Modifier and Type	Class and Description
private class	RowSetMetaDataImpl.ColInfo `ColInfo` objects are used to store information about each column in the `RowSet` object for which this `RowSetMetaDataImpl` object was created.

Modifier and Type	Field and Description
private int	colCount The number of columns in the `RowSet` object that created this `RowSetMetaDataImpl` object.
private RowSetMetaDataImpl.ColInfo[]	colInfo An array of `ColInfo` objects used to store information about each column in the `RowSet` object for which this `RowSetMetaDataImpl` object was created.
pack-priv static final long	serialVersionUID

Access	Constructor and Description
public	RowSetMetaDataImpl() Constructs a `RowSetMetaDataImpl` object.

Method Summary

Modifier and Type	Method and Description
private void	checkColRange(int col) Checks to see that the designated column is a valid column number for the `RowSet` object for which this `RowSetMetaDataImpl` was created.
private void	checkColType(int an `int` defined in the class `java.sql.Types` SQLType) Checks to see that the given SQL type is a valid column type and throws an `SQLException` object if it is not.
public String	Returns: the catalog name of the column's table or an empty `String` if no catalog name is available getCatalogName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getCatalogName. Retrieves the catalog name of the table from which the value in the designated column was derived.
public String	Returns: the fully-qualified name of the class in the Java programming language that would be used by the method `RowSet.getObject` to retrieve the value in the specified column. This is the class name used for custom mapping when there is a custom mapping. getColumnClassName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getColumnClassName. Retrieves the fully-qualified name of the class in the Java programming language to which a value in the designated column will be mapped.
public int	Returns: the number of columns getColumnCount() Implements java.sql.ResultSetMetaData.getColumnCount. Retrieves the number of columns in the `RowSet` object for which this `RowSetMetaDataImpl` object was created.
public int	Returns: the maximum number of chars that can be displayed in the designated column getColumnDisplaySize(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getColumnDisplaySize. Retrieves the normal maximum width in chars of the designated column.
public String	Returns: the suggested column name to use in printouts and displays getColumnLabel(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getColumnLabel. Retrieves the suggested column title for the designated column for use in printouts and displays.
public String	Returns: the column name of the designated column getColumnName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getColumnName. Retrieves the name of the designated column.
public int	Returns: an `int` representing the SQL type of values stored in the designated column getColumnType(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getColumnType. Retrieves the type code (one of the `java.sql.Types` constants) for the SQL type of the value stored in the designated column.
public String	Returns: the type name used by the data source getColumnTypeName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getColumnTypeName. Retrieves the DBMS-specific type name for values stored in the designated column.
public int	Returns: the precision for values stored in the designated column getPrecision(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getPrecision. Retrieves the total number of digits for values stored in the designated column.
public int	Returns: the scale for values stored in the designated column getScale(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getScale. Retrieves the number of digits to the right of the decimal point for values stored in the designated column.
public String	Returns: the schema name or an empty `String` if no schema name is available getSchemaName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getSchemaName. Retrieves the schema name of the table from which the value in the designated column was derived.
public String	Returns: the table name or an empty `String` if no table name is available getTableName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.getTableName. Retrieves the name of the table from which the value in the designated column was derived.
public boolean	Returns: `true` if the column is automatically numbered; `false` otherwise isAutoIncrement(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isAutoIncrement. Retrieves whether a value stored in the designated column is automatically numbered, and thus readonly.
public boolean	Returns: `true` if the column name is case sensitive; `false` otherwise isCaseSensitive(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isCaseSensitive. Indicates whether the case of the designated column's name matters.
public boolean	Returns: `true` if a value in the designated column is a cash value; `false` otherwise isCurrency(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isCurrency. Indicates whether a value stored in the designated column is a cash value.
public boolean	Returns: `true` if a write operation on the designated column will definitely succeed; `false` otherwise isDefinitelyWritable(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isDefinitelyWritable. Indicates whether a write operation on the designated column will definitely succeed.
public int	Returns: a constant from the `ResultSetMetaData` interface; either `columnNoNulls`, `columnNullable`, or `columnNullableUnknown` isNullable(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isNullable. Retrieves a constant indicating whether it is possible to store a `NULL` value in the designated column.
public boolean	Returns: `true` if this `RowSet` object is read-Only and thus not updatable; `false` otherwise isReadOnly(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isReadOnly. Indicates whether the designated column is definitely not writable, thus readonly.
public boolean	Returns: `true` if a value in the designated column can be used in a `WHERE` clause; `false` otherwise isSearchable(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isSearchable. Indicates whether a value stored in the designated column can be used in a `WHERE` clause.
public boolean	Returns: `true` if a value in the designated column is a signed number; `false` otherwise isSigned(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isSigned. Indicates whether a value stored in the designated column is a signed number.
