Copy parameter data from byte buffer in COM_STMT_SEND_LONG_DATA#8562
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harshit-gangal merged 3 commits intovitessio:mainfrom Aug 2, 2021
Merged
Copy parameter data from byte buffer in COM_STMT_SEND_LONG_DATA#8562harshit-gangal merged 3 commits intovitessio:mainfrom
harshit-gangal merged 3 commits intovitessio:mainfrom
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frouioui
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Jul 29, 2021
harshit-gangal
approved these changes
Jul 29, 2021
Signed-off-by: Harshit Gangal <harshit@planetscale.com> Signed-off-by: Andres Taylor <andres@planetscale.com>
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Signed-off-by: Harshit Gangal <harshit@planetscale.com>
Signed-off-by: Harshit Gangal <harshit@planetscale.com>
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Description
Backport of #8294
During high load, if prepared statements are used, the parameter values could accidentally get overwritten with dirty data from other concurrent connections.
This PR fixes this by copying the data before releasing the buffer.
Checklist