okumin commented on code in PR #5792:
URL: https://github.com/apache/hive/pull/5792#discussion_r2074755644
##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/compaction/IcebergQueryCompactor.java:
##########
@@ -88,28 +89,30 @@ public boolean run(CompactorContext context) throws
IOException, HiveException,
// added another filter on file_path as a workaround.
compactionQuery = String.format("insert overwrite table %1$s select *
from %1$s " +
"where %2$s != %3$d and %4$s is not null %5$s %6$s",
- compactTableName, VirtualColumn.PARTITION_SPEC_ID.getName(),
icebergTable.spec().specId(),
+ qualifiedTableName, VirtualColumn.PARTITION_SPEC_ID.getName(),
icebergTable.spec().specId(),
VirtualColumn.FILE_PATH.getName(), fileSizePredicate == null ? ""
: "and " + fileSizePredicate, orderBy);
} else {
// Partitioned table without partition evolution with partition spec
as null in the compaction request - this
// code branch is not supposed to be reachable
throw new HiveException(ErrorMsg.COMPACTION_NO_PARTITION);
}
} else {
- long partitionHash = IcebergTableUtil.getPartitionHash(icebergTable,
partSpec);
+ int partitionSpecId = IcebergTableUtil.getPartitionSpecId(icebergTable,
partSpec);
HiveConf.setVar(conf, ConfVars.REWRITE_POLICY,
RewritePolicy.PARTITION.name());
conf.set(IcebergCompactionService.PARTITION_PATH, new
Path(partSpec).toString());
Map<String, String> partSpecMap = new LinkedHashMap<>();
Warehouse.makeSpecFromName(partSpecMap, new Path(partSpec), null);
- compactionQuery = String.format("insert overwrite table %1$s select *
from %1$s where %2$s=%3$d " +
- "and %4$s is not null %5$s %6$s", compactTableName,
VirtualColumn.PARTITION_HASH.getName(), partitionHash,
- VirtualColumn.FILE_PATH.getName(), fileSizePredicate == null ? "" :
"and " + fileSizePredicate, orderBy);
+ compactionQuery = String.format("INSERT OVERWRITE TABLE %1$s SELECT *
FROM %1$s " +
+ "WHERE %2$s LIKE '%%/%3$s/data/%4$s/%%' AND %5$s = %6$d %7$s
%8$s",
Review Comment:
`'%%/%3$s/data/%4$s/%%'` assumes a strict file structure. In case that users
performed the in-place migration, the file name can't follow the convention. It
sounds acceptable at this point. We may add a new virtual column in the future.
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