UnstructuredTrace Class Reference

Trace in the form of plain text (i.e. More...

#include <optimizer_trace.h>

Public Member Functions
	UnstructuredTrace (int64_t max_bytes)
std::ostream &	stream ()
	Get the stream in which to put the trace text. More...
TraceBuffer &	contents ()
const TraceBuffer &	contents () const

Private Attributes
TraceBuffer	m_buffer
	The trace text. More...
std::ostream	m_stream
	The stream that formats text and appends it to m_buffer. More...

Detailed Description

Trace in the form of plain text (i.e.

no JSON tree), as used by the Hypergraph optimizer.

Constructor & Destructor Documentation

UnstructuredTrace()

UnstructuredTrace::UnstructuredTrace ( int64_t  max_bytes )

inlineexplicit

Parameters

max_bytes

The maximal number of trace bytes, as given by the optimizer_trace_max_mem_size system variable.

Member Function Documentation

contents() [1/2]

TraceBuffer & UnstructuredTrace::contents ( )

inline

contents() [2/2]

const TraceBuffer & UnstructuredTrace::contents ( ) const

inline

stream()

std::ostream & UnstructuredTrace::stream ( )

inline

Get the stream in which to put the trace text.

Member Data Documentation

m_buffer

TraceBuffer UnstructuredTrace::m_buffer

private

The trace text.

m_stream

std::ostream UnstructuredTrace::m_stream

private

The stream that formats text and appends it to m_buffer.

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The documentation for this class was generated from the following file:

• sql/join_optimizer/optimizer_trace.h