Examples with StructTypeInfo org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo used on opensource projects

Example 71 with StructTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo in project hive by apache.

the class HiveSchemaConverter method convertStructType.

// An optional group containing multiple elements
private static GroupType convertStructType(final String name, final StructTypeInfo typeInfo, final Configuration conf) {
    final List<String> columnNames = typeInfo.getAllStructFieldNames();
    final List<TypeInfo> columnTypes = typeInfo.getAllStructFieldTypeInfos();
    GroupType groupType = Types.optionalGroup().addFields(convertTypes(columnNames, columnTypes, conf)).named(name);
    return groupType;
}

Example 72 with StructTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo in project hive by apache.

the class ParquetHiveSerDe method initialize.

@Override
public void initialize(Configuration configuration, Properties tableProperties, Properties partitionProperties) throws SerDeException {
    super.initialize(configuration, tableProperties, partitionProperties);
    // Create row related objects
    StructTypeInfo completeTypeInfo = (StructTypeInfo) TypeInfoFactory.getStructTypeInfo(getColumnNames(), getColumnTypes());
    StructTypeInfo prunedTypeInfo = null;
    if (this.configuration.isPresent()) {
        String rawPrunedColumnPaths = this.configuration.get().get(ColumnProjectionUtils.READ_NESTED_COLUMN_PATH_CONF_STR);
        if (rawPrunedColumnPaths != null) {
            List<String> prunedColumnPaths = processRawPrunedPaths(rawPrunedColumnPaths);
            prunedTypeInfo = pruneFromPaths(completeTypeInfo, prunedColumnPaths);
        }
    }
    this.objInspector = new ArrayWritableObjectInspector(completeTypeInfo, prunedTypeInfo);
}

Example 73 with StructTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo in project hive by apache.

the class OrcSerde method initialize.

@Override
public void initialize(Configuration configuration, Properties tableProperties, Properties partitionProperties) throws SerDeException {
    super.initialize(configuration, tableProperties, partitionProperties);
    StructTypeInfo rootType = new StructTypeInfo();
    // The source column names for ORC serde that will be used in the schema.
    rootType.setAllStructFieldNames(getColumnNames());
    rootType.setAllStructFieldTypeInfos(getColumnTypes());
    inspector = OrcStruct.createObjectInspector(rootType);
}

Example 74 with StructTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo in project hive by apache.

the class ExprNodeConverter method visitFieldAccess.

/**
 * TODO: Handle 1) cast 2), Windowing Agg Call
 */
@Override
public /*
   * Handles expr like struct(key,value).key
   * Follows same rules as TypeCheckProcFactory::getXpathOrFuncExprNodeDesc()
   * which is equivalent version of parsing such an expression from AST
   */
ExprNodeDesc visitFieldAccess(RexFieldAccess fieldAccess) {
    ExprNodeDesc parent = fieldAccess.getReferenceExpr().accept(this);
    String child = fieldAccess.getField().getName();
    TypeInfo parentType = parent.getTypeInfo();
    // Allow accessing a field of list element structs directly from a list
    boolean isList = (parentType.getCategory() == ObjectInspector.Category.LIST);
    if (isList) {
        parentType = ((ListTypeInfo) parentType).getListElementTypeInfo();
    }
    TypeInfo t = ((StructTypeInfo) parentType).getStructFieldTypeInfo(child);
    return new ExprNodeFieldDesc(t, parent, child, isList);
}

Example 75 with StructTypeInfo

use of org.apache.hadoop.hive.serde2.typeinfo.StructTypeInfo in project hive by apache.

the class VectorVerifyFast method serializeWrite.

