Package io.airlift.tpch

Examples of io.airlift.tpch.LineItemGenerator

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    }

    public static Page createInputPage()
    {
        PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(DOUBLE, DOUBLE, VARCHAR, BIGINT));
        LineItemGenerator lineItemGenerator = new LineItemGenerator(1, 1, 1);
        Iterator<LineItem> iterator = lineItemGenerator.iterator();
        for (int i = 0; i < 10_000; i++) {
            LineItem lineItem = iterator.next();
            DOUBLE.writeDouble(pageBuilder.getBlockBuilder(EXTENDED_PRICE), lineItem.getExtendedPrice());
            DOUBLE.writeDouble(pageBuilder.getBlockBuilder(DISCOUNT), lineItem.getDiscount());
            VARCHAR.writeSlice(pageBuilder.getBlockBuilder(SHIP_DATE), Slices.utf8Slice(lineItem.getShipDate()));
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    }

    public static Page createInputPage()
    {
        PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(DOUBLE, DOUBLE, VARCHAR, BIGINT));
        LineItemGenerator lineItemGenerator = new LineItemGenerator(1, 1, 1);
        Iterator<LineItem> iterator = lineItemGenerator.iterator();
        for (int i = 0; i < 10_000; i++) {
            LineItem lineItem = iterator.next();
            DOUBLE.writeDouble(pageBuilder.getBlockBuilder(EXTENDED_PRICE), lineItem.getExtendedPrice());
            DOUBLE.writeDouble(pageBuilder.getBlockBuilder(DISCOUNT), lineItem.getDiscount());
            VARCHAR.writeSlice(pageBuilder.getBlockBuilder(SHIP_DATE), Slices.utf8Slice(lineItem.getShipDate()));
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        Object row = objectInspector.create();

        List<StructField> fields = ImmutableList.copyOf(objectInspector.getAllStructFieldRefs());

        for (LineItem lineItem : new LineItemGenerator(1, 1, 1)) {
            objectInspector.setStructFieldData(row, fields.get(0), lineItem.getOrderKey());
            objectInspector.setStructFieldData(row, fields.get(1), lineItem.getPartKey());
            objectInspector.setStructFieldData(row, fields.get(2), lineItem.getSupplierKey());
            objectInspector.setStructFieldData(row, fields.get(3), lineItem.getLineNumber());
            objectInspector.setStructFieldData(row, fields.get(4), lineItem.getQuantity());
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