private static int encodeTableColumnAttrs(ColumnBase column) {
int out = column.getNullability(); // always between 0x00 and 0x02
if (column.isIdentity()) {
out |= 0x00000010;
}
return out;
}
private Result newColumnResult(long position, int count) throws SQLException {
int mArraySize = 0;
String mArrayStruct = data.getTypeStructure();
ArrayList<Integer> dimSize = getDimSize(mArrayStruct);
ArrayList<Integer> iterIndex = new ArrayList<>(); // go through all the array values
for (int i = 0; i < dimSize.size(); i++) {
mArraySize += dimSize.get(i);
}
// tests if the required elements exist. The limits are determined
// by computing the product of each dimension's size
if (!JDBCClobClient.isInLimits(mArraySize, position, count)) {
throw JDBCUtil.outOfRangeArgument();
}
Type[] types = new Type[2];
types[0] = Type.SQL_VARCHAR;
types[1] = elementType;
ResultMetaData meta = ResultMetaData.newSimpleResultMetaData(types);
meta.columnLabels = new String[] {"C1", "C2"};
meta.colIndexes = new int[] {-1, -1};
meta.columns = new ColumnBase[2];
ColumnBase column = new ColumnBase("", "", "", "");
column.setType(types[0]);
meta.columns[0] = column;
column = new ColumnBase("", "", "", "");
column.setType(types[1]);
meta.columns[1] = column;
RowSetNavigatorClient navigator = new RowSetNavigatorClient();
for (int i = (int) position; i < position + count; i++) {
Object[] rowData = new Object[2];
rowData[0] = Integer.valueOf(i + 1);
try {
rowData[1] = data.getCell(new RasPoint(1, 1));
} catch (RasDimensionMismatchException | RasIndexOutOfBoundsException e) {
System.err.println("Can't get the cell at point (1, 1)");
e.printStackTrace();
}
navigator.add(rowData);
}
Result result = Result.newDataResult(meta);
result.setNavigator(navigator);
return result;
}
void write(RowOutputInterface out) throws IOException {
out.writeInt(type);
out.writeInt(columnCount);
switch (type) {
case UPDATE_RESULT_METADATA:
case SIMPLE_RESULT_METADATA:
{
for (int i = 0; i < columnCount; i++) {
out.writeType(columnTypes[i].typeCode);
}
return;
}
case GENERATED_INDEX_METADATA:
{
for (int i = 0; i < columnCount; i++) {
out.writeInt(colIndexes[i]);
}
return;
}
case GENERATED_NAME_METADATA:
{
for (int i = 0; i < columnCount; i++) {
out.writeString(columnLabels[i]);
}
return;
}
case PARAM_METADATA:
for (int i = 0; i < columnCount; i++) {
writeDataType(out, columnTypes[i]);
out.writeString(columnLabels[i]);
out.writeByte(encodeParamColumnAttrs(i));
}
return;
case RESULT_METADATA:
{
out.writeInt(extendedColumnCount);
for (int i = 0; i < extendedColumnCount; i++) {
if (columnTypes[i] == null) {
ColumnBase column = columns[i];
columnTypes[i] = column.getDataType();
}
writeDataType(out, columnTypes[i]);
}
for (int i = 0; i < columnCount; i++) {
ColumnBase column = columns[i];
out.writeString(columnLabels[i]);
out.writeString(column.getCatalogNameString());
out.writeString(column.getSchemaNameString());
out.writeString(column.getTableNameString());
out.writeString(column.getNameString());
out.writeByte(encodeTableColumnAttrs(column));
}
if (columnCount != extendedColumnCount) {
for (int i = 0; i < colIndexes.length; i++) {
out.writeInt(colIndexes[i]);
}
}
return;
}
default:
{
throw Error.runtimeError(ErrorCode.U_S0500, "ResultMetaData");
}
}
}
ResultMetaData(RowInputBinary in) throws IOException {
type = in.readInt();
columnCount = in.readInt();
switch (type) {
case UPDATE_RESULT_METADATA:
case SIMPLE_RESULT_METADATA:
{
columnTypes = new Type[columnCount];
for (int i = 0; i < columnCount; i++) {
int type = in.readType();
columnTypes[i] = Type.getDefaultType(type);
}
return;
}
case GENERATED_INDEX_METADATA:
{
colIndexes = new int[columnCount];
for (int i = 0; i < columnCount; i++) {
colIndexes[i] = in.readInt();
}
return;
}
case GENERATED_NAME_METADATA:
{
columnLabels = new String[columnCount];
for (int i = 0; i < columnCount; i++) {
columnLabels[i] = in.readString();
}
return;
}
case PARAM_METADATA:
{
columnTypes = new Type[columnCount];
columnLabels = new String[columnCount];
paramModes = new byte[columnCount];
paramNullable = new byte[columnCount];
for (int i = 0; i < columnCount; i++) {
columnTypes[i] = readDataType(in);
columnLabels[i] = in.readString();
decodeParamColumnAttrs(in.readByte(), i);
}
return;
}
case RESULT_METADATA:
{
extendedColumnCount = in.readInt();
columnTypes = new Type[extendedColumnCount];
columnLabels = new String[columnCount];
columns = new ColumnBase[columnCount];
if (columnCount != extendedColumnCount) {
colIndexes = new int[columnCount];
}
for (int i = 0; i < extendedColumnCount; i++) {
Type type = readDataType(in);
columnTypes[i] = type;
}
for (int i = 0; i < columnCount; i++) {
columnLabels[i] = in.readString();
String catalog = in.readString();
String schema = in.readString();
String table = in.readString();
String name = in.readString();
ColumnBase column = new ColumnBase(catalog, schema, table, name);
column.setType(columnTypes[i]);
decodeTableColumnAttrs(in.readByte(), column);
columns[i] = column;
}
if (columnCount != extendedColumnCount) {
for (int i = 0; i < columnCount; i++) {
colIndexes[i] = in.readInt();
}
}
return;
}
default:
{
throw Error.runtimeError(ErrorCode.U_S0500, "ResultMetaData");
}
}
}
private static void decodeTableColumnAttrs(int in, ColumnBase column) {
column.setNullability((byte) (in & 0x0000000f));
column.setIdentity((in & 0x00000010) != 0);
}