public static SqlOpQuery makeSelectOrTable(SqlOpQuery node) {
String alias = aliasGenerator.next();
SqlOpQuery result = new SqlOpQuery(node.getSchema(), node.getQueryString(), alias);
return result;
}
public static SqlOpSelectBlock makeSelect(SqlOpQuery node) {
SqlOpQuery opQuery = makeSelectOrTable(node);
SqlOpSelectBlock result = SqlOpSelectBlock.create(opQuery);
for (String columnName : opQuery.getSchema().getColumnNames()) {
result
.getProjection()
.put(columnName, new ExprVar(opQuery.getAliasName() + "." + columnName));
}
return result;
}