[SPARK-24773] Avro: support logical timestamp type with different precisions #21935
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| Original file line number | Diff line number | Diff line change |
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@@ -41,6 +41,7 @@ import org.apache.spark.sql.types._ | |
| class AvroSuite extends QueryTest with SharedSQLContext with SQLTestUtils { | ||
| val episodesAvro = testFile("episodes.avro") | ||
| val testAvro = testFile("test.avro") | ||
| val timestampAvro = testFile("timestamp.avro") | ||
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Contributor
There was a problem hiding this comment. at least we should provide how the binary file is generated, or just do roundtrip test: Spark write avro files and then read it.
Member
Author
There was a problem hiding this comment. The schema and data is stated in https://github.com/apache/spark/pull/21935/files#diff-9364b0610f92b3cc35a4bc43a80751bfR397 |
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| override protected def beforeAll(): Unit = { | ||
| super.beforeAll() | ||
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@@ -331,6 +332,84 @@ class AvroSuite extends QueryTest with SharedSQLContext with SQLTestUtils { | |
| } | ||
| } | ||
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| test("Logical type: timestamp_millis") { | ||
| val sparkSession = spark | ||
| import sparkSession.implicits._ | ||
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| val expected = | ||
| Seq(1L, 666L).toDF("timestamp_millis").select('timestamp_millis.cast(TimestampType)).collect() | ||
| val df = spark.read.format("avro").load(timestampAvro).select('timestamp_millis) | ||
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| checkAnswer(df, expected) | ||
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| withTempPath { dir => | ||
| df.write.format("avro").save(dir.toString) | ||
| checkAnswer(spark.read.format("avro").load(dir.toString), expected) | ||
| } | ||
| } | ||
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| test("Logical type: timestamp_micros") { | ||
| val sparkSession = spark | ||
| import sparkSession.implicits._ | ||
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| val expected = | ||
| Seq(2L, 999L).toDF("timestamp_micros").select('timestamp_micros.cast(TimestampType)).collect() | ||
| val df = spark.read.format("avro").load(timestampAvro).select('timestamp_micros) | ||
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| checkAnswer(df, expected) | ||
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| withTempPath { dir => | ||
| df.write.format("avro").save(dir.toString) | ||
| checkAnswer(spark.read.format("avro").load(dir.toString), expected) | ||
| } | ||
| } | ||
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| test("Logical type: specify different output timestamp types") { | ||
| val sparkSession = spark | ||
| import sparkSession.implicits._ | ||
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| val df = spark.read.format("avro").load(timestampAvro) | ||
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| val expected = Seq((1L, 2L), (666L, 999L)) | ||
| .toDF("timestamp_millis", "timestamp_micros") | ||
| .select('timestamp_millis.cast(TimestampType), 'timestamp_micros.cast(TimestampType)) | ||
| .collect() | ||
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| Seq("TIMESTAMP_MILLIS", "TIMESTAMP_MICROS").foreach { timestampType => | ||
| withSQLConf(SQLConf.AVRO_OUTPUT_TIMESTAMP_TYPE.key -> timestampType) { | ||
| withTempPath { dir => | ||
| df.write.format("avro").save(dir.toString) | ||
| checkAnswer(spark.read.format("avro").load(dir.toString), expected) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| test("Logical type: user specified schema") { | ||
| val sparkSession = spark | ||
| import sparkSession.implicits._ | ||
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| val expected = Seq((1L, 2L), (666L, 999L)) | ||
| .toDF("timestamp_millis", "timestamp_micros") | ||
| .select('timestamp_millis.cast(TimestampType), 'timestamp_micros.cast(TimestampType)) | ||
| .collect() | ||
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| val avroSchema = s""" | ||
| { | ||
| "namespace": "logical", | ||
| "type": "record", | ||
| "name": "test", | ||
| "fields": [ | ||
| {"name": "timestamp_millis", "type": {"type": "long","logicalType": "timestamp-millis"}}, | ||
| {"name": "timestamp_micros", "type": {"type": "long","logicalType": "timestamp-micros"}} | ||
| ] | ||
| } | ||
| """ | ||
| val df = spark.read.format("avro").option("avroSchema", avroSchema).load(timestampAvro) | ||
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| checkAnswer(df, expected) | ||
| } | ||
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| test("Array data types") { | ||
| withTempPath { dir => | ||
| val testSchema = StructType(Seq( | ||
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@@ -511,7 +590,8 @@ class AvroSuite extends QueryTest with SharedSQLContext with SQLTestUtils { | |
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| // TimesStamps are converted to longs | ||
| val times = spark.read.format("avro").load(avroDir).select("Time").collect() | ||
| assert(times.map(_(0)).toSet == | ||
| Set(new Timestamp(666), new Timestamp(777), new Timestamp(42))) | ||
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| // DecimalType should be converted to string | ||
| val decimals = spark.read.format("avro").load(avroDir).select("Decimal").collect() | ||
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ditto, add a default case.