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com.mysql.jdbc
Class Field  

java.lang.Object
  com.mysql.jdbc.Field

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public class Field

extends java.lang.Object

Field is a class used to describe fields in a ResultSet

Version:

$Id: Field.java,v 1.15.2.15 2004/10/21 19:31:03 mmatthew Exp $

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Field Summary
private static int	AUTO_INCREMENT_FLAG
private  byte[]	buffer
private  int	charsetIndex
private  java.lang.String	charsetName
private  int	colDecimals
private  short	colFlag
private  Connection	connection
private  java.lang.String	databaseName
private  int	databaseNameLength
private  int	databaseNameStart
private  java.lang.String	defaultValue
private  int	defaultValueLength
private  int	defaultValueStart
private  java.lang.String	fullName
private  java.lang.String	fullNameWithDatabase
private  java.lang.String	fullOriginalName
private  java.lang.String	fullOriginalNameWithDatabase
private  long	length
private  int	mysqlType
private  java.lang.String	name
private  int	nameLength
private  int	nameStart
private  java.lang.String	originalColumnName
private  int	originalColumnNameLength
private  int	originalColumnNameStart
private  java.lang.String	originalTableName
private  int	originalTableNameLength
private  int	originalTableNameStart
private  int	precisionAdjustFactor
private  int	sqlType
private  java.lang.String	tableName
private  int	tableNameLength
private  int	tableNameStart

 

Constructor Summary
(package private)	Field(Connection conn, byte[] buffer, int databaseNameStart, int databaseNameLength, int tableNameStart, int tableNameLength, int originalTableNameStart, int originalTableNameLength, int nameStart, int nameLength, int originalColumnNameStart, int originalColumnNameLength, long length, int mysqlType, short colFlag, int colDecimals, int defaultValueStart, int defaultValueLength, int charsetIndex)           Constructor used when communicating with 4.1 and newer servers
(package private)	Field(Connection conn, byte[] buffer, int nameStart, int nameLength, int tableNameStart, int tableNameLength, long length, int mysqlType, short colFlag, int colDecimals)           Constructor used when communicating with pre 4.1 servers
(package private)	Field(java.lang.String tableName, java.lang.String columnName, int jdbcType, long length)           Constructor used by DatabaseMetaData methods.

 

Method Summary
java.lang.String	getCharacterSet()           Returns the character set (if known) for this field.
java.lang.String	getDatabaseName()           DOCUMENT ME!
(package private)  int	getDecimals()
java.lang.String	getFullName()           DOCUMENT ME!
java.lang.String	getFullOriginalName()           DOCUMENT ME!
long	getLength()           DOCUMENT ME!
int	getMysqlType()           DOCUMENT ME!
java.lang.String	getName()           DOCUMENT ME!
java.lang.String	getOriginalName()           DOCUMENT ME!
java.lang.String	getOriginalTableName()           DOCUMENT ME!
int	getPrecisionAdjustFactor()           Returns amount of correction that should be applied to the precision value.
int	getSQLType()           DOCUMENT ME!
private  java.lang.String	getStringFromBytes(int stringStart, int stringLength)           Create a string with the correct charset encoding from the byte-buffer that contains the data for this field
java.lang.String	getTable()           DOCUMENT ME!
java.lang.String	getTableName()           DOCUMENT ME!
boolean	isAutoIncrement()           DOCUMENT ME!
boolean	isBinary()           DOCUMENT ME!
boolean	isBlob()           DOCUMENT ME!
boolean	isMultipleKey()           DOCUMENT ME!
(package private)  boolean	isNotNull()
boolean	isPrimaryKey()           DOCUMENT ME!
(package private)  boolean	isReadOnly()           Is this field _definitely_ not writable?
boolean	isUniqueKey()           DOCUMENT ME!
boolean	isUnsigned()           DOCUMENT ME!
boolean	isZeroFill()           DOCUMENT ME!
private  void	setBlobTypeBasedOnLength()
void	setConnection(Connection conn)           DOCUMENT ME!
java.lang.String	toString()           DOCUMENT ME!

