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/* 
 * Sybase driver for the Pike programming language. 
 * By Francesco Chemolli <kinkie@roxen.com> 10/12/1999 
 * (C) Roxen IS 
 *  
 * $Id: sybase.pike,v 1.4 2000/09/26 19:00:12 hubbe Exp $ 
 * 
 */ 
 
#pike __VERSION__ 
 
#if constant(sybase.sybase) 
 
inherit sybase.sybase:mo; 
#define THROW(X) throw(({X+"\n",backtrace()})) 
 
 
/* 
 * Deprecated. Use connect(host,db,user,pass) instead. 
 */ 
void select_db(string db) 
{ 
  mo::big_query("use "+db); 
} 
 
/* 
 * Deprecated. Use an SQL command instead. 
 */ 
void create_db (string dbname) { 
  mo::big_query("create database "+dbname); 
} 
 
/* 
 * Deprecated. Use an SQL command instead. 
 */ 
void drop_db (string dbname) { 
  mo::big_query("drop database "+dbname); 
} 
 
void shutdown() { 
  catch { //there _will_ be an error. It's just that we don't care about it. 
    mo::big_query("shutdown"); 
  }; 
} 
 
string server_info () { 
  return "sybase/10.X or 11.X"; 
} 
 
/* 
 * Unimplemented. Anyone knows Transact-SQL well enough? 
 * maybe we could use the connection properties otherwise (CS_HOSTNAME) 
 */ 
string host_info() { 
  return "unknown"; 
} 
 
/* 
 * Unimplemented. Anyone knows Transact-SQL well enough? 
 */ 
array(string) list_dbs(string|void wild) { 
  THROW("Unsupported"); 
} 
 
/* 
 * Unimplemented. PLEASE tell me somebody knows how to do this. 
 * There MUST be some system stored procedure... 
 */ 
array(string) list_tables(string|void wild) { 
  THROW("Unsupported"); 
} 
 
/* 
 * Unimplemented. 
 */ 
array(string) list_fields(string|void wild) { 
  THROW("Unsupported"); 
} 
 
int num_rows() { 
  THROW("Unsupported by the DB server"); 
} 
 
void seek(int skipthismany) { 
  if (skipthismany<0) 
    THROW("Negative skips are not supported"); 
  if (!skipthismany) 
    return; 
  while (skipthismany && fetch_row()){ 
    skipthismany--; 
  } 
} 
 
void create(void|string host, void|string db, void|string user, 
            void|string pass) { 
  mo::create(host||"",db||"",user||"",pass||""); 
  if (db && stringp(db) && sizeof(db)) { 
    mo::big_query("use "+db); 
  } 
} 
 
int|object big_query(string q, mapping(string|int:mixed)|void bindings) { 
  if (!bindings) 
    return ::big_query(q); 
  return ::big_query(.sql_util.emulate_bindings(q,bindings,this_object())); 
} 
 
#else 
#error "Sybase driver not available.\n" 
#endif