updel_x_.cpp
上传用户:dzyhzl
上传日期:2019-04-29
资源大小:56270k
文件大小:1k
- #include <windows.h>
- #include <sqlplus.hh>
- #define MY_DATABASE "telcent"
- #define MY_TABLE "nazivi"
- #define MY_HOST "localhost"
- #define MY_USER "root"
- #define MY_PASSWORD ""
- #define MY_FIELD "naziv"
- #define MY_QUERY "SELECT URL from my_table as t1, my_table as t2 where t1.field = t2.field"
- int main (void) {
- Connection con(use_exceptions);
- try {
- ostrstream strbuf; unsigned int i=0;
- con.real_connect (MY_DATABASE,MY_HOST,MY_USER,MY_PASSWORD,3306,(int)0,60,NULL);
- Query query = con.query(); query << MY_QUERY;
- ResUse res = query.use(); Row row;
- strbuf << "delete from " << MY_TABLE << " where " << MY_FIELD << " in (";
- // for UPDATE just replace the above DELETE FROM with UPDATE statement
- for(;row=res.fetch_row();i++) strbuf << row[0] << ","; if (!i) return 0;
- string output(strbuf.str()); output.erase(output.size()-1,1); output += ")";
- query.exec((const string&)output); // cout << output << endl;
- return 0;
- } catch (BadQuery er) {
- cerr << "Error: " << er.error << " " << con.errnum() << endl;
- return -1;
- }
- }