mirror of https://github.com/citusdata/citus.git
106 lines
3.7 KiB
Plaintext
106 lines
3.7 KiB
Plaintext
--
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-- Test querying cstore_fdw tables.
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--
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-- Settings to make the result deterministic
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SET datestyle = "ISO, YMD";
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-- Query uncompressed data
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SELECT count(*) FROM contestant;
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count
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-------
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8
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(1 row)
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SELECT avg(rating), stddev_samp(rating) FROM contestant;
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avg | stddev_samp
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-----------------------+------------------
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2344.3750000000000000 | 433.746119785032
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(1 row)
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SELECT country, avg(rating) FROM contestant WHERE rating > 2200
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GROUP BY country ORDER BY country;
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country | avg
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---------+-----------------------
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XA | 2203.0000000000000000
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XB | 2610.5000000000000000
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XC | 2236.0000000000000000
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XD | 3090.0000000000000000
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(4 rows)
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SELECT * FROM contestant ORDER BY handle;
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handle | birthdate | rating | percentile | country | achievements
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--------+------------+--------+------------+---------+--------------
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a | 1990-01-10 | 2090 | 97.1 | XA | {a}
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b | 1990-11-01 | 2203 | 98.1 | XA | {a,b}
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c | 1988-11-01 | 2907 | 99.4 | XB | {w,y}
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d | 1985-05-05 | 2314 | 98.3 | XB | {}
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e | 1995-05-05 | 2236 | 98.2 | XC | {a}
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f | 1983-04-02 | 3090 | 99.6 | XD | {a,b,c,y}
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g | 1991-12-13 | 1803 | 85.1 | XD | {a,c}
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h | 1987-10-26 | 2112 | 95.4 | XD | {w,a}
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(8 rows)
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-- Query compressed data
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SELECT count(*) FROM contestant_compressed;
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count
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-------
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8
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(1 row)
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SELECT avg(rating), stddev_samp(rating) FROM contestant_compressed;
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avg | stddev_samp
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-----------------------+------------------
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2344.3750000000000000 | 433.746119785032
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(1 row)
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SELECT country, avg(rating) FROM contestant_compressed WHERE rating > 2200
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GROUP BY country ORDER BY country;
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country | avg
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---------+-----------------------
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XA | 2203.0000000000000000
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XB | 2610.5000000000000000
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XC | 2236.0000000000000000
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XD | 3090.0000000000000000
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(4 rows)
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SELECT * FROM contestant_compressed ORDER BY handle;
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handle | birthdate | rating | percentile | country | achievements
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--------+------------+--------+------------+---------+--------------
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a | 1990-01-10 | 2090 | 97.1 | XA | {a}
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b | 1990-11-01 | 2203 | 98.1 | XA | {a,b}
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c | 1988-11-01 | 2907 | 99.4 | XB | {w,y}
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d | 1985-05-05 | 2314 | 98.3 | XB | {}
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e | 1995-05-05 | 2236 | 98.2 | XC | {a}
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f | 1983-04-02 | 3090 | 99.6 | XD | {a,b,c,y}
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g | 1991-12-13 | 1803 | 85.1 | XD | {a,c}
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h | 1987-10-26 | 2112 | 95.4 | XD | {w,a}
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(8 rows)
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-- Verify that we handle whole-row references correctly
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SELECT to_json(v) FROM contestant v ORDER BY rating LIMIT 1;
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to_json
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------------------------------------------------------------------------------------------------------------------
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{"handle":"g","birthdate":"1991-12-13","rating":1803,"percentile":85.1,"country":"XD ","achievements":["a","c"]}
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(1 row)
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-- Test variables used in expressions
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CREATE TABLE union_first (a int, b int) USING cstore_tableam;
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CREATE TABLE union_second (a int, b int) USING cstore_tableam;
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INSERT INTO union_first SELECT a, a FROM generate_series(1, 5) a;
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INSERT INTO union_second SELECT a, a FROM generate_series(11, 15) a;
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(SELECT a*1, b FROM union_first) union all (SELECT a*1, b FROM union_second);
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?column? | b
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----------+----
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1 | 1
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2 | 2
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3 | 3
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4 | 4
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5 | 5
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11 | 11
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12 | 12
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13 | 13
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14 | 14
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15 | 15
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(10 rows)
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DROP TABLE union_first, union_second;
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