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Example 11 with DeleteStatement

use of herddb.model.commands.DeleteStatement in project herddb by diennea.

the class FlushMemTest method test.

@Test
public void test() throws Exception {
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("0"));
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    String tableUuid = manager.getTableSpaceManager(tableSpace).getTableManager(tableName).getTable().uuid;
    assertEquals(0, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    manager.checkpoint();
    assertNotNull(dataStorageManager.readPage(tableSpaceUUID, tableUuid, 1L));
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        GetResult result = manager.get(new GetStatement(tableSpace, tableName, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertTrue(result.found());
    }
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("5"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // a new page must be allocated, but the first will be dropped, as it does not contain any useful record
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("6"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    {
        Record record = new Record(Bytes.from_string("key1"), Bytes.from_string("7"));
        UpdateStatement st = new UpdateStatement(tableSpace, tableName, record, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // only a new page must be allocated, not two more, but the prev page will be dropped, as it does not contain any useful record
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, Bytes.from_string("key1"), null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
        GetResult result = manager.get(new GetStatement(tableSpace, tableName, Bytes.from_string("key1"), null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        assertFalse(result.found());
    }
    // a delete does not trigger new pages in this case, no more record will lead to no more active page
    manager.checkpoint();
    assertEquals(0, dataStorageManager.getActualNumberOfPages(tableSpace, tableUuid));
    {
        assertEquals(1, manager.executeUpdate(new InsertStatement(tableSpace, tableName, new Record(Bytes.from_string("key2"), Bytes.from_string("50"))), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
        assertEquals(1, manager.executeUpdate(new InsertStatement(tableSpace, tableName, new Record(Bytes.from_string("key3"), Bytes.from_string("60"))), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, Bytes.from_string("key2"), null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    // a new page, containg the key3 record is needed
    manager.checkpoint();
    assertEquals(1, dataStorageManager.getActualNumberOfPages(tableSpaceUUID, tableUuid));
}
Also used : UpdateStatement(herddb.model.commands.UpdateStatement) GetResult(herddb.model.GetResult) GetStatement(herddb.model.commands.GetStatement) Record(herddb.model.Record) DeleteStatement(herddb.model.commands.DeleteStatement) InsertStatement(herddb.model.commands.InsertStatement) Test(org.junit.Test)

Example 12 with DeleteStatement

use of herddb.model.commands.DeleteStatement in project herddb by diennea.

the class SimpleTransactionTest method testInsertDelete.

@Test
public void testInsertDelete() throws Exception {
    Bytes key = Bytes.from_string("key1");
    {
        Record record = new Record(key, Bytes.from_int(0));
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    long tx = beginTransaction();
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, key, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    }
    {
        Record record = new Record(key, Bytes.from_int(1));
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    }
    commitTransaction(tx);
    GetResult get = manager.get(new GetStatement(tableSpace, tableName, key, null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
    assertTrue(get.found());
    assertEquals(Bytes.from_int(1), get.getRecord().value);
}
Also used : Bytes(herddb.utils.Bytes) GetResult(herddb.model.GetResult) TransactionContext(herddb.model.TransactionContext) GetStatement(herddb.model.commands.GetStatement) Record(herddb.model.Record) DeleteStatement(herddb.model.commands.DeleteStatement) InsertStatement(herddb.model.commands.InsertStatement) Test(org.junit.Test)

Example 13 with DeleteStatement

use of herddb.model.commands.DeleteStatement in project herddb by diennea.

the class SimpleTransactionTest method testRollbackInsertUpdateDelete.

@Test
public void testRollbackInsertUpdateDelete() throws Exception {
    Bytes key = Bytes.from_string("key1");
    Record record = new Record(key, Bytes.from_int(0));
    InsertStatement st_insert = new InsertStatement(tableSpace, tableName, record);
    assertEquals(1, manager.executeUpdate(st_insert, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    long tx = beginTransaction();
    Record record2 = new Record(key, Bytes.from_int(1));
    // UPDATE
    UpdateStatement st_update = new UpdateStatement(tableSpace, tableName, record2, null);
    assertEquals(1, manager.executeUpdate(st_update, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    // DELETE
    DeleteStatement st_delete = new DeleteStatement(tableSpace, tableName, key, null);
    assertEquals(1, manager.executeUpdate(st_delete, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    rollbackTransaction(tx);
    GetResult get_after_rollback = manager.get(new GetStatement(tableSpace, tableName, key, null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
    assertTrue(get_after_rollback.found());
    assertEquals(get_after_rollback.getRecord().value, record.value);
}
Also used : Bytes(herddb.utils.Bytes) UpdateStatement(herddb.model.commands.UpdateStatement) GetResult(herddb.model.GetResult) TransactionContext(herddb.model.TransactionContext) GetStatement(herddb.model.commands.GetStatement) Record(herddb.model.Record) DeleteStatement(herddb.model.commands.DeleteStatement) InsertStatement(herddb.model.commands.InsertStatement) Test(org.junit.Test)

Example 14 with DeleteStatement

use of herddb.model.commands.DeleteStatement in project herddb by diennea.

the class SimpleTransactionTest method testInsertThenDelete.

