org.apache.spark.sql.types.MapType Java Examples
The following examples show how to use
org.apache.spark.sql.types.MapType.
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Example #1
Source File: AvroWithSparkSchemaVisitor.java From iceberg with Apache License 2.0 | 6 votes |
public static <T> T visit(DataType type, Schema schema, AvroWithSparkSchemaVisitor<T> visitor) { switch (schema.getType()) { case RECORD: Preconditions.checkArgument(type instanceof StructType, "Invalid struct: %s is not a struct", type); return visitRecord((StructType) type, schema, visitor); case UNION: return visitUnion(type, schema, visitor); case ARRAY: return visitArray(type, schema, visitor); case MAP: Preconditions.checkArgument(type instanceof MapType, "Invalid map: %s is not a map", type); MapType map = (MapType) type; Preconditions.checkArgument(map.keyType() instanceof StringType, "Invalid map: %s is not a string", map.keyType()); return visitor.map(map, schema, visit(map.valueType(), schema.getValueType(), visitor)); default: return visitor.primitive(type, schema); } }
Example #2
Source File: AvroWithSparkSchemaVisitor.java From iceberg with Apache License 2.0 | 6 votes |
private static <T> T visitArray(DataType type, Schema array, AvroWithSparkSchemaVisitor<T> visitor) { if (array.getLogicalType() instanceof LogicalMap || type instanceof MapType) { Preconditions.checkState( AvroSchemaUtil.isKeyValueSchema(array.getElementType()), "Cannot visit invalid logical map type: %s", array); Preconditions.checkArgument(type instanceof MapType, "Invalid map: %s is not a map", type); MapType map = (MapType) type; List<Schema.Field> keyValueFields = array.getElementType().getFields(); return visitor.map(map, array, visit(map.keyType(), keyValueFields.get(0).schema(), visitor), visit(map.valueType(), keyValueFields.get(1).schema(), visitor)); } else { Preconditions.checkArgument(type instanceof ArrayType, "Invalid array: %s is not an array", type); ArrayType list = (ArrayType) type; return visitor.array(list, array, visit(list.elementType(), array.getElementType(), visitor)); } }
Example #3
Source File: TestHelpers.java From iceberg with Apache License 2.0 | 6 votes |
private static void assertEqualsSafe(Types.MapType map, Map<?, ?> expected, Map<?, ?> actual) { Type keyType = map.keyType(); Type valueType = map.valueType(); for (Object expectedKey : expected.keySet()) { Object matchingKey = null; for (Object actualKey : actual.keySet()) { try { assertEqualsSafe(keyType, expectedKey, actualKey); matchingKey = actualKey; } catch (AssertionError e) { // failed } } Assert.assertNotNull("Should have a matching key", matchingKey); assertEqualsSafe(valueType, expected.get(expectedKey), actual.get(matchingKey)); } }
Example #4
Source File: TestHelpers.java From iceberg with Apache License 2.0 | 6 votes |
private static void assertEqualsUnsafe(Types.MapType map, Map<?, ?> expected, MapData actual) { Type keyType = map.keyType(); Type valueType = map.valueType(); List<Map.Entry<?, ?>> expectedElements = Lists.newArrayList(expected.entrySet()); ArrayData actualKeys = actual.keyArray(); ArrayData actualValues = actual.valueArray(); for (int i = 0; i < expectedElements.size(); i += 1) { Map.Entry<?, ?> expectedPair = expectedElements.get(i); Object actualKey = actualKeys.get(i, convert(keyType)); Object actualValue = actualValues.get(i, convert(keyType)); assertEqualsUnsafe(keyType, expectedPair.getKey(), actualKey); assertEqualsUnsafe(valueType, expectedPair.getValue(), actualValue); } }
Example #5
Source File: TestHelpers.java From iceberg with Apache License 2.0 | 6 votes |
