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Add a comment warning that parameters not passed in during subsequent

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executions of a statement will retain their original values as requested by
Harald Armin Massa.
This commit is contained in:
Anthony Tuininga 2008-10-08 18:35:26 +00:00
parent ad280fecc5
commit bb3bd2e6f1
1 changed files with 3 additions and 1 deletions
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doc/cursor.rst
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@ -115,7 +115,9 @@ Cursor Object
same string object is passed in again, the cursor will execute that same string object is passed in again, the cursor will execute that
statement again without performing a prepare or rebinding and redefining. statement again without performing a prepare or rebinding and redefining.
This is most effective for algorithms where the same statement is used, but This is most effective for algorithms where the same statement is used, but
different parameters are bound to it (many times). different parameters are bound to it (many times). Note that parameters that
are not passed in during subsequent executions will retain the value passed
in during the last execution that contained them.
For maximum efficiency when reusing an statement, it is best to use the For maximum efficiency when reusing an statement, it is best to use the
setinputsizes() method to specify the parameter types and sizes ahead of setinputsizes() method to specify the parameter types and sizes ahead of