Package com.facebook.presto.operator.scalar.JsonExtract

Examples of com.facebook.presto.operator.scalar.JsonExtract.ArrayElementJsonExtractor

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    @Test
    public void testArrayElementJsonExtractor()
            throws Exception
    {
        ArrayElementJsonExtractor firstExtractor = new ArrayElementJsonExtractor(0, new ScalarValueJsonExtractor());
        ArrayElementJsonExtractor secondExtractor = new ArrayElementJsonExtractor(1, new ScalarValueJsonExtractor());

        assertEquals(doExtract(firstExtractor, "[]"), null);
        assertEquals(doExtract(firstExtractor, "[1, 2, 3]"), "1");
        assertEquals(doExtract(secondExtractor, "[1, 2]"), "2");
        assertEquals(doExtract(secondExtractor, "[1, null]"), null);
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    @Test
    public void testArrayElementJsonExtractor()
            throws Exception
    {
        ArrayElementJsonExtractor firstExtractor = new ArrayElementJsonExtractor(0, new ScalarValueJsonExtractor());
        ArrayElementJsonExtractor secondExtractor = new ArrayElementJsonExtractor(1, new ScalarValueJsonExtractor());

        assertEquals(doExtract(firstExtractor, "[]"), null);
        assertEquals(doExtract(firstExtractor, "[1, 2, 3]"), "1");
        assertEquals(doExtract(secondExtractor, "[1, 2]"), "2");
        assertEquals(doExtract(secondExtractor, "[1, null]"), null);
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Related Classes of com.facebook.presto.operator.scalar.JsonExtract.ArrayElementJsonExtractor

  • com.facebook.presto.operator.scalar.TestJsonExtract
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