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d5cd7adb9a
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add proc: bin_to_num
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2024-10-22 17:05:40 +08:00 |
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c71c3d044b
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修改列numeric、float数据类型时，添加验证
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2024-08-01 18:40:58 +08:00 |
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46956673c4
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support float & numeric with negative scale
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2024-07-04 09:15:58 +08:00 |
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ea7ff3627b
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openGauss资源池化支持多机并行
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2023-10-12 18:39:23 +08:00 |
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44fe478362
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优化numeric转大数的逻辑
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2023-05-29 21:07:10 -07:00 |
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d4c6baf3f2
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!2987 对agg numeric类型sum、agg等函数优化
Merge pull request !2987 from cailei/numeric_0227
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2023-03-02 06:38:21 +00:00 |
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4180f34b3d
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agg优化 numeric相关sum\avg等优化
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2023-03-01 17:54:52 +08:00 |
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41078c951a
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!2979 Seqscan底噪消除-单表查询无索引性能优化
* Seqscan性能优化
* Seqscan性能优化
* Seqscan性能优化
* SeqScan性能优化
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2023-02-28 09:34:49 +00:00 |
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812f586beb
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Reduce memory allocation and deallocation to improve the computational performance of numeric digits.
before optimization:
openGauss=# explain analyse select sqrt(t0) from t_numeric limit 10000000;
QUERY PLAN
-------------------------------------------------------------------------------------------
------------------------------------
Limit (cost=0.00..197973.49 rows=8386919 width=5) (actual time=0.054..167434.766 rows=838
8608 loops=1)
-> Seq Scan on t_numeric (cost=0.00..197973.49 rows=8386919 width=5) (actual time=0.05
3..166061.081 rows=8388608 loops=1)
Total runtime: 168495.866 ms
(3 rows)
Time: 168499.243 ms
after optimization:
openGauss=# explain analyse select sqrt(t0) from t_numeric limit 10000000;
QUERY PLAN
-------------------------------------------------------------------------------------------
------------------------------------
Limit (cost=0.00..197973.49 rows=8386919 width=5) (actual time=0.045..151376.445 rows=838
8608 loops=1)
-> Seq Scan on t_numeric (cost=0.00..197973.49 rows=8386919 width=5) (actual time=0.04
4..150108.807 rows=8388608 loops=1)
Total runtime: 152469.050 ms
(3 rows)
Time: 152472.278 ms
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2022-07-28 21:58:16 +08:00 |
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a8da82a0fb
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Implementation of keyword ignore: using hint string
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2022-06-20 15:46:28 +08:00 |
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de223dd152
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sync code
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2022-03-04 23:22:16 +08:00 |
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c7b25efcff
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New features (and bug fixes)
1. alter large sequence
2. subpartition
2.1 split subpartition
2.2 truncate subpartition
3. 支持load
4. 支持start-with/connect-by
5. ...
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2021-12-29 21:33:28 +08:00 |
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1d540f4462
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Patch for 930 release
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2021-09-23 15:19:37 +08:00 |
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4151b06669
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support jsonb
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2021-05-19 21:22:02 +08:00 |
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3d79c59118
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Misc bugfixes
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2021-03-06 12:39:28 +08:00 |
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815a9771fb
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first commit for openGauss server
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2020-06-30 17:38:27 +08:00 |
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