public boolean	Returns: true if this implements the interface or directly or indirectly wraps an object that does. isWrapperFor(Class<?> a Class defining an interface. interfaces) Implements java.sql.Wrapper.isWrapperFor. Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does.
public boolean	Returns: `true` if a write operation on the designated column may will succeed; `false` otherwise isWritable(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex) Implements java.sql.ResultSetMetaData.isWritable. Indicates whether it is possible for a write operation on the designated column to succeed.
public void	setAutoIncrement(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns in the rowset, inclusive columnIndex, boolean `true` if the given column is automatically incremented; `false` otherwise property) Implements javax.sql.RowSetMetaData.setAutoIncrement. Sets whether the designated column is automatically numbered, thus read-only, to the given `boolean` value.
public void	setCaseSensitive(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns in the rowset, inclusive columnIndex, boolean `true` to indicate that the column name is case sensitive; `false` otherwise property) Implements javax.sql.RowSetMetaData.setCaseSensitive. Sets whether the name of the designated column is case sensitive to the given `boolean`.
public void	setCatalogName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, String the column's table's catalog name; if the catalogName is `null`, an empty `String` is set catalogName) Implements javax.sql.RowSetMetaData.setCatalogName. Sets the catalog name of the table from which the designated column was derived to catalogName.
public void	setColumnCount(int an `int` giving the number of columns in the `RowSet` object columnCount) Implements javax.sql.RowSetMetaData.setColumnCount. Sets to the given number the number of columns in the `RowSet` object for which this `RowSetMetaDataImpl` object was created.
public void	setColumnDisplaySize(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, int the maximum size of the column in chars; must be `0` or more size) Implements javax.sql.RowSetMetaData.setColumnDisplaySize. Sets the normal maximum number of chars in the designated column to the given number.
public void	setColumnLabel(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, String the column label to be used in printouts and displays; if the column label is `null`, an empty `String` is set label) Implements javax.sql.RowSetMetaData.setColumnLabel. Sets the suggested column label for use in printouts and displays, if any, to label.
public void	setColumnName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, String a `String` object indicating the column name; if the given name is `null`, an empty `String` is set columnName) Implements javax.sql.RowSetMetaData.setColumnName. Sets the column name of the designated column to the given name.
public void	setColumnType(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, int the designated column's SQL type, which must be one of the constants in the class `java.sql.Types` SQLType) Implements javax.sql.RowSetMetaData.setColumnType. Sets the SQL type code for values stored in the designated column to the given type code from the class `java.sql.Types`.
public void	setColumnTypeName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, String the data source-specific type name; if typeName is `null`, an empty `String` is set typeName) Implements javax.sql.RowSetMetaData.setColumnTypeName. Sets the type name used by the data source for values stored in the designated column to the given type name.
public void	setCurrency(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive between `1` and the number of columns, inclusive columnIndex, boolean true if the value is a cash value; false otherwise. property) Implements javax.sql.RowSetMetaData.setCurrency. Sets whether a value stored in the designated column is a cash value to the given `boolean`.
public void	setNullable(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, int one of the following `ResultSetMetaData` constants: `columnNoNulls`, `columnNullable`, or `columnNullableUnknown` property) Implements javax.sql.RowSetMetaData.setNullable. Sets whether a value stored in the designated column can be set to `NULL` to the given constant from the interface `ResultSetMetaData`.
public void	setPrecision(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, int the total number of decimal digits; must be `0` or more precision) Implements javax.sql.RowSetMetaData.setPrecision. Sets the total number of decimal digits in a value stored in the designated column to the given number.
public void	setScale(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, int the number of digits to the right of the decimal point; must be zero or greater scale) Implements javax.sql.RowSetMetaData.setScale. Sets the number of digits to the right of the decimal point in a value stored in the designated column to the given number.
public void	setSchemaName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, String the schema name for the table from which a value in the designated column was derived; may be an empty `String` or `null` schemaName) Implements javax.sql.RowSetMetaData.setSchemaName. Sets the designated column's table's schema name, if any, to schemaName.
public void	setSearchable(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns in the rowset, inclusive columnIndex, boolean `true` to indicate that a column value can be used in a `WHERE` clause; `false` otherwise property) Implements javax.sql.RowSetMetaData.setSearchable. Sets whether a value stored in the designated column can be used in a `WHERE` clause to the given `boolean` value.
public void	setSigned(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, boolean `true` to indicate that a column value is a signed number; `false` to indicate that it is not property) Implements javax.sql.RowSetMetaData.setSigned. Sets whether a value stored in the designated column is a signed number to the given `boolean`.
public void	setTableName(int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnIndex, String the column's table name; may be `null` or an empty string tableName) Implements javax.sql.RowSetMetaData.setTableName. Sets the name of the table from which the designated column was derived to the given table name.
public <T> T	Returns: an object that implements the interface. May be a proxy for the actual implementing object. unwrap(Class<T> A Class defining an interface that the result must implement. iface) Implements java.sql.Wrapper.unwrap. Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

