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Posted to issues@hive.apache.org by "Hive QA (Jira)" <ji...@apache.org> on 2020/02/01 08:29:00 UTC
[jira] [Commented] (HIVE-22816) QueryCache: Queries using views can
have them cached after CTE expansion
[ https://issues.apache.org/jira/browse/HIVE-22816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17028008#comment-17028008 ]
Hive QA commented on HIVE-22816:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 9m 44s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 45s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m 19s{color} | {color:blue} ql in master has 1537 extant Findbugs warnings. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 37s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 14s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 4m 32s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 3s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 14s{color} | {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 26m 55s{color} | {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests | asflicense javac javadoc findbugs checkstyle compile |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 3.16.43-2+deb8u5 (2017-09-19) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /data/hiveptest/working/yetus_PreCommit-HIVE-Build-20439/dev-support/hive-personality.sh |
| git revision | master / d4248dc |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.1 |
| modules | C: ql U: ql |
| Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-20439/yetus.txt |
| Powered by | Apache Yetus http://yetus.apache.org |
This message was automatically generated.
> QueryCache: Queries using views can have them cached after CTE expansion
> ------------------------------------------------------------------------
>
> Key: HIVE-22816
> URL: https://issues.apache.org/jira/browse/HIVE-22816
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Gopal Vijayaraghavan
> Assignee: Gopal Vijayaraghavan
> Priority: Major
> Attachments: HIVE-22816.1.patch
>
>
> {code}
> create view ss_null as select * from store_Sales where ss_Sold_date_sk is null;
> select count(ss_ticket_number) from ss_null;
> with ss_null_cte as
> (select * from store_Sales where ss_Sold_date_sk is null)
> select count(ss_ticket_number) from ss_null_cte;
> {code}
> Are treated differently by the query cache, however their execution is identical.
> CBO rewrites the view query into AST form as follows
> {code}
> SELECT COUNT(`ss_ticket_number`) AS `$f0`
> FROM `tpcds_bin_partitioned_acid_orc_10000`.`store_sales`
> WHERE `ss_sold_date_sk` IS NULL
> {code}
> But retains the write-entity for the VIRTUAL_VIEW for Ranger authorization
> {code}
> 0: jdbc:hive2://localhost:10013> explain dependency select count(distinct ss_ticket_number) from ss_null;
> +----------------------------------------------------+
> | Explain |
> +----------------------------------------------------+
> | {"input_tables":[{"tablename":"tpcds_bin_partitioned_acid_orc_10000@ss_null","tabletype":"VIRTUAL_VIEW"},{"tablename":"tpcds_bin_partitioned_acid_orc_10000@store_sales","tabletype":"MANAGED_TABLE","tableParents":"[tpcds_bin_partitioned_acid_orc_10000@ss_null]"}],"input_partitions":[{"partitionName":"tpcds_bin_partitioned_acid_orc_10000@store_sales@ss_sold_date_sk=__HIVE_DEFAULT_PARTITION__"}]} |
> +----------------------------------------------------+
> {code}
> Causing Query cache to print out
> {code}
> parse.CalcitePlanner: Not eligible for results caching - query contains non-transactional tables [ss_null]
> {code}
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