API tools faq
paste
Advertisement
Eduardo_AC

Easy SQLite [e_db.inc]

Eduardo_AC
Jun 28th, 2023 (edited)
294
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
Pawn 13.63 KB | Gaming | 0 0
raw download clone embed print report
  1.  
  2. #if !defined MAX_DB_HANDLE
  3.     #define MAX_DB_HANDLE                   10
  4. #endif
  5. #define MAX_QUERY_STRING                    3072
  6. #define MAX_WHERE_STRING                    128
  7. #define MAX_TABLE_NAME                      50
  8. #define MAX_COLUMN_NAME                     50
  9. #define MAX_COLUMN_VALUE_STRING             256
  10. #define MAX_COLUMN_VALUE_INT                20
  11. #define MAX_COLUMN_VALUE_FLOAT              128
  12. #define INVALID_DB_HANDLE                   -1
  13.  
  14. enum E_DB_HANDLE_DATA
  15. {
  16.     _Table[MAX_TABLE_NAME],
  17.     _Where[MAX_WHERE_STRING],
  18.     _Value1[MAX_QUERY_STRING],
  19.     _Value2[MAX_QUERY_STRING],
  20.     _Query[MAX_QUERY_STRING],
  21.     _Elapsed
  22. }
  23. static __QueryData[MAX_DB_HANDLE][E_DB_HANDLE_DATA];
  24.  
  25. static DB:__dbHandle[MAX_DB_HANDLE] = {DB:INVALID_DB_HANDLE, ...};
  26.  
  27. forward OnDbExecuteQuery(DB:handle, sql[], bool:error, elapsed);
  28.  
  29. stock DBResult:hook_db_query(DB:db, const query[], bool:use_result)
  30. {
  31.     new tick = GetTickCount();
  32.    
  33.     new DBResult:result = db_query(db, query);
  34.     if(!use_result)
  35.         db_free_result(result);
  36.    
  37.     CallLocalFunction("OnDbExecuteQuery", "isbi", _:db, query, (result < DBResult:1), (GetTickCount() - tick));
  38.     return result;
  39. }
  40. #if defined _ALS_db_query
  41.     #undef db_query
  42. #else
  43.     #define _ALS_db_query
  44. #endif
  45. #define db_query hook_db_query
  46.  
  47. // --- COMMAND HANDLER ---
  48.  
  49. stock db_query_handle(DB:handle, bool:force_handle = true)
  50. {
  51.     new idx = GetFreeDbHandleSlot();
  52.     if(force_handle)
  53.     {
  54.         new bool:wait_handle = false;
  55.         new wait_handle_tick = GetTickCount();
  56.         while(idx == -1)
  57.         {
  58.             wait_handle = true;
  59.             idx = GetFreeDbHandleSlot();
  60.         }
  61.        
  62.         if(wait_handle)
  63.             printf("\n\n[E_DB WARN] Waiting for create new db handle (%ims)\n\n", GetTickCount() - wait_handle_tick);
  64.     }
  65.    
  66.     if(idx == -1)
  67.     {
  68.         print("\n\n[E_DB ERROR] Error to create new db handle (%ims)\n\n");
  69.         return INVALID_DB_HANDLE;
  70.     }
  71.    
  72.     __dbHandle[idx] = handle;
  73.     __QueryData[idx][_Elapsed] = GetTickCount();
  74.     return idx;
  75. }
  76.  
  77. // --- TABLE CREATE ---
  78.  
  79. stock db_create_table(handle, const name[])
  80. {
  81.     if(!IsValidDbHandle(handle) || !strlen(name))
  82.     {
  83.         ClearCashHandle(handle);
  84.         return false;
  85.     }
  86.    
  87.     strcat(__QueryData[handle][_Value1], "CREATE TABLE IF NOT EXISTS ");
  88.     strcat(__QueryData[handle][_Value1], name);
  89.     return true;
  90. }
  91.  
  92. stock db_add_column(handle, const name[], const datatype[])
  93. {
  94.     if(!IsValidDbHandle(handle) || !strlen(name) || !strlen(datatype))
  95.     {
  96.         ClearCashHandle(handle);
  97.         return false;
  98.     }
  99.    