 

Methods inherited from class java.lang.Object

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

 

Field Detail

AUTO_INCREMENT_FLAG

private static final int AUTO_INCREMENT_FLAG

See Also:

Constant Field Values

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connection

private Connection connection

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charsetName

private java.lang.String charsetName

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databaseName

private java.lang.String databaseName

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defaultValue

private java.lang.String defaultValue

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fullName

private java.lang.String fullName

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fullNameWithDatabase

private java.lang.String fullNameWithDatabase

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fullOriginalName

private java.lang.String fullOriginalName

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fullOriginalNameWithDatabase

private java.lang.String fullOriginalNameWithDatabase

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name

private java.lang.String name

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originalColumnName

private java.lang.String originalColumnName

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originalTableName

private java.lang.String originalTableName

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tableName

private java.lang.String tableName

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buffer

private byte[] buffer

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charsetIndex

private int charsetIndex

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colDecimals

private int colDecimals

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databaseNameLength

private int databaseNameLength

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databaseNameStart

private int databaseNameStart

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defaultValueLength

private int defaultValueLength

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defaultValueStart

private int defaultValueStart

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length

private long length

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mysqlType

private int mysqlType

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nameLength

private int nameLength

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nameStart

private int nameStart

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originalColumnNameLength

private int originalColumnNameLength

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originalColumnNameStart

private int originalColumnNameStart

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originalTableNameLength

private int originalTableNameLength

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originalTableNameStart

private int originalTableNameStart

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precisionAdjustFactor

private int precisionAdjustFactor

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sqlType

private int sqlType

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tableNameLength

private int tableNameLength

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tableNameStart

private int tableNameStart

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colFlag

private short colFlag

Constructor Detail

Field

Field(java.lang.String tableName,
      java.lang.String columnName,
      int jdbcType,
      long length)

Constructor used by DatabaseMetaData methods.

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Field

Field(Connection conn,
      byte[] buffer,
      int nameStart,
      int nameLength,
      int tableNameStart,
      int tableNameLength,
      long length,
      int mysqlType,
      short colFlag,
      int colDecimals)
throws java.sql.SQLException

Constructor used when communicating with pre 4.1 servers

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Field

Field(Connection conn,
      byte[] buffer,
      int databaseNameStart,
      int databaseNameLength,
      int tableNameStart,
      int tableNameLength,
      int originalTableNameStart,
      int originalTableNameLength,
      int nameStart,
      int nameLength,
      int originalColumnNameStart,
      int originalColumnNameLength,
      long length,
      int mysqlType,
      short colFlag,
      int colDecimals,
      int defaultValueStart,
      int defaultValueLength,
      int charsetIndex)
throws java.sql.SQLException

Constructor used when communicating with 4.1 and newer servers

Method Detail

isAutoIncrement

public boolean isAutoIncrement()

DOCUMENT ME!

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isBinary

public boolean isBinary()

DOCUMENT ME!

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isBlob

public boolean isBlob()

DOCUMENT ME!

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getCharacterSet

public java.lang.String getCharacterSet()

Returns the character set (if known) for this field.

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setConnection

public void setConnection(Connection conn)

DOCUMENT ME!

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getDatabaseName

public java.lang.String getDatabaseName()

DOCUMENT ME!

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getFullName

public java.lang.String getFullName()

DOCUMENT ME!

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getFullOriginalName

public java.lang.String getFullOriginalName()

DOCUMENT ME!

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getLength

public long getLength()

DOCUMENT ME!

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isMultipleKey

public boolean isMultipleKey()

DOCUMENT ME!

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getMysqlType

public int getMysqlType()

DOCUMENT ME!

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getName

public java.lang.String getName()

DOCUMENT ME!

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getOriginalName

public java.lang.String getOriginalName()

DOCUMENT ME!

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getOriginalTableName

public java.lang.String getOriginalTableName()

DOCUMENT ME!

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getPrecisionAdjustFactor

public int getPrecisionAdjustFactor()

Returns amount of correction that should be applied to the precision value. Different versions of MySQL report different precision values.

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isPrimaryKey

public boolean isPrimaryKey()

DOCUMENT ME!

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getSQLType

public int getSQLType()

DOCUMENT ME!

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getTable

public java.lang.String getTable()

DOCUMENT ME!

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getTableName

public java.lang.String getTableName()

DOCUMENT ME!

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isUniqueKey

public boolean isUniqueKey()

DOCUMENT ME!

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isUnsigned

public boolean isUnsigned()

DOCUMENT ME!

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isZeroFill

public boolean isZeroFill()

DOCUMENT ME!

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toString

public java.lang.String toString()

DOCUMENT ME!

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getDecimals

int getDecimals()

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isNotNull

boolean isNotNull()

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isReadOnly

boolean isReadOnly()
             throws java.sql.SQLException

Is this field _definitely_ not writable?

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getStringFromBytes

private java.lang.String getStringFromBytes(int stringStart,
                                            int stringLength)

Create a string with the correct charset encoding from the byte-buffer that contains the data for this field

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setBlobTypeBasedOnLength

private void setBlobTypeBasedOnLength()

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> mysql >> [ jdbc overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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