PropertyIsLikeTypeInfo isLike = (PropertyIsLikeTypeInfo) coOps;
String propertyName = isLike.getPropertyName().getValue();
return propertyName + " LIKE '" + isLike.getLiteral().getValue() + "'";
} else if (coOps instanceof PropertyIsNullTypeInfo) {
PropertyIsNullTypeInfo isNull = (PropertyIsNullTypeInfo) coOps;
if (isNull.ifLiteral()) {
String literal = isNull.getLiteral().getValue();
return "'" + literal + "' IS NULL ";
} else {
String propertyName = isNull.getPropertyName().getValue();
return propertyName + " IS NULL ";