android - Delphi XE5 RestClient and PHP generated JSON with boolean data types -

-

I'm making my first Android app with Delphi XE5.

PostgreSQL database running on an intranet in the data

Given that access to databases directly from mobile devices is not recommended, I provide Apache Web Server and PHP application have installed.

Everything is fine, but I have a problem with the boolean field:

This is a sample table: 

  choose from resources *;

and use the json_econder function to return data in json format: 

  $ r = $ dbh- & gt; Query ($ sql); If ($ r) {$ f = $ r-> gt; all (); Echo json_encode ($ f); } ...

The returned data is as follows: 

  [{"" resource_id ": 1 , "0": 1, "resource_name": "lathe 01", "1": "lathe 01", "action": wrong, "2": wrong}, {"resource_id": 2, "0": 2 True, "2": true} {"resource_id": 3, "0": 3, "source_name": "lathe 02", "1": "lathe 02", "is_carnation"} {"resource_id": 3, "resource_name": "01 press Delphi Program contains the following components:  
    ", "1": "press 01", "ice_work": true, "2": true]] RESTClient1: TRESTClient1  
  •  RESTResponse1: RESTResponse  
  •  RestRequest1: TRestRequest  
  •  RESTResponseDataSetAdapter1: TRESTResponseDataSetAdapter  
  •  Clien RESOURCE_ID (ftInteger)  
  •  RESOURCE_NAME (ftString)  
  •  is_working:  
     element RESTResponseDataSetAdapter1    I have created the necessary fields (FtBoolean)   
     and I have updated the ClientDataSet1 fields for the RESTResponseDataSetAdapter1.  
     If I run the app, then  
      in the command 1.execeit; Exception has been raised: Invalid value debug mode two exceptions for  
     
     field 'is_working'   
     In the type (boolean) type of type (UnicodeString) the version does not change cold '  
     and then:    
     
     
     There is an 'invalid value for field' in the adidax error message_working ''   
     What went wrong?   
     
     
     The problem is in the REST.Response.Adapter unit, enough to stop the callback for parsing your data in a dataset Are not  
      process TCustomJSONDataSetAdapter.CB_CollectFieldDefs (constant AJSONObject: TJSONObject) ;. Var LJSneaker: TJSniper; Start in AJSONObject for LJSONPier, Start DoAddDataSetFieldDef (LJSONPair.JsonString.Value, ftString); End; End; // and process TCustomJSONDataSetAdapter.CB_CollectFieldDefs (const AJSONObject: TJSONObject); Var LJSneaker: TJSniper; Start in AJSONObject for LJSONPier, Start DoAddDataSetFieldDef (LJSONPair.JsonString.Value, ftString); End; End;  
     
     In your case CB_CollectFieldDefs is not called because you have manually created dataset field definitions. It should be parsed simple, but unfortunately this is not the case. The reason for this is that TJsonPair Boolean Jason does not correctly parse values ​​in TJsonObject. Until CB_CollectFieldData is called, all Boolean values ​​are empty string. Therefore we get the exception 'type (UnicodeString) type can not be converted into (bullion).'

Comments

Post a Comment

Popular posts from this blog

import - Python ImportError: No module named wmi -

-
I followed the instructions for downloading WMI for Python When I try to run the code for C.Win32_Service (StartMode = "Auto", state = "Stopped") import wmi c = wmi.WMI (): if Raw_input ("restart% s?"% S.Caption) .upper () == "Y": s.StartService () I got the error < Code> traceback (most recent call end): file ". \", Line 1, edit: I am using Python 2.7.6 EDIT2: I am running 64-bit Windows 2008 R2, and I've downloaded WMI-1.4.9.zip (md5). I removed the content and put it in D: Python \ Tools \ Scripts I executed dragon setup.py.install I said D : \ Python \ tools \ scripts to% PATH% and when I execute the code for C.Win32_Service (StartMode = "Auto", state = "Stopped") import wmi c = Wmi.WMI (): If raw_input ("Restart% s?"% S. Caption). () == "Y": s.StartService () error me Gets traceback (most recent call final): File ". See \", line 1, &
Read more

Editing Python Class in Shell and SQLAlchemy -

-
I am working on the terminal on a shell script after this tutorial SQLAlchemy tutorial. I need to type gt; & Gt; & Gt; Sqlalchemy import column, integer, string & gt; & Gt; & Gt; Class user (base): __tablename__ = 'users' id = column (integer, primary_key = true) name = column (string) absolute name = column (string) password = column (string) def __repr __ (self): return "& lt ; User (name = '% s', absolute name = '% s', password = '% s') & gt; "% (Self.name, self.fullname, self.password) After the problem I have typed the password = column (string) I hit twice and changed .... >> I then took everything back but then an error was thrown because the class already exists ... I am not completely sure how to fix it. How do I open that slip in the shell script and edit it (Add DF to DRR) The error thrown below: / user / giripeters / TFSQLLX / Lib / python2.7 / site-packages / sqlalchemy / ext / decla
Read more

c# - MySQL Parameterized Select Query joining tables issue -

-
I am using parameterized select questions in conjunction with my program and it works entirely, When I try to join the table Everything I have done is a small fraction: using (MySqlCommand cmd = new MySqlCommand (paramQuery) ToSql (), Connection)) /etc/ paramQuery.ToSql () Equal: "Select TableOne ID, Tableon, Department, Tablet. One by name table, Table 2 h Yes TableOnEID = @Pharmak "* / for (Int Index = 0; Index and Lt; ParamariX Parameter (.c calculation; Index ++) Cmd.Parameters.AddWithValue (paramQuery.Parameters (). ElementAt (index). , ParamQuery.Parameters (). ElementAt (index) .Value); / * ParamQuery.Parameters (). ElementAt (index) .k = "@most 0" paramQuery.Parameters (). ElementAt (index) .Value = "tableTwo.ID" * / MySqlDataReader Reader = cmd.ExecuteReader (); While (reader.Read ()) {// do stuff} } One of the tables I attempt to join is For the table, two with the same id for all. Is there something that I'm doing wrong?
Read more