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net.sourceforge.jtds.jdbc
Class JtdsResultSetMetaData

java.lang.Object
  extended bynet.sourceforge.jtds.jdbc.JtdsResultSetMetaData
All Implemented Interfaces:
java.sql.ResultSetMetaData
public class JtdsResultSetMetaData
extends java.lang.Object
implements java.sql.ResultSetMetaData

jTDS implementation of the java.sql.ResultSetMetaData interface.

Implementation notes:

  1. New simple implementation required by the new column info structure.
  2. Unlike the equivalent in the older jTDS, this version is generic and does not need to know details of the TDS protocol.

Version:
$Id: JtdsResultSetMetaData.java,v 1.9.2.3 2009/12/30 08:45:34 ickzon Exp $
Author:
Mike Hutchinson

Field Summary
private  int columnCount
           
private  ColInfo[] columns
           
private  boolean useLOBs
           
 
Fields inherited from interface java.sql.ResultSetMetaData
columnNoNulls, columnNullable, columnNullableUnknown
 
Constructor Summary
(package private) JtdsResultSetMetaData(ColInfo[] columns, int columnCount, boolean useLOBs)
          Construct ResultSetMetaData object over the current ColInfo array.
 
Method Summary
 java.lang.String getCatalogName(int column)
           
(package private)  ColInfo getColumn(int column)
          Return the column descriptor given a column index.
 java.lang.String getColumnClassName(int column)
           
 int getColumnCount()
           
 int getColumnDisplaySize(int column)
           
 java.lang.String getColumnLabel(int column)
           
 java.lang.String getColumnName(int column)
           
 int getColumnType(int column)
           
 java.lang.String getColumnTypeName(int column)
           
 int getPrecision(int column)
           
 int getScale(int column)
           
 java.lang.String getSchemaName(int column)
           
 java.lang.String getTableName(int column)
           
 boolean isAutoIncrement(int column)
           
 boolean isCaseSensitive(int column)
           
 boolean isCurrency(int column)
           
 boolean isDefinitelyWritable(int column)
           
 int isNullable(int column)
           
 boolean isReadOnly(int column)
           
 boolean isSearchable(int column)
           
 boolean isSigned(int column)
           
 boolean isWritable(int column)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

columns

private final ColInfo[] columns

columnCount

private final int columnCount

useLOBs

private final boolean useLOBs
Constructor Detail

JtdsResultSetMetaData

JtdsResultSetMetaData(ColInfo[] columns,
                      int columnCount,
                      boolean useLOBs)
Construct ResultSetMetaData object over the current ColInfo array.

Parameters:
columns - The current ColInfo row descriptor array.
columnCount - The number of visible columns.
Method Detail

getColumn

ColInfo getColumn(int column)
            throws java.sql.SQLException
Return the column descriptor given a column index.

Parameters:
column - The column index (from 1 .. n).
Returns:
The column descriptor as a ColInfo.
Throws:
java.sql.SQLException

getColumnCount

public int getColumnCount()
                   throws java.sql.SQLException
Specified by:
getColumnCount in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getColumnDisplaySize

public int getColumnDisplaySize(int column)
                         throws java.sql.SQLException
Specified by:
getColumnDisplaySize in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getColumnType

public int getColumnType(int column)
                  throws java.sql.SQLException
Specified by:
getColumnType in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getPrecision

public int getPrecision(int column)
                 throws java.sql.SQLException
Specified by:
getPrecision in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getScale

public int getScale(int column)
             throws java.sql.SQLException
Specified by:
getScale in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isNullable

public int isNullable(int column)
               throws java.sql.SQLException
Specified by:
isNullable in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isAutoIncrement

public boolean isAutoIncrement(int column)
                        throws java.sql.SQLException
Specified by:
isAutoIncrement in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isCaseSensitive

public boolean isCaseSensitive(int column)
                        throws java.sql.SQLException
Specified by:
isCaseSensitive in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isCurrency

public boolean isCurrency(int column)
                   throws java.sql.SQLException
Specified by:
isCurrency in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isDefinitelyWritable

public boolean isDefinitelyWritable(int column)
                             throws java.sql.SQLException
Specified by:
isDefinitelyWritable in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isReadOnly

public boolean isReadOnly(int column)
                   throws java.sql.SQLException
Specified by:
isReadOnly in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isSearchable

public boolean isSearchable(int column)
                     throws java.sql.SQLException
Specified by:
isSearchable in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isSigned

public boolean isSigned(int column)
                 throws java.sql.SQLException
Specified by:
isSigned in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

isWritable

public boolean isWritable(int column)
                   throws java.sql.SQLException
Specified by:
isWritable in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getCatalogName

public java.lang.String getCatalogName(int column)
                                throws java.sql.SQLException
Specified by:
getCatalogName in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getColumnClassName

public java.lang.String getColumnClassName(int column)
                                    throws java.sql.SQLException
Specified by:
getColumnClassName in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getColumnLabel

public java.lang.String getColumnLabel(int column)
                                throws java.sql.SQLException
Specified by:
getColumnLabel in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getColumnName

public java.lang.String getColumnName(int column)
                               throws java.sql.SQLException
Specified by:
getColumnName in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getColumnTypeName

public java.lang.String getColumnTypeName(int column)
                                   throws java.sql.SQLException
Specified by:
getColumnTypeName in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getSchemaName

public java.lang.String getSchemaName(int column)
                               throws java.sql.SQLException
Specified by:
getSchemaName in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException

getTableName

public java.lang.String getTableName(int column)
                              throws java.sql.SQLException
Specified by:
getTableName in interface java.sql.ResultSetMetaData
Throws:
java.sql.SQLException
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Generated on December 30 2009