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https://issues.apache.org/jira/browse/HIVE-21818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16855186#comment-16855186
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Hive QA commented on HIVE-21818:
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| (x) *{color:red}-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} 10m
16s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
30s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
59s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 5m
20s{color} | {color:blue} ql in master has 2261 extant Findbugs warnings.
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
13s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m
50s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 1m
28s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m
56s{color} | {color:red} ql: The patch generated 6 new + 676 unchanged - 6
fixed = 682 total (was 682) {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} 5m
11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
14s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
19s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 31m 6s{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-17403/dev-support/hive-personality.sh
|
| git revision | master / f62379b |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle |
http://104.198.109.242/logs//PreCommit-HIVE-Build-17403/yetus/diff-checkstyle-ql.txt
|
| modules | C: ql U: ql |
| Console output |
http://104.198.109.242/logs//PreCommit-HIVE-Build-17403/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
> Attachments: HIVE-21818.01.patch, HIVE-21818.patch
>
>
> 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}
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