本文整理汇总了C++中IResultRow::GetFloat方法的典型用法代码示例。如果您正苦于以下问题：C++ IResultRow::GetFloat方法的具体用法？C++ IResultRow::GetFloat怎么用？C++ IResultRow::GetFloat使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IResultRow的用法示例。
在下文中一共展示了IResultRow::GetFloat方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: sizeof
static cell AMX_NATIVE_CALL SQL_ReadResult(AMX *amx, cell *params)
{
AmxQueryInfo *qInfo = (AmxQueryInfo *)GetHandle(params[1], Handle_Query);
if (!qInfo)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid query handle: %d", params[1]);
return 0;
}
IResultSet *rs = qInfo->info.rs;
if (!rs || rs->IsDone())
{
MF_LogError(amx, AMX_ERR_NATIVE, "No result set in this query!");
return 0;
}
IResultRow *row = rs->GetRow();
unsigned int col = static_cast<unsigned int>(params[2]);
if (col >= rs->FieldCount())
{
MF_LogError(amx, AMX_ERR_NATIVE, "Invalid column: %d", col);
return 0;
}
cell numparams = params[0] / sizeof(cell);
switch (numparams)
{
case 4:
{
const char *str = row->GetString(col);
if (!str)
str = "";
cell *len = MF_GetAmxAddr(amx, params[4]);
MF_SetAmxString(amx, params[3], str, (int)*len);
break;
}
case 3:
{
REAL num = row->GetFloat(col);
cell *addr = MF_GetAmxAddr(amx, params[3]);
*addr = amx_ftoc(num);
break;
}
case 2:
{
int num = row->GetInt(col);
return num;
break;
}
default:
{
MF_LogError(amx, AMX_ERR_NATIVE, "Bad number of arguments passed.");
break;
}
}
return 1;
}示例2: SQL_FetchFloat
static cell_t SQL_FetchFloat(IPluginContext *pContext, const cell_t *params)
{
IQuery *query;
HandleError err;
if ((err = ReadQueryHndl(params[1], pContext, &query)) != HandleError_None)
{
return pContext->ThrowNativeError("Invalid query Handle %x (error: %d)", params[1], err);
}
IResultSet *rs = query->GetResultSet();
if (!rs)
{
return pContext->ThrowNativeError("No current result set");
}
IResultRow *row = rs->CurrentRow();
if (!row)
{
return pContext->ThrowNativeError("Current result set has no fetched rows");
}
float f;
DBResult res = row->GetFloat(params[2], &f);
if (res == DBVal_Error)
{
return pContext->ThrowNativeError("Error fetching data from field %d", params[2]);
} else if (res == DBVal_TypeMismatch) {
return pContext->ThrowNativeError("Could not fetch data in field %d as a float", params[2]);
}
cell_t *addr;
pContext->LocalToPhysAddr(params[3], &addr);
*addr = (cell_t)res;
return sp_ftoc(f);
}