org.teiid.translator.jdbc.oracle
Class LeftOrRightFunctionModifier

java.lang.Object
  org.teiid.translator.jdbc.FunctionModifier
      org.teiid.translator.jdbc.oracle.LeftOrRightFunctionModifier

public class LeftOrRightFunctionModifier
extends FunctionModifier

Convert left(string, count) --> substr(string, 1, count) or right(string, count) --> substr(string, -1 * count) - we lack a way to express a unary negation

Field Summary

Fields inherited from class org.teiid.translator.jdbc.FunctionModifier

BIGDECIMAL, BIGINTEGER, BLOB, BOOLEAN, BYTE, CHAR, CLOB, DATE, DOUBLE, FLOAT, INTEGER, LONG, NULL, OBJECT, SHORT, STRING, TIME, TIMESTAMP, XML

Constructor Summary

LeftOrRightFunctionModifier(LanguageFactory langFactory)

Method Summary

java.util.List<?>

translate(Function function) Return a List of translated parts (LanguageObjects and Objects), or null if this FunctionModifier wishes to rely on the default translation of the conversion visitor.

Methods inherited from class org.teiid.translator.jdbc.FunctionModifier

getCode

Methods inherited from class java.lang.Object

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

Constructor Detail

LeftOrRightFunctionModifier

public LeftOrRightFunctionModifier(LanguageFactory langFactory)

Method Detail

translate

public java.util.List<?> translate(Function function)

Description copied from class: FunctionModifier

Return a List of translated parts (LanguageObjects and Objects), or null if this FunctionModifier wishes to rely on the default translation of the conversion visitor.

Specified by:

translate in class FunctionModifier

Parameters:

function - IFunction to be translated

Returns:

List of translated parts, or null