Examples with FilterPredicate org.apache.parquet.filter2.predicate.FilterPredicate used on opensource projects

Example 1 with FilterPredicate

use of org.apache.parquet.filter2.predicate.FilterPredicate in project hive by apache.

the class TestParquetRecordReaderWrapper method testBuilder.

@Test
public void testBuilder() throws Exception {
    SearchArgument sarg = SearchArgumentFactory.newBuilder().startNot().startOr().isNull("x", PredicateLeaf.Type.LONG).between("y", PredicateLeaf.Type.LONG, 10L, 20L).in("z", PredicateLeaf.Type.LONG, 1L, 2L, 3L).nullSafeEquals("a", PredicateLeaf.Type.STRING, "stinger").end().end().build();
    MessageType schema = MessageTypeParser.parseMessageType("message test {" + " optional int32 x; required int32 y; required int32 z;" + " optional binary a;}");
    FilterPredicate p = ParquetFilterPredicateConverter.toFilterPredicate(sarg, schema);
    String expected = "and(and(and(not(eq(x, null)), not(and(lteq(y, 20), not(lt(y, 10))))), not(or(or(eq(z, 1), " + "eq(z, 2)), eq(z, 3)))), not(eq(a, Binary{\"stinger\"})))";
    assertEquals(expected, p.toString());
}

Example 2 with FilterPredicate

use of org.apache.parquet.filter2.predicate.FilterPredicate in project hive by apache.

the class TestParquetRecordReaderWrapper method testBuilderFloat.

@Test
public void testBuilderFloat() throws Exception {
    SearchArgument sarg = SearchArgumentFactory.newBuilder().startAnd().lessThan("x", PredicateLeaf.Type.LONG, 22L).lessThan("x1", PredicateLeaf.Type.LONG, 22L).lessThanEquals("y", PredicateLeaf.Type.STRING, new HiveChar("hi", 10).toString()).equals("z", PredicateLeaf.Type.FLOAT, new Double(0.22)).equals("z1", PredicateLeaf.Type.FLOAT, new Double(0.22)).end().build();
    MessageType schema = MessageTypeParser.parseMessageType("message test {" + " required int32 x; required int32 x1;" + " required binary y; required float z; required float z1;}");
    FilterPredicate p = ParquetFilterPredicateConverter.toFilterPredicate(sarg, schema);
    String expected = "and(and(and(and(lt(x, 22), lt(x1, 22))," + " lteq(y, Binary{\"hi        \"})), eq(z, " + "0.22)), eq(z1, 0.22))";
    assertEquals(expected, p.toString());
}

Example 3 with FilterPredicate

use of org.apache.parquet.filter2.predicate.FilterPredicate in project hive by apache.

the class FilterPredicateLeafBuilder method buildPredicate.

/**
 * Build filter predicate with multiple constants
 *
 * @param op         IN or BETWEEN
 * @param literals
 * @param columnName
 * @return
 */
public FilterPredicate buildPredicate(PredicateLeaf.Operator op, List<Object> literals, String columnName) throws Exception {
    FilterPredicate result = null;
    switch(op) {
        case IN:
            for (Object literal : literals) {
                if (result == null) {
                    result = buildPredict(PredicateLeaf.Operator.EQUALS, literal, columnName);
                } else {
                    result = or(result, buildPredict(PredicateLeaf.Operator.EQUALS, literal, columnName));
                }
            }
            return result;
        case BETWEEN:
            if (literals.size() != 2) {
                throw new RuntimeException("Not able to build 'between' operation filter with " + literals + " which needs two literals");
            }
            Object min = literals.get(0);
            Object max = literals.get(1);
            FilterPredicate lt = not(buildPredict(PredicateLeaf.Operator.LESS_THAN, min, columnName));
            FilterPredicate gt = buildPredict(PredicateLeaf.Operator.LESS_THAN_EQUALS, max, columnName);
            result = FilterApi.and(gt, lt);
            return result;
        default:
            throw new RuntimeException("Unknown PredicateLeaf Operator type: " + op);
    }
}

Example 4 with FilterPredicate

use of org.apache.parquet.filter2.predicate.FilterPredicate in project parquet-mr by apache.

the class ParquetLoader method setInput.

private void setInput(String location, Job job) throws IOException {
    this.setLocationHasBeenCalled = true;
    this.location = location;
    setInputPaths(job, location);
    // not file metadata or pig framework and would get overwritten in initSchema().
    if (UDFContext.getUDFContext().isFrontend()) {
        storeInUDFContext(PARQUET_COLUMN_INDEX_ACCESS, Boolean.toString(columnIndexAccess));
    }
    schema = PigSchemaConverter.parsePigSchema(getPropertyFromUDFContext(PARQUET_PIG_SCHEMA));
    requiredFieldList = PigSchemaConverter.deserializeRequiredFieldList(getPropertyFromUDFContext(PARQUET_PIG_REQUIRED_FIELDS));
    columnIndexAccess = Boolean.parseBoolean(getPropertyFromUDFContext(PARQUET_COLUMN_INDEX_ACCESS));
    initSchema(job);
    if (UDFContext.getUDFContext().isFrontend()) {
        // Setting for task-side loading via initSchema()
        storeInUDFContext(PARQUET_PIG_SCHEMA, pigSchemaToString(schema));
        storeInUDFContext(PARQUET_PIG_REQUIRED_FIELDS, serializeRequiredFieldList(requiredFieldList));
    }
    // Used by task-side loader via TupleReadSupport
    getConfiguration(job).set(PARQUET_PIG_SCHEMA, pigSchemaToString(schema));
    getConfiguration(job).set(PARQUET_PIG_REQUIRED_FIELDS, serializeRequiredFieldList(requiredFieldList));
    getConfiguration(job).set(PARQUET_COLUMN_INDEX_ACCESS, Boolean.toString(columnIndexAccess));
    FilterPredicate filterPredicate = (FilterPredicate) getFromUDFContext(ParquetInputFormat.FILTER_PREDICATE);
    if (filterPredicate != null) {
        ParquetInputFormat.setFilterPredicate(getConfiguration(job), filterPredicate);
    }
}

Example 5 with FilterPredicate

use of org.apache.parquet.filter2.predicate.FilterPredicate in project parquet-mr by apache.

the class TestFilterApiMethods method testSerializable.

@Test
public void testSerializable() throws Exception {
    BinaryColumn binary = binaryColumn("foo");
    FilterPredicate p = and(or(and(userDefined(intColumn, DummyUdp.class), predicate), eq(binary, Binary.fromString("hi"))), userDefined(longColumn, new IsMultipleOf(7)));
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(p);
    oos.close();
    ObjectInputStream is = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
    FilterPredicate read = (FilterPredicate) is.readObject();
    assertEquals(p, read);
}