This is an automated email from the ASF dual-hosted git repository. zhaoc pushed a commit to branch revert-2256-nullable-default in repository https://gitbox.apache.org/repos/asf/incubator-doris.git
commit 3e2d52d773a09c614c208eb5e2ab3dcd84d66062 Author: ZHAO Chun <[email protected]> AuthorDate: Fri Nov 29 14:45:43 2019 +0800 Revert "Create table with nullable column for default (#2256)" This reverts commit 8bf00afa250d07b00d31bb88876712beaadb1801. --- docs/documentation/cn/getting-started/basic-usage.md | 1 - docs/documentation/en/getting-started/basic-usage_EN.md | 3 +-- fe/src/main/cup/sql_parser.cup | 2 +- 3 files changed, 2 insertions(+), 4 deletions(-) diff --git a/docs/documentation/cn/getting-started/basic-usage.md b/docs/documentation/cn/getting-started/basic-usage.md index 8bb1754..de83c4b 100644 --- a/docs/documentation/cn/getting-started/basic-usage.md +++ b/docs/documentation/cn/getting-started/basic-usage.md @@ -228,7 +228,6 @@ MySQL> DESC table2; > 3. 数据导入可以导入指定的 Partition。详见 `HELP LOAD`。 > 4. 可以动态修改表的 Schema。 > 5. 可以对 Table 增加上卷表（Rollup）以提高查询性能，这部分可以参见高级使用指南关于 Rollup 的描述。 -> 6. 表的列的Null属性默认为true，会对查询性能有一定的影响。 ### 2.4 导入数据 diff --git a/docs/documentation/en/getting-started/basic-usage_EN.md b/docs/documentation/en/getting-started/basic-usage_EN.md index 01750c7..59c0c0d 100644 --- a/docs/documentation/en/getting-started/basic-usage_EN.md +++ b/docs/documentation/en/getting-started/basic-usage_EN.md @@ -229,7 +229,6 @@ MySQL> DESC table2; > 3. Data import can import the specified Partition. See `HELP LOAD'. > 4. Schema of table can be dynamically modified. > 5. Rollup can be added to Table to improve query performance. This section > can be referred to the description of Rollup in Advanced Usage Guide. -> 6. The default value of Null property for column is true, which may result in poor scan performance. ### 2.4 Import data @@ -372,4 +371,4 @@ MySQL> SELECT SUM(pv) FROM table2 WHERE siteid IN (SELECT siteid FROM table1 WHE | 8 | +-----------+ 1 row in set (0.13 sec) -``` +``` \ No newline at end of file diff --git a/fe/src/main/cup/sql_parser.cup b/fe/src/main/cup/sql_parser.cup index 9ba9caa..f1f8a41 100644 --- a/fe/src/main/cup/sql_parser.cup +++ b/fe/src/main/cup/sql_parser.cup @@ -1702,7 +1702,7 @@ column_definition ::= opt_is_allow_null ::= {: - RESULT = true; + RESULT = false; :} | KW_NULL {: --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
