MySQL 8.4.3
Source Code Documentation
pfs_batch_mode.h
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1#ifndef PFS_BATCH_MODE_INCLUDED
2#define PFS_BATCH_MODE_INCLUDED
3
4/* Copyright (c) 2018, 2024, Oracle and/or its affiliates.
5
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26
28
29/// A RAII class to handle turning on batch mode in front of scanning a row
30/// iterator, and then turn it back off afterwards (on destruction).
31///
32/// Use this when scanning an iterator, e.g. using a for loop. See the comments
33/// on RowIterator::StartPSIBatchMode for more details.
35 public:
36 explicit PFSBatchMode(RowIterator *iterator) : m_iterator(iterator) {
38 }
39
41
42 private:
44};
45#endif /* PFS_BATCH_MODE_INCLUDED */
A RAII class to handle turning on batch mode in front of scanning a row iterator, and then turn it ba...
Definition: pfs_batch_mode.h:34
RowIterator * m_iterator
Definition: pfs_batch_mode.h:43
PFSBatchMode(RowIterator *iterator)
Definition: pfs_batch_mode.h:36
~PFSBatchMode()
Definition: pfs_batch_mode.h:40
A context for reading through a single table using a chosen access method: index read,...
Definition: row_iterator.h:82
virtual void StartPSIBatchMode()
Start performance schema batch mode, if supported (otherwise ignored).
Definition: row_iterator.h:206
virtual void EndPSIBatchModeIfStarted()
Ends performance schema batch mode, if started.
Definition: row_iterator.h:217