Examples with MDatabase org.apache.hadoop.hive.metastore.model.MDatabase used on opensource projects

Example 11 with MDatabase

use of org.apache.hadoop.hive.metastore.model.MDatabase in project hive by apache.

the class ObjectStore method grantPrivileges.

@Override
public boolean grantPrivileges(PrivilegeBag privileges) throws InvalidObjectException, MetaException, NoSuchObjectException {
    boolean committed = false;
    int now = (int) (System.currentTimeMillis() / 1000);
    try {
        openTransaction();
        List<Object> persistentObjs = new ArrayList<Object>();
        List<HiveObjectPrivilege> privilegeList = privileges.getPrivileges();
        if (privilegeList != null && privilegeList.size() > 0) {
            Iterator<HiveObjectPrivilege> privIter = privilegeList.iterator();
            Set<String> privSet = new HashSet<String>();
            while (privIter.hasNext()) {
                HiveObjectPrivilege privDef = privIter.next();
                HiveObjectRef hiveObject = privDef.getHiveObject();
                String privilegeStr = privDef.getGrantInfo().getPrivilege();
                String[] privs = privilegeStr.split(",");
                String userName = privDef.getPrincipalName();
                PrincipalType principalType = privDef.getPrincipalType();
                String grantor = privDef.getGrantInfo().getGrantor();
                String grantorType = privDef.getGrantInfo().getGrantorType().toString();
                boolean grantOption = privDef.getGrantInfo().isGrantOption();
                privSet.clear();
                if (principalType == PrincipalType.ROLE) {
                    validateRole(userName);
                }
                if (hiveObject.getObjectType() == HiveObjectType.GLOBAL) {
                    List<MGlobalPrivilege> globalPrivs = this.listPrincipalMGlobalGrants(userName, principalType);
                    if (globalPrivs != null) {
                        for (MGlobalPrivilege priv : globalPrivs) {
                            if (priv.getGrantor().equalsIgnoreCase(grantor)) {
                                privSet.add(priv.getPrivilege());
                            }
                        }
                    }
                    for (String privilege : privs) {
                        if (privSet.contains(privilege)) {
                            throw new InvalidObjectException(privilege + " is already granted by " + grantor);
                        }
                        MGlobalPrivilege mGlobalPrivs = new MGlobalPrivilege(userName, principalType.toString(), privilege, now, grantor, grantorType, grantOption);
                        persistentObjs.add(mGlobalPrivs);
                    }
                } else if (hiveObject.getObjectType() == HiveObjectType.DATABASE) {
                    MDatabase dbObj = getMDatabase(hiveObject.getDbName());
                    if (dbObj != null) {
                        List<MDBPrivilege> dbPrivs = this.listPrincipalMDBGrants(userName, principalType, hiveObject.getDbName());
                        if (dbPrivs != null) {
                            for (MDBPrivilege priv : dbPrivs) {
                                if (priv.getGrantor().equalsIgnoreCase(grantor)) {
                                    privSet.add(priv.getPrivilege());
                                }
                            }
                        }
                        for (String privilege : privs) {
                            if (privSet.contains(privilege)) {
                                throw new InvalidObjectException(privilege + " is already granted on database " + hiveObject.getDbName() + " by " + grantor);
                            }
                            MDBPrivilege mDb = new MDBPrivilege(userName, principalType.toString(), dbObj, privilege, now, grantor, grantorType, grantOption);
                            persistentObjs.add(mDb);
                        }
                    }
                } else if (hiveObject.getObjectType() == HiveObjectType.TABLE) {
                    MTable tblObj = getMTable(hiveObject.getDbName(), hiveObject.getObjectName());
                    if (tblObj != null) {
                        List<MTablePrivilege> tablePrivs = this.listAllMTableGrants(userName, principalType, hiveObject.getDbName(), hiveObject.getObjectName());
                        if (tablePrivs != null) {
                            for (MTablePrivilege priv : tablePrivs) {
                                if (priv.getGrantor() != null && priv.getGrantor().equalsIgnoreCase(grantor)) {
                                    privSet.add(priv.getPrivilege());
                                }
                            }
                        }
                        for (String privilege : privs) {
                            if (privSet.contains(privilege)) {
                                throw new InvalidObjectException(privilege + " is already granted on table [" + hiveObject.getDbName() + "," + hiveObject.getObjectName() + "] by " + grantor);
                            }
                            MTablePrivilege mTab = new MTablePrivilege(userName, principalType.toString(), tblObj, privilege, now, grantor, grantorType, grantOption);
                            persistentObjs.add(mTab);
                        }
