abdullah/til
1
0
Fork 0
mirror of https://github.com/jbranchaud/til synced 2026-01-16 13:38:02 +00:00
Code Issues Projects Releases Wiki Activity

Add a little more discussion at the end.

Browse Source
This commit is contained in:
jbranchaud
2015-07-13 22:27:58 -05:00
parent b249fbfc0d
commit 9fcf2b1a8e
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
rails/select-value-for-sql-counts.md
View File

@@ -12,3 +12,7 @@ of _whatever_.
(0.6ms) select count(*) from posts where published_at is not null (0.6ms) select count(*) from posts where published_at is not null
=> 42 => 42
``` ```
Writing raw SQL for a simple query like this hardly seems like a win.
However when a count query starts to involve joins or other fanciness, I
find it much clearer to reason about the raw SQL.