Program: 124177
Project: 124177
Buggy source:
@SuppressWarnings("String_Node_Str") @Override public void execute(){
  if (realDBType != null) {
    dbType=realDBType;
  }
  if (node != null && node instanceof INode) {
    process=((INode)node).getProcess();
  }
  if (this.realTableId != null && this.dbNameAndDbTypeMap.containsKey(this.realTableId)) {
    dbType=this.dbNameAndDbTypeMap.get(this.realTableId);
  }
  if (dbType == null || dbType.equals("String_Node_Str")) {
    IElementParameter ptParam=node.getElementParameterFromField(EParameterFieldType.PROPERTY_TYPE);
    if (ptParam != null && ptParam.getRepositoryValue() != null) {
      if (ptParam.getRepositoryValue().endsWith(EDatabaseTypeName.GENERAL_JDBC.getProduct())) {
        dbType=EDatabaseTypeName.GENERAL_JDBC.getDisplayName();
      }
    }
  }
  if (dbType != null && dbType.equals(EDatabaseTypeName.GENERAL_JDBC.getDisplayName())) {
    String driverClassName=node.getElementParameter("String_Node_Str").getValue().toString();
    driverClassName=TalendTextUtils.removeQuotes(driverClassName);
    if (driverClassName != null && !"String_Node_Str".equals(driverClassName)) {
      boolean isContextModeDriverClass=ContextParameterUtils.containContextVariables(driverClassName);
      if (isContextModeDriverClass) {
        driverClassName=JavaProcessUtil.getContextOriginalValue(process,driverClassName);
      }
    }
    String driverJarName=node.getElementParameter("String_Node_Str").getValue().toString();
    if (driverJarName != null && driverJarName.startsWith("String_Node_Str") && driverJarName.endsWith("String_Node_Str")) {
      driverJarName=driverJarName.substring(1,driverJarName.length() - 1);
      if (driverJarName != null && driverJarName.startsWith("String_Node_Str") && driverJarName.endsWith("String_Node_Str")) {
        driverJarName=driverJarName.substring(1,driverJarName.length() - 1);
      }
    }
    if (driverJarName != null && !"String_Node_Str".equals(driverJarName)) {
      boolean isContextMode=ContextParameterUtils.containContextVariables(driverJarName);
      if (isContextMode) {
        driverJarName=JavaProcessUtil.getContextOriginalValue(process,driverJarName);
      }
      dbType=ExtractMetaDataUtils.getDbTypeByClassNameAndDriverJar(driverClassName,driverJarName);
    }
 else {
      dbType=ExtractMetaDataUtils.getDbTypeByClassName(driverClassName);
    }
    DatabaseConnection dbConn=null;
    if (dbType == null) {
      if (conn != null) {
        if (conn instanceof DatabaseConnection) {
          dbConn=(DatabaseConnection)conn;
        }
        driverClassName=DatabaseConnectionParameterUtil.getTrueParamValue(dbConn,driverClassName);
        dbType=ExtractMetaDataUtils.getDbTypeByClassName(driverClassName);
      }
    }
  }
  if (dbNameAndSchemaMap != null) {
    schema=this.dbNameAndSchemaMap.get(this.realTableId);
  }
  String propertyType=(String)node.getPropertyValue(EParameterName.PROPERTY_TYPE.getName());
  boolean isTeradata=false;
  if (dbType != null) {
    isTeradata=dbType.equals(EDatabaseTypeName.TERADATA.getDisplayName());
  }
  if (propertyType != null && !propertyType.equals(EmfComponent.REPOSITORY)) {
    for (    IElementParameter param : this.node.getElementParameters()) {
      if (param.getRepositoryValue() != null) {
        if ((!isTeradata && param.getRepositoryValue().equals("String_Node_Str")) || (isTeradata && param.getRepositoryValue().equals("String_Node_Str"))) {
          schema=(String)param.getValue();
          schema=schema.replace("String_Node_Str","String_Node_Str");
          schema=schema.replace("String_Node_Str","String_Node_Str");
          break;
        }
      }
    }
  }
 else   if (schema == null) {
