mirror of
https://github.com/GreptimeTeam/greptimedb.git
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65f8b72d34
* feat: ordered builder wip * feat: impl RegionScanner for SeqScan * feat: implement scan_partition and build_stream * chore: return SeqScan as RegionScanner * fix: group parts * feat: split parts * chore: reader metrics * chore: metrics * chore: remove unused codes * chore: support holding a group of ranges in ScanPart * feat: group ScanParts to ScanParts * feat: impl SeqScanner again * chore: observe build cost in ScannerMetrics * chore: fix compiler warnings * style: fix clippy * docs: update config docs * chore: forward DisplayAs to scanner * test: update sqlness tests * chore: update debug fmt * chore: custom debug for timestamp fix test compiling issue with common-macro when running cargo nextest -p common-time * chore: update debug format * feat: update fmt for scan part * chore: fix warning * fix: sanitize parallelism * feat: split parts * test: fix config api test * feat: update logs * chore: Revert "chore: remove unused codes" This reverts commit b548b30a01eeded59b1a0a8d89f9293ca63afc41. * chore: Revert "docs: update config docs" This reverts commit a7997e78d6ddcf635560574de8c1948c495bdd12. * feat: each partition scan files in parallel * test: fix config api test * docs: fix typo * chore: address comments, simplify tests * feat: global semaphore * feat: always spawn task * chore: simplify default explain output format * handle output partiton number is 0 Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * fix typo Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com> Co-authored-by: Ruihang Xia <waynestxia@gmail.com>
75 lines
1.9 KiB
Plaintext
75 lines
1.9 KiB
Plaintext
--- alter table to add new column with default timestamp values aware of session timezone test ---
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CREATE TABLE test1 (i INTEGER, j TIMESTAMP time index, PRIMARY KEY(i));
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Affected Rows: 0
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INSERT INTO test1 values (1, 1), (2, 2);
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Affected Rows: 2
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SELECT * FROM test1;
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+---+-------------------------+
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| i | j |
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+---+-------------------------+
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| 1 | 1970-01-01T00:00:00.001 |
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| 2 | 1970-01-01T00:00:00.002 |
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+---+-------------------------+
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--- add ts1 column ---
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ALTER TABLE test1 ADD COLUMN ts1 TIMESTAMP DEFAULT '2024-01-30 00:01:01' PRIMARY KEY;
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Affected Rows: 0
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INSERT INTO test1 values (3, 3, DEFAULT), (4, 4, '2024-01-31 00:01:01');
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Affected Rows: 2
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-- SQLNESS SORT_RESULT 3 1
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SELECT i, ts1 FROM test1;
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+---+---------------------+
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| i | ts1 |
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+---+---------------------+
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| 1 | 2024-01-30T00:01:01 |
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| 2 | 2024-01-30T00:01:01 |
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| 3 | 2024-01-30T00:01:01 |
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| 4 | 2024-01-31T00:01:01 |
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+---+---------------------+
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SET time_zone = 'Asia/Shanghai';
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Affected Rows: 0
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--- add ts2 column, default value is the same as ts1, but with different session timezone ---
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ALTER TABLE test1 ADD COLUMN ts2 TIMESTAMP DEFAULT '2024-01-30 00:01:01' PRIMARY KEY;
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Affected Rows: 0
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INSERT INTO test1 values (5, 5, DEFAULT, DEFAULT), (6, 6, DEFAULT, '2024-01-31 00:01:01');
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Affected Rows: 2
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-- SQLNESS SORT_RESULT 3 1
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SELECT i, ts1, ts2 FROM test1;
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+---+---------------------+---------------------+
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| i | ts1 | ts2 |
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+---+---------------------+---------------------+
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| 1 | 2024-01-30T00:01:01 | 2024-01-29T16:01:01 |
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| 2 | 2024-01-30T00:01:01 | 2024-01-29T16:01:01 |
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| 3 | 2024-01-30T00:01:01 | 2024-01-29T16:01:01 |
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| 4 | 2024-01-31T00:01:01 | 2024-01-29T16:01:01 |
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| 5 | 2024-01-30T00:01:01 | 2024-01-29T16:01:01 |
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| 6 | 2024-01-30T00:01:01 | 2024-01-30T16:01:01 |
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+---+---------------------+---------------------+
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SET time_zone = 'UTC';
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Affected Rows: 0
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DROP TABLE test1;
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Affected Rows: 0
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