Package SQLite.JDBC2z

Class JDBCResultSetMetaData

java.lang.Object
SQLite.JDBC2z.JDBCResultSetMetaData
All Implemented Interfaces:
ResultSetMetaData, Wrapper
public class JDBCResultSetMetaData
extends Object
implements ResultSetMetaData

  • Field Summary

    Fields inherited from interface java.sql.ResultSetMetaData

    columnNoNulls, columnNullable, columnNullableUnknown

  • Constructor Summary

    Constructors
    Constructor Description
    JDBCResultSetMetaData​(JDBCResultSet r)  

  • Method Summary

    Modifier and Type Method Description
    String getCatalogName​(int column)
    Returns the title of an indexed column's catalog.
    String getColumnClassName​(int column)
    Returns the fully-qualified type of the class that is produced when invoking ResultSet.getObject to recover this column's value.
    int getColumnCount()
    Returns number of columns contained in the associated result set.
    int getColumnDisplaySize​(int column)
    Returns the indexed column's standard maximum width, expressed in number of characters.
    String getColumnLabel​(int column)
    Returns a recommended title for the indexed column, to be used when the title needs to be displayed.
    String getColumnName​(int column)
    Returns the title of the indexed column.
    int getColumnType​(int column)
    Returns the type of the indexed column as SQL type code.
    String getColumnTypeName​(int column)
    Returns the type name of the indexed column.
    int getPrecision​(int column)
    Returns the decimal precision of the indexed column.
    int getScale​(int column)
    Returns the number of digits to the right of the decimal point of the indexed column.
    String getSchemaName​(int column)
    Returns the name of the indexed columns schema.
    String getTableName​(int column)
    Returns the title of the indexed columns table.
    boolean isAutoIncrement​(int column)
    Returns an indication of whether the indexed column is automatically incremented and is therefore read-only.
    boolean isCaseSensitive​(int column)
    Returns an indication of whether the case of the indexed column is important.
    boolean isCurrency​(int column)
    Returns whether the indexed column contains a monetary amount.
    boolean isDefinitelyWritable​(int column)
    Returns an indication of whether writing to the indexed column is guaranteed to be successful.
    int isNullable​(int column)
    Returns whether the indexed column is nullable.
    boolean isReadOnly​(int column)
    Returns an indication of whether writing to the indexed column is guaranteed to be unsuccessful.
    boolean isSearchable​(int column)
    Returns an indication of whether the indexed column is searchable.
    boolean isSigned​(int column)
    Returns an indication of whether the values contained in the indexed column are signed.
    boolean isWrapperFor​(Class iface)
    If the caller is a wrapper of the class or implements the given interface, the methods return false and vice versa.
    boolean isWritable​(int column)
    Returns an indication of whether writing to the indexed column is possible.
    <T> T unwrap​(Class<T> iface)
    Returns an object that implements the given interface.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • JDBCResultSetMetaData

      public JDBCResultSetMetaData​(JDBCResultSet r)

  • Method Details

    • getCatalogName

      public String getCatalogName​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the title of an indexed column's catalog.
      Specified by:
      getCatalogName in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the catalog title.
      Throws:
      SQLException - if there is a database error.

    • getColumnClassName

      public String getColumnClassName​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the fully-qualified type of the class that is produced when invoking ResultSet.getObject to recover this column's value.
      Specified by:
      getColumnClassName in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the fully-qualified class name.
      Throws:
      SQLException - if there is a database error.
      See Also:
      ResultSet.getObject(int)

    • getColumnCount

      public int getColumnCount() throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns number of columns contained in the associated result set.
      Specified by:
      getColumnCount in interface ResultSetMetaData
      Returns:
      the column count.
      Throws:
      SQLException - if there is a database error.

    • getColumnDisplaySize

      public int getColumnDisplaySize​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the indexed column's standard maximum width, expressed in number of characters.
      Specified by:
      getColumnDisplaySize in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the column's max width.
      Throws:
      SQLException - if there is a database error.

    • getColumnLabel

      public String getColumnLabel​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns a recommended title for the indexed column, to be used when the title needs to be displayed.
      Specified by:
      getColumnLabel in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the column's title.
      Throws:
      SQLException - if there is a database error.

