diff --git a/docs/en/concept/schema-feature.md b/docs/en/concept/schema-feature.md index a34e123c122..ebc0cf68a46 100644 --- a/docs/en/concept/schema-feature.md +++ b/docs/en/concept/schema-feature.md @@ -6,25 +6,25 @@ Some NoSQL databases or message queue are not strongly limited schema, so the sc ## What type supported at now -| Data type | Value type in Java | Description | -|:----------|:----------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| string | `java.lang.String` | string | -| boolean | `java.lang.Boolean` |boolean | -| tinyint | `java.lang.Byte` | -128 to 127 regular. 0 to 255 unsigned*. Specify the maximum number of digits in parentheses. | -| smallint | `java.lang.Short` | -32768 to 32767 General. 0 to 65535 unsigned*. Specify the maximum number of digits in parentheses. | -| int | `java.lang.Integer` | All numbers from -2,147,483,648 to 2,147,483,647 are allowed. | -| bigint | `java.lang.Long` | All numbers between -9,223,372,036,854,775,808 and 9,223,372,036,854,775,807 are allowed. | -| float | `java.lang.Float` | Float-precision numeric data from -1.79E+308 to 1.79E+308. | -| double | `java.lang.Double` | Double precision floating point. Handle most decimals. | -| decimal | `java.math.BigDecimal` | DOUBLE type stored as a string, allowing a fixed decimal point. | -| null | `java.lang.Void` | null | -| bytes | `byte[]` | bytes. | -| date | `java.time.LocalDate` | Only the date is stored. From January 1, 0001 to December 31, 9999. | -| time | `java.time.LocalTime` | Only store time. Accuracy is 100 nanoseconds. | -| timestamp | `java.time.LocalDateTime` | Stores a unique number that is updated whenever a row is created or modified. timestamp is based on the internal clock and does not correspond to real time. There can only be one timestamp variable per table. | +| Data type | Value type in Java | Description | +|:----------|:---------------------------------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| +| string | `java.lang.String` | string | +| boolean | `java.lang.Boolean` | boolean | +| tinyint | `java.lang.Byte` | -128 to 127 regular. 0 to 255 unsigned*. Specify the maximum number of digits in parentheses. | +| smallint | `java.lang.Short` | -32768 to 32767 General. 0 to 65535 unsigned*. Specify the maximum number of digits in parentheses. | +| int | `java.lang.Integer` | All numbers from -2,147,483,648 to 2,147,483,647 are allowed. | +| bigint | `java.lang.Long` | All numbers between -9,223,372,036,854,775,808 and 9,223,372,036,854,775,807 are allowed. | +| float | `java.lang.Float` | Float-precision numeric data from -1.79E+308 to 1.79E+308. | +| double | `java.lang.Double` | Double precision floating point. Handle most decimals. | +| decimal | `java.math.BigDecimal` | DOUBLE type stored as a string, allowing a fixed decimal point. | +| null | `java.lang.Void` | null | +| bytes | `byte[]` | bytes. | +| date | `java.time.LocalDate` | Only the date is stored. From January 1, 0001 to December 31, 9999. | +| time | `java.time.LocalTime` | Only store time. Accuracy is 100 nanoseconds. | +| timestamp | `java.time.LocalDateTime` | Stores a unique number that is updated whenever a row is created or modified. timestamp is based on the internal clock and does not correspond to real time. There can only be one timestamp variable per table. | | row | `org.apache.seatunnel.api.table.type.SeaTunnelRow` | Row type,can be nested. | -| map | `java.util.Map` | A Map is an object that maps keys to values. The key type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `decimal` `date` `time` `timestamp` `null` , and the value type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `decimal` `date` `time` `timestamp` `null` `array` `map`. | -| array | `ValueType[]` | A array is a data type that represents a collection of elements. The element type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `array` `map`. | +| map | `java.util.Map` | A Map is an object that maps keys to values. The key type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `decimal` `date` `time` `timestamp` `null` , and the value type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `decimal` `date` `time` `timestamp` `null` `array` `map`. | +| array | `ValueType[]` | A array is a data type that represents a collection of elements. The element type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `array` `map`. | ## How to use schema