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[6827] Added an interface for defining custom SQLStorage loaders.

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This commit is contained in:
Wyk3d 2008-11-15 20:30:06 +02:00
parent b195eb87a9
commit 074bd3a08f
8 changed files with 294 additions and 136 deletions
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138
src/shared/Database/SQLStorage.cpp
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@ -17,9 +17,7 @@
*/
#include "SQLStorage.h"
#include "ProgressBar.h"
#include "Log.h"
#include "dbcfile.h"
#include "SQLStorageImpl.h"
#ifdef DO_POSTGRESQL
extern DatabasePostgre WorldDatabase;
@ -53,139 +51,27 @@ void SQLStorage::Free ()
{
uint32 offset=0;
for(uint32 x=0;x<iNumFields;x++)
if (format[x]==FT_STRING)
if (dst_format[x]==FT_STRING)
{
for(uint32 y=0;y<MaxEntry;y++)
if(pIndex[y])
delete [] *(char**)((char*)(pIndex[y])+offset);
offset+=sizeof(char*);
offset += sizeof(char*);
}
else if (format[x]==FT_LOGIC)
offset+=sizeof(bool);
else if (format[x]==FT_BYTE)
offset+=sizeof(char);
else if (dst_format[x]==FT_LOGIC)
offset += sizeof(bool);
else if (dst_format[x]==FT_BYTE)
offset += sizeof(char);
else
offset+=4;
offset += 4;
delete [] pIndex;
delete [] data;
}
void SQLStorage::Load ()
void SQLStorage::Load()
{
uint32 maxi;
Field *fields;
QueryResult *result = WorldDatabase.PQuery("SELECT MAX(%s) FROM %s",entry_field,table);
if(!result)
{
sLog.outError("Error loading %s table (not exist?)\n",table);
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",table);
if(result)
{
fields = result->Fetch();
RecordCount=fields[0].GetUInt32();
delete result;
}
else
RecordCount = 0;
result = WorldDatabase.PQuery("SELECT * FROM %s",table);
if(!result)
{
sLog.outError("%s table is empty!\n",table);
RecordCount = 0;
return;
}
uint32 recordsize=0;
uint32 offset=0;
if(iNumFields!=result->GetFieldCount())
{
RecordCount = 0;
sLog.outError("Error in %s table, probably sql file format was updated (there should be %d fields in sql).\n",table,iNumFields);
delete result;
exit(1); // Stop server at loading broken or non-compatible table.
}
//get struct size
uint32 sc=0;
uint32 bo=0;
uint32 bb=0;
for(uint32 x=0;x<iNumFields;x++)
if(format[x]==FT_STRING)
++sc;
else if (format[x]==FT_LOGIC)
++bo;
else if (format[x]==FT_BYTE)
++bb;
recordsize=(iNumFields-sc-bo-bb)*4+sc*sizeof(char*)+bo*sizeof(bool)+bb*sizeof(char);
char** newIndex=new char*[maxi];
memset(newIndex,0,maxi*sizeof(char*));
char * _data= new char[RecordCount *recordsize];
uint32 count=0;
barGoLink bar( RecordCount );
do
{
fields = result->Fetch();
bar.step();
char *p=(char*)&_data[recordsize*count];
newIndex[fields[0].GetUInt32()]=p;
offset=0;
for(uint32 x=0;x<iNumFields;x++)
switch(format[x])
{
case FT_LOGIC:
*((bool*)(&p[offset]))=(fields[x].GetUInt32()>0);
offset+=sizeof(bool);
break;
case FT_BYTE:
*((char*)(&p[offset]))=(fields[x].GetUInt8());
offset+=sizeof(char);
break;
case FT_INT:
*((uint32*)(&p[offset]))=fields[x].GetUInt32();
offset+=sizeof(uint32);
break;
case FT_FLOAT:
*((float*)(&p[offset]))=fields[x].GetFloat();
offset+=sizeof(float);
break;
case FT_STRING:
char const* tmp = fields[x].GetString();
char* st;
if(!tmp)
{
st=new char[1];
*st=0;
}
else
{
uint32 l=strlen(tmp)+1;
st=new char[l];
memcpy(st,tmp,l);
}
*((char**)(&p[offset]))=st;
offset+=sizeof(char*);
break;
}
++count;
}while( result->NextRow() );
delete result;
pIndex =newIndex;
MaxEntry=maxi;
data=_data;
}
SQLStorageLoader loader;
loader.Load(*this);
}