// **************************************************************************** // method: getListOfReferencedTables // // Returns a list of all tables that are being referenced by the passed in // view UID // // Parameters: // cliInterface - used to get the list of object usages // objectUID - the UID being processed // tableList - a list of objectRefdByMe structures describing each usage // // returns: // 0 - successful // -1 - unexpected error occurred // **************************************************************************** short CmpSeabaseDDL::getListOfReferencedTables( ExeCliInterface * cliInterface, const Int64 objectUID, NAList<objectRefdByMe> &tablesList ) { Lng32 retcode = 0; NAList <objectRefdByMe> tempRefdList; retcode = getListOfDirectlyReferencedObjects (cliInterface, objectUID, tempRefdList); // If unexpected error - return if (retcode < 0) { if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_) == 0) SEABASEDDL_INTERNAL_ERROR("getting list of referenced tables"); return -1; } // For each view in the list, call getReferencedTables recursively for (CollIndex i = 0; i < tempRefdList.entries(); i++) { objectRefdByMe objectRefd = tempRefdList[i]; // views should only be referencing tables, other views, or functions CMPASSERT(objectRefd.objectType == COM_BASE_TABLE_OBJECT_LIT || objectRefd.objectType == COM_USER_DEFINED_ROUTINE_OBJECT_LIT || objectRefd.objectType == COM_SEQUENCE_GENERATOR_OBJECT_LIT || objectRefd.objectType == COM_VIEW_OBJECT_LIT); // found a table, add to list if (objectRefd.objectType == COM_BASE_TABLE_OBJECT_LIT) { // First make sure it has not already been added to the list NABoolean foundEntry = FALSE; for (CollIndex j = 0; j < tablesList.entries(); j++) { if (tablesList[j].objectUID == objectRefd.objectUID) foundEntry = TRUE; } if (!foundEntry) tablesList.insert(objectRefd); } // found a view, get objects associated with the view if (objectRefd.objectType == COM_VIEW_OBJECT_LIT) getListOfReferencedTables(cliInterface, objectRefd.objectUID, tablesList); } return 0; }
// ***************************************************************************** // * * // * Function: CmpSeabaseDDL::giveSeabaseSchema * // * * // * Implements the GIVE SCHEMA command. * // * * // ***************************************************************************** // * * // * Parameters: * // * * // * <giveSchemaNode> StmtDDLGiveSchema * In * // * is a pointer to a create schema parser node. * // * * // * <currentCatalogName> NAString & In * // * is the name of the current catalog. * // * * // ***************************************************************************** void CmpSeabaseDDL::giveSeabaseSchema( StmtDDLGiveSchema * giveSchemaNode, NAString & currentCatalogName) { ComDropBehavior dropBehavior = giveSchemaNode->getDropBehavior(); NAString catalogName = giveSchemaNode->getCatalogName(); NAString schemaName = giveSchemaNode->getSchemaName(); if (catalogName.isNull()) catalogName = currentCatalogName; ExeCliInterface cliInterface(STMTHEAP, NULL, NULL, CmpCommon::context()->sqlSession()->getParentQid()); Int32 objectOwnerID = 0; Int32 schemaOwnerID = 0; ComObjectType objectType; Int64 schemaUID = getObjectTypeandOwner(&cliInterface,catalogName.data(), schemaName.data(),SEABASE_SCHEMA_OBJECTNAME, objectType,schemaOwnerID); if (schemaUID == -1) { // A Trafodion schema does not exist if the schema object row is not // present: CATALOG-NAME.SCHEMA-NAME.__SCHEMA__. *CmpCommon::diags() << DgSqlCode(-CAT_SCHEMA_DOES_NOT_EXIST_ERROR) << DgSchemaName(schemaName.data()); return; } // ***************************************************************************** // * * // * A schema owner can give their own schema to another authID, but they * // * cannot give the objects in a shared schema to another authID. Only * // * DB__ROOT or a user with the ALTER_SCHEMA privilege can change the owners * // * of objects in a shared schema. So if the schema is private, or if only * // * the schema is being given, we do standard authentication checking. But * // * if giving all the objects in a shared schema, we change the check ID to * // * the default user to force the ALTER_SCHEMA privilege check. * // * * // ***************************************************************************** int32_t checkID = schemaOwnerID; if (objectType == COM_SHARED_SCHEMA_OBJECT && dropBehavior == COM_CASCADE_DROP_BEHAVIOR) checkID = NA_UserIdDefault; if (!isDDLOperationAuthorized(SQLOperation::ALTER_SCHEMA,checkID,checkID)) { *CmpCommon::diags() << DgSqlCode(-CAT_NOT_AUTHORIZED); return; } ComObjectName objName(catalogName,schemaName,NAString("dummy"),COM_TABLE_NAME,TRUE); if (isSeabaseReservedSchema(objName) && !Get_SqlParser_Flags(INTERNAL_QUERY_FROM_EXEUTIL)) { *CmpCommon::diags() << DgSqlCode(-CAT_USER_CANNOT_DROP_SMD_SCHEMA) << DgSchemaName(schemaName.data()); return; } bool isVolatile = (memcmp(schemaName.data(),"VOLATILE_SCHEMA",strlen("VOLATILE_SCHEMA")) == 0); // Can't give a schema whose name begins with VOLATILE_SCHEMA. if (isVolatile) { *CmpCommon::diags() << DgSqlCode(-CAT_RESERVED_METADATA_SCHEMA_NAME) << DgTableName(schemaName); return; } int32_t newOwnerID = -1; if (ComUser::getAuthIDFromAuthName(giveSchemaNode->getAuthID().data(), newOwnerID) != 0) { *CmpCommon::diags() << DgSqlCode(-CAT_AUTHID_DOES_NOT_EXIST_ERROR) << DgString0(giveSchemaNode->getAuthID().data()); return; } // ***************************************************************************** // * * // * Drop behavior is only relevant for shared schemas. For shared schemas, * // * ownership of the schema OR the schema and all its objects may be given to * // * another authorization ID. For private schemas, all objects are owned by * // * the schema owner, so the drop behavior is always CASCADE. * // * * // * NOTE: The syntax for drop behavior always defaults to RESTRICT; for * // * private schemas this is simply ignored, as opposed to requiring * // * users to always specify CASCASE. * // * * // ***************************************************************************** Lng32 cliRC = 0; char buf[4000]; if (objectType == COM_SHARED_SCHEMA_OBJECT && dropBehavior == COM_RESTRICT_DROP_BEHAVIOR) { str_sprintf(buf,"UPDATE %s.\"%s\".