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<li class="navelem"><a class="el" href="dir_f51fe74ea6bc2b1b900619895eaa63be.html">iceberg</a></li><li class="navelem"><a class="el" href="dir_832d158f51fdfd219125f1a0f5099b44.html">expression</a></li> </ul>
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<div class="textblock"><code>#include &lt;nlohmann/json_fwd.hpp&gt;</code><br />
<code>#include &quot;<a class="el" href="expression_8h_source.html">iceberg/expression/expression.h</a>&quot;</code><br />
<code>#include &quot;iceberg/iceberg_export.h&quot;</code><br />
<code>#include &quot;iceberg/result.h&quot;</code><br />
<code>#include &quot;<a class="el" href="type__fwd_8h_source.html">iceberg/type_fwd.h</a>&quot;</code><br />
</div>
<p><a href="expression_2json__serde__internal_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a8579d96fb049b4c09d4fcb53101fbede" id="r_a8579d96fb049b4c09d4fcb53101fbede"><td class="memItemLeft" align="right" valign="top">Result&lt; <a class="el" href="classiceberg_1_1Expression.html#a433076bdc34ce0b6d359313c6c7b8a9c">Expression::Operation</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a8579d96fb049b4c09d4fcb53101fbede">iceberg::OperationTypeFromJson</a> (const nlohmann::json &amp;json)</td></tr>
<tr class="memdesc:a8579d96fb049b4c09d4fcb53101fbede"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts an operation type string to an <a class="el" href="classiceberg_1_1Expression.html#a433076bdc34ce0b6d359313c6c7b8a9c" title="Operation types for expressions.">Expression::Operation</a>. <br /></td></tr>
<tr class="separator:a8579d96fb049b4c09d4fcb53101fbede"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae32c9c9422e5ddd5107fab7c4d9a3ec5" id="r_ae32c9c9422e5ddd5107fab7c4d9a3ec5"><td class="memItemLeft" align="right" valign="top">nlohmann::json&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#ae32c9c9422e5ddd5107fab7c4d9a3ec5">iceberg::ToJson</a> (<a class="el" href="classiceberg_1_1Expression.html#a433076bdc34ce0b6d359313c6c7b8a9c">Expression::Operation</a> op)</td></tr>
<tr class="memdesc:ae32c9c9422e5ddd5107fab7c4d9a3ec5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts an <a class="el" href="classiceberg_1_1Expression.html#a433076bdc34ce0b6d359313c6c7b8a9c" title="Operation types for expressions.">Expression::Operation</a> to its json representation. <br /></td></tr>
<tr class="separator:ae32c9c9422e5ddd5107fab7c4d9a3ec5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:add3200e5487734821d06453f467344ba" id="r_add3200e5487734821d06453f467344ba"><td class="memItemLeft" align="right" valign="top">Result&lt; std::shared_ptr&lt; <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#add3200e5487734821d06453f467344ba">iceberg::ExpressionFromJson</a> (const nlohmann::json &amp;json, const <a class="el" href="classiceberg_1_1Schema.html">Schema</a> *schema=nullptr)</td></tr>
<tr class="memdesc:add3200e5487734821d06453f467344ba"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deserializes a JSON object into an <a class="el" href="classiceberg_1_1Expression.html" title="Represents a boolean expression tree.">Expression</a>. <br /></td></tr>
<tr class="separator:add3200e5487734821d06453f467344ba"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a51d7dd582b30367e206141f75a8c0704" id="r_a51d7dd582b30367e206141f75a8c0704"><td class="memItemLeft" align="right" valign="top">Result&lt; nlohmann::json &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a51d7dd582b30367e206141f75a8c0704">iceberg::ToJson</a> (const <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &amp;expr)</td></tr>
<tr class="memdesc:a51d7dd582b30367e206141f75a8c0704"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes an <a class="el" href="classiceberg_1_1Expression.html" title="Represents a boolean expression tree.">Expression</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a51d7dd582b30367e206141f75a8c0704"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a57665e778f0c5a71406a18c70990fd9f" id="r_a57665e778f0c5a71406a18c70990fd9f"><td class="memItemLeft" align="right" valign="top">Result&lt; std::unique_ptr&lt; <a class="el" href="classiceberg_1_1NamedReference.html">NamedReference</a> &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a57665e778f0c5a71406a18c70990fd9f">iceberg::NamedReferenceFromJson</a> (const nlohmann::json &amp;json)</td></tr>
<tr class="memdesc:a57665e778f0c5a71406a18c70990fd9f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deserializes a JSON object into a <a class="el" href="classiceberg_1_1NamedReference.html" title="A reference to an unbound named field.">NamedReference</a>. <br /></td></tr>
