harbour-core/harbour/contrib/rddads/tests/datad.prg

/*
 * $Id$
 */

/*
    Demo of ADS Connection handling and Data Dictionaries
*/


#include "ads.ch"
REQUEST ADS

FUNCTION MAIN
   local n
   local cErr, cStr
   local aStru := {{ "ID", "A", 1, 0}, {"Name", "C", 50, 0}, {"address", "C", 50, 0}, {"city", "C", 30, 0}, {"Age", "n", 3, 0}}
   local hConnection1, hConnection2
   local lIsDict := .f.

   CLS

   RddSetDefault("ADT")
   AdsSetServerType ( 7 )
   SET Filetype to ADT

   ? "Default connection is 0:", adsConnection()

   fErase("harbour.add")
   fErase("harbour.ai")
   fErase("harbour.am")
   fErase("Table1.adt")
   fErase("Table1.adi")
   fErase("Table2.adt")
   fErase("Table2.adi")

   // now Create a Data dictionary and the files if not exist
   IF !File("harbour.add")
      ADSDDCREATE("harbour.add",, "(x)Harbour ADS demo for data dictionary")
      // This also creates an Administrative Handle that is set as the default
      ? "Default connection is now this admin handle:", adsConnection()
      AdsDisconnect()   // disconnect current default.
                        // if you wanted to retain this connection for later, you could use
                        // hAdminCon := adsConnection(0)
                        // This get/set call would return the current connection, then set it to 0

      ? "Default connection is now this handle (zero):", adsConnection()

      // now create two free tables with same structure
      DbCreate("Table1", aStru)
      DbCreate("Table2", aStru)
      //now create an index
      USE table1 new
      INDEX ON id TAG codigo
      USE

      USE table2 new
      INDEX ON id TAG codigo
      USE
   ENDIF

   // now the magic
   IF adsConnect60("harbour.add", 7/* All types of connection*/, "ADSSYS", "", , @hConnection1 )
      // The connection handle to harbour.add is now stored in hConnection1,
      // and this is now the default connection

      ? "Default connection is now this handle:", adsConnection()
      ? "   Is it a Data Dict connection?  (ADS_DATABASE_CONNECTION=6, "
      ? "      ADS_SYS_ADMIN_CONNECTION=7):", AdsGetHandleType()

      // Add one user
      AdsDDCreateUser(, "Luiz", "papael", "This is user Luiz")


      IF adsddGetUserProperty("Luiz", ADS_DD_COMMENT, @cStr, hConnection1)
         ? "User comment:", cStr
      ELSE
         ? "Error retrieving User comment"
      ENDIF


      ? "Add the tables"
      AdsDDaddTable("Table1", "table1.adt", "table1.adi")
      ?
      IF ! AdsDDaddTable("Customer Data", "table2.adt", "table2.adi")
         // notice the "long table name" for file Table2.adt.  Later open it with "Customer Data" as the table name
          ? "Error adding table:", adsGetLastError(@cErr), cErr
      ENDIF
      ? "Set new admin pword on default  connection:", AdsDDSetDatabaseProperty( ADS_DD_ADMIN_PASSWORD, "newPWord"  )
      ? "Set new admin pword on explicit connection:", AdsDDSetDatabaseProperty( ADS_DD_ADMIN_PASSWORD, "newPWord", hConnection1  )
      ? "Clear admin pword:", AdsDDSetDatabaseProperty( ADS_DD_ADMIN_PASSWORD, ""  )


   ELSE
      ? "Error connecting to harbour.add!"
   ENDIF
   AdsDisconnect(hConnection1)
   hConnection1 := nil     // you should always reset a variable holding a handle that is no longer valid

   ? "Default connection is back to 0:", adsConnection()
   ? "Is a Data Dict connection? (AE_INVALID_HANDLE = 5018):", AdsGetHandleType()

   // now open the tables and put some data

   IF AdsConnect60("harbour.add", 7/* All types of connection*/, "Luiz", "papael", , @hConnection1)
      ? "Default connection is now this handle:", adsConnection()
      ? "Connection type?", AdsGetHandleType()

      FOR n := 1 TO  100
         IF AdsCreateSqlStatement("Data2", 3)
            IF !AdsExecuteSqlDirect(" insert into Table1( name,address,city,age) VALUES( '" + strzero(n)+"','"+strzero(n)+"','"+strzero(n)+"'," +str(n)+ ")" )
               ShowAdsError()
            ENDIF
            USE
         ENDIF
      NEXT

      FOR n := 1 TO 100
         IF AdsCreateSqlStatement("Data1", 3)
            IF !AdsExecuteSqlDirect(" insert into " +'"Customer Data"'+"( name,address,city,age) VALUES( '"+ strzero(n)+"','"+strzero(n)+"','"+strzero(n)+"'," +str(n)+")" )
               ShowAdsError()
            ENDIF
            USE
         ENDIF
      NEXT


      // AdsUseDictionary(.t.)  this function no longer is needed; the system knows if it's using a Data Dictionary connection

      // Open the "long table name" for Table2
      DbUseArea(.t.,, "Customer Data", "custom", .t., .f.)
      ? "Press a key to browse", alias()
      inkey(0)
      Browse()
      USE
      USE table1 new
      Browse()
      USE
   ENDIF

   AdsDisconnect(hConnection1)
   @ 24, 0 say ""

RETURN NIL

PROC ShowAdsError()
   LOCAL cMsg

   AdsGetLastError( @cMsg )

   Alert( cMsg )

   RETURN