Commit Graph

18 Commits

Author SHA1 Message Date
5eef4de86d fix some optimizer bugs 2023-05-10 05:19:22 +00:00
4108e781d4 [FEAT MERGE] implement mysql dblink and read consistency
Co-authored-by: xianyu-w <707512433@qq.com>
Co-authored-by: sdc <njucssdc@gmail.com>
Co-authored-by: seuwebber <webber_code@163.com>
2023-05-09 18:32:04 +00:00
b41dc0ebdd [FEAT MERGE] support auto dop 2023-04-28 15:11:53 +00:00
f745b47cbc [FEAT MERGE] implement dynamic sampling 2023-04-27 12:15:28 +00:00
3b47aa7ccd disable hash groupby bypass path when estimiate stat 2023-03-09 12:44:37 +00:00
f7714fcb55 set dblink timeout 2023-03-07 08:40:53 +00:00
9eba955ac6 fix outline/hint generate plan bug 2023-03-04 01:41:06 +00:00
8454783aaf [online stat]: fix some bugs. 2023-02-07 00:16:24 +08:00
814de27a42 dblink_write implement [FEAT MERGE]
Co-authored-by: zzg19950727 <1071026277@qq.com>
Co-authored-by: xianyu-w <707512433@qq.com>
2023-01-29 16:23:19 +08:00
81d28c0295 [FEAT MERGE] add direct load function
Co-authored-by: Monk-Liu <1152761042@qq.com>
Co-authored-by: saltonz <saltonzh@gmail.com>
Co-authored-by: yongshige <598633031@qq.com>
2023-01-28 18:08:51 +08:00
2d19a9d8f5 [FEAT MERGE]4_1_sql_feature
Co-authored-by: leslieyuchen <leslieyuchen@gmail.com>
Co-authored-by: Charles0429 <xiezhenjiang@gmail.com>
Co-authored-by: raywill <hustos@gmail.com>
2023-01-28 16:01:28 +08:00
9484175163 [FEAT MERGE]: online optimizer stats gather.
Co-authored-by: obdev <obdev@oceanbase.com>
2023-01-28 13:54:38 +08:00
07b1224a51 [FEAT MERGE] skip scan feature and performance optimization 2023-01-12 19:02:33 +08:00
87a9357186 set the initial value of wrs to scn min 2023-01-12 19:02:33 +08:00
11485d6a98 [SCN REFACTOR] replace flash back snapshot and remove read snapshot session 2023-01-12 19:02:33 +08:00
54b64a7263 [scn] fix failure of mittest after refresh feature scn 2023-01-12 19:02:20 +08:00
d2415e376b fix outline data generate plan bug 2022-11-09 08:35:52 +00:00
93a1074b0c patch 4.0 2022-10-24 17:57:12 +08:00