xuzhg / mydotnetconf

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School-Student OData service using SqlLite as database.

Here's the School sample data:

Here's Student sample data:

Updated on 2/7/2023: make the basic query on JSON array column:

For example: http://localhost:5168/odata/schools?$filter=Branches/any(a: a/City eq 'Gur')

Basic usages

Run the service and try any of these requests:

Basic query:

http://localhost:5168/odata/$metadata

http://localhost:5168/$odata

http://localhost:5168/odata/schools?$filter=schoolid eq 3

http://localhost:5168/odata/schools?$filter=schoolid le 3

http://localhost:5168/odata/schools?$filter=schoolid ge 3

http://localhost:5168/odata/schools?$top=1

http://localhost:5168/odata/schools?$top=1&$skip=2

http://localhost:5168/odata/schools?$top=1&$orderby=schoolId desc

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo

$select:

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo&$select=SchoolName

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo&$select=mailaddress($select=street)

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo&$select=schoolname,mailaddress($select=city,street)

$expand:

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo&$select=schoolname,mailaddress($select=city,street)&$expand=students

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo&$select=schoolname,mailaddress($select=city,street)&$expand=students($top=1)

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo&$select=schoolname,mailaddress($select=city,street)&$expand=students($top=1;$skip=1;$orderby=grade)

http://localhost:5168/odata/schools?$top=1&$orderby=mailaddress/AptNo&$select=schoolname,mailaddress($select=city,street)&$expand=students($top=1;$skip=1;$orderby=grade desc)

http://localhost:5168/odata/schools?$expand=students($select=FirstName;$filter=startswith(FirstName,'J'))&$select=SchoolName

$compute:

http://localhost:5168/odata/students?$select=FirstName,LastName

http://localhost:5168/odata/students?$compute=concat(concat(FirstName,' '),LastName) as FullName&$select=FullName&$count=true

http://localhost:5168/odata/students?$compute=concat(concat(FirstName,' '),LastName) as FullName&$select=FullName&$filter=length(FullName) le 9&$count=true

$apply:

http://localhost:5168/odata/students?$apply=groupby((FavoriteSport))

http://localhost:5168/odata/students?$apply=groupby((FavoriteSport), aggregate($count as count))

http://localhost:5168/odata/students?$apply=groupby((FavoriteSport), aggregate($count as count, Grade with average as Avg, Grade with sum as Total))

$search

http://localhost:5168/odata/students?$filter=grade ge 90 and grade lt 95&$select=Grade

http://localhost:5168/odata/students?$search=A&$select=Grade

http://localhost:5168/odata/students?$search="A%2B"&$select=Grade

More $filter

http://localhost:5168/odata/schools?$filter=ContactEmails/any(a: a eq '[e-mail]')

http://localhost:5168/odata/schools?$filter=Branches/any(a: a/City eq 'Gur')