Add indexes to prevent Query Blocking with full search for Big offline map. #9274
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If TileDB is bigger than 2GB,
--- sq = QString("SELECT COUNT(size), SUM(size) FROM Tiles WHERE tileID IN (SELECT A.tileID FROM SetTiles A join SetTiles B on A.tileID = B.tileID WHERE B.setID ---
This query holds so long time QGCTileCache Worker.
I solved my problems with adding an index like that.