    IElementParameter param=node.getElementParameter(EParameterName.REPOSITORY_PROPERTY_TYPE.getName());
    if (param != null) {
      try {
        IRepositoryViewObject object=DesignerPlugin.getDefault().getRepositoryService().getProxyRepositoryFactory().getLastVersion((String)param.getValue());
        if (object != null) {
          Item item=object.getProperty().getItem();
          if (item != null && item instanceof DatabaseConnectionItem) {
            if (isTeradata) {
              schema=(String)RepositoryToComponentProperty.getValue(((DatabaseConnectionItem)item).getConnection(),"String_Node_Str",null);
            }
 else {
              schema=(String)RepositoryToComponentProperty.getValue(((DatabaseConnectionItem)item).getConnection(),"String_Node_Str",null);
            }
            schema=TalendTextUtils.removeQuotes(schema);
          }
        }
      }
 catch (      PersistenceException e) {
      }
    }
  }
  if (conn instanceof DatabaseConnection && conn.isContextMode()) {
    schema=DatabaseConnectionParameterUtil.getContextTrueValue((DatabaseConnection)conn,schema);
  }
  String newQuery=null;
  realTableName=QueryUtil.getTableName(node,newOutputMetadataTable,schema,dbType,realTableName);
  if (realTableName.startsWith(TalendTextUtils.QUOTATION_MARK) && realTableName.endsWith(TalendTextUtils.QUOTATION_MARK) && realTableName.length() > 2) {
    realTableName=realTableName.substring(1,realTableName.length() - 1);
  }
  newQuery=TalendTextUtils.addSQLQuotes(QueryUtil.generateNewQuery(node,newOutputMetadataTable,dbType,schema,realTableName));
  for (  IElementParameter param : (List<IElementParameter>)node.getElementParameters()) {
    if (param.getFieldType() == EParameterFieldType.MEMO_SQL) {
      oldValue=node.getPropertyValue(param.getName());
      this.propName=param.getName();
      String sql=null;
      try {
        if (QueryUtil.needFormatSQL(dbType)) {
          sql=fomatQuery(newQuery);
        }
 else {
          sql=newQuery;
        }
        node.setPropertyValue(param.getName(),sql);
      }
 catch (      Exception e) {
        ExceptionHandler.process(e,Priority.WARN);
        node.setPropertyValue(param.getName(),newQuery);
      }
      param.setRepositoryValueUsed(false);
    }
  }
  node.setPropertyValue(EParameterName.UPDATE_COMPONENTS.getName(),Boolean.TRUE);
  if (this.node instanceof Node) {
    ((Node)this.node).checkAndRefreshNode();
  }
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") @Override public void execute(){
  IElementParameter dqRuler=node.getElementParameter("String_Node_Str");
  String newQuery="String_Node_Str";
  if (dqRuler != null || !"String_Node_Str".equals(dqRuler.getValue())) {
    newQuery=generateNewQueryFromDQRuler(dqRuler);
    if (newQuery == null || "String_Node_Str".equals(newQuery)) {
      newQuery=generateNewQuery();
    }
  }
 else {
    newQuery=generateNewQuery();
  }
  for (  IElementParameter param : (List<IElementParameter>)node.getElementParameters()) {
    if (param.getFieldType() == EParameterFieldType.MEMO_SQL) {
      oldValue=node.getPropertyValue(param.getName());
      this.propName=param.getName();
      String sql=null;
      try {
        if (QueryUtil.needFormatSQL(dbType)) {
          sql=fomatQuery(newQuery);
        }
 else {
          sql=newQuery;
        }
        node.setPropertyValue(param.getName(),sql);
      }
 catch (      Exception e) {
        ExceptionHandler.process(e,Priority.WARN);
        node.setPropertyValue(param.getName(),newQuery);
      }
      param.setRepositoryValueUsed(false);
    }
  }
  node.setPropertyValue(EParameterName.UPDATE_COMPONENTS.getName(),Boolean.TRUE);
  if (this.node instanceof Node) {
    ((Node)this.node).checkAndRefreshNode();
  }
}