parent and child structure in datatable

parent and child structure in datatable

powerofphppowerofphp Posts: 1Questions: 1Answers: 0

Link to test case:
Debugger code:
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Description of problem:
Is it possible to have datatable in format as shown in image:
currently I m not using server script to generate this structure. Its simple two queries in mysql and within this query get childs of parents. due to this approach it takes so long to load the result. please suggest, how can i create this structure with server side.

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