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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 : Database.HaskellDB.Sql.Print</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : Daan Leijen (c) 1999, daan@cs.uu.nl</span>
<a name="line-5"></a><span class='hs-comment'>-- HWT Group (c) 2003, haskelldb-users@lists.sourceforge.net</span>
<a name="line-6"></a><span class='hs-comment'>-- License : BSD-style</span>
<a name="line-7"></a><span class='hs-comment'>-- </span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer : haskelldb-users@lists.sourceforge.net</span>
<a name="line-9"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-10"></a><span class='hs-comment'>-- Portability : non-portable</span>
<a name="line-11"></a><span class='hs-comment'>-- </span>
<a name="line-12"></a><span class='hs-comment'>-- Pretty-print SQL</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-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'>Sql</span><span class='hs-varop'>.</span><span class='hs-conid'>Print</span> <span class='hs-layout'>(</span>
<a name="line-16"></a> <span class='hs-varid'>ppSql</span><span class='hs-layout'>,</span>
<a name="line-17"></a> <span class='hs-varid'>ppUpdate</span><span class='hs-layout'>,</span>
<a name="line-18"></a> <span class='hs-varid'>ppDelete</span><span class='hs-layout'>,</span>
<a name="line-19"></a> <span class='hs-varid'>ppInsert</span><span class='hs-layout'>,</span>
<a name="line-20"></a> <span class='hs-varid'>ppCreate</span><span class='hs-layout'>,</span>
<a name="line-21"></a> <span class='hs-varid'>ppDrop</span><span class='hs-layout'>,</span>
<a name="line-22"></a> <span class='hs-varid'>ppSqlExpr</span>
<a name="line-23"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-24"></a>
<a name="line-25"></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'>Sql</span>
<a name="line-26"></a>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span><span class='hs-varid'>intersperse</span><span class='hs-layout'>)</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>PrettyPrint</span><span class='hs-varop'>.</span><span class='hs-conid'>HughesPJ</span>
<a name="line-29"></a>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-comment'>-- * SELECT</span>
<a name="line-32"></a>
<a name="line-33"></a><a name="ppSql"></a><span class='hs-comment'>-- | Pretty prints a 'SqlSelect'</span>
<a name="line-34"></a><span class='hs-definition'>ppSql</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlSelect</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-35"></a><span class='hs-definition'>ppSql</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlSelect</span> <span class='hs-varid'>options</span> <span class='hs-varid'>attrs</span> <span class='hs-varid'>tables</span> <span class='hs-varid'>criteria</span> <span class='hs-varid'>groupby</span> <span class='hs-varid'>orderby</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span>
<a name="line-36"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"SELECT"</span>
<a name="line-37"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>hsep</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>text</span> <span class='hs-varid'>options</span><span class='hs-layout'>)</span>
<a name="line-38"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>ppAttrs</span> <span class='hs-varid'>attrs</span>
<a name="line-39"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>ppTables</span> <span class='hs-varid'>tables</span>
<a name="line-40"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>ppWhere</span> <span class='hs-varid'>criteria</span>
<a name="line-41"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>empty</span> <span class='hs-varid'>ppGroupBy</span> <span class='hs-varid'>groupby</span>
<a name="line-42"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>ppOrderBy</span> <span class='hs-varid'>orderby</span>
<a name="line-43"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>hsep</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>text</span> <span class='hs-varid'>extra</span><span class='hs-layout'>)</span>
<a name="line-44"></a><span class='hs-definition'>ppSql</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlBin</span> <span class='hs-varid'>op</span> <span class='hs-varid'>q1</span> <span class='hs-varid'>q2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSql</span> <span class='hs-varid'>q1</span><span class='hs-layout'>)</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-varid'>op</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSql</span> <span class='hs-varid'>q2</span><span class='hs-layout'>)</span>
<a name="line-45"></a><span class='hs-definition'>ppSql</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlTable</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span>
<a name="line-46"></a><span class='hs-definition'>ppSql</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlEmpty</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>""</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="ppAttrs"></a><span class='hs-definition'>ppAttrs</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>SqlColumn</span><span class='hs-layout'>,</span><span class='hs-conid'>SqlExpr</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-49"></a><span class='hs-definition'>ppAttrs</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"*"</span>
<a name="line-50"></a><span class='hs-definition'>ppAttrs</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commaV</span> <span class='hs-varid'>nameAs</span> <span class='hs-varid'>xs</span>
<a name="line-51"></a> <span class='hs-keyword'>where</span>
