Examples with DataScanner herddb.model.DataScanner used on opensource projects

Example 11 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class RawSQLTest method caseWhenTest.

@Test
public void caseWhenTest() throws Exception {
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new MemoryDataStorageManager(), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        execute(manager, "CREATE TABLE tblspace1.tsql (k1 string primary key,n1 int,s1 string,t1 timestamp)", Collections.emptyList());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1,t1) values(?,?,CURRENT_TIMESTAMP)", Arrays.asList("mykey", Integer.valueOf(1234))).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1,t1) values(?,?,CURRENT_TIMESTAMP)", Arrays.asList("mykey2", Integer.valueOf(1235))).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1,t1) values(?,?,CURRENT_TIMESTAMP)", Arrays.asList("mykey3", Integer.valueOf(1236))).getUpdateCount());
        try (DataScanner scan = scan(manager, "SELECT k1, " + "CASE " + "WHEN k1='mykey'  THEN 'a' " + "WHEN k1='mykey2' THEN 'b' " + "ELSE 'c'  " + "END as mycase " + "FROM tblspace1.tsql " + "ORDER BY k1", Collections.emptyList())) {
            List<DataAccessor> res = scan.consume();
            for (DataAccessor t : res) {
                System.out.println("t:" + t);
            }
            assertEquals(3, res.size());
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey", "mycase", "a"))));
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey2", "mycase", "b"))));
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey3", "mycase", "c"))));
        }
        try (DataScanner scan = scan(manager, "SELECT k1, " + "CASE " + "WHEN k1='mykey'  THEN 'a' " + "WHEN k1='mykey2' THEN 'b' " + "END as mycase " + "FROM tblspace1.tsql " + "ORDER BY k1", Collections.emptyList())) {
            List<DataAccessor> res = scan.consume();
            for (DataAccessor t : res) {
                System.out.println("t:" + t);
            }
            assertEquals(3, res.size());
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey", "mycase", "a"))));
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey2", "mycase", "b"))));
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey3", "mycase", null))));
        }
        try (DataScanner scan = scan(manager, "SELECT k1, " + "SUM(CASE " + "WHEN k1='mykey'  THEN 1 " + "WHEN k1='mykey2' THEN 2 " + "ELSE 3  " + "END) as mysum " + "FROM tblspace1.tsql " + "GROUP BY k1", Collections.emptyList())) {
            List<DataAccessor> res = scan.consume();
            for (DataAccessor t : res) {
                System.out.println("t2:" + t);
            }
            assertEquals(3, res.size());
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey", "mysum", 1L))));
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey2", "mysum", 2L))));
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("k1", "mykey3", "mysum", 3L))));
        }
        try (DataScanner scan = scan(manager, "SELECT " + "SUM(CASE " + "WHEN k1='mykey'  THEN 1 " + "WHEN k1='mykey2' THEN 2 " + "ELSE 3  " + "END) as mysum " + "FROM tblspace1.tsql " + "", Collections.emptyList())) {
            List<DataAccessor> res = scan.consume();
            for (DataAccessor t : res) {
                System.out.println("t:" + t);
            }
            assertEquals(1, res.size());
            assertTrue(res.stream().anyMatch(t -> t.toMap().equals(MapUtils.map("mysum", 6L))));
        }
    }
}

Example 12 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class RawSQLTest method indexSeek.

