Package org.postgresql.jdbc

Class PgParameterMetaData

java.lang.Object

org.postgresql.jdbc.PgParameterMetaData

All Implemented Interfaces:

ParameterMetaData, Wrapper

public class PgParameterMetaData
extends Object
implements ParameterMetaData

Field Summary

Fields

Modifier and Type	Field	Description
private final BaseConnection	connection
private final int[]	oids

Fields inherited from interface java.sql.ParameterMetaData

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

Constructor Summary

Constructors

Constructor	Description
PgParameterMetaData(BaseConnection connection, int[] oids)

Method Summary

Modifier and Type	Method	Description
private void	checkParamIndex(int param)
String	getParameterClassName(int param)
int	getParameterCount()
int	getParameterMode(int param)	For now report all parameters as inputs.
int	getParameterType(int param)
String	getParameterTypeName(int param)
int	getPrecision(int param)
int	getScale(int param)
int	isNullable(int param)
boolean	isSigned(int param)	PostgreSQL doesn't have unsigned numbers
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

connection

private final BaseConnection connection

oids

private final int[] oids

Constructor Details

PgParameterMetaData

public PgParameterMetaData(BaseConnection connection,
 int[] oids)

Method Details

getParameterClassName

public String getParameterClassName(int param)
                             throws SQLException

Specified by:

getParameterClassName in interface ParameterMetaData

Throws:

SQLException

getParameterCount

public int getParameterCount()

Specified by:

getParameterCount in interface ParameterMetaData

getParameterMode

public int getParameterMode(int param)
                     throws SQLException

For now report all parameters as inputs. CallableStatements may have one output, but ignore that for now.

Specified by:

getParameterMode in interface ParameterMetaData

Throws:

SQLException

getParameterType

public int getParameterType(int param)
                     throws SQLException

Specified by:

getParameterType in interface ParameterMetaData

Throws:

SQLException

getParameterTypeName

public String getParameterTypeName(int param)
                            throws SQLException

Specified by:

getParameterTypeName 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

isNullable

public int isNullable(int param)
               throws SQLException

Specified by:

isNullable in interface ParameterMetaData

Throws:

SQLException

isSigned

public boolean isSigned(int param)
                 throws SQLException

PostgreSQL doesn't have unsigned numbers

Specified by:

isSigned in interface ParameterMetaData

Throws:

SQLException

checkParamIndex

private void checkParamIndex(int param)
                      throws PSQLException

Throws:

PSQLException

isWrapperFor

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

Specified by:

isWrapperFor in interface Wrapper

Throws:

SQLException

unwrap

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

Specified by:

unwrap in interface Wrapper

Throws:

SQLException