Improve datasetparameter endpoint

It is very slow for non-admins to load the summary MX page

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http://ovm-icat2:8080/icat/entityManager?sessionId=b829f78d-94f1-4da2-b870-3bbeff92d633&query=SELECT parameter from DatasetParameter parameter JOIN parameter.dataset dataset JOIN parameter.type parameterType JOIN dataset.investigation investigation where investigation.id = '1405067863' and parameterType.name = 'scanType' INCLUDE parameter.type, parameter.dataset dataset, dataset.sample

144ms 274.75KB 172

http://ovm-icat2:8080/icat/entityManager?sessionId=b829f78d-94f1-4da2-b870-3bbeff92d633&query=SELECT dataset.id, dataset.name, dataset.startDate, dataset.endDate, investigation.name, parameterType.name, parameter.stringValue, parameterType.units, parameter.id, sample.id, sample.name FROM DatasetParameter as parameter JOIN parameter.dataset dataset JOIN dataset.sample sample JOIN parameter.type parameterType JOIN dataset.investigation investigation where investigation.id = '1405067863' and parameterType.name = 'scanType'

28s 35KB 172

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Admin: d3983f66-a6ab-48a5-b4f0-106003dc178c

http://ovm-icat2:8080/icat/entityManager?sessionId=d3983f66-a6ab-48a5-b4f0-106003dc178c&query=SELECT parameter from DatasetParameter parameter JOIN parameter.dataset dataset JOIN parameter.type parameterType JOIN dataset.investigation investigation where investigation.id = '1405067863' and parameterType.name = 'scanType' INCLUDE parameter.type, parameter.dataset

122ms 239kB 172

http://ovm-icat2:8080/icat/entityManager?sessionId=d3983f66-a6ab-48a5-b4f0-106003dc178c&query=SELECT dataset.id, dataset.name, dataset.startDate, dataset.endDate, investigation.name, parameterType.name, parameter.stringValue, parameterType.units, parameter.id, sample.id, sample.name FROM DatasetParameter as parameter JOIN parameter.dataset dataset JOIN dataset.sample sample JOIN parameter.type parameterType JOIN dataset.investigation investigation where investigation.id = '1405067863' and parameterType.name = 'scanType'

23ms 35KB

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Anymous: 0f7b170a-ab04-444a-8e59-9dc573a22ff7

http://ovm-icat2:8080/icat/entityManager?sessionId=0f7b170a-ab04-444a-8e59-9dc573a22ff7&query=SELECT parameter from DatasetParameter parameter JOIN parameter.dataset dataset JOIN parameter.type parameterType JOIN dataset.investigation investigation where investigation.id = '1405067863' and parameterType.name = 'scanType' INCLUDE parameter.type, parameter.dataset