933359781901, '2019-03-21 01:34:56.56'), (1, 65101, 3, 17.5200004577637, '2019-03-21 01:03:10.913'), (1, 65101, 3, 17.5200004577637, '2019-03-21 00:33:53.707'), (1, 65201, 3, 17.5200004577637, '2019-03-21 02:31:58.444'), (1, 65201, 3, 17.5200004577637, '2019-03-21 02:01:53.565'), (1, 65201, 3, 17.5200004577637, '2019-03-21 01:30:16.261'), (1, 65201, 2, 17.5200004577637, '2019-03-21 00:59:34.953'), (1, 65201, 3, 17.5200004577637, '2019-03-21 00:27:19.228'), (1, 41040, 3, 31.6666666666667, '2019-03-22 03:29:45.404'), (1, 41040, 3, 128, '2019-03-22 03:01:36.323'), (1, 41040, 3, 50, '2019-03-22 02:31:20.107'), (1, 41040, 3, 149.666666666667, '2019-03-22 02:01:07.201'), (1, 41040, 3, 502, '2019-03-22 01:28:27.129'), (1, 41041, 3, 355, '2019-03-22 03:30:50.844'), (1, 41041, 3, 53, '2019-03-22 03:01:40.348'), (1, 41041, 3, 121.333333333333, '2019-03-22 02:32:04.392'), (1, 41041, 3, 325.333333333333, '2019-03-22 02:02:06.968'), (1, 41041, 3, 576.666666666667, '2019-03-22 01:30:04.821'), (1, 65101, 3, 17.5200004577637, '2019-03-22 03:08:33.227'), (1, 65101, 3, 17.5200004577637, '2019-03-22 02:37:29.96'), (1, 65101, 3, 17.5200004577637, '2019-03-22 02:07:14.805'), (1, 65101, 3, 17.5200004577637, '2019-03-22 01:34:25.055'), (1, 65101, 3, 17.5200004577637, '2019-03-22 01:03:40.405'), (1, 65201, 3, 17.5200004577637, '2019-03-22 03:30:56.885'), (1, 65201, 3, 17.5200004577637, '2019-03-22 03:03:40.243'), (1, 65201, 3, 17.5200004577637, '2019-03-22 02:32:38.625'), (1, 65201, 3, 17.5200004577637, '2019-03-22 02:02:20.05'), (1, 65201, 3, 17.5200004577637, '2019-03-22 01:30:09.863');
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ALTER TABLE decompress_phv_ping SET (timescaledb.compress, timescaledb.compress_orderby = 'device_id, insert_ts DESC');
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SELECT count(*) AS compressed
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FROM ( select compress_chunk(i) FROM show_chunks('decompress_phv_ping') i ) q;
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SELECT from_ts, insert_ts, network_id, pkt_loss, rtt_avg
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FROM generate_series('2019-03-21 01:00:00'::timestamp, '2019-03-23 13:00:00'::timestamp, '12h'::interval) ts_bucket (from_ts)
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LEFT JOIN (
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SELECT d.network_id,
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CASE WHEN p.pkt_rx = 0 THEN
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1
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ELSE
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0
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END AS pkt_loss,
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p.rtt_avg,
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p.insert_ts
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FROM decompress_phv_device d
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INNER JOIN decompress_phv_ping p ON p.device_id = d.device_id
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WHERE d.network_id = 240) data ON data.insert_ts BETWEEN from_ts
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AND from_ts + '12h'::interval
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ORDER BY 1,2;
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DROP TABLE decompress_phv_ping;
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DROP TABLE decompress_phv_device;
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-- test assertion failure in bitmapheapscan path creation
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-- GH Issue #2211
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CREATE TABLE tickers (
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time TIMESTAMPTZ,
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microseconds INT,
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fk_exchange SMALLINT,
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fk_trade_pair SMALLINT
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);
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CREATE INDEX ON tickers (fk_exchange, fk_trade_pair, time DESC, microseconds DESC);
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SELECT
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table_name
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FROM
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create_hypertable('tickers', 'time');
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ALTER TABLE tickers SET (timescaledb.compress, timescaledb.compress_segmentby = 'fk_exchange,
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fk_trade_pair', timescaledb.compress_orderby = 'time DESC, microseconds DESC');
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INSERT INTO tickers
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SELECT
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'2000-01-01',
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0,
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i,
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j
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FROM
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generate_series(1, 20) i,
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generate_series(1, 40) j;
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SELECT
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substr(compress_chunk(tableoid::REGCLASS)::TEXT, 1, 29)
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FROM
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tickers
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GROUP BY
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tableoid;
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-- make sure we get bitmapheapscan
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SET enable_indexscan TO FALSE;
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SELECT
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*
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FROM
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tickers
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WHERE
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time >= '2000-01-01'
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AND time < '2020-08-02T00:00Z'
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AND fk_exchange = 4
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AND fk_trade_pair = 29
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ORDER BY
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time DESC,
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microseconds DESC;
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DROP TABLE tickers;
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