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[HUDI-1716]: Resolving default values for schema from dataframe #2765
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40 changes: 40 additions & 0 deletions
40
hudi-spark-datasource/hudi-spark/src/test/resources/exampleEvolvedSchema.txt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| { | ||
| "namespace": "example.schema", | ||
| "type": "record", | ||
| "name": "trip", | ||
| "fields": [ | ||
| { | ||
| "name": "_row_key", | ||
| "type": "string" | ||
| }, | ||
| { | ||
| "name": "partition", | ||
| "type": "string" | ||
| }, | ||
| { | ||
| "name": "ts", | ||
| "type": ["long", "null"] | ||
| }, | ||
| { | ||
| "name": "new_field", | ||
| "type": ["string","null"] | ||
| } | ||
| ] | ||
| } |
164 changes: 164 additions & 0 deletions
164
...-spark-datasource/hudi-spark/src/test/scala/org/apache/hudi/TestAvroConversionUtils.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
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| package org.apache.hudi | ||
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| import org.apache.avro.Schema | ||
| import org.apache.spark.sql.types.{DataTypes, StructType, StringType, ArrayType} | ||
| import org.scalatest.{FunSuite, Matchers} | ||
|
|
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| class TestAvroConversionUtils extends FunSuite with Matchers { | ||
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| test("test convertStructTypeToAvroSchema") { | ||
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|
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| val mapType = DataTypes.createMapType(StringType, new StructType().add("mapKey", "string", false).add("mapVal", "integer", true)) | ||
| val arrayType = ArrayType(new StructType().add("arrayKey", "string", false).add("arrayVal", "integer", true)) | ||
| val innerStruct = new StructType().add("innerKey","string",false).add("value", "long", true) | ||
|
|
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| val struct = new StructType().add("key", "string", false).add("version", "string", true) | ||
| .add("data1",innerStruct,false).add("data2",innerStruct,true) | ||
| .add("nullableMap", mapType, true).add("map",mapType,false) | ||
| .add("nullableArray", arrayType, true).add("array",arrayType,false) | ||
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| val avroSchema = AvroConversionUtils.convertStructTypeToAvroSchema(struct, "SchemaName", "SchemaNS") | ||
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| val expectedSchemaStr = s""" | ||
| { | ||
| "type" : "record", | ||
| "name" : "SchemaName", | ||
| "namespace" : "SchemaNS", | ||
| "fields" : [ { | ||
| "name" : "key", | ||
| "type" : "string" | ||
| }, { | ||
| "name" : "version", | ||
| "type" : [ "null", "string" ], | ||
| "default" : null | ||
| }, { | ||
| "name" : "data1", | ||
| "type" : { | ||
| "type" : "record", | ||
| "name" : "data1", | ||
| "namespace" : "SchemaNS.SchemaName", | ||
| "fields" : [ { | ||
| "name" : "innerKey", | ||
| "type" : "string" | ||
| }, { | ||
| "name" : "value", | ||
| "type" : [ "null", "long" ], | ||
| "default" : null | ||
| } ] | ||
| } | ||
| }, { | ||
| "name" : "data2", | ||
| "type" : [ "null", { | ||
| "type" : "record", | ||
| "name" : "data2", | ||
| "namespace" : "SchemaNS.SchemaName", | ||
| "fields" : [ { | ||
| "name" : "innerKey", | ||
| "type" : "string" | ||
| }, { | ||
| "name" : "value", | ||
| "type" : [ "null", "long" ], | ||
| "default" : null | ||
| } ] | ||
| } ], | ||
| "default" : null | ||
| }, { | ||
| "name" : "nullableMap", | ||
| "type" : [ "null", { | ||
| "type" : "map", | ||
| "values" : [ { | ||
| "type" : "record", | ||
| "name" : "nullableMap", | ||
| "namespace" : "SchemaNS.SchemaName", | ||
| "fields" : [ { | ||
| "name" : "mapKey", | ||
| "type" : "string" | ||
| }, { | ||
| "name" : "mapVal", | ||
| "type" : [ "null", "int" ], | ||
| "default" : null | ||
| } ] | ||
| }, "null" ] | ||
| } ], | ||
| "default" : null | ||
| }, { | ||
| "name" : "map", | ||
| "type" : { | ||
| "type" : "map", | ||
| "values" : [ { | ||
| "type" : "record", | ||
| "name" : "map", | ||
| "namespace" : "SchemaNS.SchemaName", | ||
| "fields" : [ { | ||
| "name" : "mapKey", | ||
| "type" : "string" | ||
| }, { | ||
| "name" : "mapVal", | ||
| "type" : [ "null", "int" ], | ||
| "default" : null | ||
| } ] | ||
| }, "null" ] | ||
| } | ||
| }, { | ||
| "name" : "nullableArray", | ||
| "type" : [ "null", { | ||
| "type" : "array", | ||
| "items" : [ { | ||
| "type" : "record", | ||
| "name" : "nullableArray", | ||
| "namespace" : "SchemaNS.SchemaName", | ||
| "fields" : [ { | ||
| "name" : "arrayKey", | ||
| "type" : "string" | ||
| }, { | ||
| "name" : "arrayVal", | ||
| "type" : [ "null", "int" ], | ||
| "default" : null | ||
| } ] | ||
| }, "null" ] | ||
| } ], | ||
| "default" : null | ||
| }, { | ||
| "name" : "array", | ||
| "type" : { | ||
| "type" : "array", | ||
| "items" : [ { | ||
| "type" : "record", | ||
| "name" : "array", | ||
| "namespace" : "SchemaNS.SchemaName", | ||
| "fields" : [ { | ||
| "name" : "arrayKey", | ||
| "type" : "string" | ||
| }, { | ||
| "name" : "arrayVal", | ||
| "type" : [ "null", "int" ], | ||
| "default" : null | ||
| } ] | ||
| }, "null" ] | ||
| } | ||
| } ] | ||
| } | ||
| """ | ||
| val expectedAvroSchema = new Schema.Parser().parse(expectedSchemaStr) | ||
|
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| assert(avroSchema.equals(expectedAvroSchema)) | ||
| } | ||
| } | ||
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