H2 Database Engine 2.3.232 · org.h2.jdbc.JdbcParameterMetaData

Modifier and Type	Field and Description
private final int	paramCount
private final ArrayList<? extends ParameterInterface>	parameters
private final JdbcPreparedStatement	prep

Access	Constructor and Description
pack-priv	JdbcParameterMetaData(Trace trace, JdbcPreparedStatement prep, CommandInterface command, int id)

Method Summary

Modifier and Type	Method and Description
private void	checkClosed()
private ParameterInterface	getParameter(int param)
public String	Returns: the Java class name getParameterClassName(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.getParameterClassName. Returns the Java class name of the parameter.
public int	Returns: the number getParameterCount() Implements java.sql.ParameterMetaData.getParameterCount. Returns the number of parameters.
public int	Returns: parameterModeIn getParameterMode(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.getParameterMode. Returns the parameter mode.
public int	Returns: the data type getParameterType(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.getParameterType. Returns the parameter type.
public String	Returns: the type name getParameterTypeName(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.getParameterTypeName. Returns the parameter type name.
public int	Returns: the precision getPrecision(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.getPrecision. Returns the parameter precision.
public int	Returns: the scale getScale(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.getScale. Returns the parameter scale.
public int	Returns: ResultSetMetaData.columnNullableUnknown isNullable(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.isNullable. Checks if this is nullable parameter.
public boolean	Returns: true isSigned(int the column index (1,2,...) param) Implements java.sql.ParameterMetaData.isSigned. Checks if this parameter is signed.
public boolean	Returns: whether or not the interface is assignable from this class isWrapperFor(Class<?> the class iface) Implements java.sql.Wrapper.isWrapperFor. Checks if unwrap can return an object of this class.
public String	toString() Overrides java.lang.Object.toString. INTERNAL
public <T> T	Returns: this unwrap(Class<T> the class iface) Implements java.sql.Wrapper.unwrap. Return an object of this class if possible.

paramCount	back to summary
private final int paramCount

parameters	back to summary
private final ArrayList<? extends ParameterInterface> parameters

prep	back to summary
private final JdbcPreparedStatement prep

Method Detail

checkClosed	back to summary
private void checkClosed()

getParameter	back to summary
private ParameterInterface getParameter(int param)

getParameterClassName	back to summary
public String getParameterClassName(int param) throws SQLException Implements java.sql.ParameterMetaData.getParameterClassName. Returns the Java class name of the parameter. "java.lang.String" is returned if the type is not known. Parameters param:int the column index (1,2,...) Returns:String the Java class name Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.getParameterClassName. if a database access error occurs

getParameterClassName

back to summary

public String getParameterClassName(int param) throws SQLException

Implements java.sql.ParameterMetaData.getParameterClassName.

Returns the Java class name of the parameter. "java.lang.String" is returned if the type is not known.

Parameters

param:int: the column index (1,2,...)

Returns:String

the Java class name

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.getParameterClassName.

if a database access error occurs

getParameterCount	back to summary
public int getParameterCount() throws SQLException Implements java.sql.ParameterMetaData.getParameterCount. Returns the number of parameters. Returns:int the number Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.getParameterCount. if a database access error occurs

getParameterCount

back to summary

public int getParameterCount() throws SQLException

Implements java.sql.ParameterMetaData.getParameterCount.

Returns the number of parameters.

Returns:int

the number

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.getParameterCount.

if a database access error occurs

getParameterMode	back to summary
public int getParameterMode(int param) throws SQLException Implements java.sql.ParameterMetaData.getParameterMode. Returns the parameter mode. Always returns parameterModeIn. Parameters param:int the column index (1,2,...) Returns:int parameterModeIn Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.getParameterMode. if a database access error occurs

getParameterMode

back to summary

public int getParameterMode(int param) throws SQLException

Implements java.sql.ParameterMetaData.getParameterMode.

Returns the parameter mode. Always returns parameterModeIn.

Parameters

param:int: the column index (1,2,...)

Returns:int

parameterModeIn

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.getParameterMode.

if a database access error occurs

getParameterType	back to summary
public int getParameterType(int param) throws SQLException Implements java.sql.ParameterMetaData.getParameterType. Returns the parameter type. java.sql.Types.VARCHAR is returned if the data type is not known. Parameters param:int the column index (1,2,...) Returns:int the data type Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.getParameterType. if a database access error occurs

getParameterType

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public int getParameterType(int param) throws SQLException

Implements java.sql.ParameterMetaData.getParameterType.

Returns the parameter type. java.sql.Types.VARCHAR is returned if the data type is not known.

Parameters

param:int: the column index (1,2,...)