<a name="line-52"></a> <span class='hs-comment'>-- | Print a name-value binding, or just the name if</span>
<a name="line-53"></a> <span class='hs-comment'>-- name and value are the same.</span>
<a name="line-54"></a> <span class='hs-varid'>nameAs</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlColumn</span><span class='hs-layout'>,</span><span class='hs-conid'>SqlExpr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-55"></a> <span class='hs-varid'>nameAs</span> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span> <span class='hs-conid'>ColumnSqlExpr</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>name</span> <span class='hs-varop'>==</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span>
<a name="line-56"></a> <span class='hs-varid'>nameAs</span> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span><span class='hs-varid'>expr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ppAs</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>expr</span><span class='hs-layout'>)</span>
<a name="line-57"></a>
<a name="line-58"></a><a name="ppTables"></a><span class='hs-comment'>-- FIXME: table aliases start from 1 in every select, which means that</span>
<a name="line-59"></a><span class='hs-comment'>-- with binary RelOps we can get table alias clashes.</span>
<a name="line-60"></a><span class='hs-definition'>ppTables</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>SqlTable</span><span class='hs-layout'>,</span><span class='hs-conid'>SqlSelect</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-61"></a><span class='hs-definition'>ppTables</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>empty</span>
<a name="line-62"></a><span class='hs-definition'>ppTables</span> <span class='hs-varid'>ts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"FROM"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>commaV</span> <span class='hs-varid'>ppTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>zipWith</span> <span class='hs-varid'>tableAlias</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span>
<a name="line-63"></a> <span class='hs-keyword'>where</span>
<a name="line-64"></a> <span class='hs-varid'>tableAlias</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlTable</span><span class='hs-layout'>,</span><span class='hs-conid'>SqlSelect</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlTable</span><span class='hs-layout'>,</span><span class='hs-conid'>SqlSelect</span><span class='hs-layout'>)</span>
<a name="line-65"></a> <span class='hs-varid'>tableAlias</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>sql</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"T"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>sql</span><span class='hs-layout'>)</span>
<a name="line-66"></a>
<a name="line-67"></a> <span class='hs-varid'>ppTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlTable</span><span class='hs-layout'>,</span><span class='hs-conid'>SqlSelect</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-68"></a> <span class='hs-varid'>ppTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>alias</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-conid'>SqlTable</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ppAs</span> <span class='hs-varid'>alias</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span>
<a name="line-69"></a> <span class='hs-varid'>ppTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>alias</span><span class='hs-layout'>,</span><span class='hs-varid'>sql</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ppAs</span> <span class='hs-varid'>alias</span> <span class='hs-layout'>(</span><span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSql</span> <span class='hs-varid'>sql</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-70"></a>
<a name="line-71"></a><a name="ppWhere"></a><span class='hs-definition'>ppWhere</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SqlExpr</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-72"></a><span class='hs-definition'>ppWhere</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>empty</span>
<a name="line-73"></a><span class='hs-definition'>ppWhere</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"WHERE"</span>
<a name="line-74"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>hsep</span> <span class='hs-layout'>(</span><span class='hs-varid'>intersperse</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>"AND"</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="ppGroupBy"></a><span class='hs-definition'>ppGroupBy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Mark</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-77"></a><span class='hs-definition'>ppGroupBy</span> <span class='hs-conid'>All</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"Should not ever print GroupBy all."</span>
<a name="line-78"></a><span class='hs-definition'>ppGroupBy</span> <span class='hs-layout'>(</span><span class='hs-conid'>Columns</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"GROUP BY"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppGroupAttrs</span> <span class='hs-varid'>es</span>
<a name="line-79"></a> <span class='hs-keyword'>where</span>
<a name="line-80"></a> <span class='hs-varid'>ppGroupAttrs</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>SqlColumn</span><span class='hs-layout'>,</span> <span class='hs-conid'>SqlExpr</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-81"></a> <span class='hs-varid'>ppGroupAttrs</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>commaV</span> <span class='hs-varid'>nameOrExpr</span> <span class='hs-varid'>cs</span>
