rspec/rules/S2542/plsql/rule.adoc

== Why is this an issue?

``++SELECT++`` queries that return too many columns may be complex or difficult to maintain. 


This rule identifies queries that ``++SELECT++`` more than the specified number of columns.


=== Noncompliant code example

With a threshold of 6:

[source,sql]
----
BEGIN
  SELECT id, name, firstname, gender, height, weight, age -- Noncompliant
    INTO peopleArray
    FROM people
    WHERE age > 60;
END;
/
----

ifdef::env-github,rspecator-view[]

'''
== Implementation Specification
(visible only on this page)

=== Message

Refactor this query to select no more than n columns.


=== Parameters

.maxColumnsCount
****

----
10
----

Maximum number of columns allowed
****


endif::env-github,rspecator-view[]