@Test
public void indexSeek() throws Exception {
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new MemoryDataStorageManager(), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        execute(manager, "CREATE TABLE tblspace1.tsql (k1 string primary key,n1 int,s1 string)", Collections.emptyList());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1) values(?,?)", Arrays.asList("mykey", Integer.valueOf(1234))).getUpdateCount());
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, " SELECT k1 as theKey,'one' as theStringConstant,3  LongConstant" + " FROM tblspace1.tsql" + " where k1 ='mykey'", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexSeek);
            try (DataScanner scan1 = ((ScanResult) manager.executePlan(translated.plan, translated.context, TransactionContext.NO_TRANSACTION)).dataScanner) {
                List<DataAccessor> records = scan1.consume();
                assertEquals(1, records.size());
                assertEquals(3, records.get(0).getFieldNames().length);
                assertEquals(3, records.get(0).toMap().size());
                assertEquals("thekey", records.get(0).getFieldNames()[0].toLowerCase());
                assertEquals(RawString.of("mykey"), records.get(0).get("theKey"));
                assertEquals("thestringconstant", records.get(0).getFieldNames()[1].toLowerCase());
                assertEquals(RawString.of("one"), records.get(0).get("theStringConstant"));
                assertEquals("longconstant", records.get(0).getFieldNames()[2].toLowerCase());
                assertEquals(3L, ((Number) records.get(0).get("LongConstant")).longValue());
            }
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 as theKey,'one' as theStringConstant,3  LongConstant FROM tblspace1.tsql where k1 = 'mykey_no'", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translate1.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexSeek);
            try (DataScanner scan1 = manager.scan(scan, translate1.context, TransactionContext.NO_TRANSACTION)) {
                assertTrue(scan1.consume().isEmpty());
            }
        }
        {
            TranslatedQuery translate1 = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 as theKey,'one' as theStringConstant,3  LongConstant FROM tblspace1.tsql where k1 = 'mykey' and n1<>1234", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translate1.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexSeek);
            try (DataScanner scan1 = manager.scan(scan, translate1.context, TransactionContext.NO_TRANSACTION)) {
                assertTrue(scan1.consume().isEmpty());
            }
        }
    }
}

Example 13 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class RawSQLTest method simpleMinMaxTimestampTest.

@Test
public void simpleMinMaxTimestampTest() throws Exception {
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new MemoryDataStorageManager(), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        execute(manager, "CREATE TABLE tblspace1.tsql (k1 string primary key,n1 int,s1 string, t1 timestamp)", Collections.emptyList());
        java.sql.Timestamp time1 = new java.sql.Timestamp(System.currentTimeMillis());
        java.sql.Timestamp time2 = new java.sql.Timestamp(time1.getTime() + 60000);
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1,s1,t1) values(?,?,?,?)", Arrays.asList("mykey", Integer.valueOf(1), "a", time1)).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1,s1,t1) values(?,?,?,?)", Arrays.asList("mykey2", Integer.valueOf(2), "a", time2)).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1,s1,t1) values(?,?,?,?)", Arrays.asList("mykey3", Integer.valueOf(5), "b", time1)).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1) values(?)", Arrays.asList("mykey4")).getUpdateCount());
        {
            try (DataScanner scan1 = scan(manager, "SELECT MIN(t1) as mi, MAX(t1) as ma FROM tblspace1.tsql", Collections.emptyList())) {
                List<DataAccessor> result = scan1.consume();
                assertEquals(1, result.size());
                assertEquals(time1, result.get(0).get(0));
                assertEquals(time1, result.get(0).get("mi"));
                assertEquals(time2, result.get(0).get(1));
                assertEquals(time2, result.get(0).get("ma"));
            }
        }
    }
}

Example 14 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class RawSQLTest method scalarFunctionTest.

@Test
public void scalarFunctionTest() throws Exception {
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new MemoryDataStorageManager(), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        execute(manager, "CREATE TABLE tblspace1.tsql (k1 string primary key,n1 int,s1 string)", Collections.emptyList());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1) values(?,?)", Arrays.asList("mykey", Integer.valueOf(1))).getUpdateCount());
        {
            try (DataScanner scan1 = scan(manager, "SELECT lower(k1) as low, upper(k1) as up, k1 FROM tblspace1.tsql", Collections.emptyList())) {
                List<DataAccessor> result = scan1.consume();
                assertEquals(1, result.size());
                assertEquals(RawString.of("mykey"), result.get(0).get(0));
                assertEquals(RawString.of("MYKEY"), result.get(0).get(1));
                assertEquals(RawString.of("mykey"), result.get(0).get(2));
            }
        }
    }
}

Example 15 with DataScanner

use of herddb.model.DataScanner in project herddb by diennea.

the class RawSQLTest method multiInsert.

