September 2010
Intermediate to advanced
440 pages
9h 23m
English
Content preview from MySQL for PythonBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The two main errors in MySQLdb
Python generally supports several kinds of errors, and MySQL for Python is no different. The obvious difference between the two is that MySQLdb's errors deal exclusively with the database connection. Where MySQLdb passes warnings that are not MySQL-specific, all exceptions are related to MySQL.
The MySQL-specific exceptions are then classified as either warnings or errors. There is only one kind of warning, but MySQLdb allows two categories of errors—DatabaseError and InterfaceError. Of the former, there are six types that we will discuss here.
DatabaseError
When there is a problem with the MySQL database itself, a DatabaseError is thrown. This is an intermediate catch-all category of exceptions that deal with everything ...
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