umehrot2 commented on a change in pull request #2160:
URL: https://github.com/apache/hudi/pull/2160#discussion_r512379798
##########
File path:
hudi-sync/hudi-hive-sync/src/main/java/org/apache/hudi/hive/util/HiveSchemaUtil.java
##########
@@ -155,113 +150,75 @@ private static boolean isFieldExistsInSchema(Map<String,
String> newTableSchema,
* @param parquetType : Single paruet field
* @return : Equivalent sHive schema
*/
- private static String convertField(final Type parquetType) {
+ private static String convertFieldFromAvro(final Schema schema) {
StringBuilder field = new StringBuilder();
- if (parquetType.isPrimitive()) {
- final PrimitiveType.PrimitiveTypeName parquetPrimitiveTypeName =
- parquetType.asPrimitiveType().getPrimitiveTypeName();
- final OriginalType originalType = parquetType.getOriginalType();
- if (originalType == OriginalType.DECIMAL) {
- final DecimalMetadata decimalMetadata =
parquetType.asPrimitiveType().getDecimalMetadata();
- return
field.append("DECIMAL(").append(decimalMetadata.getPrecision()).append(" , ")
- .append(decimalMetadata.getScale()).append(")").toString();
- } else if (originalType == OriginalType.DATE) {
+ Schema.Type type = schema.getType();
+ LogicalType logicalType = schema.getLogicalType();
+ if (logicalType != null) {
+ if (logicalType instanceof LogicalTypes.Decimal) {
+ return field.append("DECIMAL(").append(((LogicalTypes.Decimal)
logicalType).getPrecision()).append(" , ")
+ .append(((LogicalTypes.Decimal)
logicalType).getScale()).append(")").toString();
+ } else if (logicalType instanceof LogicalTypes.Date) {
return field.append("DATE").toString();
+ } else {
+ Log.info("not handle the type transform");
}
- // TODO - fix the method naming here
- return parquetPrimitiveTypeName.convert(new
PrimitiveType.PrimitiveTypeNameConverter<String, RuntimeException>() {
- @Override
- public String convertBOOLEAN(PrimitiveType.PrimitiveTypeName
primitiveTypeName) {
- return "boolean";
- }
-
- @Override
- public String convertINT32(PrimitiveType.PrimitiveTypeName
primitiveTypeName) {
- return "int";
- }
-
- @Override
- public String convertINT64(PrimitiveType.PrimitiveTypeName
primitiveTypeName) {
- return "bigint";
- }
-
- @Override
- public String convertINT96(PrimitiveType.PrimitiveTypeName
primitiveTypeName) {
- return "timestamp-millis";
- }
-
- @Override
- public String convertFLOAT(PrimitiveType.PrimitiveTypeName
primitiveTypeName) {
- return "float";
- }
-
- @Override
- public String convertDOUBLE(PrimitiveType.PrimitiveTypeName
primitiveTypeName) {
- return "double";
- }
-
- @Override
- public String
convertFIXED_LEN_BYTE_ARRAY(PrimitiveType.PrimitiveTypeName primitiveTypeName) {
- return "binary";
- }
-
- @Override
- public String convertBINARY(PrimitiveType.PrimitiveTypeName
primitiveTypeName) {
- if (originalType == OriginalType.UTF8 || originalType ==
OriginalType.ENUM) {
- return "string";
- } else {
- return "binary";
- }
+ }
+ if (type.equals(Schema.Type.BOOLEAN)) {
+ return field.append("boolean").toString();
+ } else if (type.equals(Schema.Type.INT)) {
+ return field.append("int").toString();
+ } else if (type.equals(Schema.Type.LONG)) {
+ return field.append("bigint").toString();
+ } else if (type.equals(Schema.Type.FLOAT)) {
+ return field.append("float").toString();
+ } else if (type.equals(Schema.Type.DOUBLE)) {
+ return field.append("double").toString();
+ } else if (type.equals(Schema.Type.BYTES)) {
+ return field.append("binary").toString();
+ } else if (type.equals(Schema.Type.STRING)) {
+ return field.append("string").toString();
+ } else if (type.equals(Schema.Type.RECORD)) {
+ List<Pair<String, Schema>> noNullSchemaFields = new ArrayList<>();
+ for (Schema.Field fieldItem : schema.getFields()) {
+ if (fieldItem.schema().getType().equals(Schema.Type.NULL)) {
Review comment:
I would suggest moving this logic inside `createHiveStructFromAvro` when
you have a dedicated function just for that. This is how the code was organized
earlier. So you can just pass `List<Schema.Field>` from here to
`createHiveStructFromAvro` and let it do the handling.
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