colCount	back to summary
private int colCount The number of columns in the `RowSet` object that created this `RowSetMetaDataImpl` object.

colInfo	back to summary
private RowSetMetaDataImpl.ColInfo[] colInfo An array of `ColInfo` objects used to store information about each column in the `RowSet` object for which this `RowSetMetaDataImpl` object was created. The first `ColInfo` object in this array contains information about the first column in the `RowSet` object, the second element contains information about the second column, and so on.

serialVersionUID	back to summary
pack-priv static final long serialVersionUID

Constructor Detail

RowSetMetaDataImpl	back to summary
public RowSetMetaDataImpl() Constructs a `RowSetMetaDataImpl` object.

Method Detail

checkColRange back to summary

checkColRange	back to summary
private void checkColRange(int col) throws SQLException Checks to see that the designated column is a valid column number for the `RowSet` object for which this `RowSetMetaDataImpl` was created. To be valid, a column number must be greater than `0` and less than or equal to the number of columns in a row. Exceptions SQLException: with the message "Invalid column index" if the given column number is out of the range of valid column numbers for the `RowSet` object

private void checkColRange(int col) throws SQLException

Checks to see that the designated column is a valid column number for the RowSet object for which this RowSetMetaDataImpl was created. To be valid, a column number must be greater than 0 and less than or equal to the number of columns in a row.

Exceptions

SQLException:: with the message "Invalid column index" if the given column number is out of the range of valid column numbers for the RowSet object

checkColType back to summary

checkColType	back to summary
private void checkColType(int SQLType) throws SQLException Checks to see that the given SQL type is a valid column type and throws an `SQLException` object if it is not. To be valid, a SQL type must be one of the constant values in the `java.sql.Types` class. Parameters SQLType:int an `int` defined in the class `java.sql.Types` Exceptions SQLException: if the given `int` is not a constant defined in the class `java.sql.Types`

private void checkColType(int SQLType) throws SQLException

Checks to see that the given SQL type is a valid column type and throws an SQLException object if it is not. To be valid, a SQL type must be one of the constant values in the java.sql.Types class.

Parameters

SQLType:int: an int defined in the class java.sql.Types

Exceptions

SQLException:: if the given int is not a constant defined in the class java.sql.Types

getCatalogName back to summary

getCatalogName	back to summary
public String getCatalogName(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getCatalogName. Retrieves the catalog name of the table from which the value in the designated column was derived. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:String the catalog name of the column's table or an empty `String` if no catalog name is available Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public String getCatalogName(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getCatalogName.

Retrieves the catalog name of the table from which the value in the designated column was derived.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:String

the catalog name of the column's table or an empty String if no catalog name is available

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getColumnClassName back to summary

getColumnClassName	back to summary
public String getColumnClassName(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getColumnClassName. Retrieves the fully-qualified name of the class in the Java programming language to which a value in the designated column will be mapped. For example, if the value is an `int`, the class name returned by this method will be `java.lang.Integer`. If the value in the designated column has a custom mapping, this method returns the name of the class that implements `SQLData`. When the method `ResultSet.getObject` is called to retrieve a value from the designated column, it will create an instance of this class or one of its subclasses. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:String the fully-qualified name of the class in the Java programming language that would be used by the method `RowSet.getObject` to retrieve the value in the specified column. This is the class name used for custom mapping when there is a custom mapping. Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public String getColumnClassName(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getColumnClassName.

Retrieves the fully-qualified name of the class in the Java programming language to which a value in the designated column will be mapped. For example, if the value is an int, the class name returned by this method will be java.lang.Integer.

If the value in the designated column has a custom mapping, this method returns the name of the class that implements SQLData. When the method ResultSet.getObject is called to retrieve a value from the designated column, it will create an instance of this class or one of its subclasses.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:String

the fully-qualified name of the class in the Java programming language that would be used by the method RowSet.getObject to retrieve the value in the specified column. This is the class name used for custom mapping when there is a custom mapping.

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getColumnCount back to summary

getColumnCount	back to summary
public int getColumnCount() throws SQLException Implements java.sql.ResultSetMetaData.getColumnCount. Retrieves the number of columns in the `RowSet` object for which this `RowSetMetaDataImpl` object was created. Returns:int the number of columns Exceptions SQLException: if an error occurs determining the column count

public int getColumnCount() throws SQLException

Implements java.sql.ResultSetMetaData.getColumnCount.

Retrieves the number of columns in the RowSet object for which this RowSetMetaDataImpl object was created.

Returns:int

the number of columns

Exceptions

SQLException:: if an error occurs determining the column count

getColumnDisplaySize back to summary

getColumnDisplaySize	back to summary
public int getColumnDisplaySize(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getColumnDisplaySize. Retrieves the normal maximum width in chars of the designated column. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:int the maximum number of chars that can be displayed in the designated column Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public int getColumnDisplaySize(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getColumnDisplaySize.

Retrieves the normal maximum width in chars of the designated column.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:int

the maximum number of chars that can be displayed in the designated column

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getColumnLabel back to summary

getColumnLabel	back to summary
public String getColumnLabel(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getColumnLabel. Retrieves the suggested column title for the designated column for use in printouts and displays. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:String the suggested column name to use in printouts and displays Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public String getColumnLabel(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getColumnLabel.

Retrieves the suggested column title for the designated column for use in printouts and displays.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:String

the suggested column name to use in printouts and displays

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getColumnName back to summary

getColumnName	back to summary
public String getColumnName(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getColumnName. Retrieves the name of the designated column. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:String the column name of the designated column Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public String getColumnName(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getColumnName.

Retrieves the name of the designated column.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:String

the column name of the designated column

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getColumnType back to summary

getColumnType	back to summary
public int getColumnType(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getColumnType. Retrieves the type code (one of the `java.sql.Types` constants) for the SQL type of the value stored in the designated column. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:int an `int` representing the SQL type of values stored in the designated column Exceptions SQLException: if a database access error occurs or the given column number is out of bounds See Also `java.sql.Types`

public int getColumnType(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getColumnType.