public static void serializeWrite(SerializeWrite serializeWrite, TypeInfo typeInfo, Object object) throws IOException {
    if (object == null) {
        serializeWrite.writeNull();
        return;
    }
    switch(typeInfo.getCategory()) {
        case PRIMITIVE:
            {
                PrimitiveTypeInfo primitiveTypeInfo = (PrimitiveTypeInfo) typeInfo;
                switch(primitiveTypeInfo.getPrimitiveCategory()) {
                    case BOOLEAN:
                        {
                            boolean value = ((BooleanWritable) object).get();
                            serializeWrite.writeBoolean(value);
                        }
                        break;
                    case BYTE:
                        {
                            byte value = ((ByteWritable) object).get();
                            serializeWrite.writeByte(value);
                        }
                        break;
                    case SHORT:
                        {
                            short value = ((ShortWritable) object).get();
                            serializeWrite.writeShort(value);
                        }
                        break;
                    case INT:
                        {
                            int value = ((IntWritable) object).get();
                            serializeWrite.writeInt(value);
                        }
                        break;
                    case LONG:
                        {
                            long value = ((LongWritable) object).get();
                            serializeWrite.writeLong(value);
                        }
                        break;
                    case FLOAT:
                        {
                            float value = ((FloatWritable) object).get();
                            serializeWrite.writeFloat(value);
                        }
                        break;
                    case DOUBLE:
                        {
                            double value = ((DoubleWritable) object).get();
                            serializeWrite.writeDouble(value);
                        }
                        break;
                    case STRING:
                        {
                            Text value = (Text) object;
                            byte[] bytes = value.getBytes();
                            int byteLength = value.getLength();
                            serializeWrite.writeString(bytes, 0, byteLength);
                        }
                        break;
                    case CHAR:
                        {
                            HiveChar value = ((HiveCharWritable) object).getHiveChar();
                            serializeWrite.writeHiveChar(value);
                        }
                        break;
                    case VARCHAR:
                        {
                            HiveVarchar value = ((HiveVarcharWritable) object).getHiveVarchar();
                            serializeWrite.writeHiveVarchar(value);
                        }
                        break;
                    case DECIMAL:
                        {
                            HiveDecimal value = ((HiveDecimalWritable) object).getHiveDecimal();
                            DecimalTypeInfo decTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
                            serializeWrite.writeHiveDecimal(value, decTypeInfo.scale());
                        }
                        break;
                    case DATE:
                        {
                            Date value = ((DateWritableV2) object).get();
                            serializeWrite.writeDate(value);
                        }
                        break;
                    case TIMESTAMP:
                        {
                            Timestamp value = ((TimestampWritableV2) object).getTimestamp();
                            serializeWrite.writeTimestamp(value);
                        }
                        break;
                    case INTERVAL_YEAR_MONTH:
                        {
                            HiveIntervalYearMonth value = ((HiveIntervalYearMonthWritable) object).getHiveIntervalYearMonth();
                            serializeWrite.writeHiveIntervalYearMonth(value);
                        }
                        break;
                    case INTERVAL_DAY_TIME:
                        {
                            HiveIntervalDayTime value = ((HiveIntervalDayTimeWritable) object).getHiveIntervalDayTime();
                            serializeWrite.writeHiveIntervalDayTime(value);
                        }
                        break;
                    case BINARY:
                        {
                            BytesWritable byteWritable = (BytesWritable) object;
                            byte[] binaryBytes = byteWritable.getBytes();
                            int length = byteWritable.getLength();
                            serializeWrite.writeBinary(binaryBytes, 0, length);
                        }
                        break;
                    default:
                        throw new Error("Unknown primitive category " + primitiveTypeInfo.getPrimitiveCategory().name());
                }
            }
            break;
        case LIST:
            {
                ListTypeInfo listTypeInfo = (ListTypeInfo) typeInfo;
                TypeInfo elementTypeInfo = listTypeInfo.getListElementTypeInfo();
                ArrayList<Object> elements = (ArrayList<Object>) object;
                serializeWrite.beginList(elements);
                boolean isFirst = true;
                for (Object elementObject : elements) {
                    if (isFirst) {
                        isFirst = false;
                    } else {
                        serializeWrite.separateList();
                    }
                    if (elementObject == null) {
                        serializeWrite.writeNull();
                    } else {
                        serializeWrite(serializeWrite, elementTypeInfo, elementObject);
                    }
                }
                serializeWrite.finishList();
            }
            break;
        case MAP:
            {
                MapTypeInfo mapTypeInfo = (MapTypeInfo) typeInfo;
                TypeInfo keyTypeInfo = mapTypeInfo.getMapKeyTypeInfo();
                TypeInfo valueTypeInfo = mapTypeInfo.getMapValueTypeInfo();
                HashMap<Object, Object> hashMap = (HashMap<Object, Object>) object;
                serializeWrite.beginMap(hashMap);
                boolean isFirst = true;
                for (Map.Entry<Object, Object> entry : hashMap.entrySet()) {
                    if (isFirst) {
                        isFirst = false;
                    } else {
                        serializeWrite.separateKeyValuePair();
                    }
                    if (entry.getKey() == null) {
                        serializeWrite.writeNull();
                    } else {
                        serializeWrite(serializeWrite, keyTypeInfo, entry.getKey());
                    }
                    serializeWrite.separateKey();
                    if (entry.getValue() == null) {
                        serializeWrite.writeNull();
                    } else {
                        serializeWrite(serializeWrite, valueTypeInfo, entry.getValue());
                    }
                }
                serializeWrite.finishMap();
            }
            break;
        case STRUCT:
            {
                StructTypeInfo structTypeInfo = (StructTypeInfo) typeInfo;
                List<TypeInfo> fieldTypeInfos = structTypeInfo.getAllStructFieldTypeInfos();
                List<Object> fieldValues = (List<Object>) object;
                final int size = fieldValues.size();
                serializeWrite.beginStruct(fieldValues);
                boolean isFirst = true;
                for (int i = 0; i < size; i++) {
                    if (isFirst) {
                        isFirst = false;
                    } else {
                        serializeWrite.separateStruct();
                    }
                    serializeWrite(serializeWrite, fieldTypeInfos.get(i), fieldValues.get(i));
                }
                serializeWrite.finishStruct();
            }
            break;
        case UNION:
            {
                UnionTypeInfo unionTypeInfo = (UnionTypeInfo) typeInfo;
                List<TypeInfo> fieldTypeInfos = unionTypeInfo.getAllUnionObjectTypeInfos();
                final int size = fieldTypeInfos.size();
                StandardUnionObjectInspector.StandardUnion standardUnion = (StandardUnionObjectInspector.StandardUnion) object;
                byte tag = standardUnion.getTag();
                serializeWrite.beginUnion(tag);
                serializeWrite(serializeWrite, fieldTypeInfos.get(tag), standardUnion.getObject());
                serializeWrite.finishUnion();
            }
            break;
        default:
            throw new Error("Unknown category " + typeInfo.getCategory().name());
    }
}