Hi. I love Qt. These days I have been working on Qt project with 5.15 of version. Here I have one issue on QTableView/Model. I have a playlist with hundreds of thousands of records. Each record has 100+ fields. It takes a little time to load all of the playlists fully. But my client wants me to load it instantly So I tried with custom model and scroll bar. What I tried is to load only visible records instead of loading all records. So the model is changed by SQL Query (ex: "Select * from t_list Order by name asc limit 30, 100") when scrolling. Everything is good. But I can not implement "SelectionModel" on this model. For example, I want to select first record and last record. For now, If I select the first record and scroll to down then, I can not keep selections because the model is changed by scrolling.
How can I solve this issue efficiently? Or is there another way to load a list with hundreds of thousands of records instantly? Please reply me kindly. Best regards, Milos.
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