Package org.postgresql.jdbc

Class PgParameterMetaData

java.lang.Object

org.postgresql.jdbc.PgParameterMetaData

All Implemented Interfaces:

java.sql.ParameterMetaData, java.sql.Wrapper

public class PgParameterMetaData
extends java.lang.Object
implements java.sql.ParameterMetaData

Field Summary

Fields

Modifier and Type	Field	Description
private BaseConnection	connection
private 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)
java.lang.String	getParameterClassName(int param)
int	getParameterCount()
int	getParameterMode(int param)	For now report all parameters as inputs.
int	getParameterType(int param)
java.lang.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(java.lang.Class<?> iface)
<T> T	unwrap(java.lang.Class<T> iface)

Methods inherited from class java.lang.Object

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

Field Detail

connection

private final BaseConnection connection

oids

private final int[] oids

Constructor Detail

PgParameterMetaData

public PgParameterMetaData(BaseConnection connection,
                           int[] oids)

Method Detail

getParameterClassName

public java.lang.String getParameterClassName(int param)
                                       throws java.sql.SQLException

Specified by:

getParameterClassName in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

getParameterCount

public int getParameterCount()

Specified by:

getParameterCount in interface java.sql.ParameterMetaData

getParameterMode

public int getParameterMode(int param)
                     throws java.sql.SQLException

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

Specified by:

getParameterMode in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

getParameterType

public int getParameterType(int param)
                     throws java.sql.SQLException

Specified by:

getParameterType in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

getParameterTypeName

public java.lang.String getParameterTypeName(int param)
                                      throws java.sql.SQLException

Specified by:

getParameterTypeName in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

getPrecision

public int getPrecision(int param)
                 throws java.sql.SQLException

Specified by:

getPrecision in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

getScale

public int getScale(int param)
             throws java.sql.SQLException

Specified by:

getScale in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

isNullable

public int isNullable(int param)
               throws java.sql.SQLException

Specified by:

isNullable in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

isSigned

public boolean isSigned(int param)
                 throws java.sql.SQLException

PostgreSQL doesn't have unsigned numbers

Specified by:

isSigned in interface java.sql.ParameterMetaData

Throws:

java.sql.SQLException

checkParamIndex

private void checkParamIndex(int param)
                      throws PSQLException

Throws:

PSQLException

isWrapperFor

public boolean isWrapperFor(java.lang.Class<?> iface)
                     throws java.sql.SQLException

Specified by:

isWrapperFor in interface java.sql.Wrapper

Throws:

java.sql.SQLException

unwrap

public <T> T unwrap(java.lang.Class<T> iface)
             throws java.sql.SQLException

Specified by:

unwrap in interface java.sql.Wrapper

Throws:

java.sql.SQLException