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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Database-Relational-Query-Monad-Trans-Assigning.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">relational-query-0.9.5.1: Typeful, Modular, Relational, algebraic query engine</p></div><div id="content"><div id="module-header"><table class="info"><tr><th valign="top">Copyright</th><td>2013-2017 Kei Hibino</td></tr><tr><th>License</th><td>BSD3</td></tr><tr><th>Maintainer</th><td>ex8k.hibino@gmail.com</td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Portability</th><td>unknown</td></tr><tr><th>Safe Haskell</th><td>None</td></tr><tr><th>Language</th><td>Haskell2010</td></tr></table><p class="caption">Database.Relational.Query.Monad.Trans.Assigning</p></div><div id="table-of-contents"><p class="caption">Contents</p><ul><li><a href="#g:1">Transformer into context with assignments</a></li><li><a href="#g:2">API of context with assignments</a></li><li><a href="#g:3">Result SQL set clause</a></li></ul></div><div id="description"><p class="caption">Description</p><div class="doc"><p>This module defines monad transformer which lift
from context into context with assigning.</p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><span class="keyword">data</span> <a href="#t:Assignings">Assignings</a> r m a</li><li class="src short"><a href="#v:assignings">assignings</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a</li><li class="src short"><a href="#v:assignTo">assignTo</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => <a href="Database-Relational-Query-Sub.html#t:Projection">Projection</a> <a href="Database-Relational-Query-Context.html#t:Flat">Flat</a> v -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:AssignTarget">AssignTarget</a> r v -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m ()</li><li class="src short"><a href="#v:-60--45--35-">(<-#)</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:AssignTarget">AssignTarget</a> r v -> <a href="Database-Relational-Query-Sub.html#t:Projection">Projection</a> <a href="Database-Relational-Query-Context.html#t:Flat">Flat</a> v -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m ()</li><li class="src short"><span class="keyword">type</span> <a href="#t:AssignTarget">AssignTarget</a> r v = <a href="Database-Relational-Query-Pi-Unsafe.html#t:Pi">Pi</a> r v</li><li class="src short"><a href="#v:extractAssignments">extractAssignments</a> :: (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m, <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Functor.html#t:Functor">Functor</a> m) => <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> m (a, <a href="Database-Relational-Query-Table.html#t:Table">Table</a> r -> [Assignment])</li></ul></div><div id="interface"><h1 id="g:1">Transformer into context with assignments</h1><div class="top"><p class="src"><span class="keyword">data</span> <a id="t:Assignings" class="def">Assignings</a> r m a <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#Assignings" class="link">Source</a> <a href="#t:Assignings" class="selflink">#</a></p><div class="doc"><p>Type to accumulate assigning context.
Type <code>r</code> is table record type.</p></div><div class="subs instances"><p id="control.i:Assignings" class="caption collapser" onclick="toggleSection('i:Assignings')">Instances</p><div id="section.i:Assignings" class="show"><table><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:Assignings:MonadQualify:1" class="instance expander" onclick="toggleSection('i:id:Assignings:MonadQualify:1')"></span> <a href="Database-Relational-Query-Monad-Class.html#t:MonadQualify">MonadQualify</a> q m => <a href="Database-Relational-Query-Monad-Class.html#t:MonadQualify">MonadQualify</a> q (<a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m)</span> <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#line-59" class="link">Source</a> <a href="#t:Assignings" class="selflink">#</a></td><td class="doc"><p><code><a href="Database-Relational-Query-Monad-Class.html#t:MonadQualify">MonadQualify</a></code> with assigning.</p></td></tr><tr><td colspan="2"><div id="section.i:id:Assignings:MonadQualify:1" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:liftQualify">liftQualify</a> :: q a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="src/Database-Relational-Query-Monad-Class.html#liftQualify" class="link">Source</a> <a href="#v:liftQualify" class="selflink">#</a></p></div></div></td></tr><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:Assignings:MonadRestrict:2" class="instance expander" onclick="toggleSection('i:id:Assignings:MonadRestrict:2')"></span> <a href="Database-Relational-Query-Monad-Class.html#t:MonadRestrict">MonadRestrict</a> c m => <a href="Database-Relational-Query-Monad-Class.html#t:MonadRestrict">MonadRestrict</a> c (<a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m)</span> <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#line-55" class="link">Source</a> <a href="#t:Assignings" class="selflink">#</a></td><td class="doc"><p><code><a href="Database-Relational-Query-Monad-Class.html#t:MonadRestrict">MonadRestrict</a></code> with assigning.</p></td></tr><tr><td colspan="2"><div id="section.i:id:Assignings:MonadRestrict:2" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:restrict">restrict</a> :: <a href="Database-Relational-Query-Sub.html#t:Projection">Projection</a> c (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Bool.html#t:Bool">Bool</a>) -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m () <a href="src/Database-Relational-Query-Monad-Class.html#restrict" class="link">Source</a> <a href="#v:restrict" class="selflink">#</a></p></div></div></td></tr><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:Assignings:MonadTrans:3" class="instance expander" onclick="toggleSection('i:id:Assignings:MonadTrans:3')"></span> <a href="file:///usr/share/doc/ghc-doc/html/libraries/transformers-0.5.2.0/Control-Monad-Trans-Class.html#t:MonadTrans">MonadTrans</a> (<a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r)</span> <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#line-48" class="link">Source</a> <a href="#t:Assignings" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:id:Assignings:MonadTrans:3" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:lift">lift</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="#v:lift" class="selflink">#</a></p></div></div></td></tr><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:Assignings:Monad:4" class="instance