handle boolean to integer cast in sqlserver

core/dbio/database/database_sqlserver.go

@@ -899,7 +899,7 @@ func (conn *MsSQLServerConn) CastColumnForSelect(srcCol iop.Column, tgtCol iop.C
 		selectStr = g.F("cast(%s as nvarchar(max))", qName)
 	case srcCol.IsString() && tgtCol.IsInteger():
 		// assume bool, convert from true/false to 1/0
-		sql := `case when {col} = 'true' then 1 when {col} = 'false' then 0 else {col} end`
+		sql := `case when {col} = 'true' then 1 when {col} = 'false' then 0 else cast({col} as bigint) end`
 		selectStr = g.R(sql, "col", qName)
 	default:
 		selectStr = qName