deniskuzZ commented on code in PR #5492:
URL: https://github.com/apache/hive/pull/5492#discussion_r2010470825
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/SharedWorkOptimizer.java:
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@@ -251,6 +254,31 @@ public ParseContext transform(ParseContext pctx) throws
SemanticException {
return pctx;
}
+ private static List<List<TableScanOperator>>
groupTableScanOperators(List<Entry<String, Long>> sortedTables,
+ ArrayListMultimap<String, TableScanOperator> tableNameToOps, int
batchSize) {
+ if (batchSize == -1) {
+ return sortedTables.stream().map(entry ->
tableNameToOps.get(entry.getKey())).collect(Collectors.toList());
+ }
+
+ final List<List<TableScanOperator>> batches = new ArrayList<>();
+ for (Entry<String, Long> tablePair : sortedTables) {
+ final String tableName = tablePair.getKey();
+ final List<TableScanOperator> scans = tableNameToOps.get(tableName);
+
+ final int limit = scans.size();
Review Comment:
why not use `scans.size()` directly?
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