Re: index question

Поиск
Список
Период
Сортировка
От Melvin Davidson
Тема Re: index question
Дата
Msg-id CANu8Fiw+c6AzOZjuCSWLr8S9kQ2prEP4ucMicmdrjaG4QD2owQ@mail.gmail.com
обсуждение исходный текст
Ответ на Re: index question  ("David G. Johnston" <david.g.johnston@gmail.com>)
Ответы Re: index question  ("drum.lucas@gmail.com" <drum.lucas@gmail.com>)
Список pgsql-general


On Sun, May 1, 2016 at 6:31 PM, David G. Johnston <david.g.johnston@gmail.com> wrote:
On Sunday, May 1, 2016, Melvin Davidson <melvin6925@gmail.com> wrote:

Your index is based on split_part function
but the WHERE clause is specific to full_path, so the planner cannot find a valid index




David J.

>This sentence is even less useful than the questions that you asked...
Your comments are antagonistic at best, but perhaps you should take a course in english.

To clarify, the index is based on a function called "split_part(....)
The WHERE clause is only referencing the full_part column, so the planner cannot associate the index with the full_part column.


--
Melvin Davidson
I reserve the right to fantasize.  Whether or not you
wish to share my fantasy is entirely up to you.

В списке pgsql-general по дате отправления:

Предыдущее
От: "David G. Johnston"
Дата:
Сообщение: Re: index question
Следующее
От: "drum.lucas@gmail.com"
Дата:
Сообщение: Re: index question