private static void assertEquals(String context, MapType map, MapData expected, MapData actual) { Assert.assertEquals("Should have the same number of elements", expected.numElements(), actual.numElements()); DataType keyType = map.keyType(); ArrayData expectedKeys = expected.keyArray(); ArrayData expectedValues = expected.valueArray(); DataType valueType = map.valueType(); ArrayData actualKeys = actual.keyArray(); ArrayData actualValues = actual.valueArray(); for (int i = 0; i < actual.numElements(); i += 1) { assertEquals(context + ".key", keyType, expectedKeys.get(i, keyType), actualKeys.get(i, keyType)); assertEquals(context + ".value", valueType, expectedValues.get(i, valueType), actualValues.get(i, valueType)); } }
Example #6
Source File: SparkTypeVisitor.java From iceberg with Apache License 2.0 | 5 votes |
static <T> T visit(DataType type, SparkTypeVisitor<T> visitor) { if (type instanceof StructType) { StructField[] fields = ((StructType) type).fields(); List<T> fieldResults = Lists.newArrayListWithExpectedSize(fields.length); for (StructField field : fields) { fieldResults.add(visitor.field( field, visit(field.dataType(), visitor))); } return visitor.struct((StructType) type, fieldResults); } else if (type instanceof MapType) { return visitor.map((MapType) type, visit(((MapType) type).keyType(), visitor), visit(((MapType) type).valueType(), visitor)); } else if (type instanceof ArrayType) { return visitor.array( (ArrayType) type, visit(((ArrayType) type).elementType(), visitor)); } else if (type instanceof UserDefinedType) { throw new UnsupportedOperationException( "User-defined types are not supported"); } else { return visitor.atomic(type); } }
Example #7
Source File: StructInternalRow.java From iceberg with Apache License 2.0 | 5 votes |
@Override @SuppressWarnings("checkstyle:CyclomaticComplexity") public Object get(int ordinal, DataType dataType) { if (dataType instanceof IntegerType) { return getInt(ordinal); } else if (dataType instanceof LongType) { return getLong(ordinal); } else if (dataType instanceof StringType) { return getUTF8String(ordinal); } else if (dataType instanceof FloatType) { return getFloat(ordinal); } else if (dataType instanceof DoubleType) { return getDouble(ordinal); } else if (dataType instanceof DecimalType) { DecimalType decimalType = (DecimalType) dataType; return getDecimal(ordinal, decimalType.precision(), decimalType.scale()); } else if (dataType instanceof BinaryType) { return getBinary(ordinal); } else if (dataType instanceof StructType) { return getStruct(ordinal, ((StructType) dataType).size()); } else if (dataType instanceof ArrayType) { return getArray(ordinal); } else if (dataType instanceof MapType) { return getMap(ordinal); } else if (dataType instanceof BooleanType) { return getBoolean(ordinal); } else if (dataType instanceof ByteType) { return getByte(ordinal); } else if (dataType instanceof ShortType) { return getShort(ordinal); } return null; }
Example #8
Source File: StructInternalRow.java From iceberg with Apache License 2.0 | 5 votes |
private MapData mapToMapData(Types.MapType mapType, Map<?, ?> map) { // make a defensive copy to ensure entries do not change List<Map.Entry<?, ?>> entries = ImmutableList.copyOf(map.entrySet()); return new ArrayBasedMapData( collectionToArrayData(mapType.keyType(), Lists.transform(entries, Map.Entry::getKey)), collectionToArrayData(mapType.valueType(), Lists.transform(entries, Map.Entry::getValue))); }
Example #9
Source File: TestHelpers.java From iceberg with Apache License 2.0 | 5 votes |
private static void assertEquals(String context, DataType type, Object expected, Object actual) { if (expected == null && actual == null) { return; } if (type instanceof StructType) { Assert.assertTrue("Expected should be an InternalRow: " + context, expected instanceof InternalRow); Assert.assertTrue("Actual should be an InternalRow: " + context, actual instanceof InternalRow); assertEquals(context, (StructType) type, (InternalRow) expected, (InternalRow) actual); } else if (type instanceof ArrayType) { Assert.assertTrue("Expected should be an ArrayData: " + context, expected