surekhasaharan commented on a change in pull request #6888: Fix num_rows in
sys.segments
URL: https://github.com/apache/incubator-druid/pull/6888#discussion_r254803332
##########
File path:
sql/src/test/java/org/apache/druid/sql/calcite/schema/DruidSchemaTest.java
##########
@@ -239,6 +246,34 @@ public void testGetTableMapFoo2()
Assert.assertEquals(SqlTypeName.BIGINT,
fields.get(2).getType().getSqlTypeName());
}
+ @Test
+ public void testSegmentMetadataHolderNumRows()
+ {
+ Map<DataSegment, SegmentMetadataHolder> segmentsMetadata =
schema.getSegmentMetadata();
+ Set<DataSegment> segments = segmentsMetadata.keySet();
+ Assert.assertEquals(segments.size(), 3);
+ DataSegment existingSegment = segments.stream().findFirst().orElse(null);
+ Assert.assertFalse(existingSegment == null);
+ SegmentMetadataHolder existingHolder =
segmentsMetadata.get(existingSegment);
+ SegmentMetadataHolder updatedHolder =
SegmentMetadataHolder.from(existingHolder).withNumRows(5).build();
+ schema.setSegmentMetadataHolder(existingSegment, updatedHolder);
+ ImmutableDruidServer server = null;
+ for (ImmutableDruidServer druidServer : druidServers) {
+ for (DataSegment segment : druidServer.getSegments()) {
+ if (segment == existingSegment) {
Review comment:
changed to use streams api instead of nested loops
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