Examples with AddPrimaryKeyMessage org.apache.hadoop.hive.metastore.messaging.AddPrimaryKeyMessage used on opensource projects

Example 1 with AddPrimaryKeyMessage

use of org.apache.hadoop.hive.metastore.messaging.AddPrimaryKeyMessage in project hive by apache.

the class LoadConstraint method isPrimaryKeysAlreadyLoaded.

private boolean isPrimaryKeysAlreadyLoaded(String pksMsgString) throws Exception {
    AddPrimaryKeyMessage msg = deserializer.getAddPrimaryKeyMessage(pksMsgString);
    List<SQLPrimaryKey> pksInMsg = msg.getPrimaryKeys();
    if (pksInMsg.isEmpty()) {
        return true;
    }
    String dbName = StringUtils.isBlank(dbNameToLoadIn) ? pksInMsg.get(0).getTable_db() : dbNameToLoadIn;
    List<SQLPrimaryKey> pks;
    try {
        pks = context.hiveDb.getPrimaryKeyList(dbName, pksInMsg.get(0).getTable_name());
    } catch (NoSuchObjectException e) {
        return false;
    }
    return CollectionUtils.isNotEmpty(pks);
}

Example 2 with AddPrimaryKeyMessage

use of org.apache.hadoop.hive.metastore.messaging.AddPrimaryKeyMessage in project hive by apache.

the class AddPrimaryKeyHandler method handle.

@Override
public List<Task<?>> handle(Context context) throws SemanticException {
    AddPrimaryKeyMessage msg = deserializer.getAddPrimaryKeyMessage(context.dmd.getPayload());
    List<SQLPrimaryKey> pks;
    try {
        pks = msg.getPrimaryKeys();
    } catch (Exception e) {
        if (!(e instanceof SemanticException)) {
            throw new SemanticException("Error reading message members", e);
        } else {
            throw (SemanticException) e;
        }
    }
    List<Task<?>> tasks = new ArrayList<Task<?>>();
    if (pks.isEmpty()) {
        return tasks;
    }
    final String actualDbName = context.isDbNameEmpty() ? pks.get(0).getTable_db() : context.dbName;
    final String actualTblName = pks.get(0).getTable_name();
    final TableName tName = TableName.fromString(actualTblName, null, actualDbName);
    for (SQLPrimaryKey pk : pks) {
        pk.setTable_db(actualDbName);
        pk.setTable_name(actualTblName);
    }
    Constraints constraints = new Constraints(pks, null, null, null, null, null);
    AlterTableAddConstraintDesc addConstraintsDesc = new AlterTableAddConstraintDesc(tName, context.eventOnlyReplicationSpec(), constraints);
    Task<DDLWork> addConstraintsTask = TaskFactory.get(new DDLWork(readEntitySet, writeEntitySet, addConstraintsDesc, true, context.getDumpDirectory(), context.getMetricCollector()), context.hiveConf);
    tasks.add(addConstraintsTask);
    context.log.debug("Added add constrains task : {}:{}", addConstraintsTask.getId(), actualTblName);
    updatedMetadata.set(context.dmd.getEventTo().toString(), actualDbName, actualTblName, null);
    return Collections.singletonList(addConstraintsTask);
}

Example 3 with AddPrimaryKeyMessage

use of org.apache.hadoop.hive.metastore.messaging.AddPrimaryKeyMessage in project hive by apache.

the class DbNotificationListener method onAddPrimaryKey.

/**
 * @param addPrimaryKeyEvent add primary key event
 * @throws MetaException
 */
@Override
public void onAddPrimaryKey(AddPrimaryKeyEvent addPrimaryKeyEvent) throws MetaException {
    List<SQLPrimaryKey> cols = addPrimaryKeyEvent.getPrimaryKeyCols();
    if (cols.size() > 0) {
        AddPrimaryKeyMessage msg = MessageBuilder.getInstance().buildAddPrimaryKeyMessage(addPrimaryKeyEvent.getPrimaryKeyCols());
        NotificationEvent event = new NotificationEvent(0, now(), EventType.ADD_PRIMARYKEY.toString(), msgEncoder.getSerializer().serialize(msg));
        event.setCatName(cols.get(0).isSetCatName() ? cols.get(0).getCatName() : DEFAULT_CATALOG_NAME);
        event.setDbName(cols.get(0).getTable_db());
        event.setTableName(cols.get(0).getTable_name());
        process(event, addPrimaryKeyEvent);
    }
}