  100.     strcat(__QueryData[handle][_Value2], name);
  101.     strcat(__QueryData[handle][_Value2], " ");
  102.     strcat(__QueryData[handle][_Value2], datatype);
  103.     strcat(__QueryData[handle][_Value2], ",");
  104.     return true;
  105. }
  106.  
  107. stock DBResult:db_execute_create_table(handle, bool:use_result = false, bool:debug_query = false)
  108. {
  109.     if(!IsValidDbHandle(handle) || !strlen(__QueryData[handle][_Value1]) || !strlen(__QueryData[handle][_Value2]))
  110.     {
  111.         ClearCashHandle(handle);
  112.         return DBResult:0;
  113.     }
  114.    
  115.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Value1]);
  116.     strcat(__QueryData[handle][_Query], " (");
  117.     strdel(__QueryData[handle][_Value2], strlen(__QueryData[handle][_Value2]) - 1, strlen(__QueryData[handle][_Value2]));
  118.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Value2]);
  119.     strcat(__QueryData[handle][_Query], ");");
  120.    
  121.     new DBResult:result = db_query(__dbHandle[handle], __QueryData[handle][_Query], use_result);
  122.     if(!use_result)
  123.         db_free_result(result);
  124.    
  125.     if(debug_query)
  126.         printf(__QueryData[handle][_Query]);
  127.    
  128.     ClearCashHandle(handle);
  129.     return result;
  130. }
  131.  
  132. // --- TABLE DEFINE ---
  133.  
  134. stock db_set_table(handle, const table[], bool:use_backticks = true)
  135. {
  136.     if(!IsValidDbHandle(handle) || !strlen(table))
  137.     {
  138.         ClearCashHandle(handle);
  139.         return false;
  140.     }
  141.    
  142.     __QueryData[handle][_Table][0] = '\0';
  143.     if(use_backticks)
  144.         strcat(__QueryData[handle][_Table], "`");
  145.     strcat(__QueryData[handle][_Table], table);
  146.     if(use_backticks)
  147.         strcat(__QueryData[handle][_Table], "`");
  148.     return true;
  149. }
  150.  
  151. // --- WHERE CLAUSE ---
  152.  
  153. #pragma unused __temp@WhereClause
  154.  
  155. new __temp@WhereClause[MAX_WHERE_STRING];
  156. #define db_set_where_clause_ex(%0,%1,%2)\
  157.     format(__temp@WhereClause, sizeof __temp@WhereClause, %1, %2),\
  158.     db_set_where_clause(%0, __temp@WhereClause)
  159.  
  160. stock db_set_where_clause(handle, const where[])
  161. {
  162.     if(__dbHandle[handle] == DB:INVALID_DB_HANDLE || !strlen(where))
  163.     {
  164.         ClearCashHandle(handle);
  165.         return false;
  166.     }
  167.    
  168.     strcat(__QueryData[handle][_Where], where);
  169.     return true;
  170. }
  171.  
  172. // --- DELETE COMMAND ---
  173.  
  174. stock DBResult:db_execute_delete(handle, bool:use_result = false, bool:debug_query = false)
  175. {
  176.     if(!IsValidDbHandle(handle) || !strlen(__QueryData[handle][_Table]))
  177.     {
  178.         ClearCashHandle(handle);
  179.         return DBResult:0;
  180.     }
  181.    
  182.     strcat(__QueryData[handle][_Query], "DELETE FROM ");
  183.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Table]);
  184.     if(__QueryData[handle][_Where][0] != '\0')
  185.     {
  186.         strcat(__QueryData[handle][_Query], " WHERE ");
  187.         strcat(__QueryData[handle][_Query], __QueryData[handle][_Where]);
  188.     }
  189.     strcat(__QueryData[handle][_Query], ";");
  190.    
  191.     new DBResult:result = db_query(__dbHandle[handle], __QueryData[handle][_Query], use_result);
  192.    
  193.     if(debug_query)
  194.         printf(__QueryData[handle][_Query]);
  195.    
  196.     if(!use_result)
  197.         db_free_result(result);
  198.     ClearCashHandle(handle);
  199.     return result;
  200. }
  201.  
  202. // --- SELECT COMMAND ---
  203.  
