[chronojump/michrolab] SqliteEncoder.Select with abbreviated table names

[Xavier Padullés <xpadulles src gnome org>]

commit 2a6a3cb577e3687651b7afd0dde315e1894270d4
Author: Xavier de Blas <xaviblas gmail com>
Date:   Fri Jun 10 19:02:56 2022 +0200

    SqliteEncoder.Select with abbreviated table names

 src/sqlite/encoder.cs | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)
---
diff --git a/src/sqlite/encoder.cs b/src/sqlite/encoder.cs
index a8ccc5878..ed81903e1 100644
--- a/src/sqlite/encoder.cs
+++ b/src/sqlite/encoder.cs
@@ -226,6 +226,10 @@ class SqliteEncoder : Sqlite
                if(! dbconOpened)
                        Sqlite.Open();
 
+               string encT = Constants.EncoderTable;
+               string encSCT = Constants.EncoderSignalCurveTable;
+               string encExT = Constants.EncoderExerciseTable;
+
                string andString = "";
                string personIDStr = "";
                if(personID != -1) {
@@ -253,7 +257,7 @@ class SqliteEncoder : Sqlite
 
                string selectStr = "";
                if(uniqueID != -1)
-                       selectStr = Constants.EncoderTable + ".uniqueID = " + uniqueID;
+                       selectStr = encT + ".uniqueID = " + uniqueID;
                else {
                        if(signalOrCurve == "all")
                                selectStr = personIDStr + sessionIDStr + exerciseIDStr + lateralityEnglishStr;
@@ -261,12 +265,12 @@ class SqliteEncoder : Sqlite
                                selectStr = personIDStr + sessionIDStr + exerciseIDStr + lateralityEnglishStr 
+ andString + " signalOrCurve = \"" + signalOrCurve + "\"";
                
                        if(ecconSelect != EncoderSQL.Eccons.ALL)
-                               selectStr += andString + Constants.EncoderTable + ".eccon = \"" + 
EncoderSQL.Eccons.ecS.ToString() + "\"";
+                               selectStr += andString + encT + ".eccon = \"" + 
EncoderSQL.Eccons.ecS.ToString() + "\"";
                }
 
-               string fromString = " FROM " + Constants.EncoderTable  + ", " + 
Constants.EncoderExerciseTable;
+               string fromString = " FROM " + encT  + ", " + encExT;
                if(orderRepsByPosInSet)
-                       fromString += ", " + Constants.EncoderSignalCurveTable;
+                       fromString += ", " + encSCT;
 
                //ensure andString is defined if selectStr is != "" (bug on 2.1.2 release)
                if(selectStr != "")
@@ -275,32 +279,32 @@ class SqliteEncoder : Sqlite
                string onlyActiveString = "";
                if(onlyActive)
                {
-                       onlyActiveString = andString + Constants.EncoderTable + ".status = \"active\" ";
+                       onlyActiveString = andString + encT + ".status = \"active\" ";
                        andString = " AND ";
                }
 
                string orderRepsByPosInSetAndStr = "";
                if(orderRepsByPosInSet)
                {
-                       orderRepsByPosInSetAndStr = andString + Constants.EncoderTable + ".uniqueID = " +
-                               Constants.EncoderSignalCurveTable + ".curveID ";
+                       orderRepsByPosInSetAndStr = andString + encT + ".uniqueID = " +
+                               encSCT + ".curveID ";
                        //andString = " AND ";
                }
 
                string orderRepsByPosInSetOrderStr = "";
                if(orderRepsByPosInSet)
-                       orderRepsByPosInSetOrderStr = Constants.EncoderSignalCurveTable + ".mscentral, ";
+                       orderRepsByPosInSetOrderStr = encSCT + ".mscentral, ";
 
                string orderIDstr = "";
                if(! orderIDascendent)
                        orderIDstr = " DESC";
 
                dbcmd.CommandText = "SELECT " + 
-                       Constants.EncoderTable + ".*, " + Constants.EncoderExerciseTable + ".name " +
+                       encT + ".*, " + encExT + ".name " +
                        fromString +
                        " WHERE " + selectStr +
-                       andString + Constants.EncoderTable + ".exerciseID = " + 
-                               Constants.EncoderExerciseTable + ".uniqueID " +
+                       andString + encT + ".exerciseID = " + 
+                               encExT + ".uniqueID " +
                                onlyActiveString + orderRepsByPosInSetAndStr +
                        " ORDER BY substr(filename,-23,19), " + //'filename,-23,19' has the date of capture 
signal
                        orderRepsByPosInSetOrderStr +