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server/src/shared/Database/SQLStorageImpl.h
Schmoozerd a27787851c [c12537] Update Authorship information 
(based on commit [12388] - 037f217)

Signed-off-by: Xfurry <xfurry@scriptdev2.com>
2020-02-16 21:27:46 +00:00

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/*
* This file is part of the CMaNGOS Project. See AUTHORS file for Copyright information
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SQLSTORAGE_IMPL_H
#define SQLSTORAGE_IMPL_H
#include "ProgressBar.h"
#include "Log.h"
#include "DBCFileLoader.h"
template<class T>
template<class S, class D>
void SQLStorageLoaderBase<T>::convert(uint32 /*field_pos*/, S src, D& dst)
{
dst = D(src);
}
template<class T>
void SQLStorageLoaderBase<T>::convert_str_to_str(uint32 /*field_pos*/, char const* src, char*& dst)
{
if (!src)
{
dst = new char[1];
*dst = 0;
}
else
{
uint32 l = strlen(src) + 1;
dst = new char[l];
memcpy(dst, src, l);
}
}
template<class T>
template<class S>
void SQLStorageLoaderBase<T>::convert_to_str(uint32 /*field_pos*/, S /*src*/, char*& dst)
{
dst = new char[1];
*dst = 0;
}
template<class T>
template<class D>
void SQLStorageLoaderBase<T>::convert_from_str(uint32 /*field_pos*/, char const* /*src*/, D& dst)
{
dst = 0;
}
template<class T>
template<class S, class D>
void SQLStorageLoaderBase<T>::default_fill(uint32 /*field_pos*/, S src, D& dst)
{
dst = D(src);
}
template<class T>
void SQLStorageLoaderBase<T>::default_fill_to_str(uint32 /*field_pos*/, char const* /*src*/, char*& dst)
{
dst = new char[1];
*dst = 0;
}
template<class T>
template<class V>
void SQLStorageLoaderBase<T>::storeValue(V value, SQLStorage& store, char* p, uint32 x, uint32& offset)
{
T* subclass = (static_cast<T*>(this));
switch (store.dst_format[x])
{
case FT_LOGIC:
subclass->convert(x, value, *((bool*)(&p[offset])));
offset += sizeof(bool);
break;
case FT_BYTE:
subclass->convert(x, value, *((char*)(&p[offset])));
offset += sizeof(char);
break;
case FT_INT:
subclass->convert(x, value, *((uint32*)(&p[offset])));
offset += sizeof(uint32);
break;
case FT_FLOAT:
subclass->convert(x, value, *((float*)(&p[offset])));
offset += sizeof(float);
break;
case FT_STRING:
subclass->convert_to_str(x, value, *((char**)(&p[offset])));
offset += sizeof(char*);
break;
case FT_NA:
subclass->default_fill(x, value, *((int32*)(&p[offset])));
offset += sizeof(uint32);
break;
case FT_NA_BYTE:
subclass->default_fill(x, value, *((char*)(&p[offset])));
offset += sizeof(char);
break;
case FT_NA_FLOAT:
subclass->default_fill(x, value, *((float*)(&p[offset])));
offset += sizeof(float);
break;
case FT_IND:
case FT_SORT:
assert(false && "SQL storage not have sort field types");
break;
default:
assert(false && "unknown format character");
break;
}
}
template<class T>
void SQLStorageLoaderBase<T>::storeValue(char const* value, SQLStorage& store, char* p, uint32 x, uint32& offset)
{
T* subclass = (static_cast<T*>(this));
switch (store.dst_format[x])
{
case FT_LOGIC:
subclass->convert_from_str(x, value, *((bool*)(&p[offset])));
offset += sizeof(bool);
break;
case FT_BYTE:
subclass->convert_from_str(x, value, *((char*)(&p[offset])));
offset += sizeof(char);
break;
case FT_INT:
subclass->convert_from_str(x, value, *((uint32*)(&p[offset])));
offset += sizeof(uint32);
break;
case FT_FLOAT:
subclass->convert_from_str(x, value, *((float*)(&p[offset])));
offset += sizeof(float);
break;
case FT_STRING:
subclass->convert_str_to_str(x, value, *((char**)(&p[offset])));
offset += sizeof(char*);
break;
case FT_NA_POINTER:
subclass->default_fill_to_str(x, value, *((char**)(&p[offset])));
offset += sizeof(char*);
break;
case FT_IND:
case FT_SORT:
assert(false && "SQL storage not have sort field types");
break;
default:
assert(false && "unknown format character");
break;
}
}
template<class T>
void SQLStorageLoaderBase<T>::Load(SQLStorage& store, bool error_at_empty /*= true*/)