instanceof ArrayData); Assert.assertTrue("Actual should be an ArrayData: " + context, actual instanceof ArrayData); assertEquals(context, (ArrayType) type, (ArrayData) expected, (ArrayData) actual); } else if (type instanceof MapType) { Assert.assertTrue("Expected should be a MapData: " + context, expected instanceof MapData); Assert.assertTrue("Actual should be a MapData: " + context, actual instanceof MapData); assertEquals(context, (MapType) type, (MapData) expected, (MapData) actual); } else if (type instanceof BinaryType) { assertEqualBytes(context, (byte[]) expected, (byte[]) actual); } else { Assert.assertEquals("Value should match expected: " + context, expected, actual); } }
Example #10
Source File: SparkTypeVisitor.java From iceberg with Apache License 2.0 | 5 votes |
static <T> T visit(DataType type, SparkTypeVisitor<T> visitor) { if (type instanceof StructType) { StructField[] fields = ((StructType) type).fields(); List<T> fieldResults = Lists.newArrayListWithExpectedSize(fields.length); for (StructField field : fields) { fieldResults.add(visitor.field( field, visit(field.dataType(), visitor))); } return visitor.struct((StructType) type, fieldResults); } else if (type instanceof MapType) { return visitor.map((MapType) type, visit(((MapType) type).keyType(), visitor), visit(((MapType) type).valueType(), visitor)); } else if (type instanceof ArrayType) { return visitor.array( (ArrayType) type, visit(((ArrayType) type).elementType(), visitor)); } else if (type instanceof UserDefinedType){ throw new UnsupportedOperationException( "User-defined types are not supported"); } else { return visitor.atomic(type); } }
Example #11
Source File: TestHelpers.java From iceberg with Apache License 2.0 | 4 votes |
private static void assertEqualsMaps(String prefix, Types.MapType type, MapData expected, Map<?, ?> actual) { if (expected == null || actual == null) { Assert.assertEquals(prefix, expected, actual); } else { Type keyType = type.keyType(); Type valueType = type.valueType(); ArrayData expectedKeyArray = expected.keyArray(); ArrayData expectedValueArray = expected.valueArray(); Assert.assertEquals(prefix + " length", expected.numElements(), actual.size()); for (int e = 0; e < expected.numElements(); ++e) { Object expectedKey = getValue(expectedKeyArray, e, keyType); Object actualValue = actual.get(expectedKey); if (actualValue == null) { Assert.assertEquals(prefix + ".key=" + expectedKey + " has null", true, expected.valueArray().isNullAt(e)); } else { switch (valueType.typeId()) { case BOOLEAN: case INTEGER: case LONG: case FLOAT: case DOUBLE: case STRING: case DECIMAL: case DATE: case TIMESTAMP: Assert.assertEquals(prefix + ".key=" + expectedKey + " - " + valueType, getValue(expectedValueArray, e, valueType), actual.get(expectedKey)); break; case UUID: case FIXED: case BINARY: assertEqualBytes(prefix + ".key=" + expectedKey, (byte[]) getValue(expectedValueArray, e, valueType), (byte[]) actual.get(expectedKey)); break; case STRUCT: { Types.StructType st = (Types.StructType) valueType; assertEquals(prefix + ".key=" + expectedKey, st, expectedValueArray.getStruct(e, st.fields().size()), (Row) actual.get(expectedKey)); break; } case LIST: assertEqualsLists(prefix + ".key=" + expectedKey, valueType.asListType(), expectedValueArray.getArray(e), toList((Seq<?>) actual.get(expectedKey))); break; case MAP: assertEqualsMaps(prefix + ".key=" + expectedKey, valueType.asMapType(), expectedValueArray.getMap(e), toJavaMap((scala.collection.Map<?, ?>) actual.get(expectedKey))); break; default: throw new IllegalArgumentException("Unhandled type " + valueType); } } } } }
Example #12
Source File: JsonSchema.java From sylph with Apache License 2.0 | 4 votes |
