@Override
public void printSQLSelectStatement(
DatabaseCall call, ExpressionSQLPrinter printer, SQLSelectStatement statement) {
int max = 0;
int firstRow = 0;
ReadQuery query = statement.getQuery();
if (query != null) {
max = query.getMaxRows();
firstRow = query.getFirstResult();
}
if (max <= 0 && firstRow <= 0) {
// neither max nor firstRow is set
super.printSQLSelectStatement(call, printer, statement);
return;
}
if (max <= 0) {
// if max row is not set use MAX_VALUE instead
// this is done, because NewDB does not allow
// OFFSET without LIMIT, and scrollable cursor is not supported
// in order to support firstRows without MaxRows also MaxRow has to be set
// this limits also the size of the result set in this case to Integer.MAX_VALUE rows
query.setMaxRows(Integer.MAX_VALUE);
}
statement.setUseUniqueFieldAliases(true);
call.setFields(statement.printSQL(printer));
printer.printString(" LIMIT ");
printer.printParameter(DatabaseCall.MAXROW_FIELD);
printer.printString(" OFFSET ");
printer.printParameter(DatabaseCall.FIRSTRESULT_FIELD);
call.setIgnoreFirstRowSetting(true);
call.setIgnoreMaxResultsSetting(true);
}
