Ottimizzazioni selezione casi distinct

2022-10-18 19:16:20 +02:00
parent 759373b5a4
commit a2bf5f4a8b
11 changed files with 55 additions and 22 deletions
@@ -602,10 +602,12 @@ namespace MP.Data.Controllers
        }

        /// <summary>
-        /// Elenco id Macchine che abbiano dati FLuxLog
+        /// Elenco id Macchine che abbiano dati FLuxLog, nel periodo indicato
        /// </summary>
+        /// <param name="dtStart"></param>
+        /// <param name="dtEnd"></param>
        /// <returns></returns>
-        public async Task<List<string>> MacchineWithFlux()
+        public async Task<List<string>> MacchineWithFlux(DateTime dtStart, DateTime dtEnd)
        {
            List<string> dbResult = new List<string>();
            using (var dbCtx = new MoonProContext(_configuration))
@@ -613,6 +615,7 @@ namespace MP.Data.Controllers
                dbResult = await dbCtx
                                .DbSetFluxLog
                                .AsNoTracking()
+                                .Where(x => x.dtEvento >= dtStart && x.dtEvento <= dtEnd)
                                .Select(i => i.IdxMacchina)
                                .Distinct()
                                .ToListAsync();
@@ -795,8 +798,10 @@ namespace MP.Data.Controllers
                            .DbSetFluxLog
                            .AsNoTracking()
                            .Where(x => (IdxMacchina == "*" || x.IdxMacchina == IdxMacchina))
+                            .Take(1000)
                            .Select(i => i.CodFlux)
                            .Distinct()
+                            .OrderBy(x => x)
                            .ToList();
            }
            return dbResult;