Returns:int

the data type

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.getParameterType.

if a database access error occurs

getParameterTypeName	back to summary
public String getParameterTypeName(int param) throws SQLException Implements java.sql.ParameterMetaData.getParameterTypeName. Returns the parameter type name. "VARCHAR" is returned if the type is not known. Parameters param:int the column index (1,2,...) Returns:String the type name Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.getParameterTypeName. if a database access error occurs

getParameterTypeName

back to summary

public String getParameterTypeName(int param) throws SQLException

Implements java.sql.ParameterMetaData.getParameterTypeName.

Returns the parameter type name. "VARCHAR" is returned if the type is not known.

Parameters

param:int: the column index (1,2,...)

Returns:String

the type name

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.getParameterTypeName.

if a database access error occurs

getPrecision	back to summary
public int getPrecision(int param) throws SQLException Implements java.sql.ParameterMetaData.getPrecision. Returns the parameter precision. The value 0 is returned if the precision is not known. Parameters param:int the column index (1,2,...) Returns:int the precision Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.getPrecision. if a database access error occurs

getPrecision

back to summary

public int getPrecision(int param) throws SQLException

Implements java.sql.ParameterMetaData.getPrecision.

Returns the parameter precision. The value 0 is returned if the precision is not known.

Parameters

param:int: the column index (1,2,...)

Returns:int

the precision

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.getPrecision.

if a database access error occurs

getScale	back to summary
public int getScale(int param) throws SQLException Implements java.sql.ParameterMetaData.getScale. Returns the parameter scale. The value 0 is returned if the scale is not known. Parameters param:int the column index (1,2,...) Returns:int the scale Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.getScale. if a database access error occurs

getScale

back to summary

public int getScale(int param) throws SQLException

Implements java.sql.ParameterMetaData.getScale.

Returns the parameter scale. The value 0 is returned if the scale is not known.

Parameters

param:int: the column index (1,2,...)

Returns:int

the scale

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.getScale.

if a database access error occurs

isNullable	back to summary
public int isNullable(int param) throws SQLException Implements java.sql.ParameterMetaData.isNullable. Checks if this is nullable parameter. Returns ResultSetMetaData.columnNullableUnknown.. Parameters param:int the column index (1,2,...) Returns:int ResultSetMetaData.columnNullableUnknown Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.isNullable. if a database access error occurs

isNullable

back to summary

public int isNullable(int param) throws SQLException

Implements java.sql.ParameterMetaData.isNullable.

Checks if this is nullable parameter. Returns ResultSetMetaData.columnNullableUnknown..

Parameters

param:int: the column index (1,2,...)

Returns:int

ResultSetMetaData.columnNullableUnknown

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.isNullable.

if a database access error occurs

isSigned	back to summary
public boolean isSigned(int param) throws SQLException Implements java.sql.ParameterMetaData.isSigned. Checks if this parameter is signed. It always returns true. Parameters param:int the column index (1,2,...) Returns:boolean true Annotations @Override Exceptions SQLException: Doc from java.sql.ParameterMetaData.isSigned. if a database access error occurs

isSigned

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public boolean isSigned(int param) throws SQLException

Implements java.sql.ParameterMetaData.isSigned.

Checks if this parameter is signed. It always returns true.

Parameters

param:int: the column index (1,2,...)

Returns:boolean

true

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.ParameterMetaData.isSigned.

if a database access error occurs

isWrapperFor	back to summary
public boolean isWrapperFor(Class<?> iface) throws SQLException Implements java.sql.Wrapper.isWrapperFor. Checks if unwrap can return an object of this class. Parameters iface:Class<?> the class Returns:boolean whether or not the interface is assignable from this class Annotations @Override Exceptions SQLException: Doc from java.sql.Wrapper.isWrapperFor. if an error occurs while determining whether this is a wrapper for an object with the given interface.

isWrapperFor

back to summary

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

Implements java.sql.Wrapper.isWrapperFor.

Checks if unwrap can return an object of this class.

Parameters

iface:Class<?>: the class

Returns:boolean

whether or not the interface is assignable from this class

Annotations

@Override

Exceptions

SQLException:

Doc from java.sql.Wrapper.isWrapperFor.

if an error occurs while determining whether this is a wrapper for an object with the given interface.

toString	back to summary
public String toString() Overrides java.lang.Object.toString. INTERNAL Returns:String Doc from java.lang.Object.toString. a string representation of the object Annotations @Override

toString

back to summary

public String toString()

Overrides java.lang.Object.toString.

INTERNAL

Returns:String

Doc from java.lang.Object.toString.

a string representation of the object

Annotations

@Override

unwrap	back to summary
public <T> T unwrap(Class<T> iface) throws SQLException Implements java.sql.Wrapper.unwrap. Return an object of this class if possible. Parameters <T> Doc from java.sql.Wrapper.unwrap. the type of the class modeled by this Class object iface:Class<T> the class Returns:T this Annotations @Override @SuppressWarnings:unchecked Exceptions SQLException: Doc from java.sql.Wrapper.unwrap. If no object found that implements the interface

unwrap

back to summary

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

Implements java.sql.Wrapper.unwrap.

Return an object of this class if possible.

Parameters