<a name="line-82"></a> <span class='hs-varid'>nameOrExpr</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlColumn</span><span class='hs-layout'>,</span> <span class='hs-conid'>SqlExpr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-83"></a> <span class='hs-varid'>nameOrExpr</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-conid'>ColumnSqlExpr</span> <span class='hs-varid'>col</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>col</span>
<a name="line-84"></a> <span class='hs-varid'>nameOrExpr</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>expr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>expr</span><span class='hs-layout'>)</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="ppOrderBy"></a><span class='hs-definition'>ppOrderBy</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>SqlExpr</span><span class='hs-layout'>,</span><span class='hs-conid'>SqlOrder</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-87"></a><span class='hs-definition'>ppOrderBy</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>empty</span>
<a name="line-88"></a><span class='hs-definition'>ppOrderBy</span> <span class='hs-varid'>ord</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"ORDER BY"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>commaV</span> <span class='hs-varid'>ppOrd</span> <span class='hs-varid'>ord</span>
<a name="line-89"></a> <span class='hs-keyword'>where</span>
<a name="line-90"></a> <span class='hs-varid'>ppOrd</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>e</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlOrder</span> <span class='hs-varid'>o</span>
<a name="line-91"></a> <span class='hs-varid'>ppSqlOrder</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlOrder</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-92"></a> <span class='hs-varid'>ppSqlOrder</span> <span class='hs-conid'>SqlAsc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"ASC"</span>
<a name="line-93"></a> <span class='hs-varid'>ppSqlOrder</span> <span class='hs-conid'>SqlDesc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"DESC"</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="ppAs"></a><span class='hs-definition'>ppAs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-96"></a><span class='hs-definition'>ppAs</span> <span class='hs-varid'>alias</span> <span class='hs-varid'>expr</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>alias</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>expr</span>
<a name="line-97"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>expr</span> <span class='hs-varop'><+></span> <span class='hs-layout'>(</span><span class='hs-varid'>hsep</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>text</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"as"</span><span class='hs-layout'>,</span><span class='hs-varid'>alias</span><span class='hs-keyglyph'>]</span>
<a name="line-98"></a>
<a name="line-99"></a>
<a name="line-100"></a><span class='hs-comment'>-- * UPDATE</span>
<a name="line-101"></a>
<a name="line-102"></a><a name="ppUpdate"></a><span class='hs-comment'>-- | Pretty prints a 'SqlUpdate'</span>
<a name="line-103"></a><span class='hs-definition'>ppUpdate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlUpdate</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-104"></a><span class='hs-definition'>ppUpdate</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlUpdate</span> <span class='hs-varid'>name</span> <span class='hs-varid'>assigns</span> <span class='hs-varid'>criteria</span><span class='hs-layout'>)</span>
<a name="line-105"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"UPDATE"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span>
<a name="line-106"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"SET"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>commaV</span> <span class='hs-varid'>ppAssign</span> <span class='hs-varid'>assigns</span>
<a name="line-107"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>ppWhere</span> <span class='hs-varid'>criteria</span>
<a name="line-108"></a> <span class='hs-keyword'>where</span>
<a name="line-109"></a> <span class='hs-varid'>ppAssign</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span><span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>c</span> <span class='hs-varop'><+></span> <span class='hs-varid'>equals</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>e</span>
<a name="line-110"></a>
<a name="line-111"></a>
<a name="line-112"></a><span class='hs-comment'>-- * DELETE</span>
<a name="line-113"></a>
<a name="line-114"></a><a name="ppDelete"></a><span class='hs-comment'>-- | Pretty prints a 'SqlDelete'</span>
<a name="line-115"></a><span class='hs-definition'>ppDelete</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlDelete</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-116"></a><span class='hs-definition'>ppDelete</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlDelete</span> <span class='hs-varid'>name</span> <span class='hs-varid'>criteria</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-117"></a> <span class='hs-varid'>text</span> <span class='hs-str'>"DELETE FROM"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span> <span class='hs-varop'>$$</span> <span class='hs-varid'>ppWhere</span> <span class='hs-varid'>criteria</span>
<a name="line-118"></a>
<a name="line-119"></a>
<a name="line-120"></a><span class='hs-comment'>-- * INSERT</span>
<a name="line-121"></a>