<tr class="separator:a57665e778f0c5a71406a18c70990fd9f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9048bef2dc23f81b35b5ea0ef4bf5d24" id="r_a9048bef2dc23f81b35b5ea0ef4bf5d24"><td class="memItemLeft" align="right" valign="top">nlohmann::json&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a9048bef2dc23f81b35b5ea0ef4bf5d24">iceberg::ToJson</a> (const <a class="el" href="classiceberg_1_1NamedReference.html">NamedReference</a> &amp;ref)</td></tr>
<tr class="memdesc:a9048bef2dc23f81b35b5ea0ef4bf5d24"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes a <a class="el" href="classiceberg_1_1NamedReference.html" title="A reference to an unbound named field.">NamedReference</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a9048bef2dc23f81b35b5ea0ef4bf5d24"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a269399dbec2b2addf2595683c98237d5" id="r_a269399dbec2b2addf2595683c98237d5"><td class="memItemLeft" align="right" valign="top">nlohmann::json&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a269399dbec2b2addf2595683c98237d5">iceberg::ToJson</a> (const <a class="el" href="classiceberg_1_1UnboundTransform.html">UnboundTransform</a> &amp;transform)</td></tr>
<tr class="memdesc:a269399dbec2b2addf2595683c98237d5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes an <a class="el" href="classiceberg_1_1UnboundTransform.html" title="An unbound transform expression.">UnboundTransform</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a269399dbec2b2addf2595683c98237d5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a07f27e7ac84b5fada616429b10ff489f" id="r_a07f27e7ac84b5fada616429b10ff489f"><td class="memItemLeft" align="right" valign="top">Result&lt; std::unique_ptr&lt; <a class="el" href="classiceberg_1_1UnboundTransform.html">UnboundTransform</a> &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a07f27e7ac84b5fada616429b10ff489f">iceberg::UnboundTransformFromJson</a> (const nlohmann::json &amp;json)</td></tr>
<tr class="memdesc:a07f27e7ac84b5fada616429b10ff489f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deserializes a JSON object into an <a class="el" href="classiceberg_1_1UnboundTransform.html" title="An unbound transform expression.">UnboundTransform</a>. <br /></td></tr>
<tr class="separator:a07f27e7ac84b5fada616429b10ff489f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3a06adcca0dce6d66a4228a3a5df04b8" id="r_a3a06adcca0dce6d66a4228a3a5df04b8"><td class="memItemLeft" align="right" valign="top">Result&lt; nlohmann::json &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a3a06adcca0dce6d66a4228a3a5df04b8">iceberg::ToJson</a> (const <a class="el" href="classiceberg_1_1Literal.html">Literal</a> &amp;literal)</td></tr>
<tr class="memdesc:a3a06adcca0dce6d66a4228a3a5df04b8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes a <a class="el" href="classiceberg_1_1Literal.html" title="Literal is a literal value that is associated with a primitive type.">Literal</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a3a06adcca0dce6d66a4228a3a5df04b8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a98cd58e54823c306adf10ca097465d9b" id="r_a98cd58e54823c306adf10ca097465d9b"><td class="memItemLeft" align="right" valign="top">Result&lt; <a class="el" href="classiceberg_1_1Literal.html">Literal</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a98cd58e54823c306adf10ca097465d9b">iceberg::LiteralFromJson</a> (const nlohmann::json &amp;json)</td></tr>
<tr class="memdesc:a98cd58e54823c306adf10ca097465d9b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deserializes a JSON value into a <a class="el" href="classiceberg_1_1Literal.html" title="Literal is a literal value that is associated with a primitive type.">Literal</a>. <br /></td></tr>
<tr class="separator:a98cd58e54823c306adf10ca097465d9b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a13b2c8dac05045beda393236670b1b62" id="r_a13b2c8dac05045beda393236670b1b62"><td class="memItemLeft" align="right" valign="top">Result&lt; <a class="el" href="classiceberg_1_1Literal.html">Literal</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a13b2c8dac05045beda393236670b1b62">iceberg::LiteralFromJson</a> (const nlohmann::json &amp;json, const <a class="el" href="classiceberg_1_1Type.html">Type</a> *type)</td></tr>
<tr class="memdesc:a13b2c8dac05045beda393236670b1b62"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deserializes a JSON value into a <a class="el" href="classiceberg_1_1Literal.html" title="Literal is a literal value that is associated with a primitive type.">Literal</a> with optional type context. <br /></td></tr>
