### Question:
DBSetExpr extends DBExpr { @Override public DBDatabase getDatabase() { return column.getDatabase(); } DBSetExpr(DBColumn expr, Object value); @Override DBDatabase getDatabase(); DBRowSet getTable(); DBColumn getColumn(); Object getValue(); void setValue(Object value); @Override void addReferencedColumns(Set<DBColumn> list); @Override void addSQL(StringBuilder buf, long context); final DBColumn column; public Object value; }### Answer:
@Test public void testGetDatabase() { assertEquals(testDB, expr.getDatabase()); }