Zoltán Borók-Nagy created IMPALA-11346:
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Summary: Migrated partitioned Iceberg tables might return ERROR
when WHERE condition is used on partition column
Key: IMPALA-11346
URL: https://issues.apache.org/jira/browse/IMPALA-11346
Project: IMPALA
Issue Type: Bug
Components: Backend
Reporter: Zoltán Borók-Nagy
{noformat}
[localhost:21050] default> select * from
functional_parquet.iceberg_alltypes_part where p_bool=false;
Fetched 0 row(s) in 0.11s
[localhost:21050] default> select * from
functional_parquet.iceberg_alltypes_part where p_bool=true;
ERROR: Unable to find SchemaNode for path
'functional_parquet.iceberg_alltypes_part.p_bool' in the schema of file
'hdfs://localhost:20500/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_alltypes_part/p_bool=true/p_int=1/p_bigint=11/p_float=1.1/p_double=2.222/p_decimal=123.321/p_date=2022-02-22/p_string=impala/000000_0'.
[localhost:21050] default> select * from
functional_parquet.iceberg_alltypes_part where i=3;
Fetched 0 row(s) in 0.12s
[localhost:21050] default> select * from
functional_parquet.iceberg_alltypes_part where i=1;
+---+--------+-------+----------+---------------+----------+-----------+------------+----------+
| i | p_bool | p_int | p_bigint | p_float | p_double | p_decimal | p_date
| p_string |
+---+--------+-------+----------+---------------+----------+-----------+------------+----------+
| 1 | true | 1 | 11 | 1.10000002384 | 2.222 | 123.321 |
2022-02-22 | impala |
+---+--------+-------+----------+---------------+----------+-----------+------------+----------+
Fetched 1 row(s) in 0.12s
[localhost:21050] default> select * from
functional_parquet.iceberg_alltypes_part where p_int=1;
ERROR: Unable to find SchemaNode for path
'functional_parquet.iceberg_alltypes_part.p_int' in the schema of file
'hdfs://localhost:20500/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_alltypes_part/p_bool=true/p_int=1/p_bigint=11/p_float=1.1/p_double=2.222/p_decimal=123.321/p_date=2022-02-22/p_string=impala/000000_0'.
[localhost:21050] default> select * from
functional_parquet.iceberg_alltypes_part where p_int=3;
Fetched 0 row(s) in 0.11s{noformat}
So we don't get incorrect results at least, but getting errors on partition
column values that are existing.
It seems like it works well with ORC.
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