    • getColumnName

      public String getColumnName​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the title of the indexed column.
      Specified by:
      getColumnName in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the column title.
      Throws:
      SQLException - if there is a database error.

    • getColumnType

      public int getColumnType​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the type of the indexed column as SQL type code.
      Specified by:
      getColumnType in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the column type code.
      Throws:
      SQLException - if there is a database error.
      See Also:
      Types

    • getColumnTypeName

      public String getColumnTypeName​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the type name of the indexed column.
      Specified by:
      getColumnTypeName in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the type name.
      Throws:
      SQLException - if there is a database error.

    • getPrecision

      public int getPrecision​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the decimal precision of the indexed column.
      Specified by:
      getPrecision in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the precision.
      Throws:
      SQLException - if there is a database error.

    • getScale

      public int getScale​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the number of digits to the right of the decimal point of the indexed column.
      Specified by:
      getScale in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      number of decimal places.
      Throws:
      SQLException - if there is a database error.

    • getSchemaName

      public String getSchemaName​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the name of the indexed columns schema.
      Specified by:
      getSchemaName in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the name of the columns schema.
      Throws:
      SQLException - if there is a database error.

    • getTableName

      public String getTableName​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns the title of the indexed columns table.
      Specified by:
      getTableName in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      the table title.
      Throws:
      SQLException - if there is a database error.

    • isAutoIncrement

      public boolean isAutoIncrement​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns an indication of whether the indexed column is automatically incremented and is therefore read-only.
      Specified by:
      isAutoIncrement in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if it is automatically numbered, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isCaseSensitive

      public boolean isCaseSensitive​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns an indication of whether the case of the indexed column is important.
      Specified by:
      isCaseSensitive in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if case matters, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isCurrency

      public boolean isCurrency​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns whether the indexed column contains a monetary amount.
      Specified by:
      isCurrency in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if it is a monetary value, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isDefinitelyWritable

      public boolean isDefinitelyWritable​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns an indication of whether writing to the indexed column is guaranteed to be successful.
      Specified by:
      isDefinitelyWritable in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if the write is guaranteed, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isNullable

      public int isNullable​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns whether the indexed column is nullable.
      Specified by:
      isNullable in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if it is nullable, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isReadOnly

      public boolean isReadOnly​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns an indication of whether writing to the indexed column is guaranteed to be unsuccessful.
      Specified by:
      isReadOnly in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if the column is read-only, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isSearchable

      public boolean isSearchable​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns an indication of whether the indexed column is searchable.
      Specified by:
      isSearchable in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if the indexed column is searchable, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isSigned

      public boolean isSigned​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns an indication of whether the values contained in the indexed column are signed.
      Specified by:
      isSigned in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if they are signed, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • isWritable

      public boolean isWritable​(int column) throws SQLException
      Description copied from interface: ResultSetMetaData
      Returns an indication of whether writing to the indexed column is possible.
      Specified by:
      isWritable in interface ResultSetMetaData
      Parameters:
      column - the column index, starting at 1.
      Returns:
      true if it is possible to write, false otherwise.
      Throws:
      SQLException - if there is a database error.

    • unwrap

      public <T> T unwrap​(Class<T> iface) throws SQLException
      Description copied from interface: Wrapper
      Returns an object that implements the given interface. If the caller is not a wrapper, a SQLException will be thrown.
      Specified by:
      unwrap in interface Wrapper
      Parameters:
      iface - - the class that defines the interface
      Returns:
      - an object that implements the interface
      Throws:
      SQLException - - if there is no object implementing the specific interface

    • isWrapperFor

      public boolean isWrapperFor​(Class iface) throws SQLException
      Description copied from interface: Wrapper
      If the caller is a wrapper of the class or implements the given interface, the methods return false and vice versa.
      Specified by:
      isWrapperFor in interface Wrapper
      Parameters:
      iface - - the class that defines the interface
      Returns:
      - true if the instance implements the interface
      Throws:
      SQLException - - when an error occurs when judges the object