Package org.mariadb.jdbc

Class MariaDbParameterMetaData

java.lang.Object

org.mariadb.jdbc.MariaDbParameterMetaData

All Implemented Interfaces:

ParameterMetaData, Wrapper

public class MariaDbParameterMetaData
extends Object
implements ParameterMetaData

Very basic info about the parameterized query, only reliable method is getParameterCount().

Field Summary

Fields

Modifier and Type	Field	Description
private final ColumnInformation[]	parametersInformation

Fields inherited from interface java.sql.ParameterMetaData

parameterModeIn, parameterModeInOut, parameterModeOut, parameterModeUnknown, parameterNoNulls, parameterNullable, parameterNullableUnknown

Constructor Summary

Constructors

Constructor	Description
MariaDbParameterMetaData(ColumnInformation[] parametersInformation)

Method Summary

Modifier and Type	Method	Description
private void	checkAvailable()
String	getParameterClassName(int param)
int	getParameterCount()
private ColumnInformation	getParameterInformation(int param)
int	getParameterMode(int param)
int	getParameterType(int param)	Parameter type are not sent by server.
String	getParameterTypeName(int param)
int	getPrecision(int param)
int	getScale(int param)
int	isNullable(int param)
boolean	isSigned(int param)
boolean	isWrapperFor(Class<?> iface)
<T> T	unwrap(Class<T> iface)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

parametersInformation

private final ColumnInformation[] parametersInformation

Constructor Details

MariaDbParameterMetaData

public MariaDbParameterMetaData(ColumnInformation[] parametersInformation)

Method Details

checkAvailable

private void checkAvailable()
                     throws SQLException

Throws:

SQLException

getParameterCount

public int getParameterCount()
                      throws SQLException

Specified by:

getParameterCount in interface ParameterMetaData

Throws:

SQLException

getParameterInformation

private ColumnInformation getParameterInformation(int param)
                                           throws SQLException

Throws:

SQLException

isNullable

public int isNullable(int param)
               throws SQLException

Specified by:

isNullable in interface ParameterMetaData

Throws:

SQLException

isSigned

public boolean isSigned(int param)
                 throws SQLException

Specified by:

isSigned in interface ParameterMetaData

Throws:

SQLException

getPrecision

public int getPrecision(int param)
                 throws SQLException

Specified by:

getPrecision in interface ParameterMetaData

Throws:

SQLException

getScale

public int getScale(int param)
             throws SQLException

Specified by:

getScale in interface ParameterMetaData

Throws:

SQLException

getParameterType

public int getParameterType(int param)
                     throws SQLException

Parameter type are not sent by server. See https://jira.mariadb.org/browse/CONJ-568 and https://jira.mariadb.org/browse/MDEV-15031

Specified by:

getParameterType in interface ParameterMetaData

Parameters:

param - parameter number

Returns:

SQL type from java.sql.Types

Throws:

SQLException - a feature not supported, since server doesn't sent the right information

getParameterTypeName

public String getParameterTypeName(int param)
                            throws SQLException

Specified by:

getParameterTypeName in interface ParameterMetaData

Throws:

SQLException

getParameterClassName

public String getParameterClassName(int param)
                             throws SQLException

Specified by:

getParameterClassName in interface ParameterMetaData

Throws:

SQLException

getParameterMode

public int getParameterMode(int param)

Specified by:

getParameterMode in interface ParameterMetaData

unwrap

public <T> T unwrap(Class<T> iface)
             throws SQLException

Specified by:

unwrap in interface Wrapper

Throws:

SQLException

isWrapperFor

public boolean isWrapperFor(Class<?> iface)
                     throws SQLException

Specified by:

isWrapperFor in interface Wrapper

Throws:

SQLException