QiangCai commented on a change in pull request #3183: [CARBONDATA-3349] Show
sort_columns for each segment
URL: https://github.com/apache/carbondata/pull/3183#discussion_r279175349
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File path:
integration/spark-common/src/main/scala/org/apache/carbondata/api/CarbonStore.scala
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@@ -145,6 +152,208 @@ object CarbonStore {
}
}
+ def showSegments(
+ limit: Option[String],
+ carbonTable: CarbonTable,
+ hadoopConf: Configuration,
+ showHistory: Boolean): Seq[Row] = {
+ val metaFolder = CarbonTablePath.getMetadataPath(carbonTable.getTablePath)
+ val loadMetadataDetailsArray = if (showHistory) {
+ SegmentStatusManager.readLoadMetadata(metaFolder) ++
+ SegmentStatusManager.readLoadHistoryMetadata(metaFolder)
+ } else {
+ SegmentStatusManager.readLoadMetadata(metaFolder)
+ }
+
+ if (loadMetadataDetailsArray.nonEmpty) {
+ var loadMetadataDetailsSortedArray = loadMetadataDetailsArray.sortWith {
(l1, l2) =>
+ java.lang.Double.parseDouble(l1.getLoadName) >
java.lang.Double.parseDouble(l2.getLoadName)
+ }
+ if (!showHistory) {
+ loadMetadataDetailsSortedArray = loadMetadataDetailsSortedArray
+ .filter(_.getVisibility.equalsIgnoreCase("true"))
+ }
+ if (limit.isDefined) {
+ val limitLoads = limit.get
+ try {
+ val lim = Integer.parseInt(limitLoads)
+ loadMetadataDetailsSortedArray =
loadMetadataDetailsSortedArray.slice(0, lim)
+ } catch {
+ case _: NumberFormatException =>
+ CarbonException.analysisException("Entered limit is not a valid
Number")
+ }
+ }
+ val tableDataMap: TableDataMap =
+ DataMapStoreManager.getInstance.getDefaultDataMap(carbonTable)
+ val readCommitScope: ReadCommittedScope =
+ new TableStatusReadCommittedScope(
+ carbonTable.getAbsoluteTableIdentifier,
+
loadMetadataDetailsSortedArray.filter(_.getVisibility.equalsIgnoreCase("true")),
+ hadoopConf)
+ loadMetadataDetailsSortedArray
+ .map { load =>
+ val mergedTo =
+ if (load.getMergedLoadName != null) {
+ load.getMergedLoadName
+ } else {
+ "NA"
+ }
+
+ val startTime =
+ if (load.getLoadStartTime ==
CarbonCommonConstants.SEGMENT_LOAD_TIME_DEFAULT) {
+ "NA"
+ } else {
+ new java.sql.Timestamp(load.getLoadStartTime).toString
+ }
+
+ val endTime =
+ if (load.getLoadEndTime ==
CarbonCommonConstants.SEGMENT_LOAD_TIME_DEFAULT) {
+ "NA"
+ } else {
+ new java.sql.Timestamp(load.getLoadEndTime).toString
+ }
+
+ val (dataSize, indexSize) = if (load.getFileFormat ==
FileFormat.ROW_V1) {
+ // for streaming segment, we should get the actual size from the
index file
+ // since it is continuously inserting data
+ val segmentDir =
+ CarbonTablePath.getSegmentPath(carbonTable.getTablePath,
load.getLoadName)
Review comment:
it is old code, already change to reuse code
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