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Example 76 with RecordCursor

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

the class MinDoubleGroupByFunctionFactoryTest method testNonNull.

@Test
public void testNonNull() throws SqlException {
    compiler.compile("create table tab (f double)", sqlExecutionContext);
    final Rnd rnd = new Rnd();
    try (TableWriter w = engine.getWriter(sqlExecutionContext.getCairoSecurityContext(), "tab", "testing")) {
        for (int i = 100; i > 10; i--) {
            TableWriter.Row r = w.newRow();
            r.putDouble(0, rnd.nextDouble());
            r.append();
        }
        w.commit();
    }
    try (RecordCursorFactory factory = compiler.compile("select min(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(0.0011075139045715332, record.getDouble(0), 0.0001);
        }
    }
}
Also used : TableWriter(io.questdb.cairo.TableWriter) RecordCursorFactory(io.questdb.cairo.sql.RecordCursorFactory) RecordCursor(io.questdb.cairo.sql.RecordCursor) Rnd(io.questdb.std.Rnd) Record(io.questdb.cairo.sql.Record) AbstractGriffinTest(io.questdb.griffin.AbstractGriffinTest) Test(org.junit.Test)

Example 77 with RecordCursor

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

the class MinDoubleGroupByFunctionFactoryTest method testFirstNull.

@Test
public void testFirstNull() throws SqlException {
    compiler.compile("create table tab (f double)", 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.putDouble(0, rnd.nextDouble());
            r.append();
        }
        w.commit();
    }
    try (RecordCursorFactory factory = compiler.compile("select min(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(0.0011075139045715332, record.getDouble(0), 0.0001);
        }
    }
}
Also used : TableWriter(io.questdb.cairo.TableWriter) RecordCursorFactory(io.questdb.cairo.sql.RecordCursorFactory) RecordCursor(io.questdb.cairo.sql.RecordCursor) Rnd(io.questdb.std.Rnd) Record(io.questdb.cairo.sql.Record) AbstractGriffinTest(io.questdb.griffin.AbstractGriffinTest) Test(org.junit.Test)

Example 78 with RecordCursor

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

the class MinDoubleGroupByFunctionFactoryTest method testAllNull.

@Test
public void testAllNull() throws SqlException {
    compiler.compile("create table tab (f double)", 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 min(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.assertTrue(Double.isNaN(record.getDouble(0)));
        }
    }
}
Also used : TableWriter(io.questdb.cairo.TableWriter) RecordCursorFactory(io.questdb.cairo.sql.RecordCursorFactory) RecordCursor(io.questdb.cairo.sql.RecordCursor) Record(io.questdb.cairo.sql.Record) AbstractGriffinTest(io.questdb.griffin.AbstractGriffinTest) Test(org.junit.Test)

Example 79 with RecordCursor

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

the class MinFloatGroupByFunctionFactoryTest method testNonNull.

@Test
public void testNonNull() throws SqlException {
    compiler.compile("create table tab (f float)", sqlExecutionContext);
    final Rnd rnd = new Rnd();
    try (TableWriter w = engine.getWriter(sqlExecutionContext.getCairoSecurityContext(), "tab", "testing")) {
        for (int i = 100; i > 10; i--) {
            TableWriter.Row r = w.newRow();
            r.putFloat(0, rnd.nextFloat());
            r.append();
        }
        w.commit();
    }
    try (RecordCursorFactory factory = compiler.compile("select min(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(0.0011075139045715332, record.getFloat(0), 0.0001);
        }
    }
}
Also used : TableWriter(io.questdb.cairo.TableWriter) RecordCursorFactory(io.questdb.cairo.sql.RecordCursorFactory) RecordCursor(io.questdb.cairo.sql.RecordCursor) Rnd(io.questdb.std.Rnd) Record(io.questdb.cairo.sql.Record) AbstractGriffinTest(io.questdb.griffin.AbstractGriffinTest) Test(org.junit.Test)

Example 80 with RecordCursor

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

the class MinFloatGroupByFunctionFactoryTest method testAllNull.

@Test
public void testAllNull() throws SqlException {
    compiler.compile("create table tab (f float)", 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 min(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.assertTrue(Float.isNaN(record.getFloat(0)));
        }
    }
}
Also used : TableWriter(io.questdb.cairo.TableWriter) RecordCursorFactory(io.questdb.cairo.sql.RecordCursorFactory) RecordCursor(io.questdb.cairo.sql.RecordCursor) Record(io.questdb.cairo.sql.Record) AbstractGriffinTest(io.questdb.griffin.AbstractGriffinTest) Test(org.junit.Test)

Aggregations

RecordCursor (io.questdb.cairo.sql.RecordCursor)174 Test (org.junit.Test)137 Record (io.questdb.cairo.sql.Record)123 RecordCursorFactory (io.questdb.cairo.sql.RecordCursorFactory)108 AbstractGriffinTest (io.questdb.griffin.AbstractGriffinTest)87 TableWriter (io.questdb.cairo.TableWriter)71 Rnd (io.questdb.std.Rnd)29 LPSZ (io.questdb.std.str.LPSZ)10 SqlExecutionContextImpl (io.questdb.griffin.SqlExecutionContextImpl)7 SqlCompiler (io.questdb.griffin.SqlCompiler)6 DateFormat (io.questdb.std.datetime.DateFormat)6 Path (io.questdb.std.str.Path)6 StringSink (io.questdb.std.str.StringSink)6 CountDownLatch (java.util.concurrent.CountDownLatch)5 CyclicBarrier (java.util.concurrent.CyclicBarrier)5 AtomicInteger (java.util.concurrent.atomic.AtomicInteger)5 SqlException (io.questdb.griffin.SqlException)4 BaseConnection (org.postgresql.core.BaseConnection)4 LoopInterruptedCheck (de.invesdwin.util.concurrent.loop.LoopInterruptedCheck)3 Instant (de.invesdwin.util.time.Instant)3