public static SqlSelectBlock makeSelect(SqlDistinct node) {
SqlSelectBlock result = _makeSelect(node.getSubNode());
result.setDistinct(true);
// Sort conditions must now become part of the projection
return result;
}
public static SqlSelectBlock makeSelect(SqlNodeOrder node) {
SqlSelectBlock result = _makeSelect(node.getSubNode());
result.getSortConditions().addAll(node.getConditions());
copyProjection(result, node);
return result;
}
public static SqlSelectBlock makeSelect(SqlProjection node) {
SqlSelectBlock result = _makeSelect(node.getSubNode());
// If the node is distinct, or if it already has a projection set,
// we must create a subselect
if (result.isDistinct()) { // || result.isResultStar()
// SqlSelectBlock wrapped = new
}
SqlSelectBlock wrap = new SqlSelectBlock(node.getAliasName(), result);
wrap.getSparqlVarToExprs().putAll(node.getSparqlVarToExprs());
wrap.getAliasToColumn().putAll(node.getAliasToColumn());
return wrap;
}
public static SqlSelectBlock makeSelect(SqlGroup node) {
SqlSelectBlock result;
if (node.getSubNode() instanceof SqlSlice) {
SqlSelectBlock tmp = _makeSelect(node.getSubNode());
result = new SqlSelectBlock(tmp.getAliasName(), tmp);
copyProjection(result, result);
} else {
result = _makeSelect(node.getSubNode());
}
System.err.println("TODO Handle group by vars if present");
return result;
}
public static SqlSelectBlock makeSelect(SqlSlice node) {
SqlSelectBlock result = _makeSelect(node.getSubNode());
SqlSelectBlock.slice(null, result, node.getStart(), node.getLength());
return result;
}
public static SqlSelectBlock makeSelect(SqlMyRestrict node) {
SqlSelectBlock result = _makeSelect(node.getSubNode());
result.getConditions().addAll(node.getConditions());
return result;
}