public SqlIdentifier fullyQualify(SqlIdentifier identifier) {
// If it's a simple identifier, look for an alias.
if (identifier.isSimple() && validator.getConformance().isSortByAlias()) {
String name = identifier.names.get(0);
final SqlValidatorNamespace selectNs = validator.getNamespace(select);
final RelDataType rowType = selectNs.getRowType();
if (validator.catalogReader.field(rowType, name) != null) {
return identifier;
}
}
return super.fullyQualify(identifier);
}
// implement DdlStmt
public void preValidate(FarragoSessionDdlValidator ddlValidator) {
super.preValidate(ddlValidator);
if (parsedExpr instanceof SqlIdentifier) {
catalogName = (SqlIdentifier) parsedExpr;
if (!catalogName.isSimple()) {
catalogName = null;
}
}
if (catalogName == null) {
throw FarragoResource.instance()
.ValidatorSetCatalogInvalidExpr
.ex(ddlValidator.getRepos().getLocalizedObjectName(valueString));
}
}