Examples with HiveException org.apache.hadoop.hive.ql.metadata.HiveException used on opensource projects

Example 71 with HiveException

use of org.apache.hadoop.hive.ql.metadata.HiveException in project hive by apache.

the class DDLTask method showGrants.

private int showGrants(Hive db, ShowGrantDesc showGrantDesc) throws HiveException {
    HiveAuthorizer authorizer = getSessionAuthorizer(db);
    try {
        List<HivePrivilegeInfo> privInfos = authorizer.showPrivileges(getAuthorizationTranslator(authorizer).getHivePrincipal(showGrantDesc.getPrincipalDesc()), getAuthorizationTranslator(authorizer).getHivePrivilegeObject(showGrantDesc.getHiveObj()));
        boolean testMode = conf.getBoolVar(HiveConf.ConfVars.HIVE_IN_TEST);
        writeToFile(writeGrantInfo(privInfos, testMode), showGrantDesc.getResFile());
    } catch (IOException e) {
        throw new HiveException("Error in show grant statement", e);
    }
    return 0;
}

Example 72 with HiveException

use of org.apache.hadoop.hive.ql.metadata.HiveException in project SQLWindowing by hbutani.

the class PTFOperator method processOp.

@Override
public void processOp(Object row, int tag) throws HiveException {
    try {
        if (!isMapOperator) {
            /*
				 * checkif current row belongs to the current accumulated Partition:
				 * - If not:
				 * 	- process the current Partition
				 *  - reset input Partition
				 * - set currentKey to the newKey if it is null or has changed.
				 */
            newKeys.getNewKey(row, inputPart.getOI());
            boolean keysAreEqual = (currentKeys != null && newKeys != null) ? newKeys.equals(currentKeys) : false;
            if (currentKeys != null && !keysAreEqual) {
                processInputPartition();
                inputPart = RuntimeUtils.createFirstPartitionForChain(qDef, inputObjInspectors[0], hiveConf, isMapOperator);
            }
            if (currentKeys == null || !keysAreEqual) {
                if (currentKeys == null) {
                    currentKeys = newKeys.copyKey();
                } else {
                    currentKeys.copyKey(newKeys);
                }
            }
        }
        // add row to current Partition.
        inputPart.append(row);
    } catch (WindowingException we) {
        throw new HiveException("Cannot process PTFOperator.", we);
    }
}

Example 73 with HiveException

use of org.apache.hadoop.hive.ql.metadata.HiveException in project hive by apache.

the class SemanticAnalyzer method comparePathKeyStrength.

/**
 * Compares to path key encryption strenghts.
 *
 * @param p1 Path to an HDFS file system
 * @param p2 Path to an HDFS file system
 * @return -1 if strength is weak; 0 if is equals; 1 if it is stronger
 * @throws HiveException If an error occurs while comparing key strengths.
 */
private int comparePathKeyStrength(Path p1, Path p2) throws HiveException {
    HadoopShims.HdfsEncryptionShim hdfsEncryptionShim;
    hdfsEncryptionShim = SessionState.get().getHdfsEncryptionShim();
    if (hdfsEncryptionShim != null) {
        try {
            return hdfsEncryptionShim.comparePathKeyStrength(p1, p2);
        } catch (Exception e) {
            throw new HiveException("Unable to compare key strength for " + p1 + " and " + p2 + " : " + e, e);
        }
    }
    // Non-encrypted path (or equals strength)
    return 0;
}

Example 74 with HiveException

use of org.apache.hadoop.hive.ql.metadata.HiveException in project hive by apache.

the class SemanticAnalyzer method isPathReadOnly.

/**
 * Checks if a given path has read-only access permissions.
 *
 * @param path The path to check for read-only permissions.
 * @return True if the path is read-only; False otherwise.
 * @throws HiveException If an error occurs while checking file permissions.
 */
private boolean isPathReadOnly(Path path) throws HiveException {
    HiveConf conf = SessionState.get().getConf();
    try {
        FileSystem fs = path.getFileSystem(conf);
        UserGroupInformation ugi = Utils.getUGI();
        FileStatus status = fs.getFileStatus(path);
        // We just check for writing permissions. If it fails with AccessControException, then it
        // means the location may be read-only.
        FileUtils.checkFileAccessWithImpersonation(fs, status, FsAction.WRITE, ugi.getUserName());
        // Path has writing permissions
        return false;
    } catch (AccessControlException e) {
        // but we take it as if our path is read-only
        return true;
    } catch (Exception e) {
        throw new HiveException("Unable to determine if " + path + " is read only: " + e, e);
    }
}

Example 75 with HiveException

use of org.apache.hadoop.hive.ql.metadata.HiveException in project hive by apache.

the class SemanticAnalyzer method getMaterializationMetadata.

public void getMaterializationMetadata(QB qb) throws SemanticException {
    try {
        gatherCTEReferences(qb, rootClause);
        int threshold = HiveConf.getIntVar(conf, HiveConf.ConfVars.HIVE_CTE_MATERIALIZE_THRESHOLD);
        for (CTEClause cte : Sets.newHashSet(aliasToCTEs.values())) {
            if (threshold >= 0 && cte.reference >= threshold) {
                cte.materialize = true;
            }
        }
    } catch (HiveException e) {
        // Has to use full name to make sure it does not conflict with
        // org.apache.commons.lang.StringUtils
        LOG.error(org.apache.hadoop.util.StringUtils.stringifyException(e));
        if (e instanceof SemanticException) {
            throw (SemanticException) e;
        }
        throw new SemanticException(e.getMessage(), e);
    }
}