Field Detail

• columnNoNulls

  static final int columnNoNulls

  The constant indicating that a column does not allow NULL values.

  See Also:

  Constant Field Values

• columnNullable

  static final int columnNullable

  The constant indicating that a column allows NULL values.

  See Also:

  Constant Field Values

• columnNullableUnknown

  static final int columnNullableUnknown

  The constant indicating that the nullability of a column's values is unknown.

  See Also:

  Constant Field Values

Method Detail

• getColumnCount

  int getColumnCount()
              throws SQLException

  Returns the number of columns in this ResultSet object.

  Returns:

  the number of columns

  Throws:

  SQLException - if a database access error occurs

• isAutoIncrement

  boolean isAutoIncrement​(int column)
                   throws SQLException

  Indicates whether the designated column is automatically numbered.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• isCaseSensitive

  boolean isCaseSensitive​(int column)
                   throws SQLException

  Indicates whether a column's case matters.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• isSearchable

  boolean isSearchable​(int column)
                throws SQLException

  Indicates whether the designated column can be used in a where clause.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• isCurrency

  boolean isCurrency​(int column)
              throws SQLException

  Indicates whether the designated column is a cash value.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• isNullable

  int isNullable​(int column)
          throws SQLException

  Indicates the nullability of values in the designated column.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  the nullability status of the given column; one of columnNoNulls, columnNullable or columnNullableUnknown

  Throws:

  SQLException - if a database access error occurs

• isSigned

  boolean isSigned​(int column)
            throws SQLException

  Indicates whether values in the designated column are signed numbers.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• getColumnDisplaySize

  int getColumnDisplaySize​(int column)
                    throws SQLException

  Indicates the designated column's normal maximum width in characters.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  the normal maximum number of characters allowed as the width of the designated column

  Throws:

  SQLException - if a database access error occurs

• getColumnLabel

  String getColumnLabel​(int column)
                 throws SQLException

  Gets the designated column's suggested title for use in printouts and displays. The suggested title is usually specified by the SQL AS clause. If a SQL AS is not specified, the value returned from getColumnLabel will be the same as the value returned by the getColumnName method.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  the suggested column title

  Throws:

  SQLException - if a database access error occurs

• getColumnName

  String getColumnName​(int column)
                throws SQLException

  Get the designated column's name.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  column name

  Throws:

  SQLException - if a database access error occurs

• getSchemaName

  String getSchemaName​(int column)
                throws SQLException

  Get the designated column's table's schema.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  schema name or "" if not applicable

  Throws:

  SQLException - if a database access error occurs

• getPrecision

  int getPrecision​(int column)
            throws SQLException

  Get the designated column's specified column size. For numeric data, this is the maximum precision. For character data, this is the length in characters. For datetime datatypes, this is the length in characters of the String representation (assuming the maximum allowed precision of the fractional seconds component). For binary data, this is the length in bytes. For the ROWID datatype, this is the length in bytes. 0 is returned for data types where the column size is not applicable.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  precision

  Throws:

  SQLException - if a database access error occurs

• getScale

  int getScale​(int column)
        throws SQLException

  Gets the designated column's number of digits to right of the decimal point. 0 is returned for data types where the scale is not applicable.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  scale

  Throws:

  SQLException - if a database access error occurs

• getTableName

  String getTableName​(int column)
               throws SQLException

  Gets the designated column's table name.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  table name or "" if not applicable

  Throws:

  SQLException - if a database access error occurs

• getCatalogName

  String getCatalogName​(int column)
                 throws SQLException

  Gets the designated column's table's catalog name.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  the name of the catalog for the table in which the given column appears or "" if not applicable

  Throws:

  SQLException - if a database access error occurs

• getColumnType

  int getColumnType​(int column)
             throws SQLException

  Retrieves the designated column's SQL type.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  SQL type from java.sql.Types

  Throws:

  SQLException - if a database access error occurs

  See Also:

  Types

• getColumnTypeName

  String getColumnTypeName​(int column)
                    throws SQLException

  Retrieves the designated column's database-specific type name.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  type name used by the database. If the column type is a user-defined type, then a fully-qualified type name is returned.

  Throws:

  SQLException - if a database access error occurs

• isReadOnly

  boolean isReadOnly​(int column)
              throws SQLException

  Indicates whether the designated column is definitely not writable.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• isWritable

  boolean isWritable​(int column)
              throws SQLException

  Indicates whether it is possible for a write on the designated column to succeed.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• isDefinitelyWritable

  boolean isDefinitelyWritable​(int column)
                        throws SQLException

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

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

  true if so; false otherwise

  Throws:

  SQLException - if a database access error occurs

• getColumnClassName

  String getColumnClassName​(int column)
                     throws SQLException

  Returns the fully-qualified name of the Java class whose instances are manufactured if the method ResultSet.getObject is called to retrieve a value from the column. ResultSet.getObject may return a subclass of the class returned by this method.

  Parameters:

  column - the first column is 1, the second is 2, ...

  Returns:

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

  Throws:

  SQLException - if a database access error occurs

  Since:

  1.2