Examples with ReaderOutOfDateException io.questdb.cairo.sql.ReaderOutOfDateException used on opensource projects

Example 6 with ReaderOutOfDateException

use of io.questdb.cairo.sql.ReaderOutOfDateException in project questdb by bluestreak01.

the class TruncateTest method testDropColumnWithCachedPlan.

private void testDropColumnWithCachedPlan() throws Exception {
    assertMemoryLeak(() -> {
        compiler.compile("create table y as (" + "select timestamp_sequence(0, 1000000000) timestamp," + " rnd_symbol('a','b',null) symbol1 " + " from long_sequence(10)" + ") timestamp (timestamp)", sqlExecutionContext);
        try (RecordCursorFactory factory = compiler.compile("select * from y", sqlExecutionContext).getRecordCursorFactory()) {
            try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
                sink.clear();
                TestUtils.printCursor(cursor, factory.getMetadata(), true, sink, printer);
            }
            compiler.compile("alter table y drop column symbol1", sqlExecutionContext);
            try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
                TestUtils.printCursor(cursor, factory.getMetadata(), true, sink, printer);
                Assert.fail();
            } catch (ReaderOutOfDateException e) {
                TestUtils.assertContains(e.getFlyweightMessage(), "cannot be used because table schema has changed [table='y']");
            }
        }
    });
}