Retrieves the type code (one of the java.sql.Types constants) for the SQL type of the value stored in the designated column.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:int

an int representing the SQL type of values stored in the designated column

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

See Also

java.sql.Types

getColumnTypeName back to summary

getColumnTypeName	back to summary
public String getColumnTypeName(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getColumnTypeName. Retrieves the DBMS-specific type name for values stored in the designated column. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:String the type name used by the data source Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public String getColumnTypeName(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getColumnTypeName.

Retrieves the DBMS-specific type name for values stored in the designated column.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:String

the type name used by the data source

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getPrecision back to summary

getPrecision	back to summary
public int getPrecision(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getPrecision. Retrieves the total number of digits for values stored in the designated column. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:int the precision for values stored in the designated column Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public int getPrecision(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getPrecision.

Retrieves the total number of digits for values stored in the designated column.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:int

the precision for values stored in the designated column

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getScale back to summary

getScale	back to summary
public int getScale(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getScale. Retrieves the number of digits to the right of the decimal point for values stored in the designated column. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:int the scale for values stored in the designated column Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public int getScale(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getScale.

Retrieves the number of digits to the right of the decimal point for values stored in the designated column.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:int

the scale for values stored in the designated column

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getSchemaName back to summary

getSchemaName	back to summary
public String getSchemaName(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getSchemaName. Retrieves the schema name of the table from which the value in the designated column was derived. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:String the schema name or an empty `String` if no schema name is available Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public String getSchemaName(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getSchemaName.

Retrieves the schema name of the table from which the value in the designated column was derived.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:String

the schema name or an empty String if no schema name is available

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

getTableName back to summary

getTableName	back to summary
public String getTableName(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.getTableName. Retrieves the name of the table from which the value in the designated column was derived. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:String the table name or an empty `String` if no table name is available Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public String getTableName(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.getTableName.

Retrieves the name of the table from which the value in the designated column was derived.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:String

the table name or an empty String if no table name is available

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isAutoIncrement back to summary

isAutoIncrement	back to summary
public boolean isAutoIncrement(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isAutoIncrement. Retrieves whether a value stored in the designated column is automatically numbered, and thus readonly. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if the column is automatically numbered; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isAutoIncrement(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isAutoIncrement.

Retrieves whether a value stored in the designated column is automatically numbered, and thus readonly.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if the column is automatically numbered; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isCaseSensitive back to summary

isCaseSensitive	back to summary
public boolean isCaseSensitive(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isCaseSensitive. Indicates whether the case of the designated column's name matters. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if the column name is case sensitive; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isCaseSensitive(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isCaseSensitive.

Indicates whether the case of the designated column's name matters.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if the column name is case sensitive; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isCurrency back to summary

isCurrency	back to summary
public boolean isCurrency(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isCurrency. Indicates whether a value stored in the designated column is a cash value. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if a value in the designated column is a cash value; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isCurrency(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isCurrency.

Indicates whether a value stored in the designated column is a cash value.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if a value in the designated column is a cash value; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isDefinitelyWritable back to summary

isDefinitelyWritable	back to summary
public boolean isDefinitelyWritable(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isDefinitelyWritable. Indicates whether a write operation on the designated column will definitely succeed. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if a write operation on the designated column will definitely succeed; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isDefinitelyWritable(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isDefinitelyWritable.

Indicates whether a write operation on the designated column will definitely succeed.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if a write operation on the designated column will definitely succeed; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isNullable back to summary

isNullable	back to summary
public int isNullable(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isNullable. Retrieves a constant indicating whether it is possible to store a `NULL` value in the designated column. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:int a constant from the `ResultSetMetaData` interface; either `columnNoNulls`, `columnNullable`, or `columnNullableUnknown` Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public int isNullable(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isNullable.

Retrieves a constant indicating whether it is possible to store a NULL value in the designated column.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:int

a constant from the ResultSetMetaData interface; either columnNoNulls, columnNullable, or columnNullableUnknown

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isReadOnly back to summary

isReadOnly	back to summary
public boolean isReadOnly(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isReadOnly. Indicates whether the designated column is definitely not writable, thus readonly. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if this `RowSet` object is read-Only and thus not updatable; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isReadOnly(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isReadOnly.

Indicates whether the designated column is definitely not writable, thus readonly.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if this RowSet object is read-Only and thus not updatable; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isSearchable back to summary

isSearchable	back to summary
public boolean isSearchable(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isSearchable. Indicates whether a value stored in the designated column can be used in a `WHERE` clause. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if a value in the designated column can be used in a `WHERE` clause; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isSearchable(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isSearchable.

Indicates whether a value stored in the designated column can be used in a WHERE clause.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if a value in the designated column can be used in a WHERE clause; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isSigned back to summary

isSigned	back to summary
public boolean isSigned(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isSigned. Indicates whether a value stored in the designated column is a signed number. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if a value in the designated column is a signed number; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isSigned(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isSigned.

