/**
* Create a cached result set with the same columns as an existing result set.
*
* @param rs The result set to copy.
* @throws SQLException
*/
CachedResultSet(JtdsResultSet rs) throws SQLException {
super(
(JtdsStatement) rs.getStatement(),
ResultSet.TYPE_FORWARD_ONLY,
ResultSet.CONCUR_UPDATABLE,
null,
false);
this.columns = rs.getColumns();
this.columnCount = getColumnCount(columns);
this.rowData = new ArrayList(INITIAL_ROW_COUNT);
this.rowsInResult = 0;
this.initialRowCnt = 0;
this.pos = POS_BEFORE_FIRST;
this.tempResultSet = true;
this.cursorName = null;
}
/** Close current result set (if any). */
void closeCurrentResultSet() {
try {
if (currentResult != null) {
currentResult.close();
}
} catch (SQLException e) {
// Ignore
} finally {
currentResult = null;
}
}
/**
* Set the specified column's data value.
*
* @param colIndex The index of the column in the row.
* @param value The new column value.
*/
protected void setColValue(int colIndex, int jdbcType, Object value, int length)
throws SQLException {
super.setColValue(colIndex, jdbcType, value, length);
if (!onInsertRow && currentRow == null) {
throw new SQLException(Messages.get("error.resultset.norow"), "24000");
}
colIndex--;
ParamInfo pi;
ColInfo ci = columns[colIndex];
if (onInsertRow) {
pi = insertRow[colIndex];
if (pi == null) {
pi = new ParamInfo(-1);
pi.collation = ci.collation;
pi.charsetInfo = ci.charsetInfo;
insertRow[colIndex] = pi;
}
} else {
if (updateRow == null) {
updateRow = new ParamInfo[columnCount];
}
pi = updateRow[colIndex];
if (pi == null) {
pi = new ParamInfo(-1);
pi.collation = ci.collation;
pi.charsetInfo = ci.charsetInfo;
updateRow[colIndex] = pi;
}
}
if (value == null) {
pi.value = null;
pi.length = 0;
pi.jdbcType = ci.jdbcType;
pi.isSet = true;
} else {
pi.value = value;
pi.length = length;
pi.isSet = true;
pi.jdbcType = jdbcType;
pi.isUnicode =
ci.sqlType.equals("ntext") || ci.sqlType.equals("nchar") || ci.sqlType.equals("nvarchar");
}
}
public void setFetchSize(int size) throws SQLException {
sizeChanged = size != fetchSize;
super.setFetchSize(size);
}