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

Example 1 with AddDefaultConstraintMessage

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

the class LoadConstraint method isDefaultConstraintsAlreadyLoaded.

private boolean isDefaultConstraintsAlreadyLoaded(String dksMsgString) throws Exception {
    AddDefaultConstraintMessage msg = deserializer.getAddDefaultConstraintMessage(dksMsgString);
    List<SQLDefaultConstraint> dksInMsg = msg.getDefaultConstraints();
    if (dksInMsg.isEmpty()) {
        return true;
    }
    String dbName = StringUtils.isBlank(dbNameToLoadIn) ? dksInMsg.get(0).getTable_db() : dbNameToLoadIn;
    List<SQLDefaultConstraint> dks;
    try {
        dks = context.hiveDb.getDefaultConstraintList(dbName, dksInMsg.get(0).getTable_name());
    } catch (NoSuchObjectException e) {
        return false;
    }
    return ((dks != null) && !dks.isEmpty());
}

Example 2 with AddDefaultConstraintMessage

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

the class AddDefaultConstraintHandler method handle.

@Override
public List<Task<?>> handle(Context context) throws SemanticException {
    AddDefaultConstraintMessage msg = deserializer.getAddDefaultConstraintMessage(context.dmd.getPayload());
    List<SQLDefaultConstraint> dcs;
    try {
        dcs = msg.getDefaultConstraints();
    } 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 (dcs.isEmpty()) {
        return tasks;
    }
    final String actualDbName = context.isDbNameEmpty() ? dcs.get(0).getTable_db() : context.dbName;
    final String actualTblName = dcs.get(0).getTable_name();
    final TableName tName = TableName.fromString(actualTblName, null, actualDbName);
    for (SQLDefaultConstraint dc : dcs) {
        dc.setTable_db(actualDbName);
        dc.setTable_name(actualTblName);
    }
    Constraints constraints = new Constraints(null, null, null, null, dcs, 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 AddDefaultConstraintMessage

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

the class DbNotificationListener method onAddDefaultConstraint.

/**
 * @param addDefaultConstraintEvent add default constraint event
 * @throws MetaException
 */
@Override
public void onAddDefaultConstraint(AddDefaultConstraintEvent addDefaultConstraintEvent) throws MetaException {
    List<SQLDefaultConstraint> cols = addDefaultConstraintEvent.getDefaultConstraintCols();
    if (cols.size() > 0) {
        AddDefaultConstraintMessage colsInMsg = MessageBuilder.getInstance().buildAddDefaultConstraintMessage(cols);
        NotificationEvent event = new NotificationEvent(0, now(), EventType.ADD_DEFAULTCONSTRAINT.toString(), msgEncoder.getSerializer().serialize(colsInMsg));
        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, addDefaultConstraintEvent);
    }
}