Impala Public Jenkins has posted comments on this change. (
http://gerrit.cloudera.org:8080/11528 )
Change subject: IMPALA-3710: All-null columns give wrong estimates in planner
Modified the planner to handle low-value NDVs by adjusting them upward by one
to account for null values. Thus, even
Impala Public Jenkins has posted comments on this change. (
http://gerrit.cloudera.org:8080/11528 )
Change subject: IMPALA-3710: All-null columns give wrong estimates in planner
Modified the planner to handle low-value NDVs by adjusting them upward by one
to account for null values. Thus, even
Impala Public Jenkins has posted comments on this change. (
http://gerrit.cloudera.org:8080/11528 )
Change subject: IMPALA-3710: All-null columns give wrong estimates in planner
Modified the planner to handle low-value NDVs by adjusting them upward by one
to account for null values. Thus, even
Hello Impala Public Jenkins,
I'd like you to reexamine a change. Please visit
http://gerrit.cloudera.org:8080/11528
to look at the new patch set (#3).
Change subject: IMPALA-3710: All-null columns give wrong estimates in planner
Modified the planner to handle low-value NDVs by adjusting th
Impala Public Jenkins has posted comments on this change. (
http://gerrit.cloudera.org:8080/11528 )
Change subject: IMPALA-3710: All-null columns give wrong estimates in planner
Modified the planner to handle low-value NDVs by adjusting them upward by one
to account for null values. Thus, even
Paul Rogers has uploaded a new patch set (#2). (
http://gerrit.cloudera.org:8080/11528 )
Change subject: IMPALA-3710: All-null columns give wrong estimates in planner
Modified the planner to handle low-value NDVs by adjusting them upward by one
to account for null values. Thus, even an all-null