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<title>src/Database/HaskellDB/DBSpec/DBSpecToDatabase.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : DBSpecToDatabase</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : HWT Group (c) 2004, haskelldb-users@lists.sourceforge.net</span>
<a name="line-5"></a><span class='hs-comment'>-- License : BSD-style</span>
<a name="line-6"></a><span class='hs-comment'>-- </span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer : haskelldb-users@lists.sourceforge.net</span>
<a name="line-8"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-9"></a><span class='hs-comment'>-- Portability : non-portable</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- Connects to a database and generates stuff in it according</span>
<a name="line-12"></a><span class='hs-comment'>-- to what's inside the DBSpec.</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-- </span>
<a name="line-15"></a><span class='hs-comment'>-----------------------------------------------------------</span>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Database</span><span class='hs-varop'>.</span><span class='hs-conid'>HaskellDB</span><span class='hs-varop'>.</span><span class='hs-conid'>DBSpec</span><span class='hs-varop'>.</span><span class='hs-conid'>DBSpecToDatabase</span>
<a name="line-17"></a> <span class='hs-layout'>(</span><span class='hs-varid'>dbSpecToDatabase</span><span class='hs-layout'>,</span><span class='hs-varid'>tInfoToTable</span><span class='hs-layout'>)</span>
<a name="line-18"></a> <span class='hs-keyword'>where</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Database</span><span class='hs-varop'>.</span><span class='hs-conid'>HaskellDB</span><span class='hs-varop'>.</span><span class='hs-conid'>Database</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Database</span><span class='hs-varop'>.</span><span class='hs-conid'>HaskellDB</span><span class='hs-varop'>.</span><span class='hs-conid'>FieldType</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Database</span><span class='hs-varop'>.</span><span class='hs-conid'>HaskellDB</span><span class='hs-varop'>.</span><span class='hs-conid'>DBSpec</span><span class='hs-varop'>.</span><span class='hs-conid'>DBInfo</span>
<a name="line-23"></a>
<a name="line-24"></a><a name="dbSpecToDatabase"></a><span class='hs-comment'>-- | Converts a DBInfo to a real life Database, note that the database must</span>
<a name="line-25"></a><span class='hs-comment'>-- exist for this to work</span>
<a name="line-26"></a><span class='hs-definition'>dbSpecToDatabase</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Database</span> <span class='hs-comment'>-- ^ A Database</span>
<a name="line-27"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DBInfo</span> <span class='hs-comment'>-- ^ The DBInfo to generate from</span>
<a name="line-28"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-29"></a><span class='hs-definition'>dbSpecToDatabase</span> <span class='hs-varid'>db</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM_</span> <span class='hs-layout'>(</span><span class='hs-varid'>tInfoToTable</span> <span class='hs-varid'>db</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>tbls</span>
<a name="line-30"></a>
<a name="line-31"></a><a name="tInfoToTable"></a><span class='hs-comment'>-- | Create a database table specified by a 'TInfo'.</span>
<a name="line-32"></a><span class='hs-definition'>tInfoToTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Database</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-33"></a><span class='hs-definition'>tInfoToTable</span> <span class='hs-varid'>db</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>createTable</span> <span class='hs-varid'>db</span> <span class='hs-layout'>(</span><span class='hs-varid'>tname</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>tInfoCols</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="tInfoCols"></a><span class='hs-definition'>tInfoCols</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>FieldDesc</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-36"></a><span class='hs-definition'>tInfoCols</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>cname</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-varid'>descr</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>cols</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>cname</span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span> <span class='hs-str'>""</span><span class='hs-keyglyph'>]</span>
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