bhat-vinay commented on code in PR #10491:
URL: https://github.com/apache/hudi/pull/10491#discussion_r1449904273
##########
hudi-spark-datasource/hudi-spark/src/test/scala/org/apache/spark/sql/hudi/TestHoodieTableValuedFunction.scala:
##########
@@ -558,4 +558,50 @@ class TestHoodieTableValuedFunction extends
HoodieSparkSqlTestBase {
}
}
}
+
+ test(s"Test hudi_metadata Table-Valued Function") {
+ if (HoodieSparkUtils.gteqSpark3_2) {
+ withTempDir { tmp =>
+ Seq("cow").foreach { tableType =>
+ val tableName = generateTableName
+ val identifier = tableName
+ spark.sql("set " + SPARK_SQL_INSERT_INTO_OPERATION.key + "=upsert")
+ spark.sql(
+ s"""
+ |create table $tableName (
+ | id int,
+ | name string,
+ | ts long,
+ | price int
+ |) using hudi
+ |partitioned by (price)
+ |tblproperties (
+ | type = '$tableType',
+ | primaryKey = 'id',
+ | preCombineField = 'ts',
+ | hoodie.datasource.write.recordkey.field = 'id',
+ | hoodie.metadata.record.index.enable = 'true',
+ | hoodie.metadata.index.column.stats.enable = 'true',
+ | hoodie.metadata.index.column.stats.column.list = 'price'
+ |)
+ |location '${tmp.getCanonicalPath}/$tableName'
+ |""".stripMargin
+ )
+
+ spark.sql(
+ s"""
+ | insert into $tableName
+ | values (1, 'a1', 1000, 10), (2, 'a2', 2000, 20), (3, 'a3',
3000, 30)
+ | """.stripMargin
+ )
+
+ val result1DF = spark.sql(
+ s"select * from hudi_metadata('$identifier')"
+ )
+ result1DF.show(false)
Review Comment:
Yes, filters can be specified. For example, `select key, filesystemmetadata
from hudi_metadata('table-name') where filesystemMetadata is not null` gives
this
```
+------------------+---------------------------------------------------------------------------------------------+
|key |filesystemmetadata
|
+------------------+---------------------------------------------------------------------------------------------+
|__all_partitions__|{price=30 -> {0, false}, price=20 -> {0, false},
price=10 -> {0, false}} |
|price=30
|{7d255a2f-185e-40c3-87a7-1ffec2513d33-0_0-34-80_20240112061638246.parquet ->
{434873, false}}|
|price=20
|{d55a27a9-df00-4aed-b0fa-a491cea86039-0_1-34-81_20240112061638246.parquet ->
{434874, false}}|
|price=10
|{c179d819-3d6d-4864-9099-c944f4e10265-0_2-34-82_20240112061638246.parquet ->
{434874, false}}|
+------------------+---------------------------------------------------------------------------------------------+
```
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