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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Database-PostgreSQL-Simple-LargeObjects.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">postgresql-simple-0.4.0.2: Mid-Level PostgreSQL client library</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Maintainer</th><td>leon@melding-monads.com</td></tr><tr><th>Safe Haskell</th><td>None</td></tr></table><p class="caption">Database.PostgreSQL.Simple.LargeObjects</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>Support for PostgreSQL's Large Objects; see
<a href="http://www.postgresql.org/docs/9.1/static/largeobjects.html">http://www.postgresql.org/docs/9.1/static/largeobjects.html</a> for more
information.
</p><p>Note that Large Object File Descriptors are only valid within a single
database transaction, so if you are interested in using anything beyond
<code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loCreat">loCreat</a></code>, <code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loCreate">loCreate</a></code>, and <code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loUnlink">loUnlink</a></code>, you will need to run the entire
sequence of functions in a transaction. As <code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loImport">loImport</a></code> and <code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loExport">loExport</a></code>
are simply C functions that call <code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loCreat">loCreat</a></code>, <code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loOpen">loOpen</a></code>, <code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loRead">loRead</a></code>, and
<code><a href="Database-PostgreSQL-Simple-LargeObjects.html#v:loWrite">loWrite</a></code>, and do not perform any transaction handling themselves,
they also need to be wrapped in an explicit transaction.
</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"><a href="#v:loCreat">loCreat</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></li><li class="src short"><a href="#v:loCreate">loCreate</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></li><li class="src short"><a href="#v:loImport">loImport</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></li><li class="src short"><a href="#v:loImportWithOid">loImportWithOid</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:FilePath">FilePath</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></li><li class="src short"><a href="#v:loExport">loExport</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><a href="#v:loOpen">loOpen</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a></li><li class="src short"><a href="#v:loWrite">loWrite</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.0.2/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a></li><li class="src short"><a href="#v:loRead">loRead</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.0.2/Data-ByteString.html#t:ByteString">ByteString</a></li><li class="src short"><a href="#v:loSeek">loSeek</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a></li><li class="src short"><a href="#v:loTell">loTell</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a></li><li class="src short"><a href="#v:loTruncate">loTruncate</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><a href="#v:loClose">loClose</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><a href="#v:loUnlink">loUnlink</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()</li><li class="src short"><span class="keyword">newtype</span> <a href="#t:Oid">Oid</a> = <a href="#v:Oid">Oid</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Foreign-C-Types.html#t:CUInt">CUInt</a></li><li class="src short"><span class="keyword">data</span> <a href="#t:LoFd">LoFd</a> </li><li class="src short"><span class="keyword">data</span> <a href="#t:IOMode">IOMode</a> <ul class="subs"><li>= <a href="#v:ReadMode">ReadMode</a> </li><li>| <a href="#v:WriteMode">WriteMode</a> </li><li>| <a href="#v:AppendMode">AppendMode</a> </li><li>| <a href="#v:ReadWriteMode">ReadWriteMode</a> </li></ul></li><li class="src short"><span class="keyword">data</span> <a href="#t:SeekMode">SeekMode</a> <ul class="subs"><li>= <a href="#v:AbsoluteSeek">AbsoluteSeek</a> </li><li>| <a href="#v:RelativeSeek">RelativeSeek</a> </li><li>| <a href="#v:SeekFromEnd">SeekFromEnd</a> </li></ul></li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><a name="v:loCreat" class="def">loCreat</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loCreat" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loCreate" class="def">loCreate</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loCreate" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loImport" class="def">loImport</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loImport" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loImportWithOid" class="def">loImportWithOid</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:FilePath">FilePath</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loImportWithOid" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loExport" class="def">loExport</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()<a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loExport" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loOpen" class="def">loOpen</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loOpen" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loWrite" class="def">loWrite</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.0.2/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loWrite" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loRead" class="def">loRead</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.0.2/Data-ByteString.html#t:ByteString">ByteString</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loRead" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loSeek" class="def">loSeek</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loSeek" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loTell" class="def">loTell</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a><a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loTell" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loTruncate" class="def">loTruncate</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()<a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loTruncate" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loClose" class="def">loClose</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()<a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loClose" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:loUnlink" class="def">loUnlink</a> :: <a