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Hello, I am an engineering student working on a project in which sql anywhere will works as a back-end database. I have faced a problem to insert binary data into tables using FUNC_INFO( extern, void, esqlentry, dbpp_execute_imm, (SQLCA ,char ,unsigned short int )) I also try to run FUNC_INFO( extern, void, esqlentry, dbpp_prepare, (SQLCA ,char ,char ,short int ,char ,struct sqlda ,unsigned int )), but fails because there is no documentation found on net about these functions. Please guide me, I am waiting for a reply. Thanks |
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The dbpp_* entry points are for use by ESQL programs and calls to them are generated by the ESQL preprocessor: sqlpp. Users are not supposed to write code to call these functions directly. See http://dcx.sybase.com/index.html#1201/en/dbprogramming/pg-esql.html for information on using ESQL. BTW, are you required to use ESQL for your project? Possibly you could use ODBC, .NET, or perhaps even a scripting language such as python or perl? Hello john, Thanks for your reply................. Actually I need to use Embedded SQL because of my project requirement and I am using dblib.dll for this purpose. I need to insert data in Long Binary type field of SQL AnyWhere table . I need to use parametrized query for this and I have used functions of dblib.dll to insert data in table, but I have header file containing function declaration , so I am unable to implement the function to prepare statement using dblib.dll. Following is prototype of function: FUNC_INFO( extern, void, esqlentry, dbpp_prepare, (SQLCA ,char ,char ,short int ,char ,struct sqlda ,unsigned int )) I could not get any documentation describing the parameters of this function . How can I prepare a statement using functions of this dll and Execute it to insert binary data. Please help me out as I am new to this Embedded SQL concept.... Waiting for positive response............... Thanks Amit Chauhan
(20 Jun '11, 06:01)
Amit Chauhan
When developing with Embedded SQL, you write C/C++ source usually as a .sqc file that has embedded
(20 Jun '11, 08:41)
Ian McHardy
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It is unsupported and undocumented to call dbpp_prepare directly. You must use embedded SQL (EXEC SQL...) and use the sqlpp pre-processor. To insert binary data into a table using Embedded SQL, you may want to do something like the following (assuming the data to be inserted is in source_data, and the table you want to insert into is my_table with one column): EXEC SQL BEGIN DECLARE SECTION; DECL_LONGBINARY(100000) binary_host_var; EXEC SQL END DECLARE SECTION; memcpy( binary_host_var.array, source_data, source_data_len ); binary_host_var.stored_len = source_data_len; db_string_connect( &sqlca, "uid=dba;pwd=sql" ); EXEC SQL INSERT INTO my_table values( :binary_host_var ); EXEC SQL COMMIT; db_string_disconnect( &sqlca ); Comment Text Removed
What exactly do you mean with "everything at run time dynamically"?
I'm sure there are even more infos available but I would strongly recommend to have a look at the docs.
(27 Jun '11, 07:12)
Volker Barth
I saw all suggested documents already, please check link below: ftp://58.130.54.4/cmis/ediasoft100315/ediasoft/asa9/SQL%20Anywhere%209/h/sqlfuncs.h Now I want to know about ant documentation or another help how can I use the functions of "sqlfuncs.h", I done all works except insertion of binary, long binary & long varchar data. Please help me.
(06 Jul '11, 03:02)
Amit Chauhan
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For me your Func_Info looks like a c++ preprocessor makro so check your header files for the implementation, maybe from there you can identify what and how it should be done. |
I have dynamically loaded dblib.dll and Using its functions to interact with database. But I do not know how to execute parametrized query using functions of dblib.dll. I have seen
dbpp_prepare, (SQLCA *,char *,char *,short int *,char *,struct sqlda *,unsigned int ))but I don't know how to implement this function to prepare a statement because of missing argument list documentation. Can you guide me how to use functions of this dll to execute a parametrized query?I want all things are dynamically not static.
Amit, have you read any of the suggested documentation? - IMHO, it should really answer your questions.
I saw all suggested documents already, please check link below: ftp://58.130.54.4/cmis/ediasoft100315/ediasoft/asa9/SQL%20Anywhere%209/h/sqlfuncs.h
Now I want to know about ant documentation or another help how can I use the functions of "sqlfuncs.h", I done all works except insertion of binary, long binary & long varchar data. Please help me.