                    }
                } else if (hiveObject.getObjectType() == HiveObjectType.PARTITION) {
                    MPartition partObj = this.getMPartition(hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject.getPartValues());
                    String partName = null;
                    if (partObj != null) {
                        partName = partObj.getPartitionName();
                        List<MPartitionPrivilege> partPrivs = this.listPrincipalMPartitionGrants(userName, principalType, hiveObject.getDbName(), hiveObject.getObjectName(), partObj.getPartitionName());
                        if (partPrivs != null) {
                            for (MPartitionPrivilege priv : partPrivs) {
                                if (priv.getGrantor().equalsIgnoreCase(grantor)) {
                                    privSet.add(priv.getPrivilege());
                                }
                            }
                        }
                        for (String privilege : privs) {
                            if (privSet.contains(privilege)) {
                                throw new InvalidObjectException(privilege + " is already granted on partition [" + hiveObject.getDbName() + "," + hiveObject.getObjectName() + "," + partName + "] by " + grantor);
                            }
                            MPartitionPrivilege mTab = new MPartitionPrivilege(userName, principalType.toString(), partObj, privilege, now, grantor, grantorType, grantOption);
                            persistentObjs.add(mTab);
                        }
                    }
                } else if (hiveObject.getObjectType() == HiveObjectType.COLUMN) {
                    MTable tblObj = getMTable(hiveObject.getDbName(), hiveObject.getObjectName());
                    if (tblObj != null) {
                        if (hiveObject.getPartValues() != null) {
                            MPartition partObj = null;
                            List<MPartitionColumnPrivilege> colPrivs = null;
                            partObj = this.getMPartition(hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject.getPartValues());
                            if (partObj == null) {
                                continue;
                            }
                            colPrivs = this.listPrincipalMPartitionColumnGrants(userName, principalType, hiveObject.getDbName(), hiveObject.getObjectName(), partObj.getPartitionName(), hiveObject.getColumnName());
                            if (colPrivs != null) {
                                for (MPartitionColumnPrivilege priv : colPrivs) {
                                    if (priv.getGrantor().equalsIgnoreCase(grantor)) {
                                        privSet.add(priv.getPrivilege());
                                    }
                                }
                            }
                            for (String privilege : privs) {
                                if (privSet.contains(privilege)) {
                                    throw new InvalidObjectException(privilege + " is already granted on column " + hiveObject.getColumnName() + " [" + hiveObject.getDbName() + "," + hiveObject.getObjectName() + "," + partObj.getPartitionName() + "] by " + grantor);
                                }
                                MPartitionColumnPrivilege mCol = new MPartitionColumnPrivilege(userName, principalType.toString(), partObj, hiveObject.getColumnName(), privilege, now, grantor, grantorType, grantOption);
                                persistentObjs.add(mCol);
                            }
                        } else {
                            List<MTableColumnPrivilege> colPrivs = null;
                            colPrivs = this.listPrincipalMTableColumnGrants(userName, principalType, hiveObject.getDbName(), hiveObject.getObjectName(), hiveObject.getColumnName());
                            if (colPrivs != null) {
                                for (MTableColumnPrivilege priv : colPrivs) {
                                    if (priv.getGrantor().equalsIgnoreCase(grantor)) {
                                        privSet.add(priv.getPrivilege());
                                    }
                                }
                            }
                            for (String privilege : privs) {
                                if (privSet.contains(privilege)) {
                                    throw new InvalidObjectException(privilege + " is already granted on column " + hiveObject.getColumnName() + " [" + hiveObject.getDbName() + "," + hiveObject.getObjectName() + "] by " + grantor);
                                }
                                MTableColumnPrivilege mCol = new MTableColumnPrivilege(userName, principalType.toString(), tblObj, hiveObject.getColumnName(), privilege, now, grantor, grantorType, grantOption);
                                persistentObjs.add(mCol);
                            }
                        }
                    }
                }
            }
        }
        if (persistentObjs.size() > 0) {
            pm.makePersistentAll(persistentObjs);
        }
        committed = commitTransaction();
    } finally {
        if (!committed) {
            rollbackTransaction();
        }
    }
    return committed;
}

