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3ae6c51b0f
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!3823 支持union all对子查询排序
Merge pull request !3823 from 李居隆/master
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2023-07-28 09:30:03 +00:00 |
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1bb8db709f
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union all 支持子语句排序
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2023-07-27 19:28:51 +08:00 |
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330bc62631
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使用新参数控制A兼容性下空字符串意义
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2023-07-19 20:10:26 +08:00 |
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ffbc0ac3b7
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兼容MySQL多字符集
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2023-06-29 20:42:59 +08:00 |
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d7b8381b6b
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get diagnostics & show warnings change
condition_number BCONST
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2023-06-25 19:23:14 -07:00 |
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38bfef3239
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!3282 引入PG补丁 45be99f8 计算并行SeqScan代价新公式
Merge pull request !3282 from xiyanziran/master_dopcost
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2023-06-01 11:36:14 +00:00 |
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9d85ffbb2d
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!3033 据是否开启向量化对向量化计划中的targetlist进行剪裁，只保留使用到列，以降低行转列时候的开销
Merge pull request !3033 from wanghao19920907/master_targetlist
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2023-06-01 11:32:08 +00:00 |
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9f91e10ed6
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!3124 聚集Limit优化
Merge pull request !3124 from ljy/nodeSortGroup_master
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2023-06-01 11:31:30 +00:00 |
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b90288d51e
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!3186 对同事务中批量逐条INSERT场景进行opfusion对象复用的优化
Merge pull request !3186 from cc_db_dev/opfusion_master
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2023-06-01 09:11:12 +00:00 |
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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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db4da8fe20
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根据是否开启向量化对向量化计划中的targetlist进行剪裁，只保留使用到列，以降低行转列时候的开销
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2023-05-28 21:16:40 -07:00 |
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f83ae1c2d0
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opfusion复用
在事务内，允许操作相同表的insert操作复用
上一个opfusion对象
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2023-04-27 15:07:39 +08:00 |
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83b5653167
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mysql fetch into exit
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2023-04-10 23:11:36 -07:00 |
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0b8aa8cde5
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引入PG补丁 45be99f8 计算并行SeqScan代价新公式，使用开关控制，默认不开启。
磁盘代价作为整体计入Seqscan代价，不再按照线程数平均。
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2023-04-02 23:12:35 -04:00 |
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64e79b15a2
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Add select into return null.
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2023-03-08 21:06:38 +08:00 |
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9e57ff3e8e
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Inner Unique
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2023-02-28 05:11:41 -08:00 |
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70f464b44d
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!2986 索引扫描算子优化
Merge pull request !2986 from yyl/base-index
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2023-02-28 12:12:18 +00:00 |
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0ffb3f47a0
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!2960 TPCH查询重写优化，子连接提升
Merge pull request !2960 from haruworms/slk
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2023-02-28 08:14:51 +00:00 |
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0126ddc59d
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索引扫描算子优化
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2023-02-27 18:33:17 -08:00 |
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ad1a3b25d7
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subquery optimization in TPCH
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2023-02-27 04:05:03 -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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52dd7bc750
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!2871 【MySQL兼容性】distinct支持order by带表达式。
Merge pull request !2871 from laishenghao/distinct-orderby
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2023-02-15 07:26:40 +00:00 |
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78ea45ca13
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修复开启partial seq scan后Seq Scan算子初始化期间core
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2023-02-08 16:32:28 +08:00 |
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8d5b8af09c
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增加distinct+orderby支持表达式、未选字段的功能
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2023-02-06 20:02:09 +08:00 |
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b15c245a18
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支持or表达式的谓词提取下推,为sql_bate_feature新增选项来控制这个功能
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2022-12-22 18:49:41 +08:00 |
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b919f404e8
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add openGauss 3.1.0 feature code
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2022-09-03 16:22:35 +08:00 |
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5f1620f617
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!1790 IGNORE关键字实现：server部分
Merge pull request !1790 from zhangzhixian/master
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2022-06-22 09:36:50 +00:00 |
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dcf4f58a9e
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Fix substr compat with pg.
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2022-06-21 20:14:30 +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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77fbf44da8
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增加enable_custom_parser和parser hook，支持自定义解析器
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2022-01-14 11:21:31 +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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4cf1c59e5d
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修复public同义词编译问题
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2021-09-29 12:02:28 +00:00 |
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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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