Max Vikharev mvikharev

## A Postgres Receipts
A Postgres Receipts

## ABOUT
This code is a suggested answer to question asked on Stackoverflow:

http://stackoverflow.com/questions/4827965/can-i-change-djangos-auth-user-username-field-to-be-100-chars-long-without-break/

## middleware.py
from django.db import connection
from django.utils.log import getLogger

logger = getLogger(__name__)

class QueryCountDebugMiddleware(object):
    """
    This middleware will log the number of queries run
    and the total time taken for each request (with a
    status code of 200). It does not currently support

## query_planner.markdown

      
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                hgmnz
                / query_planner.markdown
            
            
              Created
              March 23, 2011 14:14
            
              
                PostgreSQL query plan and SQL performance notes
              
          
    Types of index scans

Indexes

Sequential Scan:


Read every row in the table
No reading of index. Reading from indexes is also expensive.
	This code is a suggested answer to question asked on Stackoverflow:

	http://stackoverflow.com/questions/4827965/can-i-change-djangos-auth-user-username-field-to-be-100-chars-long-without-break/
	from django.db import connection
	from django.utils.log import getLogger

	logger = getLogger(__name__)

	class QueryCountDebugMiddleware(object):
	"""
	This middleware will log the number of queries run
	and the total time taken for each request (with a
	status code of 200). It does not currently support