private ValueResultSet getTable(
Session session, Expression[] argList, boolean onlyColumnList, boolean distinctRows) {
int len = columnList.length;
Expression[] header = new Expression[len];
Database db = session.getDatabase();
for (int i = 0; i < len; i++) {
Column c = columnList[i];
ExpressionColumn col = new ExpressionColumn(db, c);
header[i] = col;
}
LocalResult result = new LocalResult(session, header, len);
if (distinctRows) {
result.setDistinct();
}
if (!onlyColumnList) {
Value[][] list = new Value[len][];
int rows = 0;
for (int i = 0; i < len; i++) {
Value v = argList[i].getValue(session);
if (v == ValueNull.INSTANCE) {
list[i] = new Value[0];
} else {
ValueArray array = (ValueArray) v.convertTo(Value.ARRAY);
Value[] l = array.getList();
list[i] = l;
rows = Math.max(rows, l.length);
}
}
for (int row = 0; row < rows; row++) {
Value[] r = new Value[len];
for (int j = 0; j < len; j++) {
Value[] l = list[j];
Value v;
if (l.length <= row) {
v = ValueNull.INSTANCE;
} else {
Column c = columnList[j];
v = l[row];
v = c.convert(v);
v = v.convertPrecision(c.getPrecision(), false);
v = v.convertScale(true, c.getScale());
}
r[j] = v;
}
result.addRow(r);
}
}
result.done();
ValueResultSet vr = ValueResultSet.get(getSimpleResultSet(result, Integer.MAX_VALUE));
return vr;
}
@Override
public Row get() {
if (row == null) {
if (searchRow != null) {
Result r;
try {
Get get = new Get(HBaseUtils.toBytes(searchRow.getRowKey()));
get.setTimeStamp(searchTimestamp);
if (columns != null) {
for (Column c : columns) {
if (c.isRowKeyColumn()) continue;
else if (c.getColumnFamilyName() != null)
get.addColumn(c.getColumnFamilyNameAsBytes(), c.getNameAsBytes());
else get.addColumn(defaultColumnFamilyName, c.getNameAsBytes());
}
}
r = secondaryIndex.dataTable.get(get);
} catch (IOException e) {
throw DbException.convert(e);
}
if (r != null) {
Value[] data = new Value[columns.size()];
Value rowKey = ValueString.get(Bytes.toString(r.getRow()));
if (columns != null) {
int i = 0;
for (Column c : columns) {
i = c.getColumnId();
if (c.isRowKeyColumn()) data[i] = rowKey;
else
data[i] =
HBaseUtils.toValue( //
r.getValue(c.getColumnFamilyNameAsBytes(), c.getNameAsBytes()),
c.getType());
}
}
row = new HBaseRow(null, rowKey, data, Row.MEMORY_CALCULATE, r);
}
}
}
return row;
}
