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JavaTM 2 Platform Std. Ed. v1.4.2 |
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An object that can be used to get information about the types
and properties of the parameters in a PreparedStatement object.
| Field Summary | |
static int |
parameterModeIn
The constant indicating that the parameter's mode is IN. |
static int |
parameterModeInOut
The constant indicating that the parameter's mode is INOUT. |
static int |
parameterModeOut
The constant indicating that the parameter's mode is OUT. |
static int |
parameterModeUnknown
The constant indicating that the mode of the parameter is unknown. |
static int |
parameterNoNulls
The constant indicating that a parameter will not allow NULL values. |
static int |
parameterNullable
The constant indicating that a parameter will allow NULL values. |
static int |
parameterNullableUnknown
The constant indicating that the nullability of a parameter is unknown. |
| Method Summary | |
String |
getParameterClassName(int param)
Retrieves the fully-qualified name of the Java class whose instances should be passed to the method PreparedStatement.setObject. |
int |
getParameterCount()
Retrieves the number of parameters in the PreparedStatement
object for which this ParameterMetaData object contains
information. |
int |
getParameterMode(int param)
Retrieves the designated parameter's mode. |
int |
getParameterType(int param)
Retrieves the designated parameter's SQL type. |
String |
getParameterTypeName(int param)
Retrieves the designated parameter's database-specific type name. |
int |
getPrecision(int param)
Retrieves the designated parameter's number of decimal digits. |
int |
getScale(int param)
Retrieves the designated parameter's number of digits to right of the decimal point. |
int |
isNullable(int param)
Retrieves whether null values are allowed in the designated parameter. |
boolean |
isSigned(int param)
Retrieves whether values for the designated parameter can be signed numbers. |
| Field Detail |
public static final int parameterNoNulls
NULL values.
public static final int parameterNullable
NULL values.
public static final int parameterNullableUnknown
public static final int parameterModeUnknown
public static final int parameterModeIn
public static final int parameterModeInOut
public static final int parameterModeOut
| Method Detail |
public int getParameterCount()
throws SQLException
PreparedStatement
object for which this ParameterMetaData object contains
information.
SQLException - if a database access error occurs
public int isNullable(int param)
throws SQLException
param - the first parameter is 1, the second is 2, ...
ParameterMetaData.parameterNoNulls,
ParameterMetaData.parameterNullable, or
ParameterMetaData.parameterNullableUnknown
SQLException - if a database access error occurs
public boolean isSigned(int param)
throws SQLException
param - the first parameter is 1, the second is 2, ...
true if so; false otherwise
SQLException - if a database access error occurs
public int getPrecision(int param)
throws SQLException
param - the first parameter is 1, the second is 2, ...
SQLException - if a database access error occurs
public int getScale(int param)
throws SQLException
param - the first parameter is 1, the second is 2, ...
SQLException - if a database access error occurs
public int getParameterType(int param)
throws SQLException
param - the first parameter is 1, the second is 2, ...
java.sql.Types
SQLException - if a database access error occursTypes
public String getParameterTypeName(int param)
throws SQLException
param - the first parameter is 1, the second is 2, ...
SQLException - if a database access error occurs
public String getParameterClassName(int param)
throws SQLException
PreparedStatement.setObject.
param - the first parameter is 1, the second is 2, ...
PreparedStatement.setObject to set the value
in the specified parameter. This is the class name used
for custom mapping.
SQLException - if a database access error occurs
public int getParameterMode(int param)
throws SQLException
param - the first parameter is 1, the second is 2, ...
ParameterMetaData.parameterModeIn,
ParameterMetaData.parameterModeOut, or
ParameterMetaData.parameterModeInOut
ParameterMetaData.parameterModeUnknown.
SQLException - if a database access error occurs
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JavaTM 2 Platform Std. Ed. v1.4.2 |
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Copyright 2003 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.