Examples with JavaScriptAggregatorFactory org.apache.druid.query.aggregation.JavaScriptAggregatorFactory used on opensource projects

Example 6 with JavaScriptAggregatorFactory

use of org.apache.druid.query.aggregation.JavaScriptAggregatorFactory in project druid by druid-io.

the class IncrementalIndexStorageAdapterTest method testObjectColumnSelectorOnVaryingColumnSchema.

@Test
public void testObjectColumnSelectorOnVaryingColumnSchema() throws Exception {
    IncrementalIndex index = indexCreator.createIndex();
    index.add(new MapBasedInputRow(DateTimes.of("2014-09-01T00:00:00"), Collections.singletonList("billy"), ImmutableMap.of("billy", "hi")));
    index.add(new MapBasedInputRow(DateTimes.of("2014-09-01T01:00:00"), Lists.newArrayList("billy", "sally"), ImmutableMap.of("billy", "hip", "sally", "hop")));
    try (CloseableStupidPool<ByteBuffer> pool = new CloseableStupidPool<>("GroupByQueryEngine-bufferPool", () -> ByteBuffer.allocate(50000))) {
        final GroupByQueryEngine engine = new GroupByQueryEngine(Suppliers.ofInstance(new GroupByQueryConfig() {

            @Override
            public int getMaxIntermediateRows() {
                return 5;
            }
        }), pool);
        final Sequence<Row> rows = engine.process(GroupByQuery.builder().setDataSource("test").setGranularity(Granularities.ALL).setInterval(new Interval(DateTimes.EPOCH, DateTimes.nowUtc())).addDimension("billy").addDimension("sally").addAggregator(new LongSumAggregatorFactory("cnt", "cnt")).addAggregator(new JavaScriptAggregatorFactory("fieldLength", Arrays.asList("sally", "billy"), "function(current, s, b) { return current + (s == null ? 0 : s.length) + (b == null ? 0 : b.length); }", "function() { return 0; }", "function(a,b) { return a + b; }", JavaScriptConfig.getEnabledInstance())).build(), new IncrementalIndexStorageAdapter(index));
        final List<Row> results = rows.toList();
        Assert.assertEquals(2, results.size());
        MapBasedRow row = (MapBasedRow) results.get(0);
        Assert.assertEquals(ImmutableMap.of("billy", "hi", "cnt", 1L, "fieldLength", 2.0), row.getEvent());
        row = (MapBasedRow) results.get(1);
        Assert.assertEquals(ImmutableMap.of("billy", "hip", "sally", "hop", "cnt", 1L, "fieldLength", 6.0), row.getEvent());
    }
}

Example 7 with JavaScriptAggregatorFactory

use of org.apache.druid.query.aggregation.JavaScriptAggregatorFactory in project druid by druid-io.

the class ExpressionAggregationBenchmark method setup.

@Setup(Level.Trial)
public void setup() {
    this.closer = Closer.create();
    final GeneratorSchemaInfo schemaInfo = new GeneratorSchemaInfo(ImmutableList.of(GeneratorColumnSchema.makeNormal("x", ValueType.FLOAT, false, 1, 0d, 0d, 10000d, false), GeneratorColumnSchema.makeNormal("y", ValueType.FLOAT, false, 1, 0d, 0d, 10000d, false)), ImmutableList.of(), Intervals.of("2000/P1D"), false);
    final DataSegment dataSegment = DataSegment.builder().dataSource("foo").interval(schemaInfo.getDataInterval()).version("1").shardSpec(new LinearShardSpec(0)).size(0).build();
    final SegmentGenerator segmentGenerator = closer.register(new SegmentGenerator());
    this.index = closer.register(segmentGenerator.generate(dataSegment, schemaInfo, Granularities.NONE, rowsPerSegment));
    this.javaScriptAggregatorFactory = new JavaScriptAggregatorFactory("name", ImmutableList.of("x", "y"), "function(current,x,y) { if (x > 0) { return current + x + 1 } else { return current + y + 1 } }", "function() { return 0 }", "function(a,b) { return a + b }", JavaScriptConfig.getEnabledInstance());
    this.expressionAggregatorFactory = new DoubleSumAggregatorFactory("name", null, "if(x>0,1.0+x,y+1)", TestExprMacroTable.INSTANCE);
}