<tr class="separator:a13b2c8dac05045beda393236670b1b62"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a14d6a466b5a0504289011d22bbb99b57" id="r_a14d6a466b5a0504289011d22bbb99b57"><td class="memItemLeft" align="right" valign="top">Result&lt; nlohmann::json &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a14d6a466b5a0504289011d22bbb99b57">iceberg::ToJson</a> (const <a class="el" href="classiceberg_1_1UnboundPredicate.html">UnboundPredicate</a> &amp;pred)</td></tr>
<tr class="memdesc:a14d6a466b5a0504289011d22bbb99b57"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes an <a class="el" href="classiceberg_1_1UnboundPredicate.html" title="Non-template base class for all UnboundPredicate instances.">UnboundPredicate</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a14d6a466b5a0504289011d22bbb99b57"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aea37601db7398138facf01639a37524b" id="r_aea37601db7398138facf01639a37524b"><td class="memItemLeft" align="right" valign="top"><a id="aea37601db7398138facf01639a37524b" name="aea37601db7398138facf01639a37524b"></a>
nlohmann::json&#160;</td><td class="memItemRight" valign="bottom"><b>iceberg::ToJson</b> (const <a class="el" href="classiceberg_1_1BoundReference.html">BoundReference</a> &amp;ref)</td></tr>
<tr class="memdesc:aea37601db7398138facf01639a37524b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes a <a class="el" href="classiceberg_1_1BoundReference.html" title="A reference to a bound field.">BoundReference</a> into its JSON representation (field name string). <br /></td></tr>
<tr class="separator:aea37601db7398138facf01639a37524b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a012255fe23f2cf484a67c641732f163a" id="r_a012255fe23f2cf484a67c641732f163a"><td class="memItemLeft" align="right" valign="top"><a id="a012255fe23f2cf484a67c641732f163a" name="a012255fe23f2cf484a67c641732f163a"></a>
nlohmann::json&#160;</td><td class="memItemRight" valign="bottom"><b>iceberg::ToJson</b> (const <a class="el" href="classiceberg_1_1BoundTransform.html">BoundTransform</a> &amp;transform)</td></tr>
<tr class="memdesc:a012255fe23f2cf484a67c641732f163a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes a <a class="el" href="classiceberg_1_1BoundTransform.html" title="A bound transform expression.">BoundTransform</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a012255fe23f2cf484a67c641732f163a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4ad4a9eb4439311bb5b7594617dc42da" id="r_a4ad4a9eb4439311bb5b7594617dc42da"><td class="memItemLeft" align="right" valign="top"><a id="a4ad4a9eb4439311bb5b7594617dc42da" name="a4ad4a9eb4439311bb5b7594617dc42da"></a>
Result&lt; nlohmann::json &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>iceberg::ToJson</b> (const <a class="el" href="classiceberg_1_1BoundPredicate.html">BoundPredicate</a> &amp;pred)</td></tr>
<tr class="memdesc:a4ad4a9eb4439311bb5b7594617dc42da"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes a <a class="el" href="classiceberg_1_1BoundPredicate.html" title="Bound predicates contain bound terms and can be evaluated.">BoundPredicate</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a4ad4a9eb4439311bb5b7594617dc42da"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:acb542d74e24d4455130e637fc00f83d3" id="r_acb542d74e24d4455130e637fc00f83d3"><td class="memItemLeft" align="right" valign="top">Result&lt; std::unique_ptr&lt; <a class="el" href="classiceberg_1_1UnboundPredicate.html">UnboundPredicate</a> &gt; &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#acb542d74e24d4455130e637fc00f83d3">iceberg::UnboundPredicateFromJson</a> (const nlohmann::json &amp;json, const <a class="el" href="classiceberg_1_1Schema.html">Schema</a> *schema=nullptr)</td></tr>
<tr class="memdesc:acb542d74e24d4455130e637fc00f83d3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deserializes a JSON object into an <a class="el" href="classiceberg_1_1UnboundPredicate.html" title="Non-template base class for all UnboundPredicate instances.">UnboundPredicate</a>. <br /></td></tr>
<tr class="separator:acb542d74e24d4455130e637fc00f83d3"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8f69710234ee7e800e0cc673b495f098" id="r_a8f69710234ee7e800e0cc673b495f098"><td class="memItemLeft" align="right" valign="top">Result&lt; nlohmann::json &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="expression_2json__serde_8cc.html#a8f69710234ee7e800e0cc673b495f098">iceberg::ToJson</a> (const <a class="el" href="classiceberg_1_1Term.html">Term</a> &amp;term)</td></tr>
<tr class="memdesc:a8f69710234ee7e800e0cc673b495f098"><td class="mdescLeft">&#160;</td><td class="mdescRight">Serializes a <a class="el" href="classiceberg_1_1Term.html" title="A term is an expression node that produces a typed value when evaluated.">Term</a> into its JSON representation. <br /></td></tr>
