org.apache.ctakes.ytex.dao

Class DBUtil

java.lang.Object

org.apache.ctakes.ytex.dao.DBUtil

public class DBUtil
extends java.lang.Object

Oracle differs from sql server & mysql in handling of empty string. In oracle, empty string is null, in other platforms, empty string is non-null. We need a stand-in for the empty string in oracle; we use the string with one blank in its place.

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	escapeBegin
private static java.lang.String	escapeEnd
private static boolean	hsql
private static Log	log
private static boolean	mssql
private static boolean	mysql
private static boolean	oracle
private static java.util.Properties	ytexProperties

Constructor Summary

Constructors

Constructor and Description
DBUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	formatFieldName(java.lang.String fieldName)
static java.lang.String	formatTableName(java.lang.String tableName)
static java.lang.String	getEmptyString()
static java.lang.String	getEscapeBegin()
static java.lang.String	getEscapeEnd()
static java.lang.String	getYTEXTablePrefix()
static java.lang.String	nullToEmptyString(java.lang.String param)

Methods inherited from class java.lang.Object

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

Field Detail

log

private static final Log log

ytexProperties

private static java.util.Properties ytexProperties

oracle

private static boolean oracle

mysql

private static boolean mysql

mssql

private static boolean mssql

hsql

private static boolean hsql

escapeBegin

private static java.lang.String escapeBegin

escapeEnd

private static java.lang.String escapeEnd

Constructor Detail

DBUtil

public DBUtil()

Method Detail

getYTEXTablePrefix

public static java.lang.String getYTEXTablePrefix()

getEmptyString

public static java.lang.String getEmptyString()

getEscapeBegin

public static java.lang.String getEscapeBegin()

getEscapeEnd

public static java.lang.String getEscapeEnd()

nullToEmptyString

public static java.lang.String nullToEmptyString(java.lang.String param)

formatFieldName

public static java.lang.String formatFieldName(java.lang.String fieldName)

formatTableName

public static java.lang.String formatTableName(java.lang.String tableName)