mirror of
https://github.com/alliedmodders/amxmodx.git
synced 2024-12-25 14:25:38 +03:00
447 lines
9.2 KiB
C++
447 lines
9.2 KiB
C++
#include <stdio.h>
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#include "sh_list.h"
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#include "sqlite_header.h"
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using namespace SourceMod;
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struct olddb_s
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{
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IDatabase *pDatabase;
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char error[255];
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int errcode;
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};
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struct oldresult_s
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{
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IQuery *pQuery;
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QueryInfo info;
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bool firstCall;
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};
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void FreeOldDb(void *ptr, unsigned int hndl)
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{
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olddb_s *old = (olddb_s *)ptr;
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if (old->pDatabase)
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{
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old->pDatabase->FreeHandle();
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old->pDatabase = NULL;
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}
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delete old;
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}
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void FreeOldResult(void *ptr, unsigned int hndl)
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{
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oldresult_s *oldres = (oldresult_s *)ptr;
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if (oldres->pQuery)
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{
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oldres->pQuery->FreeHandle();
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oldres->pQuery = NULL;
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}
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delete oldres;
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}
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//native Sql:dbi_connect(_host[], _user[], _pass[], _dbname[], _error[]="", _maxlength=0);
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static cell AMX_NATIVE_CALL dbi_connect(AMX *amx, cell *params)
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{
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int len;
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DatabaseInfo info;
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char *name = MF_GetAmxString(amx, params[4], 3, &len);
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char path[255];
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info.host = "";
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info.user = "";
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info.pass = "";
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info.database = name;
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int err;
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char error[512];
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/** if there is an older database, read there instead of the new path */
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MF_BuildPathnameR(path, sizeof(path)-1, "%s", info.database);
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FILE *fp = fopen(path, "rb");
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if (fp)
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{
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fclose(fp);
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info.database = path;
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} else {
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MF_BuildPathnameR(path, sizeof(path)-1, "%s/sqlite3/%s.sq3",
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MF_GetLocalInfo("amxx_datadir", "addons/amxmodx/data"),
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info.database);
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info.database = path;
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}
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IDatabase *pDatabase = g_Sqlite.Connect(&info, &err, error, sizeof(error)-1);
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if (!pDatabase)
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{
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MF_SetAmxString(amx, params[5], error, params[6]);
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return 0;
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}
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olddb_s *old = new olddb_s;
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int hndl;
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old->pDatabase = pDatabase;
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hndl = MakeHandle(old, Handle_OldDb, FreeOldDb);
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return hndl;
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}
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//native Result:dbi_query(Sql:_sql, _query[], {Float,_}:...);
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static cell AMX_NATIVE_CALL dbi_query(AMX *amx, cell *params)
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{
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olddb_s *old = (olddb_s *)GetHandle(params[1], Handle_OldDb);
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if (!old)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI handle %d", params[1]);
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return -1;
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}
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int len;
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char *queryString = MF_FormatAmxString(amx, params, 2, &len);
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IQuery *pQuery = old->pDatabase->PrepareQuery(queryString);
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QueryInfo info;
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old->error[0] = '\0';
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old->errcode = 0;
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if (!pQuery->Execute2(&info, old->error, 254))
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{
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old->errcode = info.errorcode;
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return -1;
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} else {
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if (info.rs && info.rs->RowCount())
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{
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oldresult_s *oldrs = new oldresult_s;
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int hndl;
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oldrs->info = info;
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oldrs->pQuery = pQuery;
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oldrs->firstCall = true;
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hndl = MakeHandle(oldrs, Handle_OldResult, FreeOldResult);
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return hndl;
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} else {
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pQuery->FreeHandle();
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return 0;
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}
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}
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/** never reach here */
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return 0;
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}
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//native Result:dbi_query2(Sql:_sql, &rows, _query[], {Float,_}:...);
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static cell AMX_NATIVE_CALL dbi_query2(AMX *amx, cell *params)
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{
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olddb_s *old = (olddb_s *)GetHandle(params[1], Handle_OldDb);
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if (!old)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI handle %d", params[1]);
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return -1;
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}
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int len;
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char *queryString = MF_FormatAmxString(amx, params, 3, &len);
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IQuery *pQuery = old->pDatabase->PrepareQuery(queryString);