<tr class="separator:a8f69710234ee7e800e0cc673b495f098"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:abd2d5ef567a907eef68ab423684367a9" id="r_abd2d5ef567a907eef68ab423684367a9"><td class="memItemLeft" align="right" valign="top"><a id="abd2d5ef567a907eef68ab423684367a9" name="abd2d5ef567a907eef68ab423684367a9"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><b>iceberg::IsUnaryOperation</b> (<a class="el" href="classiceberg_1_1Expression.html#a433076bdc34ce0b6d359313c6c7b8a9c">Expression::Operation</a> op)</td></tr>
<tr class="memdesc:abd2d5ef567a907eef68ab423684367a9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if an operation is a unary predicate. <br /></td></tr>
<tr class="separator:abd2d5ef567a907eef68ab423684367a9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aebaff55cd36df3533be42fb484179b90" id="r_aebaff55cd36df3533be42fb484179b90"><td class="memItemLeft" align="right" valign="top"><a id="aebaff55cd36df3533be42fb484179b90" name="aebaff55cd36df3533be42fb484179b90"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><b>iceberg::IsSetOperation</b> (<a class="el" href="classiceberg_1_1Expression.html#a433076bdc34ce0b6d359313c6c7b8a9c">Expression::Operation</a> op)</td></tr>
<tr class="memdesc:aebaff55cd36df3533be42fb484179b90"><td class="mdescLeft">&#160;</td><td class="mdescRight">Check if an operation is a set predicate. <br /></td></tr>
<tr class="separator:aebaff55cd36df3533be42fb484179b90"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>JSON serialization and deserialization for expressions. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="add3200e5487734821d06453f467344ba" name="add3200e5487734821d06453f467344ba"></a>
<h2 class="memtitle"><span class="permalink"><a href="#add3200e5487734821d06453f467344ba">&#9670;&#160;</a></span>ExpressionFromJson()</h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; std::shared_ptr&lt; Expression &gt; &gt; iceberg::ExpressionFromJson </td>
<td>(</td>
<td class="paramtype">const nlohmann::json &amp;&#160;</td>
<td class="paramname"><em>json</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1Schema.html">Schema</a> *&#160;</td>
<td class="paramname"><em>schema</em> = <code>nullptr</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Deserializes a JSON object into an Expression. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">json</td><td>A JSON object representing an expression </td></tr>
<tr><td class="paramname">schema</td><td>Optional schema used to bind field references and coerce literal types. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A shared pointer to the deserialized Expression or an error </dd></dl>
</div>
</div>
<a id="a98cd58e54823c306adf10ca097465d9b" name="a98cd58e54823c306adf10ca097465d9b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a98cd58e54823c306adf10ca097465d9b">&#9670;&#160;</a></span>LiteralFromJson() <span class="overload">[1/2]</span></h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; Literal &gt; iceberg::LiteralFromJson </td>
<td>(</td>
<td class="paramtype">const nlohmann::json &amp;&#160;</td>
<td class="paramname"><em>json</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Deserializes a JSON value into a Literal. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">json</td><td>A JSON value representing a literal. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The deserialized Literal or an error. </dd></dl>
</div>
</div>
<a id="a13b2c8dac05045beda393236670b1b62" name="a13b2c8dac05045beda393236670b1b62"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a13b2c8dac05045beda393236670b1b62">&#9670;&#160;</a></span>LiteralFromJson() <span class="overload">[2/2]</span></h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; Literal &gt; iceberg::LiteralFromJson </td>
<td>(</td>
<td class="paramtype">const nlohmann::json &amp;&#160;</td>
<td class="paramname"><em>json</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1Type.html">Type</a> *&#160;</td>
<td class="paramname"><em>type</em>&#160;</td>
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<tr>
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<td>)</td>
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</tr>
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<p>Deserializes a JSON value into a Literal with optional type context. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">json</td><td>A JSON value representing a literal. </td></tr>
<tr><td class="paramname">type</td><td>Optional target type used to guide parsing. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The deserialized Literal or an error. </dd></dl>
</div>
</div>
