Hi, What are you trying to achieve? Are you trying to perform a "VACUUM" command on the data base?
Thank you. On Sep 1, 2017 2:23 PM, "Papa" <p...@arbolone.ca> wrote: In this snip, I'd like to show a brief description of what the class member function should do, in order to ask you if the SQL statement has been properly prepared. sqlite3* db; //!< Data Base std::string database_name; //!< The name of the database std::string sql_statement_request; //!< Formated SQL request sqlite3_stmt* binary_sql_statement; //!< SQL binary statement ...... assign values to the above strings ...... open the database ..... sql_statement_request = database_name + L" \"VACUUM; \" "; // Compiled the SQL statement into a byte-code rc = sqlite3_prepare_v2(db, sql_statement_request.data(), -1, &binary_sql_statement, NULL); I get an error indicating that binary_sql_statement evaluates to NULL. I being a SQL with C++ newbie, I'd like to ask much patience from you. Thanks -- ArbolOne.ca Using Fire Fox and Thunderbird. ArbolOne is composed of students and volunteers dedicated to providing free services to charitable organizations. ArbolOne on Java Development in progress [ í ] _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users