@Test
public void testInsertThenDelete() throws Exception {
    Bytes key = Bytes.from_string("key1");
    long tx = beginTransaction();
    {
        Record record = new Record(key, Bytes.from_int(0));
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    }
    {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, key, null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    }
    commitTransaction(tx);
    GetResult get = manager.get(new GetStatement(tableSpace, tableName, key, null, false), StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
    assertFalse(get.found());
}
Also used : Bytes(herddb.utils.Bytes) GetResult(herddb.model.GetResult) TransactionContext(herddb.model.TransactionContext) GetStatement(herddb.model.commands.GetStatement) Record(herddb.model.Record) DeleteStatement(herddb.model.commands.DeleteStatement) InsertStatement(herddb.model.commands.InsertStatement) Test(org.junit.Test)

Example 15 with DeleteStatement

use of herddb.model.commands.DeleteStatement in project herddb by diennea.

the class ScanTest method testTransaction.

@Test
public void testTransaction() throws Exception {
    for (int i = 0; i < 5; i++) {
        Map<String, Object> data = new HashMap<>();
        data.put("id", "key_" + i);
        data.put("number", i);
        Record record = RecordSerializer.toRecord(data, table);
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION).getUpdateCount());
    }
    BeginTransactionStatement begin = new BeginTransactionStatement(tableSpace);
    long tx = ((TransactionResult) manager.executeStatement(begin, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION)).getTransactionId();
    for (int i = 5; i < 10; i++) {
        Map<String, Object> data = new HashMap<>();
        data.put("id", "key_" + i);
        data.put("number", i);
        Record record = RecordSerializer.toRecord(data, table);
        InsertStatement st = new InsertStatement(tableSpace, tableName, record);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    }
    {
        ScanStatement scan = new ScanStatement(tableSpace, table, new Predicate() {

            @Override
            public boolean evaluate(Record record, StatementEvaluationContext context) throws StatementExecutionException {
                return true;
            }
        });
        DataScanner scanner = manager.scan(scan, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx));
        List<?> result = scanner.consumeAndClose();
        assertEquals(10, result.size());
    }
    for (int i = 0; i < 10; i++) {
        DeleteStatement st = new DeleteStatement(tableSpace, tableName, Bytes.from_string("key_" + i), null);
        assertEquals(1, manager.executeUpdate(st, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx)).getUpdateCount());
    }
    {
        ScanStatement scan = new ScanStatement(tableSpace, table, new Predicate() {

            @Override
            public boolean evaluate(Record record, StatementEvaluationContext context) throws StatementExecutionException {
                return true;
            }
        });
        DataScanner scanner = manager.scan(scan, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), new TransactionContext(tx));
        List<?> result = scanner.consumeAndClose();
        assertEquals(0, result.size());
    }
}
Also used : TransactionResult(herddb.model.TransactionResult) HashMap(java.util.HashMap) DeleteStatement(herddb.model.commands.DeleteStatement) InsertStatement(herddb.model.commands.InsertStatement) Predicate(herddb.model.Predicate) DataScanner(herddb.model.DataScanner) TransactionContext(herddb.model.TransactionContext) BeginTransactionStatement(herddb.model.commands.BeginTransactionStatement) Record(herddb.model.Record) List(java.util.List) StatementEvaluationContext(herddb.model.StatementEvaluationContext) ScanStatement(herddb.model.commands.ScanStatement) Test(org.junit.Test)

Aggregations

DeleteStatement (herddb.model.commands.DeleteStatement)38 InsertStatement (herddb.model.commands.InsertStatement)33 Test (org.junit.Test)30 Record (herddb.model.Record)29 GetResult (herddb.model.GetResult)23 Table (herddb.model.Table)23 GetStatement (herddb.model.commands.GetStatement)23 Bytes (herddb.utils.Bytes)22 TransactionContext (herddb.model.TransactionContext)20 CreateTableStatement (herddb.model.commands.CreateTableStatement)13 UpdateStatement (herddb.model.commands.UpdateStatement)12 CreateTableSpaceStatement (herddb.model.commands.CreateTableSpaceStatement)11 Path (java.nio.file.Path)9 TransactionResult (herddb.model.TransactionResult)8 BeginTransactionStatement (herddb.model.commands.BeginTransactionStatement)8 FileDataStorageManager (herddb.file.FileDataStorageManager)7 DataScanner (herddb.model.DataScanner)7 ServerConfiguration (herddb.server.ServerConfiguration)7 FileCommitLogManager (herddb.file.FileCommitLogManager)6 FileMetadataStorageManager (herddb.file.FileMetadataStorageManager)6