Examples with TranslatedQuery herddb.sql.TranslatedQuery used on opensource projects

Example 86 with TranslatedQuery

use of herddb.sql.TranslatedQuery in project herddb by diennea.

the class TestUtils method scanKeepReadLocks.

public static DataScanner scanKeepReadLocks(DBManager manager, String query, List<Object> parameters, TransactionContext transactionContext) throws StatementExecutionException {
    TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, query, parameters, true, true, false, -1);
    translated.context.setForceRetainReadLock(true);
    return ((ScanResult) manager.executePlan(translated.plan, translated.context, transactionContext)).dataScanner;
}

Example 87 with TranslatedQuery

use of herddb.sql.TranslatedQuery in project herddb by diennea.

the class IndexScanRangeTest method noIndexOperation.

private void noIndexOperation(String indexType) 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);
        Table table = Table.builder().tablespace("tblspace1").name("t1").column("id", ColumnTypes.STRING).column("n1", ColumnTypes.INTEGER).column("n2", ColumnTypes.INTEGER).column("name", ColumnTypes.STRING).primaryKey("id").build();
        CreateTableStatement st2 = new CreateTableStatement(table);
        manager.executeStatement(st2, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        Index index = Index.builder().onTable(table).type(indexType).column("n1", ColumnTypes.INTEGER).build();
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('a',1,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('b',2,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('c',2,5,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('d',2,5,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('e',3,5,'n2')", Collections.emptyList());
        // create index, it will be built using existing data
        CreateIndexStatement st3 = new CreateIndexStatement(index);
        manager.executeStatement(st3, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM tblspace1.t1 WHERE n1<n2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            System.out.println("indexOperation:" + scan.getPredicate().getIndexOperation());
            assertNull(scan.getPredicate().getIndexOperation());
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(5, scan1.consume().size());
            }
        }
    }
}

Example 88 with TranslatedQuery

use of herddb.sql.TranslatedQuery in project herddb by diennea.

the class IndexScanRangeTest method secondaryIndexPrefixScan.

private void secondaryIndexPrefixScan(String indexType) 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);
        Table table = Table.builder().tablespace("tblspace1").name("t1").column("id", ColumnTypes.STRING).column("n1", ColumnTypes.INTEGER).column("n2", ColumnTypes.INTEGER).column("name", ColumnTypes.STRING).primaryKey("id").build();
        CreateTableStatement st2 = new CreateTableStatement(table);
        manager.executeStatement(st2, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        Index index = Index.builder().onTable(table).type(indexType).column("n1", ColumnTypes.INTEGER).column("n2", ColumnTypes.INTEGER).build();
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('a',1,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('b',2,5,'n1')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('c',2,5,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('d',2,5,'n2')", Collections.emptyList());
        TestUtils.executeUpdate(manager, "INSERT INTO tblspace1.t1(id,n1,n2,name) values('e',3,5,'n2')", Collections.emptyList());
        // create index, it will be built using existing data
        CreateIndexStatement st3 = new CreateIndexStatement(index);
        manager.executeStatement(st3, StatementEvaluationContext.DEFAULT_EVALUATION_CONTEXT(), TransactionContext.NO_TRANSACTION);
        {
            TranslatedQuery translated = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT * FROM tblspace1.t1 WHERE n1=2", Collections.emptyList(), true, true, false, -1);
            ScanStatement scan = translated.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof SecondaryIndexPrefixScan);
            try (DataScanner scan1 = manager.scan(scan, translated.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(3, scan1.consume().size());
            }
        }
    }
}

Example 89 with TranslatedQuery

use of herddb.sql.TranslatedQuery in project herddb by diennea.

the class SimpleIndexAccessTest method multipleColumnPrimaryKeyPrefixScanTest.

@Test
public void multipleColumnPrimaryKeyPrefixScanTest() 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," + "n1 int," + "s1 string, " + "primary key (k1,n1)" + ")", Collections.emptyList());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1) values(?,?)", Arrays.asList("mykey", Integer.valueOf(1234))).getUpdateCount());
        assertEquals(1, executeUpdate(manager, "INSERT INTO tblspace1.tsql(k1,n1) values(?,?)", Arrays.asList("mykey", Integer.valueOf(1235))).getUpdateCount());
        {
            TranslatedQuery translate = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 as theKey,'one' as theStringConstant,3  LongConstant FROM tblspace1.tsql where k1 = ?", Arrays.asList("mykey"), true, true, false, -1);
            ScanStatement scan = translate.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexPrefixScan);
            try (DataScanner scan1 = manager.scan(scan, translate.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(2, scan1.consume().size());
            }
        }
        {
            TranslatedQuery translate = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 as theKey,'one' as theStringConstant,3  LongConstant FROM tblspace1.tsql where k1 = ? and n1 <> 1235", Arrays.asList("mykey"), true, true, false, -1);
            ScanStatement scan = translate.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexPrefixScan);
            try (DataScanner scan1 = manager.scan(scan, translate.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(1, scan1.consume().size());
            }
        }
        {
            TranslatedQuery translate = manager.getPlanner().translate(TableSpace.DEFAULT, "SELECT k1 as theKey,'one' as theStringConstant,3  LongConstant FROM tblspace1.tsql where k1 = ? and n1 = 1235", Arrays.asList("mykey"), true, true, false, -1);
            ScanStatement scan = translate.plan.mainStatement.unwrap(ScanStatement.class);
            assertTrue(scan.getPredicate().getIndexOperation() instanceof PrimaryIndexSeek);
            try (DataScanner scan1 = manager.scan(scan, translate.context, TransactionContext.NO_TRANSACTION)) {
                assertEquals(1, scan1.consume().size());
            }
        }
    }
}

Example 90 with TranslatedQuery

use of herddb.sql.TranslatedQuery in project herddb by diennea.

the class ServerSideConnectionPeer method executeScan.

public ScanResultSet executeScan(String tableSpace, String query, boolean usePreparedStatement, List<Object> parameters, long txId, int maxRows, int fetchSize, boolean keepReadLocks) throws HDBException {
    if (query == null) {
        throw new HDBException("bad query null");
    }
    parameters = PduCodec.normalizeParametersList(parameters);
    try {
        TranslatedQuery translatedQuery = server.getManager().getPlanner().translate(tableSpace, query, parameters, true, true, false, maxRows);
        translatedQuery.context.setForceRetainReadLock(keepReadLocks);
        if (LOGGER.isLoggable(Level.FINEST)) {
            LOGGER.log(Level.FINEST, "{0} -> {1}", new Object[] { query, translatedQuery.plan.mainStatement });
        }
        TransactionContext transactionContext = new TransactionContext(txId);
        if (translatedQuery.plan.mainStatement instanceof SQLPlannedOperationStatement || translatedQuery.plan.mainStatement instanceof ScanStatement) {
            ScanResult scanResult = (ScanResult) server.getManager().executePlan(translatedQuery.plan, translatedQuery.context, transactionContext);
            DataScanner dataScanner = scanResult.dataScanner;
            return new LocalClientScanResultSetImpl(dataScanner);
        } else {
            throw new HDBException("unsupported query type for scan " + query + ": PLAN is " + translatedQuery.plan);
        }
    } catch (HerdDBInternalException err) {
        if (err.getCause() != null && err.getCause() instanceof ValidationException) {
            // no stacktraces for bad queries
            LOGGER.log(Level.FINE, "SQL error on scanner: " + err);
        } else {
            LOGGER.log(Level.SEVERE, "error on scanner: " + err, err);
        }
        throw new HDBException(err);
    }
}