[ https://issues.apache.org/jira/browse/HIVE-21818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16857631#comment-16857631 ]
Hive QA commented on HIVE-21818: -------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || 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} 10m 1s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 7s{color} | {color:green} master passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 47s{color} | {color:green} master passed {color} | | {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 4m 12s{color} | {color:blue} ql in master has 2256 extant Findbugs warnings. {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 1s{color} | {color:green} master passed {color} | || || || || {color:brown} Patch Compile Tests {color} || | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 31s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m 10s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m 10s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 52s{color} | {color:red} ql: The patch generated 5 new + 680 unchanged - 7 fixed = 685 total (was 687) {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 31s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 2s{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} 27m 3s{color} | {color:black} {color} | \\ \\ || 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-17451/dev-support/hive-personality.sh | | git revision | master / e7f2fccd | | Default Java | 1.8.0_111 | | findbugs | v3.0.0 | | checkstyle | http://104.198.109.242/logs//PreCommit-HIVE-Build-17451/yetus/diff-checkstyle-ql.txt | | modules | C: ql U: ql | | Console output | http://104.198.109.242/logs//PreCommit-HIVE-Build-17451/yetus.txt | | Powered by | Apache Yetus http://yetus.apache.org | This message was automatically generated. > CBO: Copying TableRelOptHiveTable has metastore traffic > ------------------------------------------------------- > > Key: HIVE-21818 > URL: https://issues.apache.org/jira/browse/HIVE-21818 > Project: Hive > Issue Type: Bug > Components: CBO > Reporter: Gopal V > Assignee: Jesus Camacho Rodriguez > Priority: Major > Labels: pull-request-available > Attachments: HIVE-21818.01.patch, HIVE-21818.02.patch, > HIVE-21818.03.patch, HIVE-21818.04.patch, HIVE-21818.04.patch, > HIVE-21818.05.patch, HIVE-21818.05.patch, HIVE-21818.patch > > Time Spent: 10m > Remaining Estimate: 0h > > While the optimizer is running, whenever it makes a copy of the TableScan to > perform potential rewrites, there is Hive metastore traffic from inside CBO > optimizer. > {code} > public RelOptHiveTable(RelOptSchema calciteSchema, RelDataTypeFactory > typeFactory, List<String> qualifiedTblName, > RelDataType rowType, Table hiveTblMetadata, List<ColumnInfo> > hiveNonPartitionCols, > List<ColumnInfo> hivePartitionCols, List<VirtualColumn> > hiveVirtualCols, HiveConf hconf, > Map<String, PrunedPartitionList> partitionCache, Map<String, > ColumnStatsList> colStatsCache, > AtomicInteger noColsMissingStats) { .... > Pair<List<ImmutableBitSet>, List<ImmutableBitSet>> constraintKeys = > generateKeys(); > this.keys = constraintKeys.left; > this.nonNullablekeys = constraintKeys.right; > this.referentialConstraints = generateReferentialConstraints(); > } > {code} > This is triggered from the rules as the partition pruner > {code} > protected void perform(RelOptRuleCall call, Filter filter, > HiveTableScan tScan) { > // Original table > RelOptHiveTable hiveTable = (RelOptHiveTable) tScan.getTable(); > // Copy original table scan and table > HiveTableScan tScanCopy = tScan.copyIncludingTable(tScan.getRowType()); > RelOptHiveTable hiveTableCopy = (RelOptHiveTable) tScanCopy.getTable(); > ... > if (StringUtils.equals(hiveTableCopy.getPartitionListKey(), > hiveTable.getPartitionListKey())) { > // Nothing changed, we do not need to produce a new expression > return; > } > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)