com.github.drinkjava2.jdialects
Class DialectFunctionTranslator

java.lang.Object
  com.github.drinkjava2.jdialects.DialectFunctionTranslator

public class DialectFunctionTranslator
extends Object

TranslateUtil parse a Sql, translate all universal functions like fn_sin() to native SQL functions like sin()

Since:

1.0.0

Author:

Yong Zhu (Yong9981@gmail.com)

Nested Class Summary

static class

DialectFunctionTranslator.SqlItem Item type can be: S:String, F:function, U:Unknow(need correct), ",":","

Field Summary

static DialectFunctionTranslator

instance

Constructor Summary

DialectFunctionTranslator()
Register functions names need translated, values is percentage of dialects support this function, value not used for this project

Method Summary

static void	deleteItem(DialectFunctionTranslator.SqlItem item)
static void	deleteItem(DialectFunctionTranslator.SqlItem lastItem, DialectFunctionTranslator.SqlItem nextItem)
String	doTranslate(Dialect d, String sql) Translate universal SQL to native SQL, all #xxx() format universal SQL functions will be translate to xxx() native SQL functions
Map<String,Integer>	getFunctionMap()
static boolean	isLetterNumber(char c)
void	setFunctionMap(Map<String,Integer> functionMap)

Methods inherited from class java.lang.Object

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

Field Detail

instance

public static final DialectFunctionTranslator instance

Constructor Detail

DialectFunctionTranslator

public DialectFunctionTranslator()

Register functions names need translated, values is percentage of dialects support this function, value not used for this project

Method Detail

getFunctionMap

public Map<String,Integer> getFunctionMap()

setFunctionMap

public void setFunctionMap(Map<String,Integer> functionMap)

doTranslate

public String doTranslate(Dialect d,
                          String sql)

Translate universal SQL to native SQL, all #xxx() format universal SQL functions will be translate to xxx() native SQL functions

deleteItem

public static void deleteItem(DialectFunctionTranslator.SqlItem item)

deleteItem

public static void deleteItem(DialectFunctionTranslator.SqlItem lastItem,
                              DialectFunctionTranslator.SqlItem nextItem)

isLetterNumber

public static boolean isLetterNumber(char c)