public static ResultMetaData newUpdateResultMetaData(Type[] types) {
ResultMetaData md = new ResultMetaData(UPDATE_RESULT_METADATA);
md.columnTypes = new Type[types.length];
md.columnCount = types.length;
md.extendedColumnCount = types.length;
ArrayUtil.copyArray(types, md.columnTypes, types.length);
return md;
}
Result executeSetStatement(Session session) {
Table table = targetTable;
int[] colMap = updateColumnMap; // column map
Expression[] colExpressions = updateExpressions;
Type[] colTypes = table.getColumnTypes();
int index = targetRangeVariables[TriggerDef.NEW_ROW].rangePosition;
Object[] oldData = session.sessionContext.rangeIterators[index].getCurrent();
Object[] data =
StatementDML.getUpdatedData(session, table, colMap, colExpressions, colTypes, oldData);
ArrayUtil.copyArray(data, oldData, data.length);
return Result.updateOneResult;
}
public void addSessionVariable(ColumnSchema variable) {
int index = sessionVariables.size();
if (!sessionVariables.add(variable.getName().name, variable)) {
throw Error.error(ErrorCode.X_42504);
}
Object[] vars = new Object[sessionVariables.size()];
ArrayUtil.copyArray(routineVariables, vars, routineVariables.length);
routineVariables = vars;
routineVariables[index] = variable.getDefaultValue(session);
}