%s " "SET object_owner = %d " "WHERE object_UID = %Ld", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, newOwnerID,schemaUID); cliRC = cliInterface.executeImmediate(buf); if (cliRC < 0) cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); return; } // // At this point, we are giving all objects in the schema (as well as the // schema itself) to the new authorization ID. If authentication is enabled, // update the privileges first. // if (isAuthorizationEnabled()) { int32_t rc = transferObjectPrivs(getSystemCatalog(),catalogName.data(), schemaName.data(),newOwnerID, giveSchemaNode->getAuthID().data()); if (rc != 0) { if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_) == 0) { //TODO: add error } return; } } // Now update the object owner for all objects in the schema. str_sprintf(buf,"UPDATE %s.\"%s\".%s " "SET object_owner = %d " "WHERE catalog_name = '%s' AND schema_name = '%s'", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, newOwnerID,catalogName.data(),schemaName.data()); cliRC = cliInterface.executeImmediate(buf); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); return; } // Verify all objects in the schema have been given to the new owner. str_sprintf(buf,"SELECT COUNT(*) " "FROM %s.\"%s\".%s " "WHERE catalog_name = '%s' AND schema_name = '%s' AND " "object_name <> '"SEABASE_SCHEMA_OBJECTNAME"' AND " "object_owner <> %d " "FOR READ COMMITTED ACCESS", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, catalogName.data(),schemaName.data(),newOwnerID); int32_t length = 0; int32_t rowCount = 0; cliRC = cliInterface.executeImmediate(buf,(char*)&rowCount,&length,NULL); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); return; } if (rowCount > 0) { SEABASEDDL_INTERNAL_ERROR("Not all objects in schema were given"); return; } }
// ***************************************************************************** // * * // * Function: CmpSeabaseDDL::dropSeabaseSchema * // * * // * Implements the DROP SCHEMA command. * // * * // ***************************************************************************** // * * // * Parameters: * // * * // * <dropSchemaNode> StmtDDLDropSchema * In * // * is a pointer to a create schema parser node. * // * * // ***************************************************************************** void CmpSeabaseDDL::dropSeabaseSchema(StmtDDLDropSchema * dropSchemaNode) { Lng32 cliRC = 0; ComSchemaName schemaName(dropSchemaNode->getSchemaName()); NAString catName = schemaName.getCatalogNamePartAsAnsiString(); ComAnsiNamePart schNameAsComAnsi = schemaName.getSchemaNamePart(); NAString schName = schNameAsComAnsi.getInternalName(); ExeCliInterface cliInterface(STMTHEAP, NULL, NULL, CmpCommon::context()->sqlSession()->getParentQid()); Int32 objectOwnerID = 0; Int32 schemaOwnerID = 0; ComObjectType objectType; Int64 schemaUID = getObjectTypeandOwner(&cliInterface,catName.data(),schName.data(), SEABASE_SCHEMA_OBJECTNAME,objectType,schemaOwnerID); // if schemaUID == -1, then either the schema does not exist or an unexpected error occurred if (schemaUID == -1) { // If an error occurred, return if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_) > 0) return; // schema does not exist and IF EXISTS specified, then ignore and continue if (dropSchemaNode->dropIfExists()) return; // A Trafodion schema does not exist if the schema object row is not // present: CATALOG-NAME.SCHEMA-NAME.__SCHEMA__. *CmpCommon::diags() << DgSqlCode(-CAT_SCHEMA_DOES_NOT_EXIST_ERROR) << DgSchemaName(schemaName.getExternalName().data()); return; } if (!isDDLOperationAuthorized(SQLOperation::DROP_SCHEMA, schemaOwnerID,schemaOwnerID)) { *CmpCommon::diags() << DgSqlCode(-CAT_NOT_AUTHORIZED); return; } ComObjectName objName(catName,schName,NAString("dummy"),COM_TABLE_NAME,TRUE); if ((isSeabaseReservedSchema(objName) || (schName == SEABASE_SYSTEM_SCHEMA)) && !Get_SqlParser_Flags(INTERNAL_QUERY_FROM_EXEUTIL)) { *CmpCommon::diags() << DgSqlCode(-CAT_USER_CANNOT_DROP_SMD_SCHEMA) << DgSchemaName(schemaName.getExternalName().data()); return; } bool isVolatile = (memcmp(schName.data(),"VOLATILE_SCHEMA",strlen("VOLATILE_SCHEMA")) == 0); // Can't drop a schema whose name begins with VOLATILE_SCHEMA unless the // keyword VOLATILE was specified in the DROP SCHEMA command. if (isVolatile && !dropSchemaNode->isVolatile()) { *CmpCommon::diags() << DgSqlCode(-CAT_RESERVED_METADATA_SCHEMA_NAME) << DgTableName(schName); return; } // Get a list of all objects in the schema, excluding the schema object itself. char query[4000]; str_sprintf(query,"SELECT TRIM(object_name), TRIM(object_type) " "FROM %s.\"%s\".%s " "WHERE catalog_name = '%s' AND schema_name = '%s' AND " "object_name <> '"SEABASE_SCHEMA_OBJECTNAME"'" "FOR READ COMMITTED ACCESS", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, (char*)catName.data(),(char*)schName.data()); Queue * objectsQueue = NULL; cliRC = cliInterface.fetchAllRows(objectsQueue, query, 0, FALSE, FALSE, TRUE); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); return; } objectsQueue->position(); if ((dropSchemaNode->getDropBehavior() == COM_RESTRICT_DROP_BEHAVIOR) && (objectsQueue->numEntries() > 0)) { OutputInfo * oi = (OutputInfo*)objectsQueue->getCurr(); *CmpCommon::diags() << DgSqlCode(-CAT_SCHEMA_IS_NOT_EMPTY) << DgTableName(oi->get(0)); return; } bool someObjectsCouldNotBeDropped = false; // Drop libraries, procedures (SPJs), UDFs (functions), and views objectsQueue->position(); for (int idx = 0; idx < objectsQueue->numEntries(); idx++) { OutputInfo * vi = (OutputInfo*)objectsQueue->getNext(); char * objName = vi->get(0); NAString objectTypeLit = vi->get(1); ComObjectType objectType = PrivMgr::ObjectLitToEnum(objectTypeLit.data()); char buf[1000]; NAString objectTypeString; NAString cascade = " "; switch (objectType) { // These object types are handled later and can be ignored for now. case COM_BASE_TABLE_OBJECT: case COM_INDEX_OBJECT: case COM_CHECK_CONSTRAINT_OBJECT: case COM_NOT_NULL_CONSTRAINT_OBJECT: case COM_PRIMARY_KEY_CONSTRAINT_OBJECT: case COM_REFERENTIAL_CONSTRAINT_OBJECT: case COM_SEQUENCE_GENERATOR_OBJECT: case COM_UNIQUE_CONSTRAINT_OBJECT: { continue; } case COM_LIBRARY_OBJECT: { objectTypeString = "LIBRARY"; cascade = "CASCADE"; break; } case COM_STORED_PROCEDURE_OBJECT: { objectTypeString = "PROCEDURE"; break; } case COM_USER_DEFINED_ROUTINE_OBJECT: { objectTypeString = "FUNCTION"; cascade = "CASCADE"; break; } case COM_VIEW_OBJECT: { objectTypeString = "VIEW"; cascade = "CASCADE"; break; } // These object types should not be seen. case COM_MV_OBJECT: case COM_MVRG_OBJECT: case COM_TRIGGER_OBJECT: case COM_LOB_TABLE_OBJECT: case COM_TRIGGER_TABLE_OBJECT: case COM_SYNONYM_OBJECT: case COM_PRIVATE_SCHEMA_OBJECT: case COM_SHARED_SCHEMA_OBJECT: case COM_EXCEPTION_TABLE_OBJECT: case COM_LOCK_OBJECT: case COM_MODULE_OBJECT: default: SEABASEDDL_INTERNAL_ERROR("Unrecognized object type in schema"); return; } str_sprintf(buf, "drop %s \"%s\".