<a name="line-122"></a><a name="ppInsert"></a><span class='hs-definition'>ppInsert</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlInsert</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-123"></a>
<a name="line-124"></a><span class='hs-definition'>ppInsert</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlInsert</span> <span class='hs-varid'>table</span> <span class='hs-varid'>names</span> <span class='hs-varid'>values</span><span class='hs-layout'>)</span>
<a name="line-125"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"INSERT INTO"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>table</span>
<a name="line-126"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaV</span> <span class='hs-varid'>text</span> <span class='hs-varid'>names</span><span class='hs-layout'>)</span>
<a name="line-127"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"VALUES"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaV</span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>values</span><span class='hs-layout'>)</span>
<a name="line-128"></a>
<a name="line-129"></a><span class='hs-definition'>ppInsert</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlInsertQuery</span> <span class='hs-varid'>table</span> <span class='hs-varid'>names</span> <span class='hs-varid'>select</span><span class='hs-layout'>)</span>
<a name="line-130"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"INSERT INTO"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>table</span>
<a name="line-131"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaV</span> <span class='hs-varid'>text</span> <span class='hs-varid'>names</span><span class='hs-layout'>)</span>
<a name="line-132"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>ppSql</span> <span class='hs-varid'>select</span>
<a name="line-133"></a>
<a name="line-134"></a>
<a name="line-135"></a><span class='hs-comment'>-- * CREATE</span>
<a name="line-136"></a>
<a name="line-137"></a><a name="ppCreate"></a><span class='hs-comment'>-- | Pretty prints a 'SqlCreate'. </span>
<a name="line-138"></a><span class='hs-definition'>ppCreate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlCreate</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-139"></a><span class='hs-definition'>ppCreate</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlCreateDB</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"CREATE DATABASE"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span>
<a name="line-140"></a><span class='hs-definition'>ppCreate</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlCreateTable</span> <span class='hs-varid'>name</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-141"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"CREATE TABLE"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span>
<a name="line-142"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaV</span> <span class='hs-varid'>ppF</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-143"></a> <span class='hs-keyword'>where</span>
<a name="line-144"></a> <span class='hs-varid'>ppF</span> <span class='hs-layout'>(</span><span class='hs-varid'>fname</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>fname</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlTypeNull</span> <span class='hs-varid'>t</span>
<a name="line-145"></a>
<a name="line-146"></a><a name="ppSqlTypeNull"></a><span class='hs-definition'>ppSqlTypeNull</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlType</span><span class='hs-layout'>,</span><span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-147"></a><span class='hs-definition'>ppSqlTypeNull</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>nullable</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ppSqlType</span> <span class='hs-varid'>t</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>nullable</span> <span class='hs-keyword'>then</span> <span class='hs-str'>" null"</span> <span class='hs-keyword'>else</span> <span class='hs-str'>" not null"</span><span class='hs-layout'>)</span>
<a name="line-148"></a>
<a name="line-149"></a><a name="ppSqlType"></a><span class='hs-definition'>ppSqlType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-150"></a><span class='hs-definition'>ppSqlType</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlType</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>t</span>
<a name="line-151"></a><span class='hs-definition'>ppSqlType</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlType1</span> <span class='hs-varid'>t</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>t</span> <span class='hs-varop'><></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>int</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-152"></a><span class='hs-definition'>ppSqlType</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlType2</span> <span class='hs-varid'>t</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>t</span> <span class='hs-varop'><></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaH</span> <span class='hs-varid'>int</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-153"></a>
<a name="line-154"></a>
<a name="line-155"></a><span class='hs-comment'>-- * DROP</span>
<a name="line-156"></a>
<a name="line-157"></a><a name="ppDrop"></a><span class='hs-comment'>-- | Pretty prints a 'SqlDrop'.</span>
<a name="line-158"></a><span class='hs-definition'>ppDrop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlDrop</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-159"></a><span class='hs-definition'>ppDrop</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlDropDB</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"DROP DATABASE"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span>
