Hello Daniel,

A comment about control flow and variables: in branches that are not taken, variables are expanded nonetheless, in a way that can be surprising. Case in point:

\set var 'ab''cd'
-- select :var;
\if false
 select :var ;
 select 1;

To avoid that kind of trouble, would it make sense not to expand
variables in untaken branches?

Hmmm. This case is somehow contrived (for a string, :'var' could be used, in which case escaping would avoid the hazard), but I think that what you suggest is a better behavior, if easy to implement.


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