amxmodx/dlls/sqlite/sqlitepp/SqliteQuery.cpp

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2006-06-03 23:52:21 +04:00
#include <stdio.h>
#include <string.h>
#include "SqliteQuery.h"
#include "SqliteDatabase.h"
#include "SqliteResultSet.h"
#if defined WIN32
#define snprintf _snprintf
#endif
using namespace SourceMod;
SqliteQuery::SqliteQuery(SqliteDatabase *db, const char *query) :
m_pDatabase(db), m_LastRes(NULL)
{
m_QueryString = new char[strlen(query)+1];
strcpy(m_QueryString, query);
}
SqliteQuery::~SqliteQuery()
{
if (m_LastRes)
{
m_LastRes->FreeHandle();
m_LastRes = NULL;
}
delete [] m_QueryString;
}
void SqliteQuery::FreeHandle()
{
delete this;
}
bool SqliteQuery::Execute(QueryInfo *info, char *error, size_t maxlength)
{
bool res = ExecuteR(info, error, maxlength);
if (m_LastRes)
{
m_LastRes->FreeHandle();
}
m_LastRes = (SqliteResultSet *)info->rs;
return res;
}
bool SqliteQuery::ExecuteR(QueryInfo *info, char *error, size_t maxlength)
{
int err;
char *errmsg;
char **results;
int rows, cols;
err = sqlite3_get_table(m_pDatabase->m_pSql, m_QueryString, &results, &rows, &cols, &errmsg);
if (err != SQLITE_OK)
{
if (error && maxlength && errmsg)
{
snprintf(error, maxlength, "%s", errmsg);
}
info->affected_rows = 0;
info->errorcode = err;
info->rs = NULL;
info->success = false;
} else {
info->affected_rows = sqlite3_changes(m_pDatabase->m_pSql);
info->errorcode = 0;
info->success = true;
if (cols)
{
SqliteResults data;
data.cols = cols;
data.rows = rows;
data.results = results;
SqliteResultSet *pRes = new SqliteResultSet(data);
info->rs = static_cast<IResultSet *>(pRes);
} else {
info->rs = NULL;
if (results)
{
sqlite3_free_table(results);
}
}
}
return info->success;
}