@Test
public void multiInsert() throws Exception {
    String nodeId = "localhost";
    try (DBManager manager = new DBManager("localhost", new MemoryMetadataStorageManager(), new MemoryDataStorageManager(), new MemoryCommitLogManager(), null, null)) {
        manager.start();
        CreateTableSpaceStatement st1 = new CreateTableSpaceStatement("tblspace1", Collections.singleton(nodeId), nodeId, 1, 0, 0);
        manager.executeStatement(st1, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        manager.waitForTablespace("tblspace1", 10000);
        execute(manager, "CREATE TABLE tblspace1.tsql (k1 string primary key,n1 int,s1 string,t1 timestamp)", Collections.emptyList());
        java.sql.Timestamp tt1 = new java.sql.Timestamp(System.currentTimeMillis());
        java.sql.Timestamp tt2 = new java.sql.Timestamp(System.currentTimeMillis() + 60000);
        assertEquals(2, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1,t1) values(?,?,?),(?,?,?)", Arrays.asList("mykey", Integer.valueOf(1234), tt1, "mykey2", Integer.valueOf(1235), tt2)).getUpdateCount());
        try (DataScanner scan = scan(manager, "SELECT k1,n1,t1 FROM tblspace1.tsql ORDER BY n1 desc", Collections.emptyList())) {
            List<DataAccessor> res = scan.consume();
            assertEquals(RawString.of("mykey2"), res.get(0).get("k1"));
            assertEquals(RawString.of("mykey"), res.get(1).get("k1"));
            assertEquals(Integer.valueOf(1235), res.get(0).get("n1"));
            assertEquals(Integer.valueOf(1234), res.get(1).get("n1"));
            assertEquals(tt2, res.get(0).get("t1"));
            assertEquals(tt1, res.get(1).get("t1"));
        }
        execute(manager, "CREATE TABLE tblspace1.tsql2 (a1 integer auto_increment primary key, k1 string ,n1 int,s1 string,t1 timestamp)", Collections.emptyList());
        assertEquals(2, executeUpdate(manager, "INSERT INTO tblspace1.tsql2(k1,n1,t1) values(?,?,?),(?,?,?)", Arrays.asList("mykey", Integer.valueOf(1234), tt1, "mykey2", Integer.valueOf(1235), tt2)).getUpdateCount());
        try (DataScanner scan = scan(manager, "SELECT a1,k1,n1,t1 FROM tblspace1.tsql2 ORDER BY n1 desc", Collections.emptyList())) {
            List<DataAccessor> res = scan.consume();
            assertEquals(RawString.of("mykey2"), res.get(0).get("k1"));
            assertEquals(RawString.of("mykey"), res.get(1).get("k1"));
            assertEquals(Integer.valueOf(1235), res.get(0).get("n1"));
            assertEquals(Integer.valueOf(1234), res.get(1).get("n1"));
            assertEquals(tt2, res.get(0).get("t1"));
            assertEquals(tt1, res.get(1).get("t1"));
            assertEquals(2, res.get(0).get("a1"));
            assertEquals(1, res.get(1).get("a1"));
        }
        // auto-transaction
        execute(manager, "CREATE TABLE tblspace1.tsql3 (a1 integer auto_increment primary key, k1 string ,n1 int,s1 string,t1 timestamp)", Collections.emptyList());
        DMLStatementExecutionResult resInsert = executeUpdate(manager, "INSERT INTO tblspace1.tsql3(k1,n1,t1) values(?,?,?),(?,?,?)", Arrays.asList("mykey", Integer.valueOf(1234), tt1, "mykey2", Integer.valueOf(1235), tt2), TransactionContext.AUTOTRANSACTION_TRANSACTION);
        assertEquals(2, resInsert.getUpdateCount());
        assertTrue(resInsert.transactionId > 0);
        try (DataScanner scan = scan(manager, "SELECT a1,k1,n1,t1 FROM tblspace1.tsql3 ORDER BY n1 desc", Collections.emptyList(), 0, new TransactionContext(resInsert.transactionId))) {
            List<DataAccessor> res = scan.consume();
            assertEquals(RawString.of("mykey2"), res.get(0).get("k1"));
            assertEquals(RawString.of("mykey"), res.get(1).get("k1"));
            assertEquals(Integer.valueOf(1235), res.get(0).get("n1"));
            assertEquals(Integer.valueOf(1234), res.get(1).get("n1"));
            assertEquals(tt2, res.get(0).get("t1"));
            assertEquals(tt1, res.get(1).get("t1"));
            assertEquals(2, res.get(0).get("a1"));
            assertEquals(1, res.get(1).get("a1"));
        }
    }
}