{
uint32 maxi;
Field* fields;
QueryResult* result = WorldDatabase.PQuery("SELECT MAX(%s) FROM %s", store.entry_field, store.table);
if (!result)
{
sLog.outError("Error loading %s table (not exist?)\n", store.table);
Log::WaitBeforeContinueIfNeed();
exit(1); // Stop server at loading non exited table or not accessable table
}
maxi = (*result)[0].GetUInt32() + 1;
delete result;
result = WorldDatabase.PQuery("SELECT COUNT(*) FROM %s", store.table);
if (result)
{
fields = result->Fetch();
store.RecordCount = fields[0].GetUInt32();
delete result;
}
else
store.RecordCount = 0;
result = WorldDatabase.PQuery("SELECT * FROM %s", store.table);
if (!result)
{
if (error_at_empty)
sLog.outError("%s table is empty!\n", store.table);
else
sLog.outString("%s table is empty!\n", store.table);
store.RecordCount = 0;
return;
}
uint32 recordsize = 0;
uint32 offset = 0;
if (store.iNumFields != result->GetFieldCount())
{
store.RecordCount = 0;
sLog.outError("Error in %s table, probably sql file format was updated (there should be %d fields in sql).\n", store.table, store.iNumFields);
delete result;
Log::WaitBeforeContinueIfNeed();
exit(1); // Stop server at loading broken or non-compatible table.
}
// get struct size
for (uint32 x = 0; x < store.oNumFields; ++x)
{
switch (store.dst_format[x])
{
case FT_LOGIC:
recordsize += sizeof(bool); break;
case FT_BYTE:
recordsize += sizeof(char); break;
case FT_INT:
recordsize += sizeof(uint32); break;
case FT_FLOAT:
recordsize += sizeof(float); break;
case FT_STRING:
recordsize += sizeof(char*); break;
case FT_NA:
recordsize += sizeof(uint32); break;
case FT_NA_BYTE:
recordsize += sizeof(char); break;
case FT_NA_FLOAT:
recordsize += sizeof(float); break;
case FT_NA_POINTER:
recordsize += sizeof(char*); break;
case FT_IND:
case FT_SORT:
assert(false && "SQL storage not have sort field types");
break;
default:
assert(false && "unknown format character");
break;
}
}
char** newIndex = new char*[maxi];
memset(newIndex, 0, maxi * sizeof(char*));
char* _data = new char[store.RecordCount * recordsize];
uint32 count = 0;
BarGoLink bar(store.RecordCount);
do
{
fields = result->Fetch();
bar.step();
char* p = (char*)&_data[recordsize * count];
newIndex[fields[0].GetUInt32()] = p;
offset = 0;
// dependend on dest-size
// iterate two indexes: x over dest, y over source, y++ IFF x1=x/X
for (uint32 x = 0, y = 0; x < store.oNumFields; ++x)
{
switch (store.dst_format[x])
{
// For default fill continue and do not increase y
case FT_NA: storeValue((uint32)0, store, p, x, offset); continue;
case FT_NA_BYTE: storeValue((char)0, store, p, x, offset); continue;
case FT_NA_FLOAT: storeValue((float)0.0f, store, p, x, offset); continue;
case FT_NA_POINTER: storeValue((char const*)NULL, store, p, x, offset); continue;
}
// It is required that the input has at least as many columns set as the output requires
if (y >= store.iNumFields)
assert(false && "SQL storage has too few columns!");
switch (store.src_format[y])
{
case FT_LOGIC:
storeValue((bool)(fields[y].GetUInt32() > 0), store, p, x, offset); break;
case FT_BYTE:
storeValue((char)fields[y].GetUInt8(), store, p, x, offset); break;
case FT_INT:
storeValue((uint32)fields[y].GetUInt32(), store, p, x, offset); break;
case FT_FLOAT:
storeValue((float)fields[y].GetFloat(), store, p, x, offset); break;
case FT_STRING:
storeValue((char const*)fields[y].GetString(), store, p, x, offset); break;
case FT_NA:
case FT_NA_BYTE:
case FT_NA_FLOAT:
break;
case FT_IND:
case FT_SORT:
case FT_NA_POINTER:
assert(false && "SQL storage not have sort or pointer field types");
break;
default:
assert(false && "unknown format character");
}
++y;
}
++count;
}
while (result->NextRow());
delete result;
store.pIndex = newIndex;
store.MaxEntry = maxi;
store.data = _data;
}
#endif
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