Indicates whether a value stored in the designated column is a signed number.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if a value in the designated column is a signed number; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

isWrapperFor back to summary

isWrapperFor	back to summary
public boolean isWrapperFor(Class<?> interfaces) throws SQLException Implements java.sql.Wrapper.isWrapperFor. Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does. Returns false otherwise. If this implements the interface then return true, else if this is a wrapper then return the result of recursively calling `isWrapperFor` on the wrapped object. If this does not implement the interface and is not a wrapper, return false. This method should be implemented as a low-cost operation compared to `unwrap` so that callers can use this method to avoid expensive `unwrap` calls that may fail. If this method returns true then calling `unwrap` with the same argument should succeed. Parameters interfaces:Class<?> a Class defining an interface. Returns:boolean true if this implements the interface or directly or indirectly wraps an object that does. Exceptions SQLException: if an error occurs while determining whether this is a wrapper for an object with the given interface. Since 1.6

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

Implements java.sql.Wrapper.isWrapperFor.

Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does. Returns false otherwise. If this implements the interface then return true, else if this is a wrapper then return the result of recursively calling isWrapperFor on the wrapped object. If this does not implement the interface and is not a wrapper, return false. This method should be implemented as a low-cost operation compared to unwrap so that callers can use this method to avoid expensive unwrap calls that may fail. If this method returns true then calling unwrap with the same argument should succeed.

Parameters

interfaces:Class<?>: a Class defining an interface.

Returns:boolean

true if this implements the interface or directly or indirectly wraps an object that does.

Exceptions

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

Since

1.6

isWritable back to summary

isWritable	back to summary
public boolean isWritable(int columnIndex) throws SQLException Implements java.sql.ResultSetMetaData.isWritable. Indicates whether it is possible for a write operation on the designated column to succeed. A return value of `true` means that a write operation may or may not succeed. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive Returns:boolean `true` if a write operation on the designated column may will succeed; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public boolean isWritable(int columnIndex) throws SQLException

Implements java.sql.ResultSetMetaData.isWritable.

Indicates whether it is possible for a write operation on the designated column to succeed. A return value of true means that a write operation may or may not succeed.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive

Returns:boolean

true if a write operation on the designated column may will succeed; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setAutoIncrement back to summary

setAutoIncrement	back to summary
public void setAutoIncrement(int columnIndex, boolean property) throws SQLException Implements javax.sql.RowSetMetaData.setAutoIncrement. Sets whether the designated column is automatically numbered, thus read-only, to the given `boolean` value. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns in the rowset, inclusive property:boolean `true` if the given column is automatically incremented; `false` otherwise Exceptions SQLException: if a database access error occurs or the given index is out of bounds

public void setAutoIncrement(int columnIndex, boolean property) throws SQLException

Implements javax.sql.RowSetMetaData.setAutoIncrement.

Sets whether the designated column is automatically numbered, thus read-only, to the given boolean value.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns in the rowset, inclusive
property:boolean: true if the given column is automatically incremented; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given index is out of bounds

setCaseSensitive back to summary

setCaseSensitive	back to summary
public void setCaseSensitive(int columnIndex, boolean property) throws SQLException Implements javax.sql.RowSetMetaData.setCaseSensitive. Sets whether the name of the designated column is case sensitive to the given `boolean`. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns in the rowset, inclusive property:boolean `true` to indicate that the column name is case sensitive; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setCaseSensitive(int columnIndex, boolean property) throws SQLException

Implements javax.sql.RowSetMetaData.setCaseSensitive.

Sets whether the name of the designated column is case sensitive to the given boolean.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns in the rowset, inclusive
property:boolean: true to indicate that the column name is case sensitive; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setCatalogName back to summary

setCatalogName	back to summary
public void setCatalogName(int columnIndex, String catalogName) throws SQLException Implements javax.sql.RowSetMetaData.setCatalogName. Sets the catalog name of the table from which the designated column was derived to catalogName. If catalogName is `null`, the catalog name is set to an empty string. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive catalogName:String the column's table's catalog name; if the catalogName is `null`, an empty `String` is set Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setCatalogName(int columnIndex, String catalogName) throws SQLException

Implements javax.sql.RowSetMetaData.setCatalogName.

Sets the catalog name of the table from which the designated column was derived to catalogName. If catalogName is null, the catalog name is set to an empty string.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
catalogName:String: the column's table's catalog name; if the catalogName is null, an empty String is set

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setColumnCount back to summary

setColumnCount	back to summary
public void setColumnCount(int columnCount) throws SQLException Implements javax.sql.RowSetMetaData.setColumnCount. Sets to the given number the number of columns in the `RowSet` object for which this `RowSetMetaDataImpl` object was created. Parameters columnCount:int an `int` giving the number of columns in the `RowSet` object Exceptions SQLException: if the given number is equal to or less than zero

public void setColumnCount(int columnCount) throws SQLException

Implements javax.sql.RowSetMetaData.setColumnCount.

Sets to the given number the number of columns in the RowSet object for which this RowSetMetaDataImpl object was created.

Parameters

columnCount:int: an int giving the number of columns in the RowSet object

Exceptions

SQLException:: if the given number is equal to or less than zero

setColumnDisplaySize back to summary

setColumnDisplaySize	back to summary
public void setColumnDisplaySize(int columnIndex, int size) throws SQLException Implements javax.sql.RowSetMetaData.setColumnDisplaySize. Sets the normal maximum number of chars in the designated column to the given number. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive size:int the maximum size of the column in chars; must be `0` or more Exceptions SQLException: if a database access error occurs, the given column number is out of bounds, or size is less than `0`

public void setColumnDisplaySize(int columnIndex, int size) throws SQLException

Implements javax.sql.RowSetMetaData.setColumnDisplaySize.