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QueryInfo info;
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old->error[0] = '\0';
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old->errcode = 0;
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if (!pQuery->Execute2(&info, old->error, 254))
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{
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old->errcode = info.errorcode;
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return -1;
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} else {
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cell *addr = MF_GetAmxAddr(amx, params[2]);
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*addr = static_cast<cell>(info.affected_rows);
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if (info.rs && info.rs->RowCount())
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{
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oldresult_s *oldrs = new oldresult_s;
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int hndl;
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oldrs->info = info;
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oldrs->pQuery = pQuery;
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oldrs->firstCall = true;
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hndl = MakeHandle(oldrs, Handle_OldResult, FreeOldResult);
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return hndl;
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} else {
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pQuery->FreeHandle();
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return 0;
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}
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}
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/** never reach here */
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return 0;
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}
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//native dbi_nextrow(Result:_result);
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static cell AMX_NATIVE_CALL dbi_nextrow(AMX *amx, cell *params)
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{
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if (params[1] == 0)
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{
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return 0;
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}
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oldresult_s *oldrs = (oldresult_s *)GetHandle(params[1], Handle_OldResult);
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if (!oldrs)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI result handle %d", params[1]);
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return 0;
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}
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if (oldrs->firstCall)
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{
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oldrs->firstCall = false;
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return (oldrs->info.rs->IsDone() ? 0 : 1);
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} else {
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oldrs->info.rs->NextRow();
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return (oldrs->info.rs->IsDone() ? 0 : 1);
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}
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}
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//native dbi_field(Result:_result, _fieldnum, {Float,_}:... );
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static cell AMX_NATIVE_CALL dbi_field(AMX *amx, cell *params)
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{
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oldresult_s *oldrs = (oldresult_s *)GetHandle(params[1], Handle_OldResult);
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if (!oldrs)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI result handle %d", params[1]);
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return 0;
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}
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IResultSet *rs = oldrs->info.rs;
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IResultRow *rr = rs->GetRow();
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unsigned int num = (unsigned int)params[2] - 1;
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if (num >= rs->FieldCount())
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid column %d", params[2]);
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return 0;
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}
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cell stype = params[0] / sizeof(cell);
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const char *data = rr->GetString(num);
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if (!data)
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data = "";
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switch (stype)
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{
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case 2:
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{
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return atoi(data);
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break;
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}
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case 3:
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{
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cell *destaddr = MF_GetAmxAddr(amx, params[3]);
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REAL fdata = atof(data);
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*destaddr = amx_ftoc(fdata);
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return 1;
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break;
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}
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case 4:
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{
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return MF_SetAmxString(amx, params[3], data, params[4]);
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break;
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}
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}
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/** never reach here */
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return 0;
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}
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//native dbi_result(Result:_result, _field[], {Float,_}:... );
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static cell AMX_NATIVE_CALL dbi_result(AMX *amx, cell *params)
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{
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oldresult_s *oldrs = (oldresult_s *)GetHandle(params[1], Handle_OldResult);
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if (!oldrs)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI result handle %d", params[1]);
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return 0;
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}
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IResultSet *rs = oldrs->info.rs;
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IResultRow *rr = rs->GetRow();
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unsigned int num;
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bool found = false;
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unsigned int fields = rs->FieldCount();
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int len;
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char *field = MF_GetAmxString(amx, params[2], 0, &len);
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for (unsigned int i=0; i<fields; i++)
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{
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if (strcmp(field, rs->FieldNumToName(i)) == 0)
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{
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num = i;
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found = true;
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break;
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}
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}
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if (!found)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Unknown column \"%s\"", field);
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return 0;
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}
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cell stype = params[0] / sizeof(cell);
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const char *data = rr->GetString(num);
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if (!data)
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data = "";
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switch (stype)
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{
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case 2:
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{
