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LoadLists converted to QueryDatabase

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This commit is contained in:
Arthur Ice 2014-10-08 14:11:35 -07:00
parent 1a4b794ce4
commit 0d8cbca016
1 changed files with 67 additions and 82 deletions
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149
zone/tasks.cpp
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@ -3125,98 +3125,83 @@ TaskGoalListManager::~TaskGoalListManager() {
bool TaskGoalListManager::LoadLists() {
const char *CountQuery = "SELECT `listid`, COUNT(`entry`) FROM `goallists` GROUP by `listid` "
"ORDER BY `listid`";
const char *ListQuery = "SELECT `entry` from `goallists` WHERE `listid`=%i "
"ORDER BY `entry` ASC LIMIT %i";
const char *ERR_MYSQLERROR = "Error in TaskGoalListManager::LoadLists: %s %s";
char errbuf[MYSQL_ERRMSG_SIZE];
char* query = 0;
MYSQL_RES *result;
MYSQL_ROW row;
_log(TASKS__GLOBALLOAD, "TaskGoalListManager::LoadLists Called");
for(int i=0; i< NumberOfLists; i++) {
for(int i=0; i< NumberOfLists; i++)
safe_delete_array(TaskGoalLists[i].GoalItemEntries);
}
safe_delete_array(TaskGoalLists);
const char *ERR_MYSQLERROR = "Error in TaskGoalListManager::LoadLists: %s %s";
NumberOfLists = 0;
if(database.RunQuery(query,MakeAnyLenString(&query,CountQuery),errbuf,&result)) {
NumberOfLists = mysql_num_rows(result);
_log(TASKS__GLOBALLOAD, "Database returned a count of %i lists", NumberOfLists);
TaskGoalLists = new TaskGoalList_Struct[NumberOfLists];
int ListIndex = 0;
while((row = mysql_fetch_row(result))) {
int ListID = atoi(row[0]);
int ListSize = atoi(row[1]);
TaskGoalLists[ListIndex].ListID = ListID;
TaskGoalLists[ListIndex].Size = ListSize;
TaskGoalLists[ListIndex].Min = 0;
TaskGoalLists[ListIndex].Max = 0;
TaskGoalLists[ListIndex].GoalItemEntries = new int[ListSize];
ListIndex++;
}
mysql_free_result(result);
safe_delete_array(query);
}
else {
LogFile->write(EQEMuLog::Error, ERR_MYSQLERROR, query, errbuf);
safe_delete_array(query);
std::string query = "SELECT `listid`, COUNT(`entry`) "
"FROM `goallists` GROUP by `listid` "
"ORDER BY `listid`";
auto results = database.QueryDatabase(query);
if (!results.Success()) {
LogFile->write(EQEMuLog::Error, ERR_MYSQLERROR, query.c_str(), results.ErrorMessage().c_str());
return false;
}
NumberOfLists = results.RowCount();
_log(TASKS__GLOBALLOAD, "Database returned a count of %i lists", NumberOfLists);
TaskGoalLists = new TaskGoalList_Struct[NumberOfLists];
int listIndex = 0;
for(auto row = results.begin(); row != results.end(); ++row) {
int listID = atoi(row[0]);
int listSize = atoi(row[1]);
TaskGoalLists[listIndex].ListID = listID;
TaskGoalLists[listIndex].Size = listSize;
TaskGoalLists[listIndex].Min = 0;
TaskGoalLists[listIndex].Max = 0;
TaskGoalLists[listIndex].GoalItemEntries = new int[listSize];
listIndex++;
}
for(int listIndex = 0; listIndex < NumberOfLists; listIndex++) {
int listID = TaskGoalLists[listIndex].ListID;
unsigned int size = TaskGoalLists[listIndex].Size;
query = StringFormat("SELECT `entry` from `goallists` "
"WHERE `listid` = %i "
"ORDER BY `entry` ASC LIMIT %i",
listID, size);
results = database.QueryDatabase(query);
if (!results.Success()) {
LogFile->write(EQEMuLog::Error, ERR_MYSQLERROR, query.c_str(), results.ErrorMessage().c_str());
TaskGoalLists[listIndex].Size = 0;
continue;
}
// This should only happen if a row is deleted in between us retrieving the counts
// at the start of this method and getting to here. It should not be possible for
// an INSERT to cause a problem, as the SELECT is used with a LIMIT
if(results.RowCount() < size)
TaskGoalLists[listIndex].Size = results.RowCount();
int entryIndex = 0;
for (auto row = results.begin(); row != results.end(); ++row, ++entryIndex) {
int entry = atoi(row[0]);
if(entry < TaskGoalLists[listIndex].Min)
TaskGoalLists[listIndex].Min = entry;
if(entry > TaskGoalLists[listIndex].Max)
TaskGoalLists[listIndex].Max = entry;
TaskGoalLists[listIndex].GoalItemEntries[entryIndex] = entry;
}
}
for(int ListIndex = 0; ListIndex < NumberOfLists; ListIndex++) {
int ListID = TaskGoalLists[ListIndex].ListID;
unsigned int Size = TaskGoalLists[ListIndex].Size;
if(database.RunQuery(query,MakeAnyLenString(&query,ListQuery,ListID,Size),errbuf,&result)) {
// This should only happen if a row is deleted in between us retrieving the counts
// at the start of this method and getting to here. It should not be possible for
// an INSERT to cause a problem, as the SELECT is used with a LIMIT
if(mysql_num_rows(result) < Size)
TaskGoalLists[ListIndex].Size = mysql_num_rows(result);
int EntryIndex = 0;
while((row = mysql_fetch_row(result))) {
int Entry = atoi(row[0]);
if(Entry < TaskGoalLists[ListIndex].Min)
TaskGoalLists[ListIndex].Min = Entry;
if(Entry > TaskGoalLists[ListIndex].Max)
TaskGoalLists[ListIndex].Max = Entry;
TaskGoalLists[ListIndex].GoalItemEntries[EntryIndex++] = Entry;
}
mysql_free_result(result);
safe_delete_array(query);
}
else {
LogFile->write(EQEMuLog::Error, ERR_MYSQLERROR, query, errbuf);
TaskGoalLists[ListIndex].Size = 0;
safe_delete_array(query);
}
}
return true;
}