\"%s\".\"%s\" %s", objectTypeString.data(),(char*)catName.data(),(char*)schName.data(), objName,cascade.data()); cliRC = cliInterface.executeImmediate(buf); if (cliRC < 0 && cliRC != -CAT_OBJECT_DOES_NOT_EXIST_IN_TRAFODION) someObjectsCouldNotBeDropped = true; } // Drop all tables in the schema. This will also drop any associated constraints. // Drop of histogram tables is deferred. bool histExists = false; objectsQueue->position(); for (int idx = 0; idx < objectsQueue->numEntries(); idx++) { OutputInfo * vi = (OutputInfo*)objectsQueue->getNext(); NAString objName = vi->get(0); NAString objType = vi->get(1); // drop user objects first if (objType == COM_BASE_TABLE_OBJECT_LIT) { if (!(objName == HBASE_HIST_NAME || objName == HBASE_HISTINT_NAME)) { if (dropOneTable(cliInterface,(char*)catName.data(), (char*)schName.data(),(char*)objName.data(), isVolatile)) someObjectsCouldNotBeDropped = true; } else histExists = true; } } // Drop any remaining indexes. str_sprintf(query,"SELECT TRIM(object_name), TRIM(object_type) " "FROM %s.\"%s\".%s " "WHERE catalog_name = '%s' AND " " schema_name = '%s' AND " " object_type = '%s' " "FOR READ COMMITTED ACCESS ", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, (char*)catName.data(),(char*)schName.data(), COM_INDEX_OBJECT_LIT); cliRC = cliInterface.fetchAllRows(objectsQueue,query,0,FALSE,FALSE,TRUE); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); return; } objectsQueue->position(); for (int idx = 0; idx < objectsQueue->numEntries(); idx++) { OutputInfo * vi = (OutputInfo*)objectsQueue->getNext(); char * objName = vi->get(0); NAString objType = vi->get(1); if (objType == COM_INDEX_OBJECT_LIT) { char buf [1000]; str_sprintf(buf, "DROP INDEX \"%s\".\"%s\".\"%s\" CASCADE", (char*)catName.data(), (char*)schName.data(), objName); cliRC = cliInterface.executeImmediate(buf); if (cliRC < 0 && cliRC != -CAT_OBJECT_DOES_NOT_EXIST_IN_TRAFODION) someObjectsCouldNotBeDropped = true; } } // Drop any remaining sequences. str_sprintf(query,"SELECT TRIM(object_name), TRIM(object_type) " "FROM %s.\"%s\".%s " "WHERE catalog_name = '%s' AND " " schema_name = '%s' AND " " object_type = '%s' " "FOR READ COMMITTED ACCESS ", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, (char*)catName.data(),(char*)schName.data(), COM_SEQUENCE_GENERATOR_OBJECT_LIT); cliRC = cliInterface.fetchAllRows(objectsQueue,query,0,FALSE,FALSE,TRUE); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); return; } objectsQueue->position(); for (int idx = 0; idx < objectsQueue->numEntries(); idx++) { OutputInfo * vi = (OutputInfo*)objectsQueue->getNext(); char * objName = vi->get(0); NAString objType = vi->get(1); if (objType == COM_SEQUENCE_GENERATOR_OBJECT_LIT) { char buf [1000]; str_sprintf(buf, "DROP SEQUENCE \"%s\".\"%s\".\"%s\"", (char*)catName.data(), (char*)schName.data(), objName); cliRC = cliInterface.executeImmediate(buf); if (cliRC < 0 && cliRC != -CAT_OBJECT_DOES_NOT_EXIST_IN_TRAFODION) someObjectsCouldNotBeDropped = true; } } // For volatile schemas, sometimes only the objects get dropped. // If the dropObjectsOnly flag is set, just exit now, we are done. if (dropSchemaNode->dropObjectsOnly()) return; // Now drop any histogram objects if (histExists) { if (dropOneTable(cliInterface,(char*)catName.data(),(char*)schName.data(), (char*)HBASE_HISTINT_NAME,false)) someObjectsCouldNotBeDropped = true; if (dropOneTable(cliInterface,(char*)catName.data(),(char*)schName.data(), (char*)HBASE_HIST_NAME,false)) someObjectsCouldNotBeDropped = true; } if (someObjectsCouldNotBeDropped) { CmpCommon::diags()->clear(); *CmpCommon::diags() << DgSqlCode(-CAT_UNABLE_TO_DROP_SCHEMA) << DgSchemaName(catName + "." + schName); return; } // Verify all objects in the schema have been dropped. str_sprintf(query,"SELECT COUNT(*) " "FROM %s.\"%s\".%s " "WHERE catalog_name = '%s' AND schema_name = '%s' AND " "object_name <> '"SEABASE_SCHEMA_OBJECTNAME"'" "FOR READ COMMITTED ACCESS", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, (char*)catName.data(),(char*)schName.data()); int32_t length = 0; int32_t rowCount = 0; cliRC = cliInterface.executeImmediate(query,(char*)&rowCount,&length,NULL); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); return; } if (rowCount > 0) { CmpCommon::diags()->clear(); *CmpCommon::diags() << DgSqlCode(-CAT_UNABLE_TO_DROP_SCHEMA) << DgSchemaName(catName + "." + schName); return; } // After all objects in the schema have been dropped, drop the schema object itself. char buf [1000]; str_sprintf(buf,"DELETE FROM %s.\"%s\".%s " "WHERE CATALOG_NAME = '%s' AND SCHEMA_NAME = '%s' AND " "OBJECT_NAME = '"SEABASE_SCHEMA_OBJECTNAME"'", getSystemCatalog(),SEABASE_MD_SCHEMA,SEABASE_OBJECTS, (char*)catName.data(),(char*)schName.data()); cliRC = cliInterface.executeImmediate(buf); if (cliRC < 0) *CmpCommon::diags() << DgSqlCode(-CAT_UNABLE_TO_DROP_SCHEMA) << DgSchemaName(catName + "." + schName); }
void CmpSeabaseDDL::createSeabaseRoutine( StmtDDLCreateRoutine * createRoutineNode, NAString &currCatName, NAString &currSchName) { Lng32 retcode = 0; ComObjectName routineName(createRoutineNode->getRoutineName()); ComAnsiNamePart currCatAnsiName(currCatName); ComAnsiNamePart currSchAnsiName(currSchName); routineName.applyDefaults(currCatAnsiName, currSchAnsiName); const NAString catalogNamePart = routineName.getCatalogNamePartAsAnsiString(); const NAString schemaNamePart = routineName.getSchemaNamePartAsAnsiString(TRUE); const NAString objectNamePart = routineName.getObjectNamePartAsAnsiString(TRUE); const NAString extRoutineName = routineName.getExternalName(TRUE); ComRoutineType rType = createRoutineNode->getRoutineType(); ComRoutineLanguage language = createRoutineNode->getLanguageType(); ComRoutineParamStyle ddlStyle = createRoutineNode->getParamStyle(); ComRoutineParamStyle style = ddlStyle; NABoolean isJava = (language == COM_LANGUAGE_JAVA); // Check to see if user has the authority to create the routine ExeCliInterface cliInterface(STMTHEAP, NULL, NULL, CmpCommon::context()->sqlSession()->getParentQid()); Int32 objectOwnerID = SUPER_USER; Int32 schemaOwnerID = SUPER_USER; ComSchemaClass schemaClass; retcode = verifyDDLCreateOperationAuthorized(&cliInterface, SQLOperation::CREATE_ROUTINE, catalogNamePart, schemaNamePart, schemaClass, objectOwnerID, schemaOwnerID); if (retcode != 0) { handleDDLCreateAuthorizationError(retcode,catalogNamePart,schemaNamePart); return; } ExpHbaseInterface * ehi = NULL; ehi = allocEHI(); if (ehi == NULL) { processReturn(); return; } retcode = existsInSeabaseMDTable(&cliInterface, catalogNamePart, schemaNamePart, objectNamePart, COM_USER_DEFINED_ROUTINE_OBJECT, TRUE, FALSE); if (retcode < 0) { deallocEHI(ehi); processReturn(); return; } if (retcode == 1) // already exists { *CmpCommon::diags() << DgSqlCode(-1390) << DgString0(extRoutineName); deallocEHI(ehi); processReturn(); return; } ComObjectName libName(createRoutineNode-> getLibraryName().getQualifiedNameAsAnsiString()); libName.applyDefaults(currCatAnsiName, currSchAnsiName); NAString libCatNamePart = libName.getCatalogNamePartAsAnsiString(); NAString libSchNamePart = libName.getSchemaNamePartAsAnsiString(TRUE); NAString libObjNamePart = libName.getObjectNamePartAsAnsiString(TRUE); const NAString extLibraryName = libName.getExternalName(TRUE); char externalPath[512] ; Lng32 cliRC = 0; // this call needs to change Int64 libUID = getObjectUID(&cliInterface, libCatNamePart, libSchNamePart, libObjNamePart, COM_LIBRARY_OBJECT_LIT); if (libUID < 0) { processReturn(); return; } if (libUID == 0) // does not exist { *CmpCommon::diags() << DgSqlCode(-1361) << DgString0(extLibraryName); deallocEHI(ehi); processReturn(); return; } // read the library path name from the LIBRARIES metadata table char * buf = new(STMTHEAP) char[200]; str_sprintf(buf, "select library_filename from %s.\"%s\".%s" " where library_uid = %Ld for read uncommitted access", getSystemCatalog(), SEABASE_MD_SCHEMA, SEABASE_LIBRARIES, libUID); cliRC = cliInterface.fetchRowsPrologue(buf, TRUE/*no exec*/); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); deallocEHI(ehi); processReturn(); return; } cliRC = cliInterface.clearExecFetchClose(NULL, 0); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); deallocEHI(ehi); processReturn(); return; } if (cliRC == 100) // did not find the row { *CmpCommon::diags() << DgSqlCode(-1231) << DgString0(extRoutineName); deallocEHI(ehi); processReturn(); return; } char * ptr = NULL; Lng32 len = 0; cliInterface.getPtrAndLen(1, ptr, len); str_cpy_all(externalPath, ptr, len); externalPath[len] = '\0'; // determine language and parameter styles based on the library // type, unless already specified if (!createRoutineNode->isLanguageTypeSpecified()) { NAString extPath(externalPath); size_t lastDot = extPath.last('.'); NAString libSuffix; if (lastDot != NA_NPOS) libSuffix = extPath(lastDot,extPath.length()-lastDot); libSuffix.toUpper(); if (libSuffix == ".JAR") { isJava = TRUE; language = COM_LANGUAGE_JAVA; } else if (libSuffix == ".SO" || libSuffix == ".DLL") { // a known C/C++ library, set // language and parameter style below } else { // language not specified and library name // is inconclusive, issue an error *CmpCommon::diags() << DgSqlCode( -3284 ) << DgString0( externalPath ); processReturn(); } } // set parameter style and also language, if not already // specified, based on routine type and type of library if (isJava) { // library is a jar file if (rType == COM_PROCEDURE_TYPE) // Java stored procedures use the older Java style style = COM_STYLE_JAVA_CALL; else // Java UDFs use the newer Java object style style = COM_STYLE_JAVA_OBJ; } else { // assume the library is a DLL with C or C++ code if (rType == COM_TABLE_UDF_TYPE && (language == COM_LANGUAGE_CPP || !createRoutineNode->isLanguageTypeSpecified())) { // Table UDFs (TMUDFs) default to the C++ interface language = COM_LANGUAGE_CPP; style = COM_STYLE_CPP_OBJ; } else if (rType == COM_SCALAR_UDF_TYPE && (language == COM_LANGUAGE_C || !createRoutineNode->isLanguageTypeSpecified())) { // scalar UDFs default to C and SQL parameter style language = COM_LANGUAGE_C; style = COM_STYLE_SQL; } else { // some invalid combination of routine type, language and // library type *CmpCommon::diags() << DgSqlCode(-3286); processReturn(); return; } } // C/C++ DLL if (createRoutineNode->isParamStyleSpecified() && ddlStyle != style) { // An unsupported PARAMETER STYLE was specified *CmpCommon::diags() << DgSqlCode(-3280); processReturn(); return; } NAString externalName; if (language == COM_LANGUAGE_JAVA && style == COM_STYLE_JAVA_CALL) { // the external name is a Java method signature externalName = createRoutineNode->getJavaClassName(); externalName += "." ; externalName += createRoutineNode->getJavaMethodName(); } else // the external name is a C/C++ entry point or a // Java class name externalName = createRoutineNode->getExternalName(); // Verify that current user has authority to create the routine // User must be DB__ROOT or have privileges if (isAuthorizationEnabled() && !ComUser::isRootUserID()) { // For now, go get privileges directly. If we ever cache routines, then // make sure privileges are stored in the cache. NAString privMgrMDLoc; CONCAT_CATSCH(privMgrMDLoc, getSystemCatalog(), SEABASE_PRIVMGR_SCHEMA); PrivMgrCommands privInterface(privMgrMDLoc.data(), CmpCommon::diags()); PrivMgrUserPrivs privs; PrivStatus retcode = privInterface.getPrivileges(libUID, COM_LIBRARY_OBJECT, ComUser::getCurrentUser(), privs); if (retcode != STATUS_GOOD) { if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_) == 0) SEABASEDDL_INTERNAL_ERROR("checking routine privilege"); processReturn(); return; } // Requester must have USAGE privilege on the library NABoolean hasPriv = TRUE; if ( !privs.hasUsagePriv() ) { *CmpCommon::diags() << DgSqlCode( -4481 ) << DgString0( "USAGE" ) << DgString1( extLibraryName.data()); processReturn(); return; } } ElemDDLParamDefArray &routineParamArray = createRoutineNode->getParamArray(); Lng32 numParams = routineParamArray.entries(); if ((createRoutineNode->getRoutineType() == COM_SCALAR_UDF_TYPE) && (numParams > 32)) { *CmpCommon::diags() << DgSqlCode( -1550 ) << DgString0( extRoutineName ) << DgInt0( numParams ); deallocEHI(ehi); processReturn(); return; } #define MAX_SIGNATURE_LENGTH 8193 // Allocate buffer for generated signature char sigBuf[MAX_SIGNATURE_LENGTH]; sigBuf[0] = '\0'; if (style == COM_STYLE_JAVA_CALL) { // validate routine for Java call based on signature Lng32 numJavaParam = 0; ComFSDataType *paramType = new ComFSDataType[numParams]; ComUInt32 *subType = new ComUInt32 [numParams]; ComColumnDirection *direction = new ComColumnDirection[numParams]; NAType *genericType; // Gather the param attributes for LM from the paramDefArray previously // populated and from the routineparamList generated from paramDefArray. for (CollIndex i = 0; (Int32)i < numParams; i++) { paramType[i] = (ComFSDataType)routineParamArray[i]->getParamDataType()->getFSDatatype(); subType[i] = 0; // default // Set subType for special cases detected by LM switch ( paramType[i] ) { case COM_SIGNED_BIN16_FSDT : case COM_SIGNED_BIN32_FSDT : case COM_SIGNED_BIN64_FSDT : case COM_UNSIGNED_BIN16_FSDT : case COM_UNSIGNED_BIN32_FSDT : case COM_UNSIGNED_BPINT_FSDT : { genericType = routineParamArray[i]->getParamDataType() ; if (genericType->getTypeName() == LiteralNumeric) subType[i] = genericType->getPrecision(); else subType[i] = 0 ; break; } case COM_DATETIME_FSDT : { genericType = routineParamArray[i]->getParamDataType() ; DatetimeType & datetimeType = (DatetimeType &) *genericType; if (datetimeType.getSimpleTypeName() EQU "DATE") subType[i] = 1 ; else if (datetimeType.getSimpleTypeName() EQU "TIME") subType[i] = 2; else if (datetimeType.getSimpleTypeName() EQU "TIMESTAMP") subType[i] = 3; } } // end switch paramType[i] direction[i] = (ComColumnDirection) routineParamArray[i]->getParamDirection(); } // If the syntax specified a signature, pass that to LanguageManager. NAString specifiedSig( createRoutineNode->getJavaSignature() ); char* optionalSig; if ( specifiedSig.length() == 0 ) optionalSig = NULL; else optionalSig = (char *)specifiedSig.data(); ComBoolean isJavaMain = ((str_cmp_ne(createRoutineNode->getJavaMethodName(), "main") == 0) ? TRUE : FALSE); LmResult createSigResult; LmJavaSignature *lmSignature = new (STMTHEAP) LmJavaSignature(NULL, STMTHEAP); createSigResult = lmSignature->createSig(paramType, subType, direction, numParams, COM_UNKNOWN_FSDT, 0, createRoutineNode->getMaxResults(), optionalSig, isJavaMain, sigBuf, MAX_SIGNATURE_LENGTH, CmpCommon::diags()); NADELETE(lmSignature, LmJavaSignature, STMTHEAP); delete [] paramType; delete [] subType; delete [] direction; // Lm returned error. Lm fills diags area, so no need to worry about diags. if (createSigResult == LM_ERR) { *CmpCommon::diags() << DgSqlCode(-1231) << DgString0(extRoutineName); deallocEHI(ehi); processReturn(); return; } numJavaParam = (isJavaMain ? 1 : numParams); if (validateRoutine(&cliInterface, createRoutineNode->getJavaClassName(), createRoutineNode->getJavaMethodName(), externalPath, sigBuf, numJavaParam, createRoutineNode->getMaxResults(), optionalSig)) { *CmpCommon::diags() << DgSqlCode(-1231) << DgString0(extRoutineName); deallocEHI(ehi); processReturn(); return; } } else if (style == COM_STYLE_JAVA_OBJ || style == COM_STYLE_CPP_OBJ) { // validate existence of the C++ or Java class in the library Int32 routineHandle = NullCliRoutineHandle; NAString externalPrefix(externalPath); NAString externalNameForValidation(externalName); NAString containerName; if (language == COM_LANGUAGE_C || language == COM_LANGUAGE_CPP) { // separate the actual DLL name from the prefix char separator = '/'; size_t separatorPos = externalPrefix.last(separator); if (separatorPos != NA_NPOS) { containerName = externalPrefix(separatorPos+1, externalPrefix.length()-separatorPos-1); externalPrefix.remove(separatorPos, externalPrefix.length()-separatorPos); } else { // assume the entire string is a local name containerName = externalPrefix; externalPrefix = "."; } } else { // For Java, the way the language manager works is that the // external path is the fully qualified name of the jar and // the container is the class name (external name). We load // the container (the class) by searching in the path (the // jar). The external name is the method name, which in this // case is the constructor of the class, <init>. // leave externalPrevix unchanged, fully qualified jar file containerName = externalName; externalNameForValidation = "<init>"; } // use a CLI call to validate that the library contains the routine if (cliInterface.getRoutine( NULL, // No InvocationInfo specified in this step 0, NULL, 0, (Int32) language, (Int32) style, externalNameForValidation.data(), containerName.data(), externalPrefix.data(), extLibraryName.data(), &routineHandle, CmpCommon::diags()) != LME_ROUTINE_VALIDATED) { if (routineHandle != NullCliRoutineHandle) cliInterface.putRoutine(routineHandle, CmpCommon::diags()); CMPASSERT(CmpCommon::diags()->mainSQLCODE() < 0); processReturn(); return; } cliInterface.putRoutine(routineHandle, CmpCommon::diags()); } ComTdbVirtTableColumnInfo * colInfoArray = (ComTdbVirtTableColumnInfo*) new(STMTHEAP) ComTdbVirtTableColumnInfo[numParams]; if (buildColInfoArray(&routineParamArray, colInfoArray)) { processReturn(); return; } ComTdbVirtTableTableInfo * tableInfo = new(STMTHEAP) ComTdbVirtTableTableInfo[1]; tableInfo->tableName = NULL, tableInfo->createTime = 0; tableInfo->redefTime = 0; tableInfo->objUID = 0; tableInfo->objOwnerID = objectOwnerID; tableInfo->schemaOwnerID = schemaOwnerID; tableInfo->isAudited = 1; tableInfo->validDef = 1; tableInfo->hbaseCreateOptions = NULL; tableInfo->numSaltPartns = 0; tableInfo->rowFormat = COM_UNKNOWN_FORMAT_TYPE; tableInfo->objectFlags = 0; Int64 objUID = -1; if (updateSeabaseMDTable(&cliInterface, catalogNamePart, schemaNamePart, objectNamePart, COM_USER_DEFINED_ROUTINE_OBJECT, "N", tableInfo, numParams, colInfoArray, 0, NULL, 0, NULL, objUID)) { deallocEHI(ehi); processReturn(); return; } if (objUID == -1) { deallocEHI(ehi); processReturn(); return; } NAString udrType; getRoutineTypeLit(createRoutineNode->getRoutineType(), udrType); NAString languageType; getLanguageTypeLit(language, languageType); NAString sqlAccess; getSqlAccessLit(createRoutineNode->getSqlAccess(), sqlAccess); NAString paramStyle; getParamStyleLit(style, paramStyle); NAString transactionAttributes; getTransAttributesLit(createRoutineNode->getTransactionAttributes(), transactionAttributes); NAString parallelism; getParallelismLit(createRoutineNode->getParallelism(), parallelism); NAString externalSecurity; getExternalSecurityLit(createRoutineNode->getExternalSecurity(), externalSecurity); NAString executionMode; getExecutionModeLit(createRoutineNode->getExecutionMode(), executionMode); char * query = new(STMTHEAP) char[2000+MAX_SIGNATURE_LENGTH]; str_sprintf(query, "insert into %s.\"%s\".