  204. stock db_add_select(handle, const column[], const as[] = "", bool:use_backticks = true)
  205. {
  206.     if(!IsValidDbHandle(handle) || !strlen(column))
  207.     {
  208.         ClearCashHandle(handle);
  209.         return false;
  210.     }
  211.    
  212.     if(use_backticks)
  213.         strcat(__QueryData[handle][_Value1], "`");
  214.     strcat(__QueryData[handle][_Value1], column);
  215.     if(use_backticks)
  216.         strcat(__QueryData[handle][_Value1], "`");
  217.    
  218.     if(as[0] != '\0')
  219.     {
  220.         strcat(__QueryData[handle][_Value1], " AS ");
  221.         strcat(__QueryData[handle][_Value1], "`");
  222.         strcat(__QueryData[handle][_Value1], as);
  223.         strcat(__QueryData[handle][_Value1], "`");
  224.     }
  225.     strcat(__QueryData[handle][_Value1], ",");
  226.     return true;
  227. }
  228.  
  229. stock DBResult:db_execute_select(handle, bool:use_result = false, bool:debug_query = false)
  230. {
  231.     if(!IsValidDbHandle(handle) || !strlen(__QueryData[handle][_Value1]) || !strlen(__QueryData[handle][_Table]))
  232.     {
  233.         ClearCashHandle(handle);
  234.         return DBResult:0;
  235.     }
  236.    
  237.     strdel(__QueryData[handle][_Value1], strlen(__QueryData[handle][_Value1]) - 1, strlen(__QueryData[handle][_Value1]));
  238.    
  239.     strcat(__QueryData[handle][_Query], "SELECT ");
  240.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Value1]);
  241.     strcat(__QueryData[handle][_Query], " FROM ");
  242.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Table]);
  243.     if(__QueryData[handle][_Where][0] != '\0')
  244.     {
  245.         strcat(__QueryData[handle][_Query], " WHERE ");
  246.         strcat(__QueryData[handle][_Query], __QueryData[handle][_Where]);
  247.     }
  248.     strcat(__QueryData[handle][_Query], ";");
  249.    
  250.     new DBResult:result = db_query(__dbHandle[handle], __QueryData[handle][_Query], use_result);
  251.     if(!use_result)
  252.         db_free_result(result);
  253.    
  254.     if(debug_query)
  255.         printf(__QueryData[handle][_Query]);
  256.    
  257.     ClearCashHandle(handle);
  258.     return result;
  259. }
  260.  
  261. // --- UPDATE COMMAND ---
  262.  
  263. stock db_update_string(handle, const column[], const value[], bool:use_backticks = true)
  264. {
  265.     if(!IsValidDbHandle(handle) || !strlen(column))
  266.     {
  267.         ClearCashHandle(handle);
  268.         return false;
  269.     }
  270.    
  271.     if(use_backticks)
  272.         strcat(__QueryData[handle][_Value1], "`");
  273.     strcat(__QueryData[handle][_Value1], column);
  274.     if(use_backticks)
  275.         strcat(__QueryData[handle][_Value1], "`");
  276.     strcat(__QueryData[handle][_Value1], "=");
  277.     strcat(__QueryData[handle][_Value1], "'");
  278.     strcat(__QueryData[handle][_Value1], value);
  279.     strcat(__QueryData[handle][_Value1], "'");
  280.     strcat(__QueryData[handle][_Value1], ",");
  281.     return true;
  282. }
  283.  
  284. stock db_update_int(handle, const column[], value, bool:use_backticks = true)
  285. {
  286.     if(!IsValidDbHandle(handle) || !strlen(column))
  287.     {
  288.         ClearCashHandle(handle);
  289.         return false;
  290.     }
  291.    
  292.     new valueStr[MAX_COLUMN_VALUE_INT];
  293.     valstr(valueStr, value);
  294.    
  295.     if(use_backticks)
  296.         strcat(__QueryData[handle][_Value1], "`");
  297.     strcat(__QueryData[handle][_Value1], column);
  298.     if(use_backticks)
  299.         strcat(__QueryData[handle][_Value1], "`");
  300.     strcat(__QueryData[handle][_Value1], "=");
  301.     strcat(__QueryData[handle][_Value1], valueStr);
  302.     strcat(__QueryData[handle][_Value1], ",");
  303.     return true;
  304. }
  305.  
