[
https://issues.apache.org/jira/browse/HIVE-22311?focusedWorklogId=336172&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-336172
]
ASF GitHub Bot logged work on HIVE-22311:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Oct/19 13:21
Start Date: 30/Oct/19 13:21
Worklog Time Spent: 10m
Work Description: miklosgergely commented on pull request #821: HIVE-22311
URL: https://github.com/apache/hive/pull/821#discussion_r340594059
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/metadata/formatting/JsonMetaDataFormatter.java
##########
@@ -338,6 +338,19 @@ private ColumnStatisticsData getStatistics(FieldSchema
column, List<ColumnStatis
if (statistics.getDateStats().isSetNumDVs()) {
result.put("distinctCount", statistics.getDateStats().getNumDVs());
}
+ } else if (statistics.isSetTimestampStats()) {
+ if (statistics.getTimestampStats().isSetLowValue()) {
+ result.put("min",
MetaDataFormatUtils.convertToString(statistics.getTimestampStats().getLowValue()));
+ }
+ if (statistics.getTimestampStats().isSetHighValue()) {
+ result.put("max",
MetaDataFormatUtils.convertToString(statistics.getTimestampStats().getHighValue()));
+ }
+ if (statistics.getTimestampStats().isSetNumNulls()) {
+ result.put("numNulls", statistics.getTimestampStats().getNumNulls());
+ }
+ if (statistics.getTimestampStats().isSetNumDVs()) {
+ result.put("distinctCount",
statistics.getTimestampStats().getNumDVs());
Review comment:
Minor - "min", "max", "numNulls", "distinctCount" and the rest of the keys
should be put into constants.
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Issue Time Tracking
-------------------
Worklog Id: (was: 336172)
Time Spent: 20m (was: 10m)
> Propagate min/max column values from statistics to the optimizer for
> timestamp type
> -----------------------------------------------------------------------------------
>
> Key: HIVE-22311
> URL: https://issues.apache.org/jira/browse/HIVE-22311
> Project: Hive
> Issue Type: Bug
> Components: Statistics
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-22311.01.patch, HIVE-22311.01.patch,
> HIVE-22311.02.patch, HIVE-22311.03.patch, HIVE-22311.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Currently stats annotation does not consider timestamp type e.g. for
> estimates with range predicates.
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