[
https://issues.apache.org/jira/browse/HIVE-4293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Phabricator updated HIVE-4293:
------------------------------
Attachment: HIVE-4293.D9933.1.patch
navis requested code review of "HIVE-4293 [jira] Predicates following UDTF
operator are removed by PPD".
Reviewers: JIRA
HIVE-4293 Predicates following UDTF operator are removed by PPD
For example,
explain SELECT value from (
select explode(array(key, value)) as (value) from (
select * FROM src WHERE key > 200
) A
) B WHERE value > 300
;
Makes plan like this, removing last predicates
TableScan
alias: src
Filter Operator
predicate:
expr: (key > 200.0)
type: boolean
Select Operator
expressions:
expr: array(key,value)
type: array<string>
outputColumnNames: _col0
UDTF Operator
function name: explode
Select Operator
expressions:
expr: col
type: string
outputColumnNames: _col0
File Output Operator
compressed: false
GlobalTableId: 0
table:
input format: org.apache.hadoop.mapred.TextInputFormat
output format:
org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
TEST PLAN
EMPTY
REVISION DETAIL
https://reviews.facebook.net/D9933
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
ql/src/java/org/apache/hadoop/hive/ql/ppd/ExprWalkerInfo.java
ql/src/java/org/apache/hadoop/hive/ql/ppd/OpProcFactory.java
ql/src/java/org/apache/hadoop/hive/ql/ppd/PredicatePushDown.java
ql/src/test/queries/clientpositive/lateral_view_ppd.q
ql/src/test/queries/clientpositive/ppd_udtf.q
ql/src/test/results/clientpositive/lateral_view_ppd.q.out
ql/src/test/results/clientpositive/ppd2.q.out
ql/src/test/results/clientpositive/ppd_gby.q.out
ql/src/test/results/clientpositive/ppd_gby2.q.out
ql/src/test/results/clientpositive/ppd_udtf.q.out
MANAGE HERALD RULES
https://reviews.facebook.net/herald/view/differential/
WHY DID I GET THIS EMAIL?
https://reviews.facebook.net/herald/transcript/23685/
To: JIRA, navis
> Predicates following UDTF operator are removed by PPD
> -----------------------------------------------------
>
> Key: HIVE-4293
> URL: https://issues.apache.org/jira/browse/HIVE-4293
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Navis
> Assignee: Navis
> Attachments: HIVE-4293.D9933.1.patch
>
>
> For example,
> {noformat}
> explain SELECT value from (
> select explode(array(key, value)) as (value) from (
> select * FROM src WHERE key > 200
> ) A
> ) B WHERE value > 300
> ;
> {noformat}
> Makes plan like this, removing last predicates
> {noformat}
> TableScan
> alias: src
> Filter Operator
> predicate:
> expr: (key > 200.0)
> type: boolean
> Select Operator
> expressions:
> expr: array(key,value)
> type: array<string>
> outputColumnNames: _col0
> UDTF Operator
> function name: explode
> Select Operator
> expressions:
> expr: col
> type: string
> outputColumnNames: _col0
> File Output Operator
> compressed: false
> GlobalTableId: 0
> table:
> input format: org.apache.hadoop.mapred.TextInputFormat
> output format:
> org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat
> {noformat}
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