From: Peter Rabbitson Date: Wed, 29 Apr 2009 23:53:08 +0000 (+0000) Subject: Tweak tester disclaimer X-Git-Tag: v1.70~163 X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=ec9af79ee98f3b1e692587c8e4f16084ecf8c265;p=dbsrgits%2FSQL-Abstract.git Tweak tester disclaimer --- diff --git a/lib/SQL/Abstract/Test.pm b/lib/SQL/Abstract/Test.pm index 8f41167..98277b9 100644 --- a/lib/SQL/Abstract/Test.pm +++ b/lib/SQL/Abstract/Test.pm @@ -424,7 +424,7 @@ SQL::Abstract::Test - Helper function for testing SQL::Abstract is_same_sql_bind is_same_sql is_same_bind eq_sql_bind eq_sql eq_bind /]; - + my ($sql, @bind) = SQL::Abstract->new->select(%args); is_same_sql_bind($given_sql, \@given_bind, @@ -451,10 +451,14 @@ ignoring differences in spaces or in levels of parentheses. Therefore the tests will pass as long as the semantics is preserved, even if the surface syntax has changed. -B : this is only a half-cooked semantic equivalence; -parsing is simple-minded, and comparison of SQL abstract syntax trees -ignores commutativity or associativity of AND/OR operators, Morgan -laws, etc. +B : the semantic equivalence handling is pretty limited. +A lot of effort goes into distinguishing significant from +non-significant parenthesis, including AND/OR operator associativity. +Currently this module does not support commutativity and more +intelligent transformations like Morgan laws, etc. + +For a good overview of what this test framework is capable of refer +to C =head1 FUNCTIONS