Examples with MinMaxIndex io.hetu.core.plugin.heuristicindex.index.minmax.MinMaxIndex used on opensource projects

Example 1 with MinMaxIndex

use of io.hetu.core.plugin.heuristicindex.index.minmax.MinMaxIndex in project hetu-core by openlookeng.

the class TestHeuristicIndexFilter method setup.

@BeforeClass
public void setup() throws IOException {
    try (TempFolder folder = new TempFolder()) {
        folder.create();
        File testFile = folder.newFile();
        bloomIndex1 = new BloomIndex();
        bloomIndex1.setExpectedNumOfEntries(2);
        bloomIndex1.addValues(Collections.singletonList(new Pair<>("testColumn", ImmutableList.of("a", "b"))));
        try (FileOutputStream fo = new FileOutputStream(testFile)) {
            bloomIndex1.serialize(fo);
        }
        try (FileInputStream fi = new FileInputStream(testFile)) {
            bloomIndex1.deserialize(fi);
        }
        bloomIndex2 = new BloomIndex();
        bloomIndex2.setExpectedNumOfEntries(2);
        bloomIndex2.addValues(Collections.singletonList(new Pair<>("testColumn", ImmutableList.of("c", "d"))));
        try (FileOutputStream fo = new FileOutputStream(testFile)) {
            bloomIndex2.serialize(fo);
        }
        try (FileInputStream fi = new FileInputStream(testFile)) {
            bloomIndex2.deserialize(fi);
        }
        minMaxIndex1 = new MinMaxIndex();
        minMaxIndex1.addValues(Collections.singletonList(new Pair<>("testColumn", ImmutableList.of(1L, 5L, 10L))));
        minMaxIndex2 = new MinMaxIndex();
        minMaxIndex2.addValues(Collections.singletonList(new Pair<>("testColumn", ImmutableList.of(50L, 80L, 100L))));
    }
}