ColumnTypeInformation (hibernate-core JavaDocs)

All Known Subinterfaces:

ColumnInformation

All Known Implementing Classes:

Column, ExportableColumn
```
public interface ColumnTypeInformation
```
Provides access to information about existing table columns

Field Summary

Fields
Modifier and Type Field Description

static ColumnTypeInformation EMPTY

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`getColumnSize()`	The column size (length).
`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.

- Field Detail
  - EMPTY
```
static final ColumnTypeInformation EMPTY
```
- Method Detail
  - getNullable
```
TruthValue getNullable()
```
    Is the column nullable. The database is allowed to report unknown, hence the use of TruthValue
    
    Returns:
    
    nullability.
  - getTypeCode
```
int getTypeCode()
```
    The JDBC type-code.
    
    Returns:
    
    JDBC type-code
  - getTypeName
```
String getTypeName()
```
    The database specific type name.
    
    Returns:
    
    Type name
  - getColumnSize
```
int getColumnSize()
```
    The column size (length).
    
    Returns:
    
    The column length
  - getDecimalDigits
```
int getDecimalDigits()
```
    The precision, for numeric types
    
    Returns:
    
    The numeric precision