ad1happy2go commented on issue #9870:
URL: https://github.com/apache/hudi/issues/9870#issuecomment-1764889217
Simplified version of Reproducible Code -
```
COW_TABLE_NAME="table_duplicates"
PARTITION_FIELD = "year,month"
PRECOMBINE_FIELD = "timestamp"
COW_TABLE_LOCATION="file:///tmp/issue_9870_" + str(uuid.uuid4())
hudi_options_opt = {
"hoodie.table.name": COW_TABLE_NAME,
"hoodie.table.type": "COPY_ON_WRITE",
"hoodie.index.type": "BLOOM",
"hoodie.datasource.write.recordkey.field": "id",
"hoodie.datasource.write.partitionpath.field": PARTITION_FIELD,
"hoodie.datasource.write.precombine.field": PRECOMBINE_FIELD,
"hoodie.datasource.write.hive_style_partitioning": "true",
"hoodie.metadata.enable": "true",
"hoodie.bloom.index.use.metadata": "true",
"hoodie.metadata.index.column.stats.enable": "true",
"hoodie.parquet.small.file.limit": -1
}
COW_TABLE_LOCATION="file:///tmp/issue_9870_" + str(uuid.uuid4())
inputDF = spark.createDataFrame(
[
('1', "1", '1',2020,1),
('2', "1", '1',2020,1),
('3', "1", '1',2020,1)
],
["id", "value", "timestamp","year","month"]
)
(inputDF.write.format("org.apache.hudi")
.option("hoodie.datasource.write.operation", "upsert")
.options(**hudi_options_opt)
.mode("append")
.save(COW_TABLE_LOCATION))
upsertDF = spark.createDataFrame(
[
('3', "2", '1',2020,1)
],
["id", "value", "timestamp","year","month"]
)
(upsertDF.write.format("org.apache.hudi")
.option("hoodie.datasource.write.operation", "upsert")
.options(**hudi_options_opt)
.mode("append")
.save(COW_TABLE_LOCATION))
spark.read.format('org.apache.hudi').load(COW_TABLE_LOCATION).groupBy("year","month","_hoodie_record_key").count().orderBy(desc("count")).show(100,
False)
```
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