expander" onclick="toggleSection('i:id:Assignings:Monad:4')"></span> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> (<a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m)</span> <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#line-48" class="link">Source</a> <a href="#t:Assignings" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:id:Assignings:Monad:4" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:-62--62--61-">(>>=)</a> :: <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> (a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b) -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b <a href="#v:-62--62--61-" class="selflink">#</a></p><p class="src"><a href="#v:-62--62-">(>>)</a> :: <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b <a href="#v:-62--62-" class="selflink">#</a></p><p class="src"><a href="#v:return">return</a> :: a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="#v:return" class="selflink">#</a></p><p class="src"><a href="#v:fail">fail</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a> -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="#v:fail" class="selflink">#</a></p></div></div></td></tr><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:Assignings:Functor:5" class="instance expander" onclick="toggleSection('i:id:Assignings:Functor:5')"></span> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Functor.html#t:Functor">Functor</a> m => <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Functor.html#t:Functor">Functor</a> (<a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m)</span> <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#line-48" class="link">Source</a> <a href="#t:Assignings" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:id:Assignings:Functor:5" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:fmap">fmap</a> :: (a -> b) -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b <a href="#v:fmap" class="selflink">#</a></p><p class="src"><a href="#v:-60--36-">(<$)</a> :: a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="#v:-60--36-" class="selflink">#</a></p></div></div></td></tr><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:Assignings:Applicative:6" class="instance expander" onclick="toggleSection('i:id:Assignings:Applicative:6')"></span> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Applicative.html#t:Applicative">Applicative</a> m => <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Applicative.html#t:Applicative">Applicative</a> (<a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m)</span> <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#line-48" class="link">Source</a> <a href="#t:Assignings" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:id:Assignings:Applicative:6" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:pure">pure</a> :: a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="#v:pure" class="selflink">#</a></p><p class="src"><a href="#v:-60--42--62-">(<*>)</a> :: <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m (a -> b) -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b <a href="#v:-60--42--62-" class="selflink">#</a></p><p class="src"><a href="#v:-42--62-">(*>)</a> :: <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b <a href="#v:-42--62-" class="selflink">#</a></p><p class="src"><a href="#v:-60--42-">(<*)</a> :: <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m b -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="#v:-60--42-" class="selflink">#</a></p></div></div></td></tr></table></div></div></div><div class="top"><p class="src"><a id="v:assignings" class="def">assignings</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => m a -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#assignings" class="link">Source</a> <a href="#v:assignings" class="selflink">#</a></p><div class="doc"><p>Lift to <code><a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a></code></p></div></div><h1 id="g:2">API of context with assignments</h1><div class="top"><p class="src"><a id="v:assignTo" class="def">assignTo</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => <a href="Database-Relational-Query-Sub.html#t:Projection">Projection</a> <a href="Database-Relational-Query-Context.html#t:Flat">Flat</a> v -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:AssignTarget">AssignTarget</a> r v -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m () <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#assignTo" class="link">Source</a> <a href="#v:assignTo" class="selflink">#</a></p><div class="doc"><p>Add an assignment.</p></div></div><div class="top"><p class="src"><a id="v:-60--45--35-" class="def">(<-#)</a> :: <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m => <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:AssignTarget">AssignTarget</a> r v -> <a href="Database-Relational-Query-Sub.html#t:Projection">Projection</a> <a href="Database-Relational-Query-Context.html#t:Flat">Flat</a> v -> <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m () <span class="fixity">infix 4</span><span class="rightedge"></span> <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#%3C-%23" class="link">Source</a> <a href="#v:-60--45--35-" class="selflink">#</a></p><div class="doc"><p>Add and assginment.</p></div></div><div class="top"><p class="src"><span class="keyword">type</span> <a id="t:AssignTarget" class="def">AssignTarget</a> r v = <a href="Database-Relational-Query-Pi-Unsafe.html#t:Pi">Pi</a> r v <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#AssignTarget" class="link">Source</a> <a href="#t:AssignTarget" class="selflink">#</a></p><div class="doc"><p>Target of assignment.</p></div></div><h1 id="g:3">Result SQL set clause</h1><div class="top"><p class="src"><a id="v:extractAssignments" class="def">extractAssignments</a> :: (<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Control-Monad.html#t:Monad">Monad</a> m, <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Functor.html#t:Functor">Functor</a> m) => <a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a> r m a -> m (a, <a href="Database-Relational-Query-Table.html#t:Table">Table</a> r -> [Assignment]) <a href="src/Database-Relational-Query-Monad-Trans-Assigning.html#extractAssignments" class="link">Source</a> <a href="#v:extractAssignments" class="selflink">#</a></p><div class="doc"><p>Run <code><a href="Database-Relational-Query-Monad-Trans-Assigning.html#t:Assignings">Assignings</a></code> to get <code>Assignments</code></p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.17.3</p></div></body></html>
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