Unexpected failure in PHP / Laravel Query












0















I have a query I am running using Laravel, which runs absolutely fine on my development host, however I get an error when I deploy it to my UAT host. I have simplified all examples to make it easier to work out what is going on.



The simplified code:



DB::select("SELECT c.* 
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC");


The error:




SQLSTATE[42S22]: Column not found: 1054 Unknown column 'c.xxx' in 'order clause' (SQL: SELECT c.*
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC)




When I run the following query in Workbench directly, it works absolutely fine:



SELECT c.* 
FROM (SELECT 0 AS xxx,
u.*
FROM users u) c
ORDER BY c.xxx DESC


So in short, it works on dev DB directly, works within dev code, works on UAT DB directly but fails on UAT application.



Any ideas why the database query could possibly behave differently to the query run via Laravel / php? Any idea why one machine would behave fine and there other display the above error?










share|improve this question


















  • 1





    DB::raw("SELECT c.* FROM (SELECT 0 AS xxx, u.* FROM users u) c ORDER BY c.xxx DESC"); try this ?

    – Anar Bayramov
    Nov 20 '18 at 10:09











  • Did you use migrations for the database?

    – Sander Visser
    Nov 20 '18 at 10:10











  • Did you tried setting xxx between SQL quotes ``, like : SELECT 0 AS `xxx`

    – csblo
    Nov 20 '18 at 10:10








  • 1





    why do you want to order by a fixed-value column?? All the rows will have the same value anyway.

    – ADyson
    Nov 20 '18 at 10:11













  • The above is for demo purposes. I have simplified the problem as much as I could, in the final code this will not be a fixed value.

    – Blueberry
    Nov 20 '18 at 10:14
















0















I have a query I am running using Laravel, which runs absolutely fine on my development host, however I get an error when I deploy it to my UAT host. I have simplified all examples to make it easier to work out what is going on.



The simplified code:



DB::select("SELECT c.* 
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC");


The error:




SQLSTATE[42S22]: Column not found: 1054 Unknown column 'c.xxx' in 'order clause' (SQL: SELECT c.*
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC)




When I run the following query in Workbench directly, it works absolutely fine:



SELECT c.* 
FROM (SELECT 0 AS xxx,
u.*
FROM users u) c
ORDER BY c.xxx DESC


So in short, it works on dev DB directly, works within dev code, works on UAT DB directly but fails on UAT application.



Any ideas why the database query could possibly behave differently to the query run via Laravel / php? Any idea why one machine would behave fine and there other display the above error?










share|improve this question


















  • 1





    DB::raw("SELECT c.* FROM (SELECT 0 AS xxx, u.* FROM users u) c ORDER BY c.xxx DESC"); try this ?

    – Anar Bayramov
    Nov 20 '18 at 10:09











  • Did you use migrations for the database?

    – Sander Visser
    Nov 20 '18 at 10:10











  • Did you tried setting xxx between SQL quotes ``, like : SELECT 0 AS `xxx`

    – csblo
    Nov 20 '18 at 10:10








  • 1





    why do you want to order by a fixed-value column?? All the rows will have the same value anyway.

    – ADyson
    Nov 20 '18 at 10:11













  • The above is for demo purposes. I have simplified the problem as much as I could, in the final code this will not be a fixed value.

    – Blueberry
    Nov 20 '18 at 10:14














0












0








0








I have a query I am running using Laravel, which runs absolutely fine on my development host, however I get an error when I deploy it to my UAT host. I have simplified all examples to make it easier to work out what is going on.



The simplified code:



DB::select("SELECT c.* 
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC");


The error:




SQLSTATE[42S22]: Column not found: 1054 Unknown column 'c.xxx' in 'order clause' (SQL: SELECT c.*
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC)




When I run the following query in Workbench directly, it works absolutely fine:



SELECT c.* 
FROM (SELECT 0 AS xxx,
u.*
FROM users u) c
ORDER BY c.xxx DESC


So in short, it works on dev DB directly, works within dev code, works on UAT DB directly but fails on UAT application.



