FastMM reported these details:

--------------------------------2014/10/19 20:36:47--------------------------------
This application has leaked memory. The small block leaks are (excluding expected leaks registered by pointer):

53 - 68 bytes: TObjectDictionary x 20

Note: Memory leak detail is logged to a text file in the same folder as this application. To disable this memory leak check, undefine "EnableMemoryLeakReporting".

--------------------------------2014/10/19 20:36:47--------------------------------
A memory block has been leaked. The size is: 68

This block was allocated by thread 0x1684, and the stack trace (return addresses) at the time was:
406C9A [System.pas][System][System.@GetMem][4391]
408777 [System.pas][System][System.TObject.NewInstance][15641]
408E9E [System.pas][System][System.@ClassCreate][16951]
9F1F26 [System.Generics.Collections.pas][IBX.IBDatabase][IBX.IBDatabase.{System.Generics.Collections}TDictionary.Create][1785]
9EB073 [IBX.IBDatabase.pas][IBX.IBDatabase][IBX.IBDatabase.TSchema.Add_Node][2582]
9EB8F3 [IBX.IBDatabase.pas][IBX.IBDatabase][IBX.IBDatabase.TSchema.Has_COMPUTED_BLR][2685]
9E877E [IBX.IBDatabase.pas][IBX.IBDatabase][IBX.IBDatabase.TIBDatabase.Has_COMPUTED_BLR][1504]
992A9A [IBX.IBCustomDataSet.pas][IBX.IBCustomDataSet][IBX.IBCustomDataSet.TIBCustomDataSet.InternalInitFieldDefs][3257]
990083 [IBX.IBCustomDataSet.pas][IBX.IBCustomDataSet][IBX.IBCustomDataSet.TIBCustomDataSet.InternalPrepare][1953]
A054CC [IBX.IBQuery.pas][IBX.IBQuery][IBX.IBQuery.TIBQuery.QueryChanged][217]
A05EBD [IBX.IBQuery.pas][IBX.IBQuery][IBX.IBQuery.TIBQuery.PrepareSQL][423]

The block is currently used for an object of class: TObjectDictionary

The allocation number is: 59571

Hafedh TRIMECHE wrote:
> FastMM reported these details:
> 
> --------------------------------2014/10/19 20:36:47--------------------------------
> This application has leaked memory. The small block leaks are (excluding expected leaks registered by pointer):
> 
> 53 - 68 bytes: TObjectDictionary x 20
> 
> Note: Memory leak detail is logged to a text file in the same folder as this application. To disable this memory leak check, undefine "EnableMemoryLeakReporting".
> 
> --------------------------------2014/10/19 20:36:47--------------------------------
> A memory block has been leaked. The size is: 68
> 
> This block was allocated by thread 0x1684, and the stack trace (return addresses) at the time was:
> 406C9A [System.pas][System][System.@GetMem][4391]
> 408777 [System.pas][System][System.TObject.NewInstance][15641]
> 408E9E [System.pas][System][System.@ClassCreate][16951]
> 9F1F26 [System.Generics.Collections.pas][IBX.IBDatabase][IBX.IBDatabase.{System.Generics.Collections}TDictionary.Create][1785]
> 9EB073 [IBX.IBDatabase.pas][IBX.IBDatabase][IBX.IBDatabase.TSchema.Add_Node][2582]
> 9EB8F3 [IBX.IBDatabase.pas][IBX.IBDatabase][IBX.IBDatabase.TSchema.Has_COMPUTED_BLR][2685]
> 9E877E [IBX.IBDatabase.pas][IBX.IBDatabase][IBX.IBDatabase.TIBDatabase.Has_COMPUTED_BLR][1504]
> 992A9A [IBX.IBCustomDataSet.pas][IBX.IBCustomDataSet][IBX.IBCustomDataSet.TIBCustomDataSet.InternalInitFieldDefs][3257]
> 990083 [IBX.IBCustomDataSet.pas][IBX.IBCustomDataSet][IBX.IBCustomDataSet.TIBCustomDataSet.InternalPrepare][1953]
> A054CC [IBX.IBQuery.pas][IBX.IBQuery][IBX.IBQuery.TIBQuery.QueryChanged][217]
> A05EBD [IBX.IBQuery.pas][IBX.IBQuery][IBX.IBQuery.TIBQuery.PrepareSQL][423]
> 
> The block is currently used for an object of class: TObjectDictionary
> 
> The allocation number is: 59571

Yes this is known and fixed internally.  It is only really a factor if you 
create and destroy a lot of TIBDatabase components during your app.  for the 
most part where you connect and keep the connection going for hte lifetime, it 
is memory that would just be cleaned up by the OS at app close time.

The fix is to change in IBX.IBDatabase.pas line 2582 to

   FFieldList := TFieldDictionary.Create([doOwnsValues]);


and 2649 to

   FRelations := TRelationDictionary.Create([doOwnsValues]);

and statically link in the changed pas file.

Also there is a dedicated InterbaseExpress group here.  That is a better way to 
make sure IBX issues are seen or answered.  I rarely read the DBX group.

-- 
Jeff Overcash (TeamB)
       (Please do not email me directly unless  asked. Thank You)
And so I patrol in the valley of the shadow of the tricolor
I must fear evil. For I am but mortal and mortals can only die.
Asking questions, pleading answers from the nameless
faceless watchers that stalk the carpeted  corridors of Whitehall.
              (Fish)