  306. stock db_update_float(handle, const column[], Float:value, bool:use_backticks = true)
  307. {
  308.     if(!IsValidDbHandle(handle) || !strlen(column))
  309.     {
  310.         ClearCashHandle(handle);
  311.         return false;
  312.     }
  313.    
  314.     new valueStr[MAX_COLUMN_VALUE_FLOAT];
  315.     format(valueStr, sizeof valueStr, "%f", value);
  316.    
  317.     if(use_backticks)
  318.         strcat(__QueryData[handle][_Value1], "`");
  319.     strcat(__QueryData[handle][_Value1], column);
  320.     if(use_backticks)
  321.         strcat(__QueryData[handle][_Value1], "`");
  322.     strcat(__QueryData[handle][_Value1], "=");
  323.     strcat(__QueryData[handle][_Value1], valueStr);
  324.     strcat(__QueryData[handle][_Value1], ",");
  325.     return true;
  326. }
  327.  
  328. stock DBResult:db_execute_update(handle, bool:use_result = false, bool:debug_query = false)
  329. {
  330.     if(!IsValidDbHandle(handle) || !strlen(__QueryData[handle][_Value1]) || !strlen(__QueryData[handle][_Table]))
  331.     {
  332.         ClearCashHandle(handle);
  333.         return DBResult:0;
  334.     }
  335.    
  336.     strdel(__QueryData[handle][_Value1], strlen(__QueryData[handle][_Value1]) - 1, strlen(__QueryData[handle][_Value1]));
  337.    
  338.     strcat(__QueryData[handle][_Query], "UPDATE ");
  339.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Table]);
  340.     strcat(__QueryData[handle][_Query], " SET ");
  341.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Value1]);
  342.     if(__QueryData[handle][_Where][0] != '\0')
  343.     {
  344.         strcat(__QueryData[handle][_Query], " WHERE ");
  345.         strcat(__QueryData[handle][_Query], __QueryData[handle][_Where]);
  346.     }
  347.     strcat(__QueryData[handle][_Query], ";");
  348.    
  349.     new DBResult:result = db_query(__dbHandle[handle], __QueryData[handle][_Query], use_result);
  350.     if(!use_result)
  351.         db_free_result(result);
  352.    
  353.     if(debug_query)
  354.         printf(__QueryData[handle][_Query]);
  355.    
  356.     ClearCashHandle(handle);
  357.     return result;
  358. }
  359.  
  360. // --- INSERT COMMAND ---
  361.  
  362. stock db_insert_string(handle, const column[], const value[], bool:use_backticks = true)
  363. {
  364.     if(!IsValidDbHandle(handle) || !strlen(column))
  365.     {
  366.         ClearCashHandle(handle);
  367.         return false;
  368.     }
  369.    
  370.     if(use_backticks)
  371.         strcat(__QueryData[handle][_Value1], "`");
  372.     strcat(__QueryData[handle][_Value1], column);
  373.     if(use_backticks)
  374.         strcat(__QueryData[handle][_Value1], "`");
  375.     strcat(__QueryData[handle][_Value1], ",");
  376.     strcat(__QueryData[handle][_Value2], "'");
  377.     strcat(__QueryData[handle][_Value2], value);
  378.     strcat(__QueryData[handle][_Value2], "'");
  379.     strcat(__QueryData[handle][_Value2], ",");
  380.     return true;
  381. }
  382.  
  383. stock db_insert_int(handle, const column[], value, bool:use_backticks = true)
  384. {
  385.     if(!IsValidDbHandle(handle) || !strlen(column))
  386.     {
  387.         ClearCashHandle(handle);
  388.         return false;
  389.     }
  390.    
  391.     new valueStr[MAX_COLUMN_VALUE_INT];
  392.     valstr(valueStr, value);
  393.    
  394.     if(use_backticks)
  395.         strcat(__QueryData[handle][_Value1], "`");
  396.     strcat(__QueryData[handle][_Value1], column);
  397.     if(use_backticks)
  398.         strcat(__QueryData[handle][_Value1], "`");
  399.     strcat(__QueryData[handle][_Value1], ",");
  400.     strcat(__QueryData[handle][_Value2], valueStr);
  401.     strcat(__QueryData[handle][_Value2], ",");
  402.     return true;
  403. }
  404.  
