Aihua Xu created HIVE-11258:
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Summary: The function drop_database_core() of HiveMetaStore.java
may not drop all the tables
Key: HIVE-11258
URL: https://issues.apache.org/jira/browse/HIVE-11258
Project: Hive
Issue Type: Bug
Components: Database/Schema
Affects Versions: 2.0.0
Reporter: Aihua Xu
Assignee: Aihua Xu
The following code in that function doesn't work properly.
{noformat}
int startIndex = 0;
int endIndex = -1;
// retrieve the tables from the metastore in batches to alleviate
memory constraints
while (endIndex < allTables.size() - 1) {
startIndex = endIndex + 1;
endIndex = endIndex + tableBatchSize;
if (endIndex >= allTables.size()) {
endIndex = allTables.size() - 1;
}
{noformat}
e.g.: if we have 5 tables and tableBatchSize is 10, startIndex will be 0 and
endIndex will be 4. We only drop 4 tables since sublist(startIndex, endIndex)
is inclusive on startIndex and exclusive on endIndex.
If total tables is larger tableBatchSize, we also have similar issues.
This is discovered when I work on HIVE-11255.
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