Sets the normal maximum number of chars in the designated column to the given number.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
size:int: the maximum size of the column in chars; must be 0 or more

Exceptions

SQLException:: if a database access error occurs, the given column number is out of bounds, or size is less than 0

setColumnLabel back to summary

setColumnLabel	back to summary
public void setColumnLabel(int columnIndex, String label) throws SQLException Implements javax.sql.RowSetMetaData.setColumnLabel. Sets the suggested column label for use in printouts and displays, if any, to label. If label is `null`, the column label is set to an empty string (""). Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive label:String the column label to be used in printouts and displays; if the column label is `null`, an empty `String` is set Exceptions SQLException: if a database access error occurs or the given column index is out of bounds

public void setColumnLabel(int columnIndex, String label) throws SQLException

Implements javax.sql.RowSetMetaData.setColumnLabel.

Sets the suggested column label for use in printouts and displays, if any, to label. If label is null, the column label is set to an empty string ("").

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
label:String: the column label to be used in printouts and displays; if the column label is null, an empty String is set

Exceptions

SQLException:: if a database access error occurs or the given column index is out of bounds

setColumnName back to summary

setColumnName	back to summary
public void setColumnName(int columnIndex, String columnName) throws SQLException Implements javax.sql.RowSetMetaData.setColumnName. Sets the column name of the designated column to the given name. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive columnName:String a `String` object indicating the column name; if the given name is `null`, an empty `String` is set Exceptions SQLException: if a database access error occurs or the given column index is out of bounds

public void setColumnName(int columnIndex, String columnName) throws SQLException

Implements javax.sql.RowSetMetaData.setColumnName.

Sets the column name of the designated column to the given name.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
columnName:String: a String object indicating the column name; if the given name is null, an empty String is set

Exceptions

SQLException:: if a database access error occurs or the given column index is out of bounds

setColumnType back to summary

setColumnType	back to summary
public void setColumnType(int columnIndex, int SQLType) throws SQLException Implements javax.sql.RowSetMetaData.setColumnType. Sets the SQL type code for values stored in the designated column to the given type code from the class `java.sql.Types`. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive SQLType:int the designated column's SQL type, which must be one of the constants in the class `java.sql.Types` Exceptions SQLException: if a database access error occurs, the given column number is out of bounds, or the column type specified is not one of the constants in `java.sql.Types` See Also `java.sql.Types`

public void setColumnType(int columnIndex, int SQLType) throws SQLException

Implements javax.sql.RowSetMetaData.setColumnType.

Sets the SQL type code for values stored in the designated column to the given type code from the class java.sql.Types.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
SQLType:int: the designated column's SQL type, which must be one of the constants in the class java.sql.Types

Exceptions

SQLException:: if a database access error occurs, the given column number is out of bounds, or the column type specified is not one of the constants in java.sql.Types

See Also

java.sql.Types

setColumnTypeName back to summary

setColumnTypeName	back to summary
public void setColumnTypeName(int columnIndex, String typeName) throws SQLException Implements javax.sql.RowSetMetaData.setColumnTypeName. Sets the type name used by the data source for values stored in the designated column to the given type name. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive typeName:String the data source-specific type name; if typeName is `null`, an empty `String` is set Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setColumnTypeName(int columnIndex, String typeName) throws SQLException

Implements javax.sql.RowSetMetaData.setColumnTypeName.

Sets the type name used by the data source for values stored in the designated column to the given type name.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
typeName:String: the data source-specific type name; if typeName is null, an empty String is set

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setCurrency back to summary

setCurrency	back to summary
public void setCurrency(int columnIndex, boolean property) throws SQLException Implements javax.sql.RowSetMetaData.setCurrency. Sets whether a value stored in the designated column is a cash value to the given `boolean`. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive between `1` and the number of columns, inclusive property:boolean true if the value is a cash value; false otherwise. Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setCurrency(int columnIndex, boolean property) throws SQLException

Implements javax.sql.RowSetMetaData.setCurrency.

Sets whether a value stored in the designated column is a cash value to the given boolean.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive between 1 and the number of columns, inclusive
property:boolean: true if the value is a cash value; false otherwise.

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setNullable back to summary

setNullable	back to summary
public void setNullable(int columnIndex, int property) throws SQLException Implements javax.sql.RowSetMetaData.setNullable. Sets whether a value stored in the designated column can be set to `NULL` to the given constant from the interface `ResultSetMetaData`. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive property:int one of the following `ResultSetMetaData` constants: `columnNoNulls`, `columnNullable`, or `columnNullableUnknown` Exceptions SQLException: if a database access error occurs, the given column number is out of bounds, or the value supplied for the property parameter is not one of the following constants: `ResultSetMetaData.columnNoNulls`, `ResultSetMetaData.columnNullable`, or `ResultSetMetaData.columnNullableUnknown`

public void setNullable(int columnIndex, int property) throws SQLException

Implements javax.sql.RowSetMetaData.setNullable.

