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1e89dbfc4f
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!3034 优化行转列中numeric转大数的逻辑
Merge pull request !3034 from wanghao19920907/master_numeric2bi
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2023-06-01 11:31:49 +00:00 |
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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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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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459304775f
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declare condition
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2023-05-25 02:46:02 -07:00 |
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725e8b99a2
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!3387 【MySQL兼容需求】实现存储过程中signal/resignal功能
Merge pull request !3387 from yuhuanhuan/signal_resignal_demand
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2023-05-24 03:26:54 +00:00 |
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46d3c969dd
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!3008 indexscan优化
Merge pull request !3008 from ab2020c/master_indexscan
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2023-05-24 02:14:18 +00:00 |
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f120bdefa1
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!3200 内存优化
Merge pull request !3200 from april01xxx/master_memopt
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2023-05-24 01:57:05 +00:00 |
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984a37fbb0
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!3201 IUD优化
Merge pull request !3201 from cc_db_dev/iud_pr
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2023-05-24 01:56:36 +00:00 |
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749ac2193a
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【opengauss】signal/resignal需求实现
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2023-05-23 19:33:33 +08:00 |
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dc68c65815
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fix numeric sign error,beacause Nan
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2023-05-22 08:52:57 -07:00 |
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976a003235
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fix dolphin back-quote bug
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2023-05-15 17:38:54 +08:00 |
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e3470f1eec
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IUD优化
去底噪优化、流程优化
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2023-04-27 14:44:02 +08:00 |
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5c25b5d90d
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内存优化重构：在openGauss中新增了一套内存管理接口和MemoryContext类型
（详见opt_mcxt.cpp和opt_aset.cpp），并对MemoryContext的管理接口（如
reset、delete等操作）进行抽象，带来以下优势：
1. 新增的MemoryContext类型支持MemoryContext复用，减少频繁创建和销毁
MemoryContext的开销；
2. 新增的STANDARD_CONTEXT内存管理接口删除了内存跟踪统计操作，提升了
内存申请和释放时的性能。
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2023-04-27 14:20:26 +08:00 |
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5f6b65ec7a
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Fix gist bug.
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2023-04-17 21:48:50 +08:00 |
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e1d83c8dd5
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clean up compilation warning
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2023-03-31 11:04:30 +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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3b47d9cd6f
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新增GUC参数disable_memory_stats控制STANDARD MEMORY CONTEXT的分配，
开启该参数时逻辑简化，去除一些内存跟踪统计。
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2023-03-20 11:50:06 +08:00 |
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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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c23c85ff42
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!3045 同步5.0.0版本特性
Merge pull request !3045 from 杨浩/master
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2023-03-09 01:59:08 +00:00 |
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46e9fd015b
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sync all inner code
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2023-03-08 10:10:58 +08:00 |
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d639b6b943
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!3021 合入PR: Bitmap Index Scan optimization,使用宏和模板重构bitmap使用的hashtable
Merge pull request !3021 from yyl/3-3bitmmap
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2023-03-08 01:43:47 +00:00 |
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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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93b27dc49f
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合入PR: Bitmap Index Scan optimization,使用宏和模板重构bitmap使用的hashtable
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2023-03-04 14:24:13 +08:00 |
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9f8064bb24
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实现事件触发器
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2023-03-02 11:09:39 -05:00 |
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b8538ddcfb
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!2952 修改syscache,catcache 的访问方式，可以接受hook
Merge pull request !2952 from chenbd/hook_cache
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2023-03-02 11:13:32 +00:00 |
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20232ac3cb
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indexscan优化
1.为x86添加一些原子操作实现;
2.部分判断逻辑或guc参数判断逻辑提前，提高效率
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2023-03-02 16:10:03 +08:00 |
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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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55fb931a8e
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declare exit handler for condition_value
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2023-02-28 21:49:14 -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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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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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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5f7ad14378
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!2376 hashjoin细节优化
Merge pull request !2376 from wanghao19920907/PR_2299
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2023-02-28 08:11:14 +00:00 |
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728bb6933b
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修改syscache,catcache 的访问方式，可以接受hook
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2023-02-28 00:06:34 -05:00 |
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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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cbd9538757
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优化hashjoin细节、对位操作等做一些指令级优化
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2023-02-23 17:59:05 -08:00 |
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c85182e24c
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提升external sort性能
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2023-02-23 19:50:17 +08:00 |
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911ea39bea
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Relation数据结构及相关函数调用优化
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2023-02-21 20:31:34 -08:00 |
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9f84893535
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tupleDesc数据结构及相关函数调用优化
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2023-02-21 20:30:35 -08:00 |
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913c0e2fd3
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!2374 修复init_var_from_num中性能瓶颈
Merge pull request !2374 from wanghao19920907/PR_2295
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2023-02-21 08:38:21 +00:00 |
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688db7b48b
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!2681 错误信息缺陷修改
Merge pull request !2681 from 暖阳/fix_bug2
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2023-02-18 02:03:30 +00:00 |
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3dac2a636a
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Add lock for loading so.
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2023-02-15 19:34:53 +08:00 |
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81646fb183
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修复init_var_from_num中性能瓶颈
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2023-02-05 22:57:53 -08:00 |
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93677e4261
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add listmap sort
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2023-01-11 14:35:28 +08:00 |
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33f90f64e6
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解决dolphin插件中当采用div作为分区键时，会导致crash的问题
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2022-12-29 09:23:00 +08:00 |
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8c80ce6dd8
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error message
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2022-12-22 23:00:57 -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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