mirror of https://github.com/citusdata/citus.git
94 lines
4.1 KiB
Plaintext
94 lines
4.1 KiB
Plaintext
CREATE TABLE columnar_update(i int, j int) USING columnar;
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INSERT INTO columnar_update VALUES (1, 10);
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INSERT INTO columnar_update VALUES (2, 20);
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INSERT INTO columnar_update VALUES (3, 30);
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-- should fail
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UPDATE columnar_update SET j = j+1 WHERE i = 2;
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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-- should fail
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DELETE FROM columnar_update WHERE i = 2;
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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-- should succeed because there's no target
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INSERT INTO columnar_update VALUES
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(3, 5),
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(4, 5),
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(5, 5)
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ON CONFLICT DO NOTHING;
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-- should fail because we can't create an index on columnar_update.i
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INSERT INTO columnar_update VALUES
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(3, 5),
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(4, 5),
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(5, 5)
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ON CONFLICT (i) DO NOTHING;
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ERROR: there is no unique or exclusion constraint matching the ON CONFLICT specification
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-- tuple locks should fail
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SELECT * FROM columnar_update WHERE i = 2 FOR SHARE;
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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SELECT * FROM columnar_update WHERE i = 2 FOR UPDATE;
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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-- CTID scans should fail
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SELECT * FROM columnar_update WHERE ctid = '(0,2)';
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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DROP TABLE columnar_update;
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CREATE TABLE parent(ts timestamptz, i int, n numeric, s text)
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PARTITION BY RANGE (ts);
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CREATE TABLE p0 PARTITION OF parent
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FOR VALUES FROM ('2020-01-01') TO ('2020-02-01')
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USING COLUMNAR;
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CREATE TABLE p1 PARTITION OF parent
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FOR VALUES FROM ('2020-02-01') TO ('2020-03-01')
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USING COLUMNAR;
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CREATE TABLE p2 PARTITION OF parent
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FOR VALUES FROM ('2020-03-01') TO ('2020-04-01');
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INSERT INTO parent VALUES('2020-01-15', 10, 100, 'one thousand'); -- columnar
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INSERT INTO parent VALUES('2020-02-15', 20, 200, 'two thousand'); -- columnar
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INSERT INTO parent VALUES('2020-03-15', 30, 300, 'three thousand'); -- row
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INSERT INTO parent VALUES('2020-03-21', 31, 301, 'three thousand and one'); -- row
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INSERT INTO parent VALUES('2020-03-22', 32, 302, 'three thousand and two'); -- row
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INSERT INTO parent VALUES('2020-03-23', 33, 303, 'three thousand and three'); -- row
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SELECT * FROM parent;
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ts | i | n | s
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---------------------------------------------------------------------
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Wed Jan 15 00:00:00 2020 PST | 10 | 100 | one thousand
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Sat Feb 15 00:00:00 2020 PST | 20 | 200 | two thousand
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Sun Mar 15 00:00:00 2020 PDT | 30 | 300 | three thousand
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Sat Mar 21 00:00:00 2020 PDT | 31 | 301 | three thousand and one
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Sun Mar 22 00:00:00 2020 PDT | 32 | 302 | three thousand and two
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Mon Mar 23 00:00:00 2020 PDT | 33 | 303 | three thousand and three
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(6 rows)
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-- update on specific row partition should succeed
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UPDATE p2 SET i = i+1 WHERE ts = '2020-03-15';
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DELETE FROM p2 WHERE ts = '2020-03-21';
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-- update on specific columnar partition should fail
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UPDATE p1 SET i = i+1 WHERE ts = '2020-02-15';
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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DELETE FROM p1 WHERE ts = '2020-02-15';
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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-- partitioned updates that affect only row tables
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-- should succeed
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UPDATE parent SET i = i+1 WHERE ts = '2020-03-15';
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DELETE FROM parent WHERE ts = '2020-03-22';
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-- partitioned updates that affect columnar tables
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-- should fail
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UPDATE parent SET i = i+1 WHERE ts > '2020-02-15';
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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DELETE FROM parent WHERE ts > '2020-02-15';
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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-- non-partitioned update should fail, even if it
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-- only affects a row partition
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UPDATE parent SET i = i+1 WHERE n = 300;
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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DELETE FROM parent WHERE n = 303;
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ERROR: UPDATE and CTID scans not supported for ColumnarScan
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SELECT * FROM parent;
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ts | i | n | s
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---------------------------------------------------------------------
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Wed Jan 15 00:00:00 2020 PST | 10 | 100 | one thousand
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Sat Feb 15 00:00:00 2020 PST | 20 | 200 | two thousand
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Mon Mar 23 00:00:00 2020 PDT | 33 | 303 | three thousand and three
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Sun Mar 15 00:00:00 2020 PDT | 32 | 300 | three thousand
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(4 rows)
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DROP TABLE parent;
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