ColumnInformation (Hibernate Javadocs)

All Superinterfaces:

ColumnTypeInformation

All Known Implementing Classes:

ColumnInformationImpl
```
public interface ColumnInformation
extends ColumnTypeInformation
```
Provides access to information about existing table columns

Field Summary
- Fields inherited from interface org.hibernate.tool.schema.extract.spi.ColumnTypeInformation
  EMPTY

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Identifier`	`getColumnIdentifier()`	The simple (not qualified) column name.
`int`	`getColumnSize()`	The column size (length).
`TableInformation`	`getContainingTableInformation()`	Access to the containing table.
`int`	`getDecimalDigits()`	The precision, for numeric types
`TruthValue`	`getNullable()`	Is the column nullable.
`int`	`getTypeCode()`	The JDBC type-code.
`String`	`getTypeName()`	The database specific type name.

- Method Detail
  - getContainingTableInformation
```
TableInformation getContainingTableInformation()
```
    Access to the containing table.
    
    Returns:
    
    The containing table information
  - getColumnIdentifier
```
Identifier getColumnIdentifier()
```
    The simple (not qualified) column name.
    
    Returns:
    
    The column simple identifier.
  - getNullable
```
TruthValue getNullable()
```
    Is the column nullable. The database is allowed to report unknown, hence the use of TruthValue
    
    Specified by:
    
    getNullable in interface ColumnTypeInformation
    
    Returns:
    
    nullability.
  - getTypeCode
```
int getTypeCode()
```
    The JDBC type-code.
    
    Specified by:
    
    getTypeCode in interface ColumnTypeInformation
    
    Returns:
    
    JDBC type-code
  - getTypeName
```
String getTypeName()
```
    The database specific type name.
    
    Specified by:
    
    getTypeName in interface ColumnTypeInformation
    
    Returns:
    
    Type name
  - getColumnSize
```
int getColumnSize()
```
    The column size (length).
    
    Specified by:
    
    getColumnSize in interface ColumnTypeInformation
    
    Returns:
    
    The column length
  - getDecimalDigits
```
int getDecimalDigits()
```
    The precision, for numeric types
    
    Specified by:
    
    getDecimalDigits in interface ColumnTypeInformation
    
    Returns:
    
    The numeric precision