Nick Barnes questions

Nick Barnes answers

• Slow PostgreSQL query with (incorrect?) indexes
• How to output "explain analyze" result to a table column?
• Comparing with a value which can be NULL
• Postgresql function doesn't return anything when UUID argument is used in WHERE clause
• Why do multiple connections from the same sqlalchemy engine produce different info?
• PostgreSQL 9.6 stored procedure performance improvement
• Psycopg copy_expert method - How to use properly
• Revert value from pg_size_pretty, convert to bigint
• Postgresql levenshtein and precomposed character vs. combined character
• invalid reference to FROM-clause entry for table "d"