[
https://issues.apache.org/jira/browse/HIVE-22782?focusedWorklogId=483645&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-483645
]
ASF GitHub Bot logged work on HIVE-22782:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Sep/20 14:53
Start Date: 13/Sep/20 14:53
Worklog Time Spent: 10m
Work Description: sankarh commented on a change in pull request #1419:
URL: https://github.com/apache/hive/pull/1419#discussion_r487538671
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java
##########
@@ -5661,184 +5664,69 @@ public void dropConstraint(String dbName, String
tableName, String constraintNam
}
}
- public List<SQLDefaultConstraint> getDefaultConstraintList(String dbName,
String tblName) throws HiveException, NoSuchObjectException {
- try {
- return getMSC().getDefaultConstraints(new
DefaultConstraintsRequest(getDefaultCatalog(conf), dbName, tblName));
- } catch (NoSuchObjectException e) {
- throw e;
- } catch (Exception e) {
- throw new HiveException(e);
- }
- }
-
- public List<SQLCheckConstraint> getCheckConstraintList(String dbName, String
tblName) throws HiveException, NoSuchObjectException {
+ public SQLAllTableConstraints getTableConstraints(String dbName, String
tblName)
+ throws HiveException, NoSuchObjectException {
try {
- return getMSC().getCheckConstraints(new
CheckConstraintsRequest(getDefaultCatalog(conf),
- dbName, tblName));
+ return getMSC().getAllTableConstraints(new
AllTableConstraintsRequest(dbName, tblName, getDefaultCatalog(conf)));
} catch (NoSuchObjectException e) {
Review comment:
Will NoSuchObjectException comes here? From the interface, it sounds not.
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java
##########
@@ -5661,184 +5663,79 @@ public void dropConstraint(String dbName, String
tableName, String constraintNam
}
}
- public List<SQLDefaultConstraint> getDefaultConstraintList(String dbName,
String tblName) throws HiveException, NoSuchObjectException {
+ public SQLAllTableConstraints getTableConstraints(String dbName, String
tblName) throws HiveException, NoSuchObjectException {
try {
- return getMSC().getDefaultConstraints(new
DefaultConstraintsRequest(getDefaultCatalog(conf), dbName, tblName));
+ AllTableConstraintsRequest tableConstraintsRequest = new
AllTableConstraintsRequest();
+ tableConstraintsRequest.setDbName(dbName);
+ tableConstraintsRequest.setTblName(tblName);
+ tableConstraintsRequest.setCatName(getDefaultCatalog(conf));
+ return getMSC().getAllTableConstraints(tableConstraintsRequest);
} catch (NoSuchObjectException e) {
throw e;
} catch (Exception e) {
throw new HiveException(e);
}
}
-
- public List<SQLCheckConstraint> getCheckConstraintList(String dbName, String
tblName) throws HiveException, NoSuchObjectException {
- try {
- return getMSC().getCheckConstraints(new
CheckConstraintsRequest(getDefaultCatalog(conf),
- dbName, tblName));
- } catch (NoSuchObjectException e) {
- throw e;
- } catch (Exception e) {
- throw new HiveException(e);
- }
+ public TableConstraintsInfo getAllTableConstraints(String dbName, String
tblName) throws HiveException {
+ return getTableConstraints(dbName, tblName, false, false);
}
- /**
- * Get all primary key columns associated with the table.
- *
- * @param dbName Database Name
- * @param tblName Table Name
- * @return Primary Key associated with the table.
- * @throws HiveException
- */
- public PrimaryKeyInfo getPrimaryKeys(String dbName, String tblName) throws
HiveException {
- return getPrimaryKeys(dbName, tblName, false);
+ public TableConstraintsInfo getReliableAndEnableTableConstraints(String
dbName, String tblName) throws HiveException {
+ return getTableConstraints(dbName, tblName, true, true);
}
- /**
- * Get primary key columns associated with the table that are available for
optimization.
- *
- * @param dbName Database Name
- * @param tblName Table Name
- * @return Primary Key associated with the table.
- * @throws HiveException
- */
- public PrimaryKeyInfo getReliablePrimaryKeys(String dbName, String tblName)
throws HiveException {
- return getPrimaryKeys(dbName, tblName, true);
- }
-
- private PrimaryKeyInfo getPrimaryKeys(String dbName, String tblName, boolean
onlyReliable)
+ private TableConstraintsInfo getTableConstraints(String dbName, String
tblName, boolean reliable, boolean enable)
throws HiveException {
PerfLogger perfLogger = SessionState.getPerfLogger();
- perfLogger.perfLogBegin(CLASS_NAME, PerfLogger.HIVE_GET_PK);
- try {
- List<SQLPrimaryKey> primaryKeys = getMSC().getPrimaryKeys(new
PrimaryKeysRequest(dbName, tblName));
- if (onlyReliable && primaryKeys != null && !primaryKeys.isEmpty()) {
- primaryKeys = primaryKeys.stream()
- .filter(pk -> pk.isRely_cstr())
- .collect(Collectors.toList());
- }
-
- return new PrimaryKeyInfo(primaryKeys, tblName, dbName);
- } catch (Exception e) {
- throw new HiveException(e);
- } finally {
- perfLogger.perfLogEnd(CLASS_NAME, PerfLogger.HIVE_GET_PK, "HS2-cache");
- }
- }
-
- /**
- * Get all foreign keys associated with the table.
- *
- * @param dbName Database Name
- * @param tblName Table Name
- * @return Foreign keys associated with the table.
