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The following commit(s) were added to refs/heads/master by this push: new 5ddc065c138 [doc](fix) add STRING conversion notice (#55) 5ddc065c138 is described below commit 5ddc065c138fd5a48c2c5b12796ef019acea40eb Author: a19920714liou <562951...@qq.com> AuthorDate: Mon Aug 22 08:57:08 2022 +0800 [doc](fix) add STRING conversion notice (#55) add STRING conversion notice --- .../sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md | 1 + .../sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md | 1 + 2 files changed, 2 insertions(+) diff --git a/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md b/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md index 27a77319d84..697ef2a912b 100644 --- a/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md +++ b/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md @@ -116,6 +116,7 @@ Notice: - DATE is converted to DATETIME (hours, minutes and seconds are automatically filled with zeros, for example: `2019-12-09` <--> `2019-12-09 00:00:00`) - Convert FLOAT to DOUBLE - INT is converted to DATE (if the INT type data is illegal, the conversion fails, and the original data remains unchanged) + - All can be converted to STRING except DATE and DATETIME, but STRING cannot be converted to any other type 5. Reorder the column at the specified index diff --git a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md index 743d29b8d42..287ca8a3f3b 100644 --- a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md +++ b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md @@ -116,6 +116,7 @@ MODIFY COLUMN column_name column_type [KEY | agg_type] [NULL | NOT NULL] [DEFAUL - DATE 转换成 DATETIME(时分秒自动补零, 例如: `2019-12-09` <--> `2019-12-09 00:00:00`) - FLOAT 转换成 DOUBLE - INT 转换成 DATE (如果INT类型数据不合法则转换失败,原始数据不变) + - 除DATE与DATETIME以外都可以转换成STRING,但是STRING不能转换任何其他类型 5. 对指定 index 的列进行重新排序 --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org