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5896a05da4
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use heap_multi_insert for the insert into xxx select yyy query.
fix comment from committer
add test
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2024-07-15 16:38:59 +08:00 |
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e72208e2df
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select支持rotate/not rotate函数
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2024-06-27 15:09:04 +08:00 |
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223fcbe3e9
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B库下非严格模式时支持往非空约束列插入空值
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2024-06-27 14:05:50 +08:00 |
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978f6515d8
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需求：SELECT语句支持sample子句，实现数据采样
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2024-06-27 14:05:48 +08:00 |
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a24adb75f9
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【资源池化】SPQ支持DML+select多机并行
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2023-12-21 15:09:06 +08:00 |
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589a141616
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【资源池化】
SPQ多机并行支持索引类扫描
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2023-11-28 01:36:22 +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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b3b833b510
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修复表上有BRU触发器时的一些问题。
BRU触发器中可能更新分区键，此时我们需要重新计算元组所属的分区；
当UPDATE时遇到CONCURRENTLY UPDATE/DELETE场景时，MERGE INTO需要
重新判断是否匹配，触发器中执行EPQ后投影的结果错误，可能导致宕机。
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2023-09-25 12:19:24 +08:00 |
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d3415baa18
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fixed 3d29452 from https://gitee.com/totaj/openGauss-server/pulls/3760
Fix merge with concurrent update/delete bug.
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2023-07-13 06:10:30 +00:00 |
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d8178cbb42
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INSERT SUB FUSION
opfusion support insert ... select
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2023-06-19 09:23:29 +08:00 |
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658aea19b8
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聚集Limit下推优化
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2023-05-29 14:43:02 +08:00 |
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280d9a599d
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fixed 1f478c5 from https://gitee.com/xiu-qiang-wang-2022/openGauss-server/pulls/3235
分区键表达式性能优化
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2023-03-22 06:36:23 +00:00 |
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35b92aea89
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agg expr step reduce
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2023-03-16 23:22:48 -07:00 |
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ae7631a4ab
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AGG
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2023-03-15 01:53:37 -07:00 |
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980e75155a
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flatten expr framework
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2023-03-12 19:16:08 -07:00 |
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58e6120553
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!2998 SRF执行优化
* fix srf factcheck case
* SRF执行优化
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2023-03-06 09:29:04 +00:00 |
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9ca77f6327
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!2996 AGG投影和转移函数优化
Merge pull request !2996 from 夏自豪/agg_v1
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2023-03-01 03:03:41 +00:00 |
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1b8ab5a2e2
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减少nodeagg算子初始化转移函数的次数，减少算子nodeagg的投影次数
Signed-off-by: 夏自豪 <xiazihao3@huawei.com>
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2023-02-28 03:17:51 -08:00 |
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f7d23913d6
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sync all inner code
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2023-02-27 14:08:20 +08:00 |
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d1c46bb20f
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!2363 执行器优化
Merge pull request !2363 from wanghao19920907/PR_2101
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2023-02-21 08:38:07 +00:00 |
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a3f544a28a
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fix issue I6CG33
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2023-02-06 14:52:33 +08:00 |
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cbb5b4fe37
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执行器优化，改为函数指针的方式，不访问全局数组
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2023-01-16 01:49:05 -08:00 |
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8865e5fc82
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Fix sample scan bug.
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2022-11-29 14:13:45 +08:00 |
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072e25bdbe
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fix rownum error happened in connect by clause
Offering: GaussDB Kernel
More detail: when executing connect by prior b=a and (1=1 or rownum=1), the 1=1 subclause will not be dropped.
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2022-11-25 19:34:58 +08:00 |
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c835e87ff8
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Fix potential data overflow.
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2022-11-07 19:18:02 +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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