href="Database-PostgreSQL-Simple-Internal.html#t:Connection">Connection</a> -> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:IO">IO</a> ()<a href="src/Database-PostgreSQL-Simple-LargeObjects.html#loUnlink" class="link">Source</a></p></div><div class="top"><p class="src"><span class="keyword">newtype</span> <a name="t:Oid" class="def">Oid</a> </p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:Oid" class="def">Oid</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Foreign-C-Types.html#t:CUInt">CUInt</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:Oid" class="caption collapser" onclick="toggleSection('i:Oid')">Instances</p><div id="section.i:Oid" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Eq.html#t:Eq">Eq</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Ord.html#t:Ord">Ord</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Text-Read.html#t:Read">Read</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Text-Show.html#t:Show">Show</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Foreign-Storable.html#t:Storable">Storable</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Database-PostgreSQL-Simple-ToField.html#t:ToField">ToField</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Database-PostgreSQL-Simple-FromField.html#t:FromField">FromField</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:Oid">Oid</a></td><td class="doc"><p>oid
</p></td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:LoFd" class="def">LoFd</a> </p><div class="doc"><p>LoFd is a Large Object (pseudo) File Descriptor. It is understood by
libpq but not by operating system calls.
</p></div><div class="subs instances"><p id="control.i:LoFd" class="caption collapser" onclick="toggleSection('i:LoFd')">Instances</p><div id="section.i:LoFd" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Eq.html#t:Eq">Eq</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Ord.html#t:Ord">Ord</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Text-Show.html#t:Show">Show</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:LoFd">LoFd</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:IOMode" class="def">IOMode</a> </p><div class="doc"><p>See <code><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/System-IO.html#t:openFile">openFile</a></code>
</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:ReadMode" class="def">ReadMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:WriteMode" class="def">WriteMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:AppendMode" class="def">AppendMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:ReadWriteMode" class="def">ReadWriteMode</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:IOMode" class="caption collapser" onclick="toggleSection('i:IOMode')">Instances</p><div id="section.i:IOMode" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Enum">Enum</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Eq.html#t:Eq">Eq</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Ord.html#t:Ord">Ord</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Text-Read.html#t:Read">Read</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Text-Show.html#t:Show">Show</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Ix.html#t:Ix">Ix</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:IOMode">IOMode</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:SeekMode" class="def">SeekMode</a> </p><div class="doc"><p>A mode that determines the effect of <code>hSeek</code> <code>hdl mode i</code>.
</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:AbsoluteSeek" class="def">AbsoluteSeek</a></td><td class="doc"><p>the position of <code>hdl</code> is set to <code>i</code>.
</p></td></tr><tr><td class="src"><a name="v:RelativeSeek" class="def">RelativeSeek</a></td><td class="doc"><p>the position of <code>hdl</code> is set to offset <code>i</code>
from the current position.
</p></td></tr><tr><td class="src"><a name="v:SeekFromEnd" class="def">SeekFromEnd</a></td><td class="doc"><p>the position of <code>hdl</code> is set to offset <code>i</code>
from the end of the file.
</p></td></tr></table></div><div class="subs instances"><p id="control.i:SeekMode" class="caption collapser" onclick="toggleSection('i:SeekMode')">Instances</p><div id="section.i:SeekMode" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Enum">Enum</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Eq.html#t:Eq">Eq</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Ord.html#t:Ord">Ord</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Text-Read.html#t:Read">Read</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Text-Show.html#t:Show">Show</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Data-Ix.html#t:Ix">Ix</a> <a href="Database-PostgreSQL-Simple-LargeObjects.html#t:SeekMode">SeekMode</a></td><td class="doc empty"> </td></tr></table></div></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.13.2</p></div></body></html>
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