public void resolveRangeTable(
Session session,
RangeVariable[] rangeVariables,
int rangeCount,
RangeVariable[] outerRanges) {
Table table = rangeTable;
SubQuery subQuery = table.getSubQuery();
if (subQuery != null && !subQuery.isResolved()) {
if (subQuery.dataExpression != null) {
HsqlList unresolved =
subQuery.dataExpression.resolveColumnReferences(
session, RangeVariable.emptyArray, null);
if (unresolved != null) {
unresolved =
subQuery.dataExpression.resolveColumnReferences(
session, rangeVariables, rangeCount, null, true);
}
if (unresolved != null) {
unresolved = subQuery.dataExpression.resolveColumnReferences(session, outerRanges, null);
}
if (unresolved != null) {
throw Error.error(ErrorCode.X_42501, ((Expression) unresolved.get(0)).getSQL());
}
subQuery.dataExpression.resolveTypes(session, null);
setRangeTableVariables();
}
if (subQuery.queryExpression != null) {
subQuery.queryExpression.resolveReferences(session, outerRanges);
HsqlList list = subQuery.queryExpression.getUnresolvedExpressions();
// todo resolve against i ranges
HsqlList unresolved =
Expression.resolveColumnSet(session, rangeVariables, rangeCount, list, null);
if (unresolved != null) {
throw Error.error(ErrorCode.X_42501, ((Expression) unresolved.get(0)).getSQL());
}
subQuery.queryExpression.resolveTypes(session);
subQuery.prepareTable(session);
subQuery.setCorrelated();
setRangeTableVariables();
}
}
}
static void checkColumnsResolved(HsqlList set) {
if (set != null && !set.isEmpty()) {
StringBuffer sb = new StringBuffer();
Expression e = (Expression) set.get(0);
if (e instanceof ExpressionColumn) {
ExpressionColumn c = (ExpressionColumn) e;
if (c.schema != null) {
sb.append(c.schema + '.');
}
if (c.tableName != null) {
sb.append(c.tableName + '.');
}
throw Error.error(ErrorCode.X_42501, sb.toString() + c.getColumnName());
} else {
OrderedHashSet newSet = new OrderedHashSet();
e.collectAllExpressions(
newSet, Expression.columnExpressionSet, Expression.emptyExpressionSet);
// throw with column name
checkColumnsResolved(newSet);
// throw anyway if not found
throw Error.error(ErrorCode.X_42501);
}
}
}