de.esprit.appsuite.database.dbase.rdbms

Class RdbmsInformix

java.lang.Object

de.esprit.appsuite.database.dbase.rdbms.RdbmsSupport

de.esprit.appsuite.database.dbase.rdbms.RdbmsInformix

public class RdbmsInformix
extends RdbmsSupport

This class provides support for the Informix (IDS2000) RDBMS.

Author:

Rainer Buesch

Field Summary

Fields inherited from class de.esprit.appsuite.database.dbase.rdbms.RdbmsSupport

RDBMS_ACCESS, RDBMS_CLOUDSCAPE, RDBMS_DB2NT, RDBMS_DERBY, RDBMS_INFORMIX, RDBMS_MYSQL, RDBMS_ORACLE, RDBMS_POINTBASE

Constructor Summary

Constructors

Constructor and Description
RdbmsInformix(javax.sql.DataSource cp, java.sql.Connection dbConn, RdbmsInfo dbi)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	createAddForeignKeyStatement(java.lang.String sourceTable, java.lang.String sourceCols, java.lang.String targetTable, java.lang.String targetCols, java.lang.String constrName) Overridden to adapt to informix syntax: the constraint name is appended last!
java.lang.String	getBlobDef()
java.lang.String	getBooleanDef()
java.lang.String	getCharDef(int length)
java.lang.String	getClobDef()
java.lang.String	getDateDef()
java.lang.String	getDoubleDef()
java.sql.Blob	getEmptyBlob() Most RDBMS systems need 'null', but Informix needs and empty Blob Object
java.sql.Clob	getEmptyClob() Most RDBMS systems need 'null', but Informix needs and empty Clob Object
java.lang.String	getFloatDef()
java.lang.String	getIntDef()
java.lang.String	getLongDef()
java.lang.String	getLongVarcharDef()
java.lang.String	getTimeDef()
java.lang.String	getTimestampDef()
java.lang.String	getVarcharDef()
java.lang.String	getVarcharDef(int length)
protected void	init(java.sql.Connection dbConn) May be overridden by subclasses in order to do any RDBMS-specific initialization on the given connection.
int	updateStatisticsAll() Updates the database statistics for all tables (Not supported on most RDBMS systems)
int	updateStatisticsFor(java.lang.String tableName) Updates the database statistics for the given table (Not supported on most RDBMS systems)

Methods inherited from class de.esprit.appsuite.database.dbase.rdbms.RdbmsSupport

createRdbmsSupport, getDataSource, getDBSupport, getInstance, getRdbmsInfo, getSupportedRdbmsTypes, isSupportedRdbmsType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

RdbmsInformix

public RdbmsInformix(javax.sql.DataSource cp,
             java.sql.Connection dbConn,
             RdbmsInfo dbi)
              throws java.sql.SQLException

Throws:

java.sql.SQLException

Method Detail

init

protected void init(java.sql.Connection dbConn)
             throws java.sql.SQLException

Description copied from class: RdbmsSupport

May be overridden by subclasses in order to do any RDBMS-specific initialization on the given connection.

Overrides:

init in class RdbmsSupport

Throws:

java.sql.SQLException

createAddForeignKeyStatement

public java.lang.String createAddForeignKeyStatement(java.lang.String sourceTable,
                                            java.lang.String sourceCols,
                                            java.lang.String targetTable,
                                            java.lang.String targetCols,
                                            java.lang.String constrName)

Overridden to adapt to informix syntax: the constraint name is appended last!

Overrides:

createAddForeignKeyStatement in class RdbmsSupport

Returns:

SQL Statement for creating a foreign key

updateStatisticsFor

public int updateStatisticsFor(java.lang.String tableName)

Description copied from class: RdbmsSupport

Updates the database statistics for the given table (Not supported on most RDBMS systems)

Overrides:

updateStatisticsFor in class RdbmsSupport

updateStatisticsAll

public int updateStatisticsAll()

Description copied from class: RdbmsSupport

Updates the database statistics for all tables (Not supported on most RDBMS systems)

Overrides:

updateStatisticsAll in class RdbmsSupport

getEmptyBlob

public java.sql.Blob getEmptyBlob()

Most RDBMS systems need 'null', but Informix needs and empty Blob Object

Overrides:

getEmptyBlob in class RdbmsSupport

getEmptyClob

public java.sql.Clob getEmptyClob()

Most RDBMS systems need 'null', but Informix needs and empty Clob Object

Overrides:

getEmptyClob in class RdbmsSupport

getBooleanDef

public java.lang.String getBooleanDef()

Specified by:

getBooleanDef in class RdbmsSupport

getCharDef

public java.lang.String getCharDef(int length)

Specified by:

getCharDef in class RdbmsSupport

getIntDef

public java.lang.String getIntDef()

Specified by:

getIntDef in class RdbmsSupport

getFloatDef

public java.lang.String getFloatDef()

Specified by:

getFloatDef in class RdbmsSupport

getLongDef

public java.lang.String getLongDef()

Specified by:

getLongDef in class RdbmsSupport

getDoubleDef

public java.lang.String getDoubleDef()

Specified by:

getDoubleDef in class RdbmsSupport

getDateDef

public java.lang.String getDateDef()

Specified by:

getDateDef in class RdbmsSupport

getTimeDef

public java.lang.String getTimeDef()

Specified by:

getTimeDef in class RdbmsSupport

getTimestampDef

public java.lang.String getTimestampDef()

Specified by:

getTimestampDef in class RdbmsSupport

getVarcharDef

public java.lang.String getVarcharDef()

Specified by:

getVarcharDef in class RdbmsSupport

getVarcharDef

public java.lang.String getVarcharDef(int length)

Specified by:

getVarcharDef in class RdbmsSupport

getLongVarcharDef

public java.lang.String getLongVarcharDef()

Specified by:

getLongVarcharDef in class RdbmsSupport

getClobDef

public java.lang.String getClobDef()

Specified by:

getClobDef in class RdbmsSupport

getBlobDef

public java.lang.String getBlobDef()

Specified by:

getBlobDef in class RdbmsSupport