Sets whether a value stored in the designated column can be set to NULL to the given constant from the interface ResultSetMetaData.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
property:int: one of the following ResultSetMetaData constants: columnNoNulls, columnNullable, or columnNullableUnknown

Exceptions

SQLException:: if a database access error occurs, the given column number is out of bounds, or the value supplied for the property parameter is not one of the following constants: ResultSetMetaData.columnNoNulls, ResultSetMetaData.columnNullable, or ResultSetMetaData.columnNullableUnknown

setPrecision back to summary

setPrecision	back to summary
public void setPrecision(int columnIndex, int precision) throws SQLException Implements javax.sql.RowSetMetaData.setPrecision. Sets the total number of decimal digits in a value stored in the designated column to the given number. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive precision:int the total number of decimal digits; must be `0` or more Exceptions SQLException: if a database access error occurs, columnIndex is out of bounds, or precision is less than `0`

public void setPrecision(int columnIndex, int precision) throws SQLException

Implements javax.sql.RowSetMetaData.setPrecision.

Sets the total number of decimal digits in a value stored in the designated column to the given number.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
precision:int: the total number of decimal digits; must be 0 or more

Exceptions

SQLException:: if a database access error occurs, columnIndex is out of bounds, or precision is less than 0

setScale back to summary

setScale	back to summary
public void setScale(int columnIndex, int scale) throws SQLException Implements javax.sql.RowSetMetaData.setScale. Sets the number of digits to the right of the decimal point in a value stored in the designated column to the given number. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive scale:int the number of digits to the right of the decimal point; must be zero or greater Exceptions SQLException: if a database access error occurs, columnIndex is out of bounds, or scale is less than `0`

public void setScale(int columnIndex, int scale) throws SQLException

Implements javax.sql.RowSetMetaData.setScale.

Sets the number of digits to the right of the decimal point in a value stored in the designated column to the given number.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
scale:int: the number of digits to the right of the decimal point; must be zero or greater

Exceptions

SQLException:: if a database access error occurs, columnIndex is out of bounds, or scale is less than 0

setSchemaName back to summary

setSchemaName	back to summary
public void setSchemaName(int columnIndex, String schemaName) throws SQLException Implements javax.sql.RowSetMetaData.setSchemaName. Sets the designated column's table's schema name, if any, to schemaName. If schemaName is `null`, the schema name is set to an empty string (""). Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive schemaName:String the schema name for the table from which a value in the designated column was derived; may be an empty `String` or `null` Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setSchemaName(int columnIndex, String schemaName) throws SQLException

Implements javax.sql.RowSetMetaData.setSchemaName.

Sets the designated column's table's schema name, if any, to schemaName. If schemaName is null, the schema name is set to an empty string ("").

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
schemaName:String: the schema name for the table from which a value in the designated column was derived; may be an empty String or null

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setSearchable back to summary

setSearchable	back to summary
public void setSearchable(int columnIndex, boolean property) throws SQLException Implements javax.sql.RowSetMetaData.setSearchable. Sets whether a value stored in the designated column can be used in a `WHERE` clause to the given `boolean` value. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns in the rowset, inclusive property:boolean `true` to indicate that a column value can be used in a `WHERE` clause; `false` otherwise Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setSearchable(int columnIndex, boolean property) throws SQLException

Implements javax.sql.RowSetMetaData.setSearchable.

Sets whether a value stored in the designated column can be used in a WHERE clause to the given boolean value.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns in the rowset, inclusive
property:boolean: true to indicate that a column value can be used in a WHERE clause; false otherwise

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setSigned back to summary

setSigned	back to summary
public void setSigned(int columnIndex, boolean property) throws SQLException Implements javax.sql.RowSetMetaData.setSigned. Sets whether a value stored in the designated column is a signed number to the given `boolean`. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive property:boolean `true` to indicate that a column value is a signed number; `false` to indicate that it is not Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setSigned(int columnIndex, boolean property) throws SQLException

Implements javax.sql.RowSetMetaData.setSigned.

Sets whether a value stored in the designated column is a signed number to the given boolean.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
property:boolean: true to indicate that a column value is a signed number; false to indicate that it is not

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

setTableName back to summary

setTableName	back to summary
public void setTableName(int columnIndex, String tableName) throws SQLException Implements javax.sql.RowSetMetaData.setTableName. Sets the name of the table from which the designated column was derived to the given table name. Parameters columnIndex:int the first column is 1, the second is 2, and so on; must be between `1` and the number of columns, inclusive tableName:String the column's table name; may be `null` or an empty string Exceptions SQLException: if a database access error occurs or the given column number is out of bounds

public void setTableName(int columnIndex, String tableName) throws SQLException

Implements javax.sql.RowSetMetaData.setTableName.

Sets the name of the table from which the designated column was derived to the given table name.

Parameters

columnIndex:int: the first column is 1, the second is 2, and so on; must be between 1 and the number of columns, inclusive
tableName:String: the column's table name; may be null or an empty string

Exceptions

SQLException:: if a database access error occurs or the given column number is out of bounds

unwrap back to summary

unwrap	back to summary
public <T> T unwrap(Class<T> iface) throws SQLException Implements java.sql.Wrapper.unwrap. Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy. The result may be either the object found to implement the interface or a proxy for that object. If the receiver implements the interface then that is the object. If the receiver is a wrapper and the wrapped object implements the interface then that is the object. Otherwise the object is the result of calling `unwrap` recursively on the wrapped object. If the receiver is not a wrapper and does not implement the interface, then an `SQLException` is thrown. Parameters iface:Class<T> A Class defining an interface that the result must implement. Returns:T an object that implements the interface. May be a proxy for the actual implementing object. Exceptions SQLException: If no object found that implements the interface Since 1.6

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

Implements java.sql.Wrapper.unwrap.

Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy. The result may be either the object found to implement the interface or a proxy for that object. If the receiver implements the interface then that is the object. If the receiver is a wrapper and the wrapped object implements the interface then that is the object. Otherwise the object is the result of calling unwrap recursively on the wrapped object. If the receiver is not a wrapper and does not implement the interface, then an SQLException is thrown.

Parameters

iface:Class<T>: A Class defining an interface that the result must implement.

Returns:T

an object that implements the interface. May be a proxy for the actual implementing object.

Exceptions

SQLException:: If no object found that implements the interface

Since

1.6

javax.sql.rowset back to summary

private Class RowSetMetaDataImpl.ColInfo

Class Inheritance

extends Object
implements Serializable

java.lang.Object
javax.sql.rowset.RowSetMetaDataImpl.ColInfo

All Implemented Interfaces

java.io.Serializable

ColInfo objects are used to store information about each column in the RowSet object for which this RowSetMetaDataImpl object was created.

Field Summary

Modifier and Type	Field and Description
public boolean	autoIncrement The field that indicates whether the value in this column is a number that is incremented automatically, which makes the value read-only.
public boolean	caseSensitive The field that indicates whether the value in this column is case sensitive.
public String	catName The field that holds the catalog name for the table from which this column was derived.
public int	colPrecision The field that holds the precision of the value in this column.
public int	colScale The field that holds the scale (number of digits to the right of the decimal point) of the value in this column.
public int	colType The field that holds the type code from the class `java.sql.Types` indicating the type of the value in this column.
public String	colTypeName The field that holds the type name used by this particular data source for the value stored in this column.
public int	columnDisplaySize The field that indicates the normal maximum width in characters for this column.
public String	columnLabel The field that holds the suggested column title for this column, to be used in printing and displays.
public String	columnName The field that holds the name of this column.
public boolean	currency The field that indicates whether the value in this column is a cash value `true` means that it is; `false` that it is not.
public int	nullable The field that indicates whether the value in this column is nullable.
public boolean	readOnly The field that holds the updatability boolean per column of a RowSet
public String	schemaName The field that holds the schema name for the table from which this column was derived.
public boolean	searchable The field that indicates whether the value in this column can be used in a `WHERE` clause.
pack-priv static final long	serialVersionUID
public boolean	signed The field that indicates whether the value in this column is a signed number.
public String	tableName The field that holds the name of the table from which this column was derived.
public boolean	writable The field that hold the writable boolean per column of a RowSet

Constructor Summary

Access	Constructor and Description
private	ColInfo()

Method Summary

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

autoIncrement	back to summary
public boolean autoIncrement The field that indicates whether the value in this column is a number that is incremented automatically, which makes the value read-only. `true` means that the value in this column is automatically numbered; `false` means that it is not.

caseSensitive	back to summary
public boolean caseSensitive The field that indicates whether the value in this column is case sensitive. `true` means that it is; `false` that it is not.

catName	back to summary
public String catName The field that holds the catalog name for the table from which this column was derived. If the DBMS does not support catalogs, the value may be the empty string.

colPrecision	back to summary
public int colPrecision The field that holds the precision of the value in this column. For number types, the precision is the total number of decimal digits; for character types, it is the maximum number of characters; for binary types, it is the maximum length in bytes.

colScale	back to summary
public int colScale The field that holds the scale (number of digits to the right of the decimal point) of the value in this column.

colType	back to summary
public int colType The field that holds the type code from the class `java.sql.Types` indicating the type of the value in this column.

colTypeName	back to summary
public String colTypeName The field that holds the type name used by this particular data source for the value stored in this column.

columnDisplaySize	back to summary
public int columnDisplaySize The field that indicates the normal maximum width in characters for this column.

columnLabel	back to summary
public String columnLabel The field that holds the suggested column title for this column, to be used in printing and displays.

columnName	back to summary
public String columnName The field that holds the name of this column.

currency	back to summary
public boolean currency The field that indicates whether the value in this column is a cash value `true` means that it is; `false` that it is not.

nullable	back to summary
public int nullable The field that indicates whether the value in this column is nullable. The possible values are the `ResultSet` constants `columnNoNulls`, `columnNullable`, and `columnNullableUnknown`.

readOnly	back to summary
public boolean readOnly The field that holds the updatability boolean per column of a RowSet

schemaName	back to summary
public String schemaName The field that holds the schema name for the table from which this column was derived.

searchable	back to summary
public boolean searchable The field that indicates whether the value in this column can be used in a `WHERE` clause. `true` means that it can; `false` that it cannot.

serialVersionUID	back to summary
pack-priv static final long serialVersionUID

signed	back to summary
public boolean signed The field that indicates whether the value in this column is a signed number. `true` means that it is; `false` that it is not.

tableName	back to summary
public String tableName The field that holds the name of the table from which this column was derived. This value may be the empty string if there is no table name, such as when this column is produced by a join.

writable	back to summary
public boolean writable The field that hold the writable boolean per column of a RowSet

Constructor Detail

ColInfo	back to summary
private ColInfo()

public Class RowSetMetaDataImpl

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail

private Class RowSetMetaDataImpl.ColInfo

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail