boolean ifNotExists = readIfNoExists();
String aliasName = readIdentifierWithSchema();
if (isKeyword(aliasName) || Function.getFunction(database, aliasName) != null || getAggregateType(aliasName) >= 0) {
throw DbException.get(ErrorCode.FUNCTION_ALIAS_ALREADY_EXISTS_1, aliasName);
}
CreateFunctionAlias command = new CreateFunctionAlias(session, getSchema());
command.setForce(force);
command.setAliasName(aliasName);
command.setIfNotExists(ifNotExists);
command.setDeterministic(readIf("DETERMINISTIC"));
if (readIf("AS")) {
command.setSource(readString());
} else {
read("FOR");
command.setJavaClassMethod(readUniqueIdentifier());
}
return command;
}