%s values (%Ld, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', '%s', %Ld, '%s' )", getSystemCatalog(), SEABASE_MD_SCHEMA, SEABASE_ROUTINES, objUID, udrType.data(), languageType.data(), createRoutineNode->isDeterministic() ? "Y" : "N" , sqlAccess.data(), createRoutineNode->isCallOnNull() ? "Y" : "N" , createRoutineNode->isIsolate() ? "Y" : "N" , paramStyle.data(), transactionAttributes.data(), createRoutineNode->getMaxResults(), createRoutineNode->getStateAreaSize(), externalName.data(), parallelism.data(), createRoutineNode->getUserVersion().data(), externalSecurity.data(), executionMode.data(), libUID, sigBuf); cliRC = cliInterface.executeImmediate(query); NADELETEBASIC(query, STMTHEAP); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); processReturn(); return; } char * query1 = new(STMTHEAP) char[1000]; str_sprintf(query1, "insert into %s.\"%s\".%s values (%Ld, %Ld)", getSystemCatalog(), SEABASE_MD_SCHEMA, SEABASE_LIBRARIES_USAGE, libUID, objUID); cliRC = cliInterface.executeImmediate(query1); NADELETEBASIC(query1, STMTHEAP); if (cliRC < 0) { cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); processReturn(); return; } // hope to remove this call soon by setting the valid flag to Y sooner if (updateObjectValidDef(&cliInterface, catalogNamePart, schemaNamePart, objectNamePart, COM_USER_DEFINED_ROUTINE_OBJECT_LIT, "Y")) { deallocEHI(ehi); processReturn(); return; } processReturn(); return; }
void CmpSeabaseDDL::dropSeabaseView( StmtDDLDropView * dropViewNode, NAString &currCatName, NAString &currSchName) { Lng32 cliRC = 0; Lng32 retcode = 0; const NAString &tabName = dropViewNode->getViewName(); ComObjectName viewName(tabName); ComAnsiNamePart currCatAnsiName(currCatName); ComAnsiNamePart currSchAnsiName(currSchName); viewName.applyDefaults(currCatAnsiName, currSchAnsiName); const NAString catalogNamePart = viewName.getCatalogNamePartAsAnsiString(); const NAString schemaNamePart = viewName.getSchemaNamePartAsAnsiString(TRUE); const NAString objectNamePart = viewName.getObjectNamePartAsAnsiString(TRUE); const NAString extViewName = viewName.getExternalName(TRUE); ExeCliInterface cliInterface(STMTHEAP, NULL, NULL, CmpCommon::context()->sqlSession()->getParentQid()); ExpHbaseInterface * ehi = allocEHI(); if (ehi == NULL) return; if ((isSeabaseReservedSchema(viewName)) && (!Get_SqlParser_Flags(INTERNAL_QUERY_FROM_EXEUTIL))) { *CmpCommon::diags() << DgSqlCode(-1119) << DgTableName(extViewName); deallocEHI(ehi); processReturn(); return; } retcode = existsInSeabaseMDTable(&cliInterface, catalogNamePart, schemaNamePart, objectNamePart, COM_VIEW_OBJECT, TRUE, FALSE); if (retcode < 0) { deallocEHI(ehi); processReturn(); return; } if (retcode == 0) // does not exist { *CmpCommon::diags() << DgSqlCode(-1389) << DgString0(extViewName); deallocEHI(ehi); processReturn(); return; } Int32 objectOwnerID = 0; Int32 schemaOwnerID = 0; Int64 objUID = getObjectUIDandOwners(&cliInterface, catalogNamePart.data(), schemaNamePart.data(), objectNamePart.data(), COM_VIEW_OBJECT, objectOwnerID,schemaOwnerID); if (objUID < 0 || objectOwnerID == 0) { if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_) == 0) SEABASEDDL_INTERNAL_ERROR("getting object UID and owner for drop view"); deallocEHI(ehi); processReturn(); return; } // Verify user can perform operation if (!isDDLOperationAuthorized(SQLOperation::DROP_VIEW,objectOwnerID,schemaOwnerID)) { *CmpCommon::diags() << DgSqlCode(-CAT_NOT_AUTHORIZED); deallocEHI(ehi); processReturn (); return; } Queue * usingViewsQueue = NULL; if (dropViewNode->getDropBehavior() == COM_RESTRICT_DROP_BEHAVIOR) { NAString usingObjName; cliRC = getUsingObject(&cliInterface, objUID, usingObjName); if (cliRC < 0) { deallocEHI(ehi); processReturn(); return; } if (cliRC != 100) // found an object { *CmpCommon::diags() << DgSqlCode(-1047) << DgTableName(usingObjName); deallocEHI(ehi); processReturn(); return; } } else if (dropViewNode->getDropBehavior() == COM_CASCADE_DROP_BEHAVIOR) { cliRC = getUsingViews(&cliInterface, objUID, usingViewsQueue); if (cliRC < 0) { deallocEHI(ehi); processReturn(); return; } } // get the list of all tables referenced by the view. Save this list so // referenced tables can be removed from cache later NAList<objectRefdByMe> tablesRefdList; short status = getListOfReferencedTables(&cliInterface, objUID, tablesRefdList); if (usingViewsQueue) { usingViewsQueue->position(); for (int idx = 0; idx < usingViewsQueue->numEntries(); idx++) { OutputInfo * vi = (OutputInfo*)usingViewsQueue->getNext(); char * viewName = vi->get(0); if (dropSeabaseObject(ehi, viewName, currCatName, currSchName, COM_VIEW_OBJECT)) { deallocEHI(ehi); processReturn(); return; } } } if (dropSeabaseObject(ehi, tabName, currCatName, currSchName, COM_VIEW_OBJECT)) { deallocEHI(ehi); processReturn(); return; } // clear view definition from my cache only. CorrName cn(objectNamePart, STMTHEAP, schemaNamePart, catalogNamePart); ActiveSchemaDB()->getNATableDB()->removeNATable(cn, NATableDB::REMOVE_MINE_ONLY, COM_VIEW_OBJECT); // clear view from all other caches here. This compensates for a // scenario where the object UID is not available in removeNATable, // and the look up failed too. Solution is just to use the objectUID // here. SQL_QIKEY qiKey; qiKey.operation[0] = 'O'; qiKey.operation[1] = 'R'; qiKey.ddlObjectUID = objUID; SQL_EXEC_SetSecInvalidKeys(1, &qiKey); // Now remove referenced tables from cache. // When a query that references a view is compiled, all views are converted // to the underlying base tables. Query plans are generated to access the // tables, and the views are no longer relevant. // When dropping a view, query plans that reference the dropped view will // continue to work if the plans are cached. This code removes the // referenced tables from caches to force recompilations so dropped views // are noticed. for (CollIndex i = 0; i < tablesRefdList.entries(); i++) { CorrName cn(tablesRefdList[i].objectName, STMTHEAP, tablesRefdList[i].schemaName, tablesRefdList[i].catalogName); ActiveSchemaDB()->getNATableDB()->removeNATable(cn, NATableDB::REMOVE_FROM_ALL_USERS, COM_BASE_TABLE_OBJECT); } deallocEHI(ehi); processReturn(); return; }
