Examples with Path io.questdb.std.str.Path used on opensource projects

Example 26 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class SymbolMapTest method testReadEmptySymbolMap.

@Test
public void testReadEmptySymbolMap() throws Exception {
    TestUtils.assertMemoryLeak(() -> {
        int N = 10000;
        try (Path path = new Path().of(configuration.getRoot())) {
            create(path, "x", N, true);
            try (SymbolMapReaderImpl reader = new SymbolMapReaderImpl(configuration, path, "x", 0)) {
                Assert.assertEquals(N, reader.getSymbolCapacity());
                Assert.assertNull(reader.valueOf(-1));
                Assert.assertEquals(SymbolTable.VALUE_IS_NULL, reader.keyOf(null));
            }
        }
    });
}

Example 27 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class SymbolMapTest method testRollback.

@Test
public void testRollback() throws Exception {
    TestUtils.assertMemoryLeak(() -> {
        int N = 1024;
        try (Path path = new Path().of(configuration.getRoot())) {
            create(path, "x", N, true);
            try (SymbolMapWriter writer = new SymbolMapWriter(configuration, path, "x", 0, -1, NOOP_COLLECTOR)) {
                Rnd rnd = new Rnd();
                long prev = -1L;
                for (int i = 0; i < N; i++) {
                    CharSequence cs = rnd.nextChars(10);
                    long key = writer.put(cs);
                    Assert.assertEquals(prev + 1, key);
                    Assert.assertEquals(key, writer.put(cs));
                    prev = key;
                }
                writer.rollback(N / 2);
                prev = N / 2 - 1;
                for (int i = 0; i < N; i++) {
                    CharSequence cs = rnd.nextChars(10);
                    long key = writer.put(cs);
                    Assert.assertEquals(prev + 1, key);
                    Assert.assertEquals(key, writer.put(cs));
                    prev = key;
                }
            }
        }
    });
}

Example 28 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class SymbolMapTest method testAppend.

@Test
public void testAppend() throws Exception {
    TestUtils.assertMemoryLeak(() -> {
        int N = 1000;
        try (Path path = new Path().of(configuration.getRoot())) {
            create(path, "x", N, true);
            Rnd rnd = new Rnd();
            try (SymbolMapWriter writer = new SymbolMapWriter(configuration, path, "x", 0, -1, NOOP_COLLECTOR)) {
                long prev = -1L;
                for (int i = 0; i < N; i++) {
                    CharSequence cs = rnd.nextChars(10);
                    long key = writer.put(cs);
                    Assert.assertEquals(prev + 1, key);
                    Assert.assertEquals(key, writer.put(cs));
                    prev = key;
                }
            }
            try (SymbolMapWriter writer = new SymbolMapWriter(configuration, path, "x", N, -1, NOOP_COLLECTOR)) {
                long prev = N - 1;
                // append second batch and check that symbol keys start with N
                for (int i = 0; i < N; i++) {
                    CharSequence cs = rnd.nextChars(10);
                    long key = writer.put(cs);
                    Assert.assertEquals(prev + 1, key);
                    Assert.assertEquals(key, writer.put(cs));
                    prev = key;
                }
                // try append first batch - this should return symbol keys starting with 0
                rnd.reset();
                prev = -1;
                for (int i = 0; i < N; i++) {
                    CharSequence cs = rnd.nextChars(10);
                    long key = writer.put(cs);
                    Assert.assertEquals(prev + 1, key);
                    prev = key;
                }
                Assert.assertEquals(SymbolTable.VALUE_IS_NULL, writer.put(null));
            }
        }
    });
}

Example 29 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class TxnScoreboardTest method testCrawl.

@Test
public void testCrawl() throws Exception {
    TestUtils.assertMemoryLeak(() -> {
        try (final Path shmPath = new Path()) {
            try (final TxnScoreboard scoreboard = new TxnScoreboard(FilesFacadeImpl.INSTANCE, shmPath.of(root), 1024)) {
                for (int i = 0; i < 1500; i++) {
                    scoreboard.acquireTxn(i);
                    scoreboard.releaseTxn(i);
                }
                Assert.assertEquals(1499, scoreboard.getMin());
                // increase scoreboard size
                try (final TxnScoreboard scoreboard2 = new TxnScoreboard(FilesFacadeImpl.INSTANCE, shmPath.of(root), 2048)) {
                    Assert.assertEquals(1499, scoreboard2.getMin());
                    for (int i = 1500; i < 3000; i++) {
                        scoreboard2.acquireTxn(i);
                        scoreboard2.releaseTxn(i);
                    }
                    Assert.assertEquals(2999, scoreboard2.getMin());
                    Assert.assertEquals(2999, scoreboard.getMin());
                }
            }
        }
    });
}

Example 30 with Path

use of io.questdb.std.str.Path in project questdb by bluestreak01.

the class TxnScoreboardTest method testDoesNotCleanOnNonExclusiveOpen.

@Test
public void testDoesNotCleanOnNonExclusiveOpen() throws Exception {
    TestUtils.assertMemoryLeak(() -> {
        try (final Path shmPath = new Path()) {
            try (final TxnScoreboard rootBoard = new TxnScoreboard(FilesFacadeImpl.INSTANCE, shmPath.of(root), 2048)) {
                try (final TxnScoreboard scoreboard = new TxnScoreboard(FilesFacadeImpl.INSTANCE, shmPath.of(root), 1024)) {
                    for (int i = 0; i < 1500; i++) {
                        scoreboard.acquireTxn(i);
                        scoreboard.releaseTxn(i);
                    }
                    Assert.assertEquals(1499, scoreboard.getMin());
                }
                try (final TxnScoreboard scoreboard2 = new TxnScoreboard(FilesFacadeImpl.INSTANCE, shmPath.of(root), 2048)) {
                    Assert.assertEquals(1499, scoreboard2.getMin());
                    for (int i = 1500; i < 3000; i++) {
                        scoreboard2.acquireTxn(i);
                        scoreboard2.releaseTxn(i);
                    }
                    Assert.assertEquals(2999, scoreboard2.getMin());
                }
                Assert.assertEquals(2999, rootBoard.getMin());
            }
        }
    });
}