<a id="a57665e778f0c5a71406a18c70990fd9f" name="a57665e778f0c5a71406a18c70990fd9f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a57665e778f0c5a71406a18c70990fd9f">&#9670;&#160;</a></span>NamedReferenceFromJson()</h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; std::unique_ptr&lt; NamedReference &gt; &gt; iceberg::NamedReferenceFromJson </td>
<td>(</td>
<td class="paramtype">const nlohmann::json &amp;&#160;</td>
<td class="paramname"><em>json</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Deserializes a JSON object into a NamedReference. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">json</td><td>A JSON object representing a named reference </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A shared pointer to the deserialized NamedReference or an error </dd></dl>
</div>
</div>
<a id="a8579d96fb049b4c09d4fcb53101fbede" name="a8579d96fb049b4c09d4fcb53101fbede"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8579d96fb049b4c09d4fcb53101fbede">&#9670;&#160;</a></span>OperationTypeFromJson()</h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; Expression::Operation &gt; iceberg::OperationTypeFromJson </td>
<td>(</td>
<td class="paramtype">const nlohmann::json &amp;&#160;</td>
<td class="paramname"><em>json</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Converts an operation type string to an Expression::Operation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">typeStr</td><td>The operation type string </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The corresponding Operation or an error if unknown </dd></dl>
</div>
</div>
<a id="a51d7dd582b30367e206141f75a8c0704" name="a51d7dd582b30367e206141f75a8c0704"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a51d7dd582b30367e206141f75a8c0704">&#9670;&#160;</a></span>ToJson() <span class="overload">[1/7]</span></h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; nlohmann::json &gt; iceberg::ToJson </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1Expression.html">Expression</a> &amp;&#160;</td>
<td class="paramname"><em>expr</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Serializes an Expression into its JSON representation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">expr</td><td>The expression to serialize </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A JSON object representing the expression, or an error </dd></dl>
</div>
</div>
<a id="a3a06adcca0dce6d66a4228a3a5df04b8" name="a3a06adcca0dce6d66a4228a3a5df04b8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3a06adcca0dce6d66a4228a3a5df04b8">&#9670;&#160;</a></span>ToJson() <span class="overload">[2/7]</span></h2>
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<div class="memproto">
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<td class="memname">ICEBERG_EXPORT Result&lt; nlohmann::json &gt; iceberg::ToJson </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1Literal.html">Literal</a> &amp;&#160;</td>
<td class="paramname"><em>literal</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Serializes a Literal into its JSON representation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">literal</td><td>The literal to serialize </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A JSON value representing the literal, or an error </dd></dl>
</div>
</div>
<a id="a9048bef2dc23f81b35b5ea0ef4bf5d24" name="a9048bef2dc23f81b35b5ea0ef4bf5d24"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9048bef2dc23f81b35b5ea0ef4bf5d24">&#9670;&#160;</a></span>ToJson() <span class="overload">[3/7]</span></h2>
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<td class="memname">ICEBERG_EXPORT nlohmann::json iceberg::ToJson </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1NamedReference.html">NamedReference</a> &amp;&#160;</td>
<td class="paramname"><em>ref</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Serializes a NamedReference into its JSON representation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ref</td><td>The named reference to serialize </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A JSON object representing the named reference, or an error </dd></dl>
</div>
</div>
<a id="a8f69710234ee7e800e0cc673b495f098" name="a8f69710234ee7e800e0cc673b495f098"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8f69710234ee7e800e0cc673b495f098">&#9670;&#160;</a></span>ToJson() <span class="overload">[4/7]</span></h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; nlohmann::json &gt; iceberg::ToJson </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1Term.html">Term</a> &amp;&#160;</td>
<td class="paramname"><em>term</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Serializes a Term into its JSON representation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">term</td><td>The term to serialize (NamedReference or UnboundTransform) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A JSON value representing the term, or an error </dd></dl>
