MySQL Bugs: #77788: Document how Connector uses COM_STMT_SEND_LONG

Bug #77788	Document how Connector uses COM_STMT_SEND_LONG_DATA
Submitted:	21 Jul 2015 6:10	Modified:	19 Feb 2016 18:19
Reporter:	Andrii Nikitin	Email Updates:
Status:	Closed	Impact on me:	None
Category:	Connector / Python Documentation	Severity:	S3 (Non-critical)
Version:	2.0.4	OS:	Any
Assigned to:	Paul DuBois	CPU Architecture:	Any

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Description:
MySQL protocol has option to send prepared parameters via dedicated command COM_STMT_SEND_LONG_DATA

Connector/Python uses it when parameter is IOBase interface - please document it

How to repeat:
Following code shows COM_STMT_SEND_LONG_DATA in general log as "Long Data":

cur = cnx.cursor(prepared=True)
cur.execute("SELECT (%s)", (io.BytesIO(bytes("A", "latin1")), ))

Suggested fix:
na

Thank you for your bug report. This issue has been addressed in the documentation. The updated documentation will appear on our website shortly.

Added info to this section:

http://dev.mysql.com/doc/connector-python/en/connector-python-api-mysqlcursorprepared.html