Andrew Madden
907be50c42
MDL-65926 moodlelib: Convert username to lowercase prior to SQL query ...
Within a very large project, it was found that searching for a user with their username in the user table using a case insensitive
search was inefficient. Instead it is proposed that the username input is made to be lowercase prior to executing a database query
as the username for each user in the database must be lowercase. This allows for a case sensitive query to find the user data.
Essentially we are moving a case insensitive search for a user from SQL into PHP to increase performance.
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907be50c42