Fix a few deprecation warnings

examples/cross_todo/nim_backend/backend.nim

@@ -1,6 +1,6 @@
 # Backend for a simple todo program with sqlite persistence.
 #
-# Most procs dealing with a TDbConn object may raise an EDb exception.
+# Most procs dealing with a DbConn object may raise an EDb exception.
 
 import db_sqlite, parseutils, strutils, times
 
@@ -42,7 +42,7 @@ proc initDefaults*(params: var TPagedParams) =
   params.showChecked = false
 
 
-proc openDatabase*(path: string): TDbConn =
+proc openDatabase*(path: string): DbConn =
   ## Creates or opens the sqlite3 database.
   ##
   ## Pass the path to the sqlite database, if the database doesn't exist it
@@ -86,7 +86,7 @@ proc getModificationDate*(todo: TTodo): Time =
   return todo.modificationDate
 
 
-proc update*(todo: var TTodo; conn: TDbConn): bool =
+proc update*(todo: var TTodo; conn: DbConn): bool =
   ## Checks the database for the object and refreshes its variables.
   ##
   ## Use this method if you (or another entity) have modified the database and
@@ -112,7 +112,7 @@ proc update*(todo: var TTodo; conn: TDbConn): bool =
     echo("Something went wrong selecting for id " & $todo.id)
 
 
-proc save*(todo: var TTodo; conn: TDbConn): bool =
+proc save*(todo: var TTodo; conn: DbConn): bool =
   ## Saves the current state of text, priority and isDone to the database.
   ##
   ## Returns true if the database object was updated (in which case the
@@ -135,7 +135,7 @@ proc save*(todo: var TTodo; conn: TDbConn): bool =
 
 # - Procs dealing directly with the database
 #
-proc addTodo*(conn: TDbConn; priority: int; text: string): TTodo =
+proc addTodo*(conn: DbConn; priority: int; text: string): TTodo =
   ## Inserts a new todo into the database.
   ##
   ## Returns the generated todo object. If there is an error EDb will be raised.
@@ -149,7 +149,7 @@ proc addTodo*(conn: TDbConn; priority: int; text: string): TTodo =
   result = initFromDB(todoId, text, priority, false, currentDate)
 
 
-proc deleteTodo*(conn: TDbConn; todoId: int64): int64 {.discardable.} =
+proc deleteTodo*(conn: DbConn; todoId: int64): int64 {.discardable.} =
   ## Deletes the specified todo identifier.
   ##
   ## Returns the number of rows which were affected (1 or 0)
@@ -157,7 +157,7 @@ proc deleteTodo*(conn: TDbConn; todoId: int64): int64 {.discardable.} =
   result = conn.execAffectedRows(query, $todoId)
 
 
-proc getNumEntries*(conn: TDbConn): int =
+proc getNumEntries*(conn: DbConn): int =
   ## Returns the number of entries in the Todos table.
   ##
   ## If the function succeeds, returns the zero or positive value, if something
@@ -171,7 +171,7 @@ proc getNumEntries*(conn: TDbConn): int =
     result = -1
 
 
-proc getPagedTodos*(conn: TDbConn; params: TPagedParams;
+proc getPagedTodos*(conn: DbConn; params: TPagedParams;
                     page = 0'i64): seq[TTodo] =
   ## Returns the todo entries for a specific page.
   ##
@@ -210,7 +210,7 @@ proc getPagedTodos*(conn: TDbConn; params: TPagedParams;
         row[3].parseBool, Time(row[4].parseInt)))
 
 
-proc getTodo*(conn: TDbConn; todoId: int64): ref TTodo =
+proc getTodo*(conn: DbConn; todoId: int64): ref TTodo =
   ## Returns a reference to a TTodo or nil if the todo could not be found.
   var tempTodo: TTodo
   tempTodo.id = todoId

examples/cross_todo/nim_backend/testbackend.nim

@@ -3,7 +3,7 @@
 import backend, db_sqlite, strutils, times
 
 
-proc showPagedResults(conn: TDbConn; params: TPagedParams) =
+proc showPagedResults(conn: DbConn; params: TPagedParams) =
   ## Shows the contents of the database in pages of specified size.
   ##
   ## Hmm... I guess this is more of a debug proc which should be moved outside,

examples/cross_todo/nim_commandline/nimtodo.nim

@@ -191,7 +191,7 @@ proc parseCmdLine(): TParamConfig =
     abort("Used list options, but didn't specify the list command.", 10)
 
 
-proc generateDatabaseRows(conn: TDbConn) =
+proc generateDatabaseRows(conn: DbConn) =
   ## Adds some rows to the database ignoring errors.
   discard conn.addTodo(1, "Watch another random youtube video")
   discard conn.addTodo(2, "Train some starcraft moves for the league")
@@ -209,7 +209,7 @@ proc generateDatabaseRows(conn: TDbConn) =
   echo("Generated some entries, they were added to your database.")
 
 
-proc listDatabaseContents(conn: TDbConn; listParams: TPagedParams) =
+proc listDatabaseContents(conn: DbConn; listParams: TPagedParams) =
   ## Dumps the database contents formatted to the standard output.
   ##
   ## Pass the list/filter parameters parsed from the commandline.
@@ -239,7 +239,7 @@ proc listDatabaseContents(conn: TDbConn; listParams: TPagedParams) =
       todo.text])
 
 
-proc deleteOneTodo(conn: TDbConn; todoId: int64) =
+proc deleteOneTodo(conn: DbConn; todoId: int64) =
   ## Deletes a single todo entry from the database.
   let numDeleted = conn.deleteTodo(todoId)
   if numDeleted > 0:
@@ -248,7 +248,7 @@ proc deleteOneTodo(conn: TDbConn; todoId: int64) =
     quit("Couldn't delete todo id " & $todoId, 11)
 
 
-proc deleteAllTodos(conn: TDbConn) =
+proc deleteAllTodos(conn: DbConn) =
   ## Deletes all the contents from the database.
   ##
   ## Note that it would be more optimal to issue a direct DELETE sql statement
@@ -273,7 +273,7 @@ proc deleteAllTodos(conn: TDbConn) =
   echo("Deleted $1 todo entries from database." % $counter)
 
 
-proc setTodoCheck(conn: TDbConn; todoId: int64; value: bool) =
+proc setTodoCheck(conn: DbConn; todoId: int64; value: bool) =
   ## Changes the check state of a todo entry to the specified value.
   let
     newState = if value: "checked" else: "unchecked"
@@ -293,7 +293,7 @@ proc setTodoCheck(conn: TDbConn; todoId: int64; value: bool) =
     quit("Error updating todo id $1 to $2." % [$todoId, newState])
 
 
-proc addTodo(conn: TDbConn; priority: int; tokens: seq[string]) =
+proc addTodo(conn: DbConn; priority: int; tokens: seq[string]) =
   ## Adds to the database a todo with the specified priority.
   ##
   ## The tokens are joined as a single string using the space character. The