ModifyColumnDefinitionSegment (sharding-core 3.1.0 API)

java.lang.Object
- io.shardingsphere.core.parsing.antlr.sql.segment.definition.column.alter.ModifyColumnDefinitionSegment

public final class ModifyColumnDefinitionSegment
extends Object
implements SQLSegment

Modify column definition segment.

构造器
构造器和说明
`ModifyColumnDefinitionSegment()`

所有方法实例方法具体方法
限定符和类型	方法和说明
`com.google.common.base.Optional<ColumnPositionSegment>`	`getColumnPosition()` Get column position.
`com.google.common.base.Optional<String>`	`getOldColumnName()` Get old column name.

构造器详细资料
- ModifyColumnDefinitionSegment
```
public ModifyColumnDefinitionSegment()
```

public com.google.common.base.Optional<String> getOldColumnName()

Get old column name.

public com.google.common.base.Optional<ColumnPositionSegment> getColumnPosition()

Get column position.

类 ModifyColumnDefinitionSegment