Mhanna Abu Tareef created CASSJAVA-111:
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Summary: driver doesn't move to next page
Key: CASSJAVA-111
URL: https://issues.apache.org/jira/browse/CASSJAVA-111
Project: Apache Cassandra Java driver
Issue Type: Bug
Reporter: Mhanna Abu Tareef
Hi,
Looking at com/datastax/oss/driver/internal/core/cql/MultiPageResultSet.java
private void maybeMoveToNextPage() {
if (!currentRows.hasNext() && currentPage.hasMorePages()) {
BlockingOperation.checkNotDriverThread();
AsyncResultSet nextPage =
CompletableFutures.getUninterruptibly(currentPage.fetchNextPage());
currentPage = nextPage;
remaining += nextPage.remaining();
currentRows = nextPage.currentPage().iterator();
executionInfos.add(nextPage.getExecutionInfo());
// The definitions can change from page to page if this result set was
built from a bound
// 'SELECT *', and the schema was altered.
columnDefinitions = nextPage.getColumnDefinitions();
}
}
Patching this class by changing the "if" to "while" resolved an issue where a
query returns empty while there're rows
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