<a name="line-160"></a><span class='hs-definition'>ppDrop</span> <span class='hs-layout'>(</span><span class='hs-conid'>SqlDropTable</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"DROP TABLE"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span>
<a name="line-161"></a>
<a name="line-162"></a>
<a name="line-163"></a><span class='hs-comment'>-- * Expressions</span>
<a name="line-164"></a>
<a name="line-165"></a><a name="ppSqlExpr"></a><span class='hs-comment'>-- | Pretty prints a 'SqlExpr'</span>
<a name="line-166"></a><span class='hs-definition'>ppSqlExpr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SqlExpr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-167"></a><span class='hs-definition'>ppSqlExpr</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-168"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>of</span>
<a name="line-169"></a> <span class='hs-conid'>ColumnSqlExpr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-varid'>c</span>
<a name="line-170"></a> <span class='hs-conid'>ParensSqlExpr</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-171"></a> <span class='hs-conid'>BinSqlExpr</span> <span class='hs-varid'>op</span> <span class='hs-varid'>e1</span> <span class='hs-varid'>e2</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>e1</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>op</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>e2</span>
<a name="line-172"></a> <span class='hs-conid'>PrefixSqlExpr</span> <span class='hs-varid'>op</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-varid'>op</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>e</span>
<a name="line-173"></a> <span class='hs-conid'>PostfixSqlExpr</span> <span class='hs-varid'>op</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>e</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>op</span>
<a name="line-174"></a> <span class='hs-conid'>FunSqlExpr</span> <span class='hs-varid'>f</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-varid'>f</span> <span class='hs-varop'><></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaH</span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-175"></a> <span class='hs-conid'>AggrFunSqlExpr</span> <span class='hs-varid'>f</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-varid'>f</span> <span class='hs-varop'><></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaH</span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-176"></a> <span class='hs-conid'>ConstSqlExpr</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-varid'>c</span>
<a name="line-177"></a> <span class='hs-conid'>CaseSqlExpr</span> <span class='hs-varid'>cs</span> <span class='hs-varid'>el</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-str'>"CASE"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>vcat</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>ppWhen</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-str'>"ELSE"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>el</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-str'>"END"</span>
<a name="line-179"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ppWhen</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-str'>"WHEN"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>w</span>
<a name="line-180"></a> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-str'>"THEN"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>t</span>
<a name="line-181"></a> <span class='hs-conid'>ListSqlExpr</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>commaH</span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-182"></a> <span class='hs-conid'>ExistsSqlExpr</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-str'>"EXISTS"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSql</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-183"></a> <span class='hs-conid'>ParamSqlExpr</span> <span class='hs-varid'>n</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>v</span>
<a name="line-184"></a> <span class='hs-conid'>PlaceHolderSqlExpr</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-str'>"?"</span>
<a name="line-185"></a> <span class='hs-conid'>CastSqlExpr</span> <span class='hs-varid'>typ</span> <span class='hs-varid'>expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-str'>"CAST"</span> <span class='hs-varop'><></span> <span class='hs-varid'>parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppSqlExpr</span> <span class='hs-varid'>expr</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-str'>"AS"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-varid'>typ</span><span class='hs-layout'>)</span>
<a name="line-186"></a>
<a name="line-187"></a>
<a name="line-188"></a><a name="commaH"></a><span class='hs-definition'>commaH</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-189"></a><span class='hs-definition'>commaH</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hcat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>punctuate</span> <span class='hs-varid'>comma</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>f</span>
<a name="line-190"></a>
<a name="line-191"></a><a name="commaV"></a><span class='hs-definition'>commaV</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-192"></a><span class='hs-definition'>commaV</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>vcat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>punctuate</span> <span class='hs-varid'>comma</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>f</span>
</pre></body>
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