Hi,
I am using a UDF library with VS2008 and FirebirdSql.Data.FirebirdClient
version v2.0.50727
I have done the UDF library with Delphi 2005
There is a function to get a file from the server:
procedure GETFILE(FileName : PChar; Blob : PBlob); cdecl ; export;
DECLARE EXTERNAL FUNCTION F_GETFILE
CSTRING(255) CHARACTER SET NONE
RETURNS BLOB FREE_IT
ENTRY_POINT 'GETFILE' MODULE_NAME 'mydll.dll';
select F_GETFILE(''c:\test.txt'') from rdb$database
this works fine. I get a query with the blob in first column.
Now I need to send the file back to the server:
procedure SETFILE(FileName : PChar; Blob : PBlob; var ReturnCode : integer);
cdecl ; export;
DECLARE EXTERNAL FUNCTION F_SETFILE
CSTRING(255) CHARACTER SET NONE, BLOB
RETURNS INTEGER FREE_IT
ENTRY_POINT 'SETFILE' MODULE_NAME 'mydll.dll';
How does the SQL statement look like to get the blob to the function?
Many thanks in advance
Klaus
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