Any ideas why the database query could possibly behave differently to the query run via Laravel / php? Any idea why one machine would behave fine and there other display the above error?










share|improve this question














I have a query I am running using Laravel, which runs absolutely fine on my development host, however I get an error when I deploy it to my UAT host. I have simplified all examples to make it easier to work out what is going on.



The simplified code:



DB::select("SELECT c.* 
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC");


The error:




SQLSTATE[42S22]: Column not found: 1054 Unknown column 'c.xxx' in 'order clause' (SQL: SELECT c.*
FROM (SELECT 0 AS xxx, u.* FROM users u) c
ORDER BY c.xxx DESC)




When I run the following query in Workbench directly, it works absolutely fine:



SELECT c.* 
FROM (SELECT 0 AS xxx,
u.*
FROM users u) c
ORDER BY c.xxx DESC


So in short, it works on dev DB directly, works within dev code, works on UAT DB directly but fails on UAT application.



Any ideas why the database query could possibly behave differently to the query run via Laravel / php? Any idea why one machine would behave fine and there other display the above error?







php mysql laravel






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 20 '18 at 10:07









BlueberryBlueberry

1,61621227




1,61621227








  • 1





    DB::raw("SELECT c.* FROM (SELECT 0 AS xxx, u.* FROM users u) c ORDER BY c.xxx DESC"); try this ?

    – Anar Bayramov
    Nov 20 '18 at 10:09











  • Did you use migrations for the database?

    – Sander Visser
    Nov 20 '18 at 10:10











  • Did you tried setting xxx between SQL quotes ``, like : SELECT 0 AS `xxx`

    – csblo
    Nov 20 '18 at 10:10








  • 1





    why do you want to order by a fixed-value column?? All the rows will have the same value anyway.

    – ADyson
    Nov 20 '18 at 10:11













  • The above is for demo purposes. I have simplified the problem as much as I could, in the final code this will not be a fixed value.

    – Blueberry
    Nov 20 '18 at 10:14














  • 1





    DB::raw("SELECT c.* FROM (SELECT 0 AS xxx, u.* FROM users u) c ORDER BY c.xxx DESC"); try this ?

    – Anar Bayramov
    Nov 20 '18 at 10:09











  • Did you use migrations for the database?

    – Sander Visser
    Nov 20 '18 at 10:10











  • Did you tried setting xxx between SQL quotes ``, like : SELECT 0 AS `xxx`

    – csblo
    Nov 20 '18 at 10:10








  • 1





    why do you want to order by a fixed-value column?? All the rows will have the same value anyway.

    – ADyson
    Nov 20 '18 at 10:11













  • The above is for demo purposes. I have simplified the problem as much as I could, in the final code this will not be a fixed value.

    – Blueberry
    Nov 20 '18 at 10:14








1




1





DB::raw("SELECT c.* FROM (SELECT 0 AS xxx, u.* FROM users u) c ORDER BY c.xxx DESC"); try this ?

– Anar Bayramov
Nov 20 '18 at 10:09





DB::raw("SELECT c.* FROM (SELECT 0 AS xxx, u.* FROM users u) c ORDER BY c.xxx DESC"); try this ?

– Anar Bayramov
Nov 20 '18 at 10:09













Did you use migrations for the database?

– Sander Visser
Nov 20 '18 at 10:10





Did you use migrations for the database?

– Sander Visser
Nov 20 '18 at 10:10













Did you tried setting xxx between SQL quotes ``, like : SELECT 0 AS `xxx`

– csblo
Nov 20 '18 at 10:10







Did you tried setting xxx between SQL quotes ``, like : SELECT 0 AS `xxx`

– csblo
Nov 20 '18 at 10:10






1




1





why do you want to order by a fixed-value column?? All the rows will have the same value anyway.

– ADyson
Nov 20 '18 at 10:11







why do you want to order by a fixed-value column?? All the rows will have the same value anyway.

– ADyson
Nov 20 '18 at 10:11















The above is for demo purposes. I have simplified the problem as much as I could, in the final code this will not be a fixed value.

– Blueberry
Nov 20 '18 at 10:14





The above is for demo purposes. I have simplified the problem as much as I could, in the final code this will not be a fixed value.

– Blueberry
Nov 20 '18 at 10:14












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