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https://issues.apache.org/jira/browse/HIVE-19247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16450218#comment-16450218
]
Gopal V commented on HIVE-19247:
--------------------------------
Failures are unrelated, but two of failed the tests failed to startup the
CliDriver fully.
{code}
java.lang.AssertionError: Failed during initFromDatasets processLine with code=2
at org.junit.Assert.fail(Assert.java:88)
at org.apache.hadoop.hive.ql.QTestUtil.initDataset(QTestUtil.java:1227)
at
org.apache.hadoop.hive.ql.QTestUtil.initDataSetForTest(QTestUtil.java:1207)
at org.apache.hadoop.hive.ql.QTestUtil.cliInit(QTestUtil.java:1275)
at
org.apache.hadoop.hive.cli.control.CoreCliDriver.runTest(CoreCliDriver.java:176)
at
org.apache.hadoop.hive.cli.control.CliAdapter.runTest(CliAdapter.java:104)
at
org.apache.hadoop.hive.cli.TestCliDriver.testCliDriver(TestCliDriver.java:5
{code}
> StatsOptimizer: Missing stats fast-path for Date
> ------------------------------------------------
>
> Key: HIVE-19247
> URL: https://issues.apache.org/jira/browse/HIVE-19247
> Project: Hive
> Issue Type: Bug
> Components: Statistics
> Affects Versions: 2.2.0, 3.0.0, 2.3.2
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Major
> Attachments: HIVE-19247.1.patch
>
>
> {code}
> 2018-04-19T18:57:24,268 DEBUG [67259108-c184-4c92-9e18-9e2969244442
> HiveServer2-Handler-Pool: Thread-73]: optimizer.StatsOptimizer
> (StatsOptimizer.java:process(614)) - Unsupported type: date encountered in
> metadata optimizer for column : jour
> {code}
> {code}
> if (udaf instanceof GenericUDAFMin) {
> ExprNodeColumnDesc colDesc =
> (ExprNodeColumnDesc)exprMap.get(((ExprNodeColumnDesc)aggr.getParameters().get(0)).getColumn());
> String colName = colDesc.getColumn();
> StatType type = getType(colDesc.getTypeString());
> if (!tbl.isPartitioned()) {
> if
> (!StatsSetupConst.areColumnStatsUptoDate(tbl.getParameters(), colName)) {
> Logger.debug("Stats for table : " + tbl.getTableName() + "
> column " + colName
> + " are not up to date.");
> return null;
> }
> ColumnStatisticsData statData =
> hive.getMSC().getTableColumnStatistics(
> tbl.getDbName(), tbl.getTableName(),
> Lists.newArrayList(colName))
> .get(0).getStatsData();
> String name = colDesc.getTypeString().toUpperCase();
> switch (type) {
> case Integeral: {
> LongSubType subType = LongSubType.valueOf(name);
> LongColumnStatsData lstats = statData.getLongStats();
> if (lstats.isSetLowValue()) {
> oneRow.add(subType.cast(lstats.getLowValue()));
> } else {
> oneRow.add(null);
> }
> break;
> }
> case Double: {
> DoubleSubType subType = DoubleSubType.valueOf(name);
> DoubleColumnStatsData dstats = statData.getDoubleStats();
> if (dstats.isSetLowValue()) {
> oneRow.add(subType.cast(dstats.getLowValue()));
> } else {
> oneRow.add(null);
> }
> break;
> }
> default: // unsupported type
> Logger.debug("Unsupported type: " + colDesc.getTypeString()
> + " encountered in " +
> "metadata optimizer for column : " + colName);
> return null;
> }
> }
> {code}
> {code}
> enum StatType{
> Integeral,
> Double,
> String,
> Boolean,
> Binary,
> Unsupported
> }
> enum LongSubType {
> BIGINT { @Override
> Object cast(long longValue) { return longValue; } },
> INT { @Override
> Object cast(long longValue) { return (int)longValue; } },
> SMALLINT { @Override
> Object cast(long longValue) { return (short)longValue; } },
> TINYINT { @Override
> Object cast(long longValue) { return (byte)longValue; } };
> abstract Object cast(long longValue);
> }
> {code}
> Date is stored in stats (& also the typo there).
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