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| <div class="textblock"><code>#include "<a class="el" href="cast-functions_8h_source.html">exprs/cast-functions.h</a>"</code><br/> |
| <code>#include <boost/lexical_cast.hpp></code><br/> |
| <code>#include "<a class="el" href="anyval-util_8h_source.html">exprs/anyval-util.h</a>"</code><br/> |
| <code>#include "<a class="el" href="decimal-functions_8h_source.html">exprs/decimal-functions.h</a>"</code><br/> |
| <code>#include "<a class="el" href="timestamp-value_8h_source.html">runtime/timestamp-value.h</a>"</code><br/> |
| <code>#include "<a class="el" href="string-parser_8h_source.html">util/string-parser.h</a>"</code><br/> |
| <code>#include "<a class="el" href="string-functions_8h_source.html">string-functions.h</a>"</code><br/> |
| <code>#include "<a class="el" href="names_8h_source.html">common/names.h</a>"</code><br/> |
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| <p><a href="cast-functions_8cc_source.html">Go to the source code of this file.</a></p> |
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| Macros</h2></td></tr> |
| <tr class="memitem:af39759b7a6880a3a2e4290093bc5b82a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#af39759b7a6880a3a2e4290093bc5b82a">CAST_FUNCTION</a>(from_type, to_type)</td></tr> |
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| <tr class="memitem:a0ed45857f60041ffa277559d65a7aa9b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a0ed45857f60041ffa277559d65a7aa9b">CAST_FROM_STRING</a>(num_type, native_type, string_parser_fn)</td></tr> |
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| <tr class="memitem:aa12bcec979dde859172567d3368d3487"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#aa12bcec979dde859172567d3368d3487">CAST_TO_STRING</a>(num_type)</td></tr> |
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| <tr class="memitem:ae97ff15be0bce4ea760a8c4ffc3af380"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#ae97ff15be0bce4ea760a8c4ffc3af380">CAST_FLOAT_TO_STRING</a>(float_type, format)</td></tr> |
| <tr class="separator:ae97ff15be0bce4ea760a8c4ffc3af380"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a758b9e14dc11d807209ecc156880363c"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a758b9e14dc11d807209ecc156880363c">CAST_FROM_TIMESTAMP</a>(to_type)</td></tr> |
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| <tr class="memitem:ace229d34c7454f6aceb7c5ae7ef824cf"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#ace229d34c7454f6aceb7c5ae7ef824cf">CAST_FROM_SUBSECOND_TIMESTAMP</a>(to_type)</td></tr> |
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| <tr class="memitem:a8e39d281fe9aef1694757539960832ec"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a8e39d281fe9aef1694757539960832ec">CAST_TO_TIMESTAMP</a>(from_type)</td></tr> |
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| Functions</h2></td></tr> |
| <tr class="memitem:a4b218e9d8d48163324873b6d7f720983"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a4b218e9d8d48163324873b6d7f720983">CAST_TO_STRING</a> (<a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a>)</td></tr> |
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| <tr class="memitem:a88f5bc950d08fc2a84105ab55e51a5a3"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a88f5bc950d08fc2a84105ab55e51a5a3">CAST_TO_STRING</a> (<a class="el" href="structimpala__udf_1_1SmallIntVal.html">SmallIntVal</a>)</td></tr> |
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| <tr class="memitem:a0854d2bdbf735bd3b6f510e09b58307c"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a0854d2bdbf735bd3b6f510e09b58307c">CAST_FLOAT_TO_STRING</a> (<a class="el" href="structimpala__udf_1_1FloatVal.html">FloatVal</a>,"%.9g")</td></tr> |
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| <tr class="memitem:aebd6838d8f3cc3336515b8fe6a09e84f"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#aebd6838d8f3cc3336515b8fe6a09e84f">CAST_FLOAT_TO_STRING</a> (<a class="el" href="structimpala__udf_1_1DoubleVal.html">DoubleVal</a>,"%.17g")</td></tr> |
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| <tr class="memitem:a017c9457084743bc2e7f346cdc54858f"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a017c9457084743bc2e7f346cdc54858f">CAST_FROM_TIMESTAMP</a> (<a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a>)</td></tr> |
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| <tr class="memitem:ae050f953dbb192558c3ed6cef7a36e31"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#ae050f953dbb192558c3ed6cef7a36e31">CAST_FROM_TIMESTAMP</a> (<a class="el" href="structimpala__udf_1_1TinyIntVal.html">TinyIntVal</a>)</td></tr> |
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| <tr class="memitem:a2e9b24b8c3304f030e87eaae6b9e0ad5"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a2e9b24b8c3304f030e87eaae6b9e0ad5">CAST_FROM_TIMESTAMP</a> (<a class="el" href="structimpala__udf_1_1BigIntVal.html">BigIntVal</a>)</td></tr> |
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| <tr class="memitem:a7ceb7ee684c474a9bc363457630e6c37"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a7ceb7ee684c474a9bc363457630e6c37">CAST_FROM_SUBSECOND_TIMESTAMP</a> (<a class="el" href="structimpala__udf_1_1FloatVal.html">FloatVal</a>)</td></tr> |
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| Variables</h2></td></tr> |
| <tr class="memitem:a8828a8adc682d6de000b738a2bac9b3b"><td class="memItemLeft" align="right" valign="top">const int </td><td class="memItemRight" valign="bottom"><a class="el" href="cast-functions_8cc.html#a8828a8adc682d6de000b738a2bac9b3b">MAX_FLOAT_CHARS</a> = 24</td></tr> |
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| <h2 class="groupheader">Macro Definition Documentation</h2> |
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| <td class="memname">#define CAST_FLOAT_TO_STRING</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">float_type, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">format </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a> CastFunctions::CastToStringVal(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* ctx, <span class="keyword">const</span> float_type& val) { \</div> |
| <div class="line"> if (val.is_null) return <a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a>::null(); \</div> |
| <div class="line"> <span class="comment">/* val.val could be -nan, return "nan" instead */</span> \</div> |
| <div class="line"> if (isnan(val.val)) return <a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a>("nan"); \</div> |
| <div class="line"> <span class="comