Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.RecordSet.cursor()

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    {
        RecordSet recordSet = new JdbcRecordSet(jdbcClient, split, ImmutableList.of(
                columnHandles.get("text"),
                columnHandles.get("value")));

        try (RecordCursor cursor = recordSet.cursor()) {
            assertEquals(cursor.getType(0), VARCHAR);
            assertEquals(cursor.getType(1), BIGINT);

            Map<String, Long> data = new LinkedHashMap<>();
            while (cursor.advanceNextPosition()) {
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        RecordSet recordSet = new JdbcRecordSet(jdbcClient, split, ImmutableList.of(
                columnHandles.get("value"),
                columnHandles.get("value"),
                columnHandles.get("text")));

        try (RecordCursor cursor = recordSet.cursor()) {
            assertEquals(cursor.getType(0), BIGINT);
            assertEquals(cursor.getType(1), BIGINT);
            assertEquals(cursor.getType(2), VARCHAR);

            Map<String, Long> data = new LinkedHashMap<>();
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    {
        JdbcRecordSetProvider recordSetProvider = new JdbcRecordSetProvider(jdbcClient);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, ImmutableList.of(textColumn, valueColumn));
        assertNotNull(recordSet, "recordSet is null");

        RecordCursor cursor = recordSet.cursor();
        assertNotNull(cursor, "cursor is null");

        Map<String, Long> data = new LinkedHashMap<>();
        while (cursor.advanceNextPosition()) {
            data.put(cursor.getSlice(0).toStringUtf8(), cursor.getLong(1));
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        JdbcSplit split = (JdbcSplit) Iterables.getOnlyElement(splits.getNextBatch(1000));

        JdbcRecordSetProvider recordSetProvider = new JdbcRecordSetProvider(jdbcClient);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, columns);

        return recordSet.cursor();
    }
}
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    {
        TableHandle table = getTableHandle(tableUnpartitioned);
        PartitionResult partitionResult = splitManager.getPartitions(table, TupleDomain.all());
        Split split = Iterables.getFirst(getAllSplits(splitManager.getPartitionSplits(table, partitionResult.getPartitions())), null);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, ImmutableList.of(invalidColumnHandle));
        recordSet.cursor();
    }

    @Test
    public void testViewsAreNotSupported()
            throws Exception
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    {
        TableHandle table = getTableHandle(tableUnpartitioned);
        PartitionResult partitionResult = splitManager.getPartitions(table, TupleDomain.all());
        Split split = Iterables.getFirst(getAllSplits(splitManager.getPartitionSplits(table, partitionResult.getPartitions())), null);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, ImmutableList.of(invalidColumnHandle));
        recordSet.cursor();
    }

    @Test
    public void testViewsAreNotSupported()
            throws Exception
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    {
        ConnectorTableHandle table = getTableHandle(tableUnpartitioned);
        ConnectorPartitionResult partitionResult = splitManager.getPartitions(table, TupleDomain.<ConnectorColumnHandle>all());
        ConnectorSplit split = Iterables.getFirst(getAllSplits(splitManager.getPartitionSplits(table, partitionResult.getPartitions())), null);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, ImmutableList.of(invalidColumnHandle));
        recordSet.cursor();
    }

    @Test
    public void testHiveViewsAreNotSupported()
            throws Exception
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    {
        TableHandle table = getTableHandle(tableUnpartitioned);
        List<Partition> partitions = splitManager.getPartitions(table, ImmutableMap.<ColumnHandle, Object>of());
        Split split = Iterables.getFirst(splitManager.getPartitionSplits(table, partitions), null);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, ImmutableList.of(invalidColumnHandle));
        recordSet.cursor();
    }

    @Test
    public void testViewsAreNotSupported()
            throws Exception
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    {
        ConnectorTableHandle table = getTableHandle(tableUnpartitioned);
        ConnectorPartitionResult partitionResult = splitManager.getPartitions(table, TupleDomain.<ConnectorColumnHandle>all());
        ConnectorSplit split = Iterables.getFirst(getAllSplits(splitManager.getPartitionSplits(table, partitionResult.getPartitions())), null);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, ImmutableList.of(invalidColumnHandle));
        recordSet.cursor();
    }

    @Test
    public void testViewsAreNotSupported()
            throws Exception
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    {
        TableHandle table = getTableHandle(tableUnpartitioned);
        List<Partition> partitions = splitManager.getPartitions(table, ImmutableMap.<ColumnHandle, Object>of());
        Split split = Iterables.getFirst(splitManager.getPartitionSplits(table, partitions), null);
        RecordSet recordSet = recordSetProvider.getRecordSet(split, ImmutableList.of(invalidColumnHandle));
        recordSet.cursor();
    }

    @Test
    public void testViewsAreNotSupported()
            throws Exception
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