void CmpSeabaseDDL::createSeabaseView( StmtDDLCreateView * createViewNode, NAString &currCatName, NAString &currSchName) { Lng32 retcode = 0; Lng32 cliRC = 0; ComObjectName viewName(createViewNode->getViewName()); ComAnsiNamePart currCatAnsiName(currCatName); ComAnsiNamePart currSchAnsiName(currSchName); viewName.applyDefaults(currCatAnsiName, currSchAnsiName); const NAString catalogNamePart = viewName.getCatalogNamePartAsAnsiString(); const NAString schemaNamePart = viewName.getSchemaNamePartAsAnsiString(TRUE); const NAString objectNamePart = viewName.getObjectNamePartAsAnsiString(TRUE); const NAString extViewName = viewName.getExternalName(TRUE); const NAString extNameForHbase = catalogNamePart + "." + schemaNamePart + "." + objectNamePart; ExeCliInterface cliInterface(STMTHEAP, NULL, NULL, CmpCommon::context()->sqlSession()->getParentQid()); Int32 objectOwnerID = SUPER_USER; Int32 schemaOwnerID = SUPER_USER; ComSchemaClass schemaClass; retcode = verifyDDLCreateOperationAuthorized(&cliInterface, SQLOperation::CREATE_VIEW, catalogNamePart, schemaNamePart, schemaClass, objectOwnerID, schemaOwnerID); if (retcode != 0) { handleDDLCreateAuthorizationError(retcode,catalogNamePart,schemaNamePart); return; } ExpHbaseInterface * ehi = NULL; ehi = allocEHI(); if (ehi == NULL) { processReturn(); return; } if ((isSeabaseReservedSchema(viewName)) && (!Get_SqlParser_Flags(INTERNAL_QUERY_FROM_EXEUTIL))) { *CmpCommon::diags() << DgSqlCode(-1118) << DgTableName(extViewName); deallocEHI(ehi); return; } //if metadata views are being created and seabase is uninitialized, then this //indicates that these views are being created during 'initialize trafodion' //and this compiler contains stale version. //Reload version info. // if ((isSeabaseMD(viewName)) && (CmpCommon::context()->isUninitializedSeabase())) { CmpCommon::context()->setIsUninitializedSeabase(FALSE); CmpCommon::context()->uninitializedSeabaseErrNum() = 0; } retcode = existsInSeabaseMDTable(&cliInterface, catalogNamePart, schemaNamePart, objectNamePart, COM_UNKNOWN_OBJECT, FALSE, FALSE); if (retcode < 0) { deallocEHI(ehi); processReturn(); return; } if (retcode == 1) // already exists { if (NOT ((createViewNode->isCreateOrReplaceViewCascade())|| (createViewNode->isCreateOrReplaceView()))) { *CmpCommon::diags() << DgSqlCode(-1390) << DgString0(extViewName); deallocEHI(ehi); processReturn(); return; } } char * query = NULL; int64_t objectUID = -1; std::vector<ObjectPrivsRow> viewPrivsRows; bool replacingView = false; if ((retcode == 1) && // exists ((createViewNode->isCreateOrReplaceViewCascade())|| (createViewNode->isCreateOrReplaceView()))) { // Replace view. Drop this view and recreate it. Int32 objectOwnerID = 0; Int32 schemaOwnerID = 0; Int64 objUID = getObjectUIDandOwners(&cliInterface, catalogNamePart.data(), schemaNamePart.data(), objectNamePart.data(), COM_VIEW_OBJECT, objectOwnerID,schemaOwnerID); if (objUID < 0 || objectOwnerID == 0) { if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_) == 0) SEABASEDDL_INTERNAL_ERROR("getting object UID and owner for create or replace view"); deallocEHI(ehi); processReturn(); return; } if (isAuthorizationEnabled()) { // Verify user can perform operation if (!isDDLOperationAuthorized(SQLOperation::ALTER_VIEW,objectOwnerID,schemaOwnerID)) { *CmpCommon::diags() << DgSqlCode(-CAT_NOT_AUTHORIZED); deallocEHI(ehi); processReturn (); return; } // Initiate the privilege manager interface class NAString privMgrMDLoc; CONCAT_CATSCH(privMgrMDLoc,getSystemCatalog(),SEABASE_PRIVMGR_SCHEMA); PrivMgrCommands privInterface(std::string(privMgrMDLoc.data()), CmpCommon::diags()); PrivStatus privStatus = privInterface.getPrivRowsForObject(objUID,viewPrivsRows); if (privStatus != PrivStatus::STATUS_GOOD) { SEABASEDDL_INTERNAL_ERROR("Unable to retrieve privileges for replaced view"); deallocEHI(ehi); processReturn(); return; } } if (dropOneTableorView(cliInterface,extViewName.data(),COM_VIEW_OBJECT,false)) { deallocEHI(ehi); processReturn(); return; } replacingView = true; } // Gather the object and grantable privileges that the view creator has. // This code also verifies that the current user has the necessary // privileges to create the view. PrivMgrBitmap privilegesBitmap; PrivMgrBitmap grantableBitmap; privilegesBitmap.set(); grantableBitmap.set(); if (gatherViewPrivileges(createViewNode, &cliInterface, privilegesBitmap, grantableBitmap)) { processReturn(); deallocEHI(ehi); return; } NAString viewText(STMTHEAP); buildViewText(createViewNode, viewText); NAString newViewText(STMTHEAP); for (Lng32 i = 0; i < viewText.length(); i++) { if (viewText.data()[i] == '\'') newViewText += "''"; else newViewText += viewText.data()[i]; } ElemDDLColDefArray colDefArray(STMTHEAP); if (buildViewColInfo(createViewNode, &colDefArray)) { deallocEHI(ehi); processReturn(); return; } Lng32 numCols = colDefArray.entries(); ComTdbVirtTableColumnInfo * colInfoArray = new(STMTHEAP) ComTdbVirtTableColumnInfo[numCols]; if (buildColInfoArray(COM_VIEW_OBJECT, &colDefArray, colInfoArray, FALSE, 0, FALSE)) { deallocEHI(ehi); processReturn(); return; } Int64 objUID = -1; if (updateSeabaseMDTable(&cliInterface, catalogNamePart, schemaNamePart, objectNamePart, COM_VIEW_OBJECT, "N", NULL, numCols, colInfoArray, 0, NULL, 0, NULL, objectOwnerID, schemaOwnerID, objUID)) { deallocEHI(ehi); processReturn(); return; } if (objUID < 0) { deallocEHI(ehi); processReturn(); return; } // grant privileges for view if (isAuthorizationEnabled()) { char authName[MAX_AUTHNAME_LEN+1]; Int32 lActualLen = 0; Int16 status = ComUser::getAuthNameFromAuthID( (Int32) objectOwnerID , (char *)&authName , MAX_AUTHNAME_LEN , lActualLen ); if (status != FEOK) { *CmpCommon::diags() << DgSqlCode(-20235) << DgInt0(status) << DgInt1(objectOwnerID); deallocEHI(ehi); processReturn(); return; } // Initiate the privilege manager interface class NAString privMgrMDLoc; CONCAT_CATSCH(privMgrMDLoc, getSystemCatalog(), SEABASE_PRIVMGR_SCHEMA); PrivMgrCommands privInterface(std::string(privMgrMDLoc.data()), CmpCommon::diags()); retcode = privInterface.grantObjectPrivilege (objUID, std::string(extViewName.data()), COM_VIEW_OBJECT, objectOwnerID, std::string(authName), privilegesBitmap, grantableBitmap); if (retcode != STATUS_GOOD && retcode != STATUS_WARNING) { deallocEHI(ehi); processReturn(); return; } if (replacingView) { PrivStatus privStatus = privInterface.insertPrivRowsForObject(objUID,viewPrivsRows); if (privStatus != PrivStatus::STATUS_GOOD) { SEABASEDDL_INTERNAL_ERROR("Unable to restore privileges for replaced view"); deallocEHI(ehi); processReturn(); return; } } } query = new(STMTHEAP) char[newViewText.length() + 1000]; str_sprintf(query, "upsert into %s.\"%s\".