Example 12 with MDatabase

use of org.apache.hadoop.hive.metastore.model.MDatabase in project hive by apache.

the class ObjectStore method getMDatabase.

@SuppressWarnings("nls")
private MDatabase getMDatabase(String name) throws NoSuchObjectException {
    MDatabase mdb = null;
    boolean commited = false;
    Query query = null;
    try {
        openTransaction();
        name = HiveStringUtils.normalizeIdentifier(name);
        query = pm.newQuery(MDatabase.class, "name == dbname");
        query.declareParameters("java.lang.String dbname");
        query.setUnique(true);
        mdb = (MDatabase) query.execute(name);
        pm.retrieve(mdb);
        commited = commitTransaction();
    } finally {
        if (!commited) {
            rollbackTransaction();
        }
        if (query != null) {
            query.closeAll();
        }
    }
    if (mdb == null) {
        throw new NoSuchObjectException("There is no database named " + name);
    }
    return mdb;
}

Example 13 with MDatabase

use of org.apache.hadoop.hive.metastore.model.MDatabase in project hive by apache.

the class ObjectStore method dropDatabase.

@Override
public boolean dropDatabase(String dbname) throws NoSuchObjectException, MetaException {
    boolean success = false;
    LOG.info("Dropping database " + dbname + " along with all tables");
    dbname = HiveStringUtils.normalizeIdentifier(dbname);
    QueryWrapper queryWrapper = new QueryWrapper();
    try {
        openTransaction();
        // then drop the database
        MDatabase db = getMDatabase(dbname);
        pm.retrieve(db);
        if (db != null) {
            List<MDBPrivilege> dbGrants = this.listDatabaseGrants(dbname, queryWrapper);
            if (dbGrants != null && dbGrants.size() > 0) {
                pm.deletePersistentAll(dbGrants);
            }
            pm.deletePersistent(db);
        }
        success = commitTransaction();
    } finally {
        if (!success) {
            rollbackTransaction();
        }
        queryWrapper.close();
    }
    return success;
}

Example 14 with MDatabase

use of org.apache.hadoop.hive.metastore.model.MDatabase in project hive by apache.

the class ObjectStore method convertTableCols.

private List<HiveObjectPrivilege> convertTableCols(List<MTableColumnPrivilege> privs) {
    List<HiveObjectPrivilege> result = new ArrayList<HiveObjectPrivilege>();
    for (MTableColumnPrivilege priv : privs) {
        String pname = priv.getPrincipalName();
        PrincipalType ptype = PrincipalType.valueOf(priv.getPrincipalType());
        MTable mtable = priv.getTable();
        MDatabase mdatabase = mtable.getDatabase();
        HiveObjectRef objectRef = new HiveObjectRef(HiveObjectType.COLUMN, mdatabase.getName(), mtable.getTableName(), null, priv.getColumnName());
        PrivilegeGrantInfo grantor = new PrivilegeGrantInfo(priv.getPrivilege(), priv.getCreateTime(), priv.getGrantor(), PrincipalType.valueOf(priv.getGrantorType()), priv.getGrantOption());
        result.add(new HiveObjectPrivilege(objectRef, pname, ptype, grantor));
    }
    return result;
}