[9.1] feat: added foreign keys to PilotAgentsDB

[fstagni]

For DIRACGrid/diracx#414

• add to Wiki + update guide

use PilotAgentsDB;
ALTER TABLE `JobToPilotMapping` ADD CONSTRAINT `fk_JobToPilot_PilotID` FOREIGN KEY (`PilotID`) REFERENCES `PilotAgents`(`PilotID`) ON DELETE CASCADE;
ALTER TABLE `PilotOutput` ADD CONSTRAINT `fk_PilotOutput_PilotID` FOREIGN KEY (`PilotID`) REFERENCES `PilotAgents`(`PilotID`) ON DELETE CASCADE;

use SandboxMetadataDB;
ALTER TABLE `sb_EntityMapping` ADD CONSTRAINT `fk_EntityToSB_SBId` FOREIGN KEY (`SBId`) REFERENCES `sb_SandBoxes`(`SBId`) ON DELETE CASCADE;
ALTER TABLE `sb_EntityMapping` MODIFY COLUMN `Type` ENUM("Input", "Output") NOT NULL;

use TaskQueueDB;
ALTER TABLE `tq_TQToBannedSites` MODIFY CONSTRAINT `tq_TQToBannedSites_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;
ALTER TABLE `tq_TQToGridCEs` MODIFY CONSTRAINT `tq_TQToGridCEs_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;
ALTER TABLE `tq_TQToGridMiddlewares` MODIFY CONSTRAINT `tq_TQToGridMiddlewares_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;
ALTER TABLE `tq_TQToJobTypes` MODIFY CONSTRAINT `tq_TQToJobTypes_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;
ALTER TABLE `tq_TQToPilotTypes` MODIFY CONSTRAINT `tq_TQToPilotTypes_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;
ALTER TABLE `tq_TQToPlatforms` MODIFY CONSTRAINT `tq_TQToPlatforms_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;
ALTER TABLE `tq_TQToSites` MODIFY CONSTRAINT `tq_TQToSites_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;
ALTER TABLE `tq_TQToTags` MODIFY CONSTRAINT `tq_TQToTags_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;

ALTER TABLE `tq_Jobs` MODIFY CONSTRAINT `tq_Jobs_ibfk_1` FOREIGN KEY (`TQId`) REFERENCES `tq_TaskQueues` (`TQId`) ON DELETE CASCADE ON UPDATE RESTRICT;

• check for tq_jobs ON DELETE CASCADE
• port to DiracX

BEGINRELEASENOTES

*WMS
CHANGE: add foreign keys to PilotAgentsDB and SandboxMetadataDB

*Core
CHANGE: MySQL: use ON DELETE CASCADE for foreign keys by default

ENDRELEASENOTES

The issue with PilotWrapper should be fixed with DIRACGrid/Pilot#251 (still to be merged to master branch...)

[chaen]

I think this should not be the default.

[fstagni]

Elaborate why. It only affects TaskQueueDB and SandboxMetadataDB