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docs: add time formats refer (#2076)

Signed-off-by: xjasonlyu <xjasonlyu@gmail.com>
Jason Lyu 1 anno fa
parent
commit
c9760c25c3

+ 1 - 0
docs/en_US/sqls/functions/transform_functions.md

@@ -19,6 +19,7 @@ When casting to a datetime type, the supported column type and casting rule are:
 2. If column is bigint or float type, the number will be treated as the milliseconds elapsed since January 1, 1970 00:
 2. If column is bigint or float type, the number will be treated as the milliseconds elapsed since January 1, 1970 00:
    00:00 UTC and converted.
    00:00 UTC and converted.
 3. If column is string, it will try to automatically detect the format and convert it to datetime type.
 3. If column is string, it will try to automatically detect the format and convert it to datetime type.
+   - Supported time formats can refer to `github.com/jinzhu/now`'s [TimeFormats](https://github.com/jinzhu/now/blob/f067b166b35a996b9ff5a0f610225e1458f23adc/main.go#L17-L27)
 4. Other types are not supported.
 4. Other types are not supported.
 
 
 ## CONVERT_TZ
 ## CONVERT_TZ

+ 2 - 1
docs/zh_CN/sqls/functions/transform_functions.md

@@ -16,7 +16,8 @@ cast(col,  "bigint")
 
 
 1. 如果参数为 datetime 类型,则直接返回原值。
 1. 如果参数为 datetime 类型,则直接返回原值。
 2. 如果参数为 bigint 或者 float 类型,则其数值会作为自 1970年1月1日0时起至今的毫秒值而转换为 datetime 类型。
 2. 如果参数为 bigint 或者 float 类型,则其数值会作为自 1970年1月1日0时起至今的毫秒值而转换为 datetime 类型。
-3. 如果参数为 string 类型,则会尝试自动识别格式并将其转换为 datetime类型。
+3. 如果参数为 string 类型,则会尝试自动识别格式并将其转换为 datetime 类型。
+   - 支持的时间格式可以参考 `github.com/jinzhu/now` 的 [TimeFormats](https://github.com/jinzhu/now/blob/f067b166b35a996b9ff5a0f610225e1458f23adc/main.go#L17-L27)
 4. 其他类型的参数均不支持转换。
 4. 其他类型的参数均不支持转换。
 
 
 ## CONVERT_TZ
 ## CONVERT_TZ