- * @throws HiveException
- */
- public ForeignKeyInfo getForeignKeys(String dbName, String tblName) throws
HiveException {
- return getForeignKeys(dbName, tblName, false);
- }
-
- /**
- * Get foreign keys associated with the table that are available for
optimization.
- *
- * @param dbName Database Name
- * @param tblName Table Name
- * @return Foreign keys associated with the table.
- * @throws HiveException
- */
- public ForeignKeyInfo getReliableForeignKeys(String dbName, String tblName)
throws HiveException {
- return getForeignKeys(dbName, tblName, true);
- }
-
- private ForeignKeyInfo getForeignKeys(String dbName, String tblName, boolean
onlyReliable)
- throws HiveException {
- PerfLogger perfLogger = SessionState.getPerfLogger();
- perfLogger.perfLogBegin(CLASS_NAME, PerfLogger.HIVE_GET_FK);
- try {
- List<SQLForeignKey> foreignKeys = getMSC().getForeignKeys(new
ForeignKeysRequest(null, null, dbName, tblName));
- if (onlyReliable && foreignKeys != null && !foreignKeys.isEmpty()) {
- foreignKeys = foreignKeys.stream()
- .filter(fk -> fk.isRely_cstr())
- .collect(Collectors.toList());
+ perfLogger.perfLogBegin(CLASS_NAME, PerfLogger.HIVE_GET_TABLE_CONSTRAINTS);
+ try {
+ SQLAllTableConstraints tableConstraints =
+ getMSC().getAllTableConstraints(new
AllTableConstraintsRequest(dbName, tblName));
+ if (reliable && tableConstraints != null) {
+ if (tableConstraints.getPrimaryKeys() != null &&
!tableConstraints.getPrimaryKeys().isEmpty()) {
+ tableConstraints.setPrimaryKeys(
+ tableConstraints.getPrimaryKeys().stream().filter(primaryKey ->
primaryKey.isRely_cstr())
+ .collect(Collectors.toList()));
+ }
+ if (tableConstraints.getForeignKeys() != null &&
!tableConstraints.getForeignKeys().isEmpty()) {
+ tableConstraints.setForeignKeys(
+ tableConstraints.getForeignKeys().stream().filter(foreignKey ->
foreignKey.isRely_cstr())
+ .collect(Collectors.toList()));
+ }
+ if (tableConstraints.getUniqueConstraints() != null &&
!tableConstraints.getUniqueConstraints().isEmpty()) {
+
tableConstraints.setUniqueConstraints(tableConstraints.getUniqueConstraints().stream()
+ .filter(uniqueConstraint ->
uniqueConstraint.isRely_cstr()).collect(Collectors.toList()));
+ }
+ if (tableConstraints.getNotNullConstraints() != null &&
!tableConstraints.getNotNullConstraints().isEmpty()) {
+
tableConstraints.setNotNullConstraints(tableConstraints.getNotNullConstraints().stream()
+ .filter(notNullConstraint ->
notNullConstraint.isRely_cstr()).collect(Collectors.toList()));
+ }
}
- return new ForeignKeyInfo(foreignKeys, tblName, dbName);
- } catch (Exception e) {
- throw new HiveException(e);
- } finally {
- perfLogger.perfLogEnd(CLASS_NAME, PerfLogger.HIVE_GET_FK, "HS2-cache");
- }
- }
-
- /**
- * Get all unique constraints associated with the table.
- *
- * @param dbName Database Name
- * @param tblName Table Name
- * @return Unique constraints associated with the table.
- * @throws HiveException
- */
- public UniqueConstraint getUniqueConstraints(String dbName, String tblName)
throws HiveException {
- return getUniqueConstraints(dbName, tblName, false);
- }
-
- /**
- * Get unique constraints associated with the table that are available for
optimization.
- *
- * @param dbName Database Name
- * @param tblName Table Name
- * @return Unique constraints associated with the table.
- * @throws HiveException
- */
- public UniqueConstraint getReliableUniqueConstraints(String dbName, String
tblName) throws HiveException {
- return getUniqueConstraints(dbName, tblName, true);
- }
-
- private UniqueConstraint getUniqueConstraints(String dbName, String tblName,
boolean onlyReliable)
- throws HiveException {
- PerfLogger perfLogger = SessionState.getPerfLogger();
- perfLogger.perfLogBegin(CLASS_NAME, PerfLogger.HIVE_GET_UNIQ_CONSTRAINT);
- try {
- List<SQLUniqueConstraint> uniqueConstraints =
getMSC().getUniqueConstraints(
- new UniqueConstraintsRequest(getDefaultCatalog(conf), dbName,
tblName));
- if (onlyReliable && uniqueConstraints != null &&
!uniqueConstraints.isEmpty()) {
- uniqueConstraints = uniqueConstraints.stream()
- .filter(uk -> uk.isRely_cstr())
- .collect(Collectors.toList());
+ if (enable && tableConstraints != null) {
Review comment:
ok
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Issue Time Tracking
-------------------
Worklog Id: (was: 483645)
Time Spent: 5h 40m (was: 5.5h)
> Consolidate metastore call to fetch constraints
> -----------------------------------------------
>
> Key: HIVE-22782
> URL: https://issues.apache.org/jira/browse/HIVE-22782
> Project: Hive
> Issue Type: Improvement
> Components: Query Planning
> Reporter: Vineet Garg
> Assignee: Ashish Sharma
> Priority: Major
> Labels: pull-request-available
> Time Spent: 5h 40m
> Remaining Estimate: 0h
>
> Currently separate calls are made to metastore to fetch constraints like Pk,
> fk, not null etc. Since planner always retrieve these constraints we should
> retrieve all of them in one call.
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