ClickHouse/dbms/src/DataStreams/SizeLimits.cpp
2019-10-21 18:33:44 +03:00

43 lines
1.3 KiB
C++

#include <DataStreams/SizeLimits.h>
#include <Common/formatReadable.h>
#include <Common/Exception.h>
#include <string>
namespace DB
{
bool SizeLimits::check(UInt64 rows, UInt64 bytes, const char * what, int too_many_rows_exception_code, int too_many_bytes_exception_code) const
{
if (overflow_mode == OverflowMode::THROW)
{
if (max_rows && rows > max_rows)
throw Exception("Limit for " + std::string(what) + " exceeded, max rows: " + formatReadableQuantity(max_rows)
+ ", current rows: " + formatReadableQuantity(rows), too_many_rows_exception_code);
if (max_bytes && bytes > max_bytes)
throw Exception("Limit for " + std::string(what) + " exceeded, max bytes: " + formatReadableSizeWithBinarySuffix(max_bytes)
+ ", current bytes: " + formatReadableSizeWithBinarySuffix(bytes), too_many_bytes_exception_code);
return true;
}
return softCheck(rows, bytes);
}
bool SizeLimits::softCheck(UInt64 rows, UInt64 bytes) const
{
if (max_rows && rows > max_rows)
return false;
if (max_bytes && bytes > max_bytes)
return false;
return true;
}
bool SizeLimits::check(UInt64 rows, UInt64 bytes, const char * what, int exception_code) const
{
return check(rows, bytes, what, exception_code, exception_code);
}
}