</div>
</div>
<a id="a14d6a466b5a0504289011d22bbb99b57" name="a14d6a466b5a0504289011d22bbb99b57"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a14d6a466b5a0504289011d22bbb99b57">&#9670;&#160;</a></span>ToJson() <span class="overload">[5/7]</span></h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; nlohmann::json &gt; iceberg::ToJson </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1UnboundPredicate.html">UnboundPredicate</a> &amp;&#160;</td>
<td class="paramname"><em>pred</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Serializes an UnboundPredicate into its JSON representation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pred</td><td>The unbound predicate to serialize </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A JSON object representing the predicate, or an error </dd></dl>
</div>
</div>
<a id="a269399dbec2b2addf2595683c98237d5" name="a269399dbec2b2addf2595683c98237d5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a269399dbec2b2addf2595683c98237d5">&#9670;&#160;</a></span>ToJson() <span class="overload">[6/7]</span></h2>
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<td class="memname">ICEBERG_EXPORT nlohmann::json iceberg::ToJson </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1UnboundTransform.html">UnboundTransform</a> &amp;&#160;</td>
<td class="paramname"><em>transform</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Serializes an UnboundTransform into its JSON representation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">transform</td><td>The unbound transform to serialize </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A JSON object representing the unbound transform, or an error </dd></dl>
</div>
</div>
<a id="ae32c9c9422e5ddd5107fab7c4d9a3ec5" name="ae32c9c9422e5ddd5107fab7c4d9a3ec5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae32c9c9422e5ddd5107fab7c4d9a3ec5">&#9670;&#160;</a></span>ToJson() <span class="overload">[7/7]</span></h2>
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<td class="memname">ICEBERG_EXPORT nlohmann::json iceberg::ToJson </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classiceberg_1_1Expression.html#a433076bdc34ce0b6d359313c6c7b8a9c">Expression::Operation</a>&#160;</td>
<td class="paramname"><em>op</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Converts an Expression::Operation to its json representation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">op</td><td>The operation to convert </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The operation type string (e.g., "eq", "lt-eq", "is-null") </dd></dl>
</div>
</div>
<a id="acb542d74e24d4455130e637fc00f83d3" name="acb542d74e24d4455130e637fc00f83d3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acb542d74e24d4455130e637fc00f83d3">&#9670;&#160;</a></span>UnboundPredicateFromJson()</h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; std::unique_ptr&lt; UnboundPredicate &gt; &gt; iceberg::UnboundPredicateFromJson </td>
<td>(</td>
<td class="paramtype">const nlohmann::json &amp;&#160;</td>
<td class="paramname"><em>json</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classiceberg_1_1Schema.html">Schema</a> *&#160;</td>
<td class="paramname"><em>schema</em> = <code>nullptr</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</table>
</div><div class="memdoc">
<p>Deserializes a JSON object into an UnboundPredicate. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">json</td><td>A JSON object representing an unbound predicate </td></tr>
<tr><td class="paramname">schema</td><td>Optional schema used to resolve literal types. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A pointer to the deserialized UnboundPredicate or an error </dd></dl>
</div>
</div>
<a id="a07f27e7ac84b5fada616429b10ff489f" name="a07f27e7ac84b5fada616429b10ff489f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a07f27e7ac84b5fada616429b10ff489f">&#9670;&#160;</a></span>UnboundTransformFromJson()</h2>
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<td class="memname">ICEBERG_EXPORT Result&lt; std::unique_ptr&lt; UnboundTransform &gt; &gt; iceberg::UnboundTransformFromJson </td>
<td>(</td>
<td class="paramtype">const nlohmann::json &amp;&#160;</td>
<td class="paramname"><em>json</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Deserializes a JSON object into an UnboundTransform. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">json</td><td>A JSON object representing an unbound transform </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>A shared pointer to the deserialized UnboundTransform or an error </dd></dl>
</div>
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