  405. stock db_insert_float(handle, const column[], Float:value, bool:use_backticks = true)
  406. {
  407.     if(!IsValidDbHandle(handle) || !strlen(column))
  408.     {
  409.         ClearCashHandle(handle);
  410.         return false;
  411.     }
  412.    
  413.     new valueStr[MAX_COLUMN_VALUE_FLOAT];
  414.     format(valueStr, sizeof valueStr, "%f", value);
  415.    
  416.     if(use_backticks)
  417.         strcat(__QueryData[handle][_Value1], "`");
  418.     strcat(__QueryData[handle][_Value1], column);
  419.     if(use_backticks)
  420.         strcat(__QueryData[handle][_Value1], "`");
  421.     strcat(__QueryData[handle][_Value1], ",");
  422.     strcat(__QueryData[handle][_Value2], valueStr);
  423.     strcat(__QueryData[handle][_Value2], ",");
  424.     return true;
  425. }
  426.  
  427. stock DBResult:db_execute_insert(handle, bool:use_result = false, bool:debug_query = false)
  428. {
  429.     if(!IsValidDbHandle(handle) || !strlen(__QueryData[handle][_Value1]) || !strlen(__QueryData[handle][_Value2]) || !strlen(__QueryData[handle][_Table]))
  430.     {
  431.         ClearCashHandle(handle);
  432.         return DBResult:0;
  433.     }
  434.    
  435.     strdel(__QueryData[handle][_Value1], strlen(__QueryData[handle][_Value1]) - 1, strlen(__QueryData[handle][_Value1]));
  436.     strdel(__QueryData[handle][_Value2], strlen(__QueryData[handle][_Value2]) - 1, strlen(__QueryData[handle][_Value2]));
  437.    
  438.     strcat(__QueryData[handle][_Query], "INSERT INTO ");
  439.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Table]);
  440.     strcat(__QueryData[handle][_Query], " (");
  441.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Value1]);
  442.     strcat(__QueryData[handle][_Query], ") ");
  443.     strcat(__QueryData[handle][_Query], "VALUES");
  444.     strcat(__QueryData[handle][_Query], " (");
  445.     strcat(__QueryData[handle][_Query], __QueryData[handle][_Value2]);
  446.     strcat(__QueryData[handle][_Query], ");");
  447.    
  448.     new DBResult:result = db_query(__dbHandle[handle], __QueryData[handle][_Query], use_result);
  449.     if(!use_result)
  450.         db_free_result(result);
  451.    
  452.     if(debug_query)
  453.         printf(__QueryData[handle][_Query]);
  454.    
  455.     ClearCashHandle(handle);
  456.     return result;
  457. }
  458.  
  459. stock IsValidDbHandle(handle)
  460. {
  461.     if(handle < 0 || handle >= MAX_DB_HANDLE)
  462.         return false;
  463.    
  464.     if(__dbHandle[handle] == DB:INVALID_DB_HANDLE)
  465.         return false;
  466.     return true;
  467. }
  468.  
  469. // --- INTERNAL ---
  470.  
  471. static stock ClearCashHandle(handle)
  472. {
  473.     if(!IsValidDbHandle(handle))
  474.         return false;
  475.    
  476.     __QueryData[handle][_Table][0] = '\0';
  477.     __QueryData[handle][_Value1][0] = '\0';
  478.     __QueryData[handle][_Value2][0] = '\0';
  479.     __QueryData[handle][_Query][0] = '\0';
  480.     __QueryData[handle][_Where][0] = '\0';
  481.     __QueryData[handle][_Elapsed] = 0;
  482.     __dbHandle[handle] = DB:INVALID_DB_HANDLE;
  483.     return true;
  484. }
  485.  
  486. static stock GetFreeDbHandleSlot()
  487. {
  488.     for(new i = 0; i < MAX_DB_HANDLE; i ++)
  489.     {
  490.         if(__dbHandle[i] == DB:-1)
  491.             return i;
  492.     }
  493.     return INVALID_DB_HANDLE;
  494. }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!