public Row deserialize(byte[] messageKey, byte[] message, String topic, int partition, long offset) throws IOException { @SuppressWarnings("unchecked") Map<String, Object> map = MAPPER.readValue(message, Map.class); String[] names = rowTypeInfo.names(); Object[] values = new Object[names.length]; for (int i = 0; i < names.length; i++) { String key = names[i]; switch (key) { case "_topic": values[i] = topic; continue; case "_message": values[i] = new String(message, UTF_8); continue; case "_key": values[i] = new String(messageKey, UTF_8); continue; case "_partition": values[i] = partition; continue; case "_offset": values[i] = offset; continue; } Object value = map.get(key); if (value == null) { continue; } DataType type = rowTypeInfo.apply(i).dataType(); if (type instanceof MapType && ((MapType) type).valueType() == DataTypes.StringType) { scala.collection.mutable.Map convertValue = new scala.collection.mutable.HashMap(); //必须是scala的map for (Map.Entry entry : ((Map<?, ?>) value).entrySet()) { convertValue.put(entry.getKey(), entry.getValue() == null ? null : entry.getValue().toString()); } values[i] = convertValue; } else if (value instanceof ArrayType) { //Class<?> aClass = type.getTypeClass(); //values[i] = MAPPER.convertValue(value, aClass); //todo: Spark List to Array values[i] = value; } else if (type == DataTypes.LongType) { values[i] = ((Number) value).longValue(); } else { values[i] = value; } } return new GenericRowWithSchema(values, rowTypeInfo); }
Example #13
Source File: JsonSchema.java From sylph with Apache License 2.0 | 4 votes |
public Row deserialize(byte[] messageKey, byte[] message, String topic, int partition, long offset) throws IOException { @SuppressWarnings("unchecked") Map<String, Object> map = MAPPER.readValue(message, Map.class); String[] names = rowTypeInfo.names(); Object[] values = new Object[names.length]; for (int i = 0; i < names.length; i++) { String key = names[i]; switch (key) { case "_topic": values[i] = topic; continue; case "_message": values[i] = new String(message, UTF_8); continue; case "_key": values[i] = new String(messageKey, UTF_8); continue; case "_partition": values[i] = partition; continue; case "_offset": values[i] = offset; continue; } Object value = map.get(key); if (value == null) { continue; } DataType type = rowTypeInfo.apply(i).dataType(); if (type instanceof MapType && ((MapType) type).valueType() == DataTypes.StringType) { scala.collection.mutable.Map convertValue = new scala.collection.mutable.HashMap(); //必须是scala的map for (Map.Entry entry : ((Map<?, ?>) value).entrySet()) { convertValue.put(entry.getKey(), entry.getValue() == null ? null : entry.getValue().toString()); } values[i] = convertValue; } else if (value instanceof ArrayType) { //Class<?> aClass = type.getTypeClass(); //values[i] = MAPPER.convertValue(value, aClass); //todo: Spark List to Array values[i] = value; } else if (type == DataTypes.LongType) { values[i] = ((Number) value).longValue(); } else { values[i] = value; } } return new GenericRow(values); }
Example #14
Source File: AvroUtils.java From envelope with Apache License 2.0 | 4 votes |
private static Schema typeFor(DataType dataType, boolean isOptional, int recordCount) { LOG.trace("Converting {} to Avro, optional[{}]", dataType, isOptional); Schema typeSchema; SchemaBuilder.BaseTypeBuilder<Schema> typeBuilder = SchemaBuilder.builder(); switch (dataType.typeName()) { case "binary": // bytes typeSchema = typeBuilder.bytesType(); break; case "boolean": typeSchema = typeBuilder.booleanType(); break; case "date": // int (logical) typeSchema = LogicalTypes.date().addToSchema(typeBuilder.intType()); break; case "timestamp": // long (logical) typeSchema = LogicalTypes.timestampMillis().addToSchema(typeBuilder.longType()); break; case "double": typeSchema = typeBuilder.doubleType(); break; case "float": typeSchema = typeBuilder.floatType(); break; case "integer": case "byte": case "short": typeSchema = typeBuilder.intType(); break; case "long": typeSchema = typeBuilder.longType(); break; case "null": typeSchema = typeBuilder.nullType(); break; case "string": typeSchema = typeBuilder.stringType(); break; case "array": ArrayType arrayType = (ArrayType) dataType; typeSchema = typeBuilder.array().items(typeFor(arrayType.elementType(), arrayType.containsNull(), recordCount)); break; case "map": MapType mapType = (MapType) dataType; // Keys must be strings: mapType.keyType() typeSchema = typeBuilder.map().values(typeFor(mapType.valueType(), mapType.valueContainsNull(), recordCount)); break; case "struct": StructType structType = (StructType) dataType; // Nested "anonymous" records typeSchema = schemaFor(structType, null, null, recordCount); break; default: if (dataType.typeName().startsWith("decimal")) { // byte (logical) DecimalType decimalType = (DecimalType) dataType; typeSchema = LogicalTypes.decimal(decimalType.precision(), decimalType.scale()).addToSchema(typeBuilder.bytesType()); } else { throw new RuntimeException(String.format("DataType[%s] - DataType unrecognized or not yet implemented", dataType)); } } if (isOptional && !typeSchema.getType().equals(NULL)) { return SchemaBuilder.builder().nullable().type(typeSchema); } return typeSchema; }
Example #15
Source File: MapStreamReader.java From spliceengine with GNU Affero General Public License v3.0 | 4 votes |
@Override public ColumnVector readBlock(DataType type, ColumnVector vector) throws IOException { MapType mapType = (MapType)type; if (!rowGroupOpen) { openRowGroup(); } if (readOffset > 0) { if (presentStream != null) { // skip ahead the present bit reader, but count the set bits // and use this as the skip size for the data reader readOffset = presentStream.countBitsSet(readOffset); } if (readOffset > 0) { if (lengthStream == null) { throw new OrcCorruptionException("Value is not null but data stream is not present"); } long entrySkipSize = lengthStream.sum(readOffset); keyStreamReader.prepareNextRead(toIntExact(entrySkipSize)); valueStreamReader.prepareNextRead(toIntExact(entrySkipSize)); } } // The length vector could be reused, but this simplifies the code below by // taking advantage of null entries being initialized to zero. The vector // could be reinitialized for each loop, but that is likely just as expensive // as allocating a new array int[] lengthVector = new int[nextBatchSize]; boolean[] nullVector = new boolean[nextBatchSize]; if (presentStream == null) { if (lengthStream == null) { throw new OrcCorruptionException("Value is not null but data stream is not present"); } lengthStream.nextIntVector(nextBatchSize, lengthVector); } else { int nullValues = presentStream.getUnsetBits(nextBatchSize, nullVector); if (nullValues != nextBatchSize) { if (lengthStream == null) { throw new OrcCorruptionException("Value is not null but data stream is not present"); } lengthStream.nextIntVector(nextBatchSize, lengthVector, nullVector); } else { // All Nulls // iterate over structs } } int entryCount = 0; for (int length : lengthVector) { entryCount += length; } /* //Convert map to array if (entryCount > 0) { keyStreamReader.prepareNextRead(entryCount); valueStreamReader.prepareNextRead(entryCount); keys = keyStreamReader.readBlock(keyType); values = valueStreamReader.readBlock(valueType); } else { keys = keyType.createBlockBuilder(new BlockBuilderStatus(), 0).build(); values = valueType.createBlockBuilder(new BlockBuilderStatus(), 1).build(); } InterleavedBlock keyValueBlock = createKeyValueBlock(nextBatchSize, keys, values, lengthVector); // convert lengths into offsets into the keyValueBlock (e.g., two positions per entry) int[] offsets = new int[nextBatchSize + 1]; for (int i = 1; i < offsets.length; i++) { int length = lengthVector[i - 1] * 2; offsets[i] = offsets[i - 1] + length; } ArrayBlock arrayBlock = new ArrayBlock(nextBatchSize, nullVector, offsets, keyValueBlock); readOffset = 0; nextBatchSize = 0; */ return vector; }