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return atoi(data);
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break;
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}
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case 3:
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{
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cell *destaddr = MF_GetAmxAddr(amx, params[3]);
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REAL fdata = atof(data);
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*destaddr = amx_ftoc(fdata);
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return 1;
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break;
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}
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case 4:
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{
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return MF_SetAmxString(amx, params[3], data, params[4]);
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break;
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}
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}
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/** never reach here */
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return 0;
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}
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//native dbi_num_rows(Result:_result);
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static cell AMX_NATIVE_CALL dbi_num_rows(AMX *amx, cell *params)
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{
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oldresult_s *oldrs = (oldresult_s *)GetHandle(params[1], Handle_OldResult);
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if (!oldrs)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI result handle %d", params[1]);
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return 0;
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}
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return oldrs->info.rs->RowCount();
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}
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//native dbi_free_result(&Result:result);
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static cell AMX_NATIVE_CALL dbi_free_result(AMX *amx, cell *params)
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{
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cell *_r = MF_GetAmxAddr(amx, params[1]);
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cell num = *_r;
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if (!num)
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{
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return 1;
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}
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oldresult_s *oldrs = (oldresult_s *)GetHandle(num, Handle_OldResult);
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if (!oldrs)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI result handle %d", num);
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return 0;
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}
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FreeHandle(num);
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*_r = 0;
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return 1;
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}
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//native dbi_close(&Sql:_sql);
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static cell AMX_NATIVE_CALL dbi_close(AMX *amx, cell *params)
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{
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cell *_r = MF_GetAmxAddr(amx, params[1]);
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cell num = *_r;
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olddb_s *old = (olddb_s *)GetHandle(num, Handle_OldDb);
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if (!old)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI handle %d", num);
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return 0;
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}
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FreeHandle(num);
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*_r = 0;
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return 1;
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}
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//native dbi_error(Sql:_sql, _error[], _len);
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static cell AMX_NATIVE_CALL dbi_error(AMX *amx, cell *params)
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{
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olddb_s *old = (olddb_s *)GetHandle(params[1], Handle_OldDb);
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if (!old)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI handle %d", params[1]);
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return -1;
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}
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MF_SetAmxString(amx, params[2], old->error, params[3]);
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return old->errcode;
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}
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//native dbi_type(_type[], _len);
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static cell AMX_NATIVE_CALL dbi_type(AMX *amx, cell *params)
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{
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return MF_SetAmxString(amx, params[1], g_Sqlite.NameString(), params[2]);
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}
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//native dbi_num_fields(Result:result);
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static cell AMX_NATIVE_CALL dbi_num_fields(AMX *amx, cell *params)
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{
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oldresult_s *oldrs = (oldresult_s *)GetHandle(params[1], Handle_OldResult);
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if (!oldrs)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI result handle %d", params[1]);
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return 0;
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}
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return oldrs->info.rs->FieldCount();
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}
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//native dbi_field_name(Result:result, field, name[], maxLength);
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static cell AMX_NATIVE_CALL dbi_field_name(AMX *amx, cell *params)
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{
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oldresult_s *oldrs = (oldresult_s *)GetHandle(params[1], Handle_OldResult);
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if (!oldrs)
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{
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MF_LogError(amx, AMX_ERR_NATIVE, "Invalid DBI result handle %d", params[1]);
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return 0;
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}
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const char *name = oldrs->info.rs->FieldNumToName(static_cast<unsigned int>(params[2]-1));
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if (!name)
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return 0;
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MF_SetAmxString(amx, params[3], name, params[4]);
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return 1;
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}
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AMX_NATIVE_INFO g_OldCompatNatives[] =
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{
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{ "dbi_connect", dbi_connect },
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{ "dbi_query", dbi_query },
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{ "dbi_query2", dbi_query2 },
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{ "dbi_field", dbi_field },
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{ "dbi_nextrow", dbi_nextrow },
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{ "dbi_close", dbi_close },
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{ "dbi_error", dbi_error },
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{ "dbi_type", dbi_type },
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{ "dbi_free_result", dbi_free_result },
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{ "dbi_num_rows", dbi_num_rows },
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{ "dbi_result", dbi_result },
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{ "dbi_num_fields", dbi_num_fields },
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{ "dbi_field_name", dbi_field_name },
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{ NULL, NULL }
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};
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