From: Matt S Trout Date: Mon, 30 Sep 2019 19:18:49 +0000 (+0000) Subject: doc in op expander X-Git-Tag: v1.90_01~61 X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=d1e8cbe612ea656be0c9f6e8c20075a0088b5e0e;p=dbsrgits%2FSQL-Abstract.git doc in op expander --- diff --git a/lib/SQL/Abstract/Reference.pm b/lib/SQL/Abstract/Reference.pm index ff020b3..e1ed68a 100644 --- a/lib/SQL/Abstract/Reference.pm +++ b/lib/SQL/Abstract/Reference.pm @@ -790,7 +790,7 @@ literal expr: ( size BETWEEN 3 AND 7 ) [] -C is also expanded: +not_between is also expanded: # expr { size => { -not_between => [ 3, 7 ] } } @@ -805,4 +805,53 @@ C is also expanded: ( size NOT BETWEEN ? AND ? ) [ 3, 7 ] +=head2 in op + +The RHS of in/not_in is either an expr/value or an arrayref of +exprs/values: + + # expr + { foo => { -in => [ 1, 2 ] } } + + # aqt + { -op => [ + 'in', { -ident => [ 'foo' ] }, { -bind => [ 'foo', 1 ] }, + { -bind => [ 'foo', 2 ] }, + ] } + + # query + foo IN ( ?, ? ) + [ 1, 2 ] + + # expr + { bar => { -not_in => \"(1, 2)" } } + + # aqt + { -op => + [ 'not_in', { -ident => [ 'bar' ] }, { -literal => [ '1, 2' ] } ] + } + + # query + bar NOT IN ( 1, 2 ) + [] + +A non-trivial LHS is expanded with ident as the default rather than value: + + # expr + { -in => [ + { -row => [ 'x', 'y' ] }, { -row => [ 1, 2 ] }, + { -row => [ 3, 4 ] }, + ] } + + # aqt + { -op => [ + 'in', { -row => [ { -ident => [ 'x' ] }, { -ident => [ 'y' ] } ] }, + { -row => [ { -bind => [ undef, 1 ] }, { -bind => [ undef, 2 ] } ] }, + { -row => [ { -bind => [ undef, 3 ] }, { -bind => [ undef, 4 ] } ] }, + ] } + + # query + (x, y) IN ( (?, ?), (?, ?) ) + [ 1, 2, 3, 4 ] + =cut