/**
* Get or generate a default value for the given column.
*
* @param session the session
* @param column the column
* @return the value
*/
public Value getDefaultValue(Session session, Column column) {
Expression defaultExpr = column.getDefaultExpression();
Value v;
if (defaultExpr == null) {
v = column.validateConvertUpdateSequence(session, null);
} else {
v = defaultExpr.getValue(session);
}
return column.convert(v);
}
protected Row createRow(Expression[] expr, int rowId) {
Row newRow = table.getTemplateRow();
for (int i = 0, len = columns.length; i < len; i++) {
Column c = columns[i];
int index = c.getColumnId();
Expression e = expr[i];
if (e != null) {
// e can be null (DEFAULT)
try {
Value v = c.convert(e.getValue(session));
newRow.setValue(index, v);
} catch (DbException ex) {
throw setRow(ex, rowId, getSQL(expr));
}
}
}
return newRow;
}