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

Example 81 with RecordCursorFactory

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

the class LastDateGroupByFunctionFactoryTest method testAllNull.

@Test
public void testAllNull() throws SqlException {
    compiler.compile("create table tab (f date)", sqlExecutionContext);
    try (TableWriter w = engine.getWriter(sqlExecutionContext.getCairoSecurityContext(), "tab", "testing")) {
        for (int i = 100; i > 10; i--) {
            TableWriter.Row r = w.newRow();
            r.append();
        }
        w.commit();
    }
    try (RecordCursorFactory factory = compiler.compile("select last(f) from tab", sqlExecutionContext).getRecordCursorFactory()) {
        try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
            Record record = cursor.getRecord();
            Assert.assertEquals(1, cursor.size());
            Assert.assertTrue(cursor.hasNext());
            Assert.assertEquals(Numbers.LONG_NaN, record.getLong(0));
        }
    }
}

Example 82 with RecordCursorFactory

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

the class PrefixedClassCatalogueFunctionFactoryTest method testLeakAfterIncompleteFetch.

@Test
public void testLeakAfterIncompleteFetch() throws Exception {
    assertMemoryLeak(() -> {
        sink.clear();
        try (RecordCursorFactory factory = compiler.compile("select * from pg_catalog.pg_class", sqlExecutionContext).getRecordCursorFactory()) {
            try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
                printer.print(cursor, factory.getMetadata(), true, sink);
                TestUtils.assertEquals("relname\trelnamespace\trelkind\trelowner\toid\trelpartbound\n" + "pg_class\t11\tr\t0\t1259\t\n", sink);
                compiler.compile("create table xyz (a int)", sqlExecutionContext);
                engine.clear();
                cursor.toTop();
                Assert.assertTrue(cursor.hasNext());
                Assert.assertTrue(cursor.hasNext());
                Assert.assertFalse(cursor.hasNext());
                try (Path path = new Path()) {
                    path.of(configuration.getRoot());
                    path.concat("test").$();
                    Assert.assertEquals(0, FilesFacadeImpl.INSTANCE.mkdirs(path, 0));
                }
                compiler.compile("create table abc (b double)", sqlExecutionContext);
                cursor.toTop();
                Assert.assertTrue(cursor.hasNext());
                compiler.compile("drop table abc;", sqlExecutionContext);
                cursor.toTop();
                Assert.assertTrue(cursor.hasNext());
            }
        }
    });
}

Example 83 with RecordCursorFactory

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

the class FirstLongGroupByFunctionFactoryTest method testAllNull.

@Test
public void testAllNull() throws SqlException {
    compiler.compile("create table tab (f long)", sqlExecutionContext);
    try (TableWriter w = engine.getWriter(sqlExecutionContext.getCairoSecurityContext(), "tab", "testing")) {
        for (int i = 100; i > 10; i--) {
            TableWriter.Row r = w.newRow();
            r.append();
        }
        w.commit();
    }
    try (RecordCursorFactory factory = compiler.compile("select first(f) from tab", sqlExecutionContext).getRecordCursorFactory()) {
        try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
            Record record = cursor.getRecord();
            Assert.assertEquals(1, cursor.size());
            Assert.assertTrue(cursor.hasNext());
            Assert.assertEquals(Numbers.LONG_NaN, record.getLong(0));
        }
    }
}

Example 84 with RecordCursorFactory

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

the class FirstLongGroupByFunctionFactoryTest method testFirstNull.

@Test
public void testFirstNull() throws SqlException {
    compiler.compile("create table tab (f long)", sqlExecutionContext);
    final Rnd rnd = new Rnd();
    try (TableWriter w = engine.getWriter(sqlExecutionContext.getCairoSecurityContext(), "tab", "testing")) {
        TableWriter.Row r = w.newRow();
        r.append();
        for (int i = 100; i > 10; i--) {
            r = w.newRow();
            r.putLong(0, rnd.nextLong());
            r.append();
        }
        w.commit();
    }
    try (RecordCursorFactory factory = compiler.compile("select first(f) from tab", sqlExecutionContext).getRecordCursorFactory()) {
        try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
            Record record = cursor.getRecord();
            Assert.assertEquals(1, cursor.size());
            Assert.assertTrue(cursor.hasNext());
            Assert.assertEquals(Numbers.LONG_NaN, record.getLong(0));
        }
    }
}

Example 85 with RecordCursorFactory

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

the class FirstTimestampGroupByFunctionFactoryTest method testAllNull.

@Test
public void testAllNull() throws SqlException {
    compiler.compile("create table tab (f timestamp)", sqlExecutionContext);
    try (TableWriter w = engine.getWriter(sqlExecutionContext.getCairoSecurityContext(), "tab", "testing")) {
        for (int i = 100; i > 10; i--) {
            TableWriter.Row r = w.newRow();
            r.append();
        }
        w.commit();
    }
    try (RecordCursorFactory factory = compiler.compile("select first(f) from tab", sqlExecutionContext).getRecordCursorFactory()) {
        try (RecordCursor cursor = factory.getCursor(sqlExecutionContext)) {
            Record record = cursor.getRecord();
            Assert.assertEquals(1, cursor.size());
            Assert.assertTrue(cursor.hasNext());
            Assert.assertEquals(Numbers.LONG_NaN, record.getTimestamp(0));
        }
    }
}