%s values (%Ld, '%s', %d, %d, 0)", getSystemCatalog(), SEABASE_MD_SCHEMA, SEABASE_VIEWS, objUID, computeCheckOption(createViewNode), (createViewNode->getIsUpdatable() ? 1 : 0), (createViewNode->getIsInsertable() ? 1 : 0)); cliRC = cliInterface.executeImmediate(query); NADELETEBASIC(query, STMTHEAP); if (cliRC < 0) { if (cliRC == -8402) // string overflow, view text does not fit into metadata table *CmpCommon::diags() << DgSqlCode(-1198); else cliInterface.retrieveSQLDiagnostics(CmpCommon::diags()); deallocEHI(ehi); processReturn(); return; } if (updateTextTable(&cliInterface, objUID, COM_VIEW_TEXT, 0, newViewText)) { deallocEHI(ehi); processReturn(); return; } if (updateViewUsage(createViewNode, objUID, &cliInterface)) { deallocEHI(ehi); processReturn(); return; } if (updateObjectValidDef(&cliInterface, catalogNamePart, schemaNamePart, objectNamePart, COM_VIEW_OBJECT_LIT, "Y")) { deallocEHI(ehi); processReturn(); return; } CorrName cn(objectNamePart, STMTHEAP, schemaNamePart, catalogNamePart); ActiveSchemaDB()->getNATableDB()->removeNATable(cn, NATableDB::REMOVE_MINE_ONLY, COM_VIEW_OBJECT); deallocEHI(ehi); processReturn(); return; }
// ***************************************************************************** // * * // * Function: checkAccessPrivileges * // * * // * This function determines if a user has the requesite privileges to * // * access the referenced objects that comprise the view. * // * * // ***************************************************************************** // * * // * Parameters: * // * * // * <vtul> const ParTableUsageList & In * // * is a reference to a list of objects used by the view. * // * * // * <vctcul> const ParViewColTableColsUsageList & In * // * is a reference to the list of columns used by the view. * // * * // * <privilegesBitmap> PrivMgrBitmap & Out * // * passes back the union of privileges the user has on the referenced * // * objects. * // * * // * <grantableBitmap> PrivMgrBitmap & Out * // * passes back the union of the with grant option authority the user has * // * on the referenced objects. * // * * // ***************************************************************************** // * * // * Returns: bool * // * * // * true: User has requisite privileges; bitmap unions returned. * // * false: Could not retrieve privileges or user does not have requesite * // * privileges; see diags area for error details. * // * * // ***************************************************************************** static bool checkAccessPrivileges( const ParTableUsageList & vtul, const ParViewColTableColsUsageList & vctcul, PrivMgrBitmap & privilegesBitmap, PrivMgrBitmap & grantableBitmap) { BindWA bindWA(ActiveSchemaDB(),CmpCommon::context(),FALSE/*inDDL*/); bool missingPrivilege = false; NAString extUsedObjName; // generate the lists of privileges and grantable privileges // a side effect is to return an error if basic privileges are not granted for (CollIndex i = 0; i < vtul.entries(); i++) { if (vtul[i].getSpecialType() == ExtendedQualName::SG_TABLE) continue; ComObjectName usedObjName(vtul[i].getQualifiedNameObj().getQualifiedNameAsAnsiString(), vtul[i].getAnsiNameSpace()); const NAString catalogNamePart = usedObjName.getCatalogNamePartAsAnsiString(); const NAString schemaNamePart = usedObjName.getSchemaNamePartAsAnsiString(TRUE); const NAString objectNamePart = usedObjName.getObjectNamePartAsAnsiString(TRUE); const NAString extUsedObjName = usedObjName.getExternalName(TRUE); CorrName cn(objectNamePart,STMTHEAP, schemaNamePart,catalogNamePart); NATable *naTable = bindWA.getNATable(cn); if (naTable == NULL) { SEABASEDDL_INTERNAL_ERROR("Bad NATable pointer in checkAccessPrivileges"); return false; } // Grab privileges from the NATable structure PrivMgrUserPrivs *privs = naTable->getPrivInfo(); if (privs == NULL) { *CmpCommon::diags() << DgSqlCode(-CAT_UNABLE_TO_RETRIEVE_PRIVS); return false; } // Requester must have at least select privilege if ( !privs->hasSelectPriv() ) missingPrivilege = true; // Summarize privileges privilegesBitmap &= privs->getObjectBitmap(); grantableBitmap &= privs->getGrantableBitmap(); } if (!missingPrivilege) return true; missingPrivilege = false; PrivColumnBitmap colPrivBitmap; PrivColumnBitmap colGrantableBitmap; PrivMgrPrivileges::setColumnPrivs(colPrivBitmap); PrivMgrPrivileges::setColumnPrivs(colGrantableBitmap); for (size_t i = 0; i < vctcul.entries(); i++) { const ParViewColTableColsUsage &vctcu = vctcul[i]; int32_t usingColNum = vctcu.getUsingViewColumnNumber(); const ColRefName &usedColRef = vctcu.getUsedObjectColumnName(); ComObjectName usedObjName; usedObjName = usedColRef.getCorrNameObj().getQualifiedNameObj(). getQualifiedNameAsAnsiString(); const NAString catalogNamePart = usedObjName.getCatalogNamePartAsAnsiString(); const NAString schemaNamePart = usedObjName.getSchemaNamePartAsAnsiString(TRUE); const NAString objectNamePart = usedObjName.getObjectNamePartAsAnsiString(TRUE); extUsedObjName = usedObjName.getExternalName(TRUE); CorrName cn(objectNamePart,STMTHEAP,schemaNamePart,catalogNamePart); NATable *naTable = bindWA.getNATable(cn); if (naTable == NULL) { SEABASEDDL_INTERNAL_ERROR("Bad NATable pointer in checkAccessPrivileges"); return -1; } const NAColumnArray &nacolArr = naTable->getNAColumnArray(); ComString usedObjColName(usedColRef.getColName()); const NAColumn * naCol = nacolArr.getColumn(usedObjColName); if (naCol == NULL) { *CmpCommon::diags() << DgSqlCode(-CAT_COLUMN_DOES_NOT_EXIST_ERROR) << DgColumnName(usedObjColName); return false; } int32_t usedColNumber = naCol->getPosition(); // Grab privileges from the NATable structure PrivMgrUserPrivs *privs = naTable->getPrivInfo(); if (privs == NULL) { *CmpCommon::diags() << DgSqlCode(-CAT_UNABLE_TO_RETRIEVE_PRIVS); return false; } // If the user is missing SELECT on at least one column-level privilege, // view cannot be created. No need to proceed. if (!privs->hasColSelectPriv(usedColNumber)) { missingPrivilege = true; break; } colPrivBitmap &= privs->getColumnPrivBitmap(usedColNumber); colGrantableBitmap &= privs->getColumnGrantableBitmap(usedColNumber); } if (missingPrivilege || vctcul.entries() == 0) { *CmpCommon::diags() << DgSqlCode(-4481) << DgString0("SELECT") << DgString1(extUsedObjName.data()); return false; } for (size_t i = FIRST_DML_COL_PRIV; i <= LAST_DML_COL_PRIV; i++ ) { if (colPrivBitmap.test(PrivType(i))) privilegesBitmap.set(PrivType(i)); if (colGrantableBitmap.test(PrivType(i))) grantableBitmap.set(PrivType(i)); } return true; }