Examples with SubstringDimExtractionFn org.apache.druid.query.extraction.SubstringDimExtractionFn used on opensource projects

Example 21 with SubstringDimExtractionFn

use of org.apache.druid.query.extraction.SubstringDimExtractionFn in project druid by druid-io.

the class CalciteJoinQueryTest method testInnerJoinQueryOfLookup.

@Test
@Parameters(source = QueryContextForJoinProvider.class)
public void testInnerJoinQueryOfLookup(Map<String, Object> queryContext) throws Exception {
    // Cannot vectorize the subquery.
    cannotVectorize();
    testQuery("SELECT dim1, dim2, t1.v, t1.v\n" + "FROM foo\n" + "INNER JOIN \n" + "  (SELECT SUBSTRING(k, 1, 1) k, LATEST(v, 10) v FROM lookup.lookyloo GROUP BY 1) t1\n" + "  ON foo.dim2 = t1.k", queryContext, ImmutableList.of(newScanQueryBuilder().dataSource(join(new TableDataSource(CalciteTests.DATASOURCE1), new QueryDataSource(GroupByQuery.builder().setDataSource(new LookupDataSource("lookyloo")).setInterval(querySegmentSpec(Filtration.eternity())).setGranularity(Granularities.ALL).setDimensions(new ExtractionDimensionSpec("k", "d0", new SubstringDimExtractionFn(0, 1))).setAggregatorSpecs(new StringLastAggregatorFactory("a0", "v", null, 10)).build()), "j0.", equalsCondition(makeColumnExpression("dim2"), makeColumnExpression("j0.d0")), JoinType.INNER)).intervals(querySegmentSpec(Filtration.eternity())).columns("dim1", "dim2", "j0.a0").context(queryContext).build()), ImmutableList.of(new Object[] { "", "a", "xabc", "xabc" }, new Object[] { "1", "a", "xabc", "xabc" }));
}