hussein-awala opened a new issue, #9898:
URL: https://github.com/apache/iceberg/issues/9898
### Apache Iceberg version
1.4.3 (latest release)
### Query engine
Spark
### Please describe the bug 🐞
I have an Iceberg table, and I want to create two bloom filters on a root
string column and nested string column in a struct, I've set the properties
`write.parquet.bloom-filter-enabled.column.a` and
`write.parquet.bloom-filter-enabled.column.b.c` to `true`, and I checked with
`parquet-cli`:
```bash
$ parquet bloom-filter /path/to/file.parquet -c a -v <not existing value>
Row group 0:
--------------------------------------------------------------------------------
value <not existing value> NOT exists.
$ parquet bloom-filter /path/to/file.parquet -c a -v <existing value>
Row group 0:
--------------------------------------------------------------------------------
value <existing value> maybe exists.
$ parquet bloom-filter /path/to/file.parquet -c b.c -v <some value>
Row group 0:
--------------------------------------------------------------------------------
column b.c has no bloom filter
# check if it's an issue with column name parsing:
$ parquet bloom-filter /path/to/file.parquet -c b.d -v <some value>
Argument error: Schema doesn't have column: b.d
```
However, I tried with Spark and parquet, and it worker without any issue:
```scala
import org.apache.spark.sql.types._
import org.apache.spark.sql.Row
import spark.implicits._
val schema = StructType(Array(
StructField("a", StringType, true),
StructField("b", StringType, true),
StructField("nested", StructType(Array(
StructField("c", StringType, true),
StructField("d", StringType, true)
)), true)
))
val data = Seq(
Row("1", "25", Row("100", "a")),
Row("2", "30", Row("200", "b")),
Row("3", "35", Row("300", "c")),
Row("4", "40", Row("400", "d")),
Row("5", "45", Row("500", "e"))
)
val df = spark.createDataFrame(
spark.sparkContext.parallelize(data),
schema
)
df.write.format("parquet")
.option("parquet.bloom.filter.enabled#a", "true")
.option("parquet.bloom.filter.enabled#nested.c", "true")
.save("bloom_parquet")
```
Check with `parquet-cli`
```bash
$ github parquet bloom-filter
bloom_parquet/part-00002-9fac4c38-7113-45df-8db9-d96c3f6b6a8e-c000.snappy.parquet
-c a -v "1"
Row group 0:
--------------------------------------------------------------------------------
value 1 maybe exists.
$ github parquet bloom-filter
bloom_parquet/part-00002-9fac4c38-7113-45df-8db9-d96c3f6b6a8e-c000.snappy.parquet
-c nested.c -v "1"
Row group 0:
--------------------------------------------------------------------------------
value 1 NOT exists.
```
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