Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/1248#discussion_r141729695
--- Diff: core/sql/ustat/hs_globals.cpp ---
@@ -8472,6 +8472,23 @@ Lng32
HSGlobalsClass::groupListFromTable(HSColGroupStruct*& groupList,
// Initialize the pointer to the group list we will build.
groupList = NULL;
+
+ // if showstats for a native hbase table, need to check if the schema
_HBASESTATS_ exist
+ if (strcmp(hstogram_table->data(),
"TRAFODION.\"_HBASESTATS_\".SB_HISTOGRAMS") == 0)
+ {
+ NAString queryStr = "SELECT count(*) FROM \"_MD_\".OBJECTS WHERE
SCHEMA_NAME='_HBASESTATS_' "
+ "AND OBJECT_NAME='__SCHEMA__' AND
OBJECT_TYPE='PS';";
+ HSCursor cursor;
+ retcode = cursor.prepareQuery(queryStr.data(), 0, 1);
+ HSHandleError(retcode);
+ retcode = cursor.open();
+ HSHandleError(retcode);
+ ULng32 cnt;
+ retcode = cursor.fetch (1, (void *)&cnt);
+ HSHandleError(retcode);
+ if (cnt == 0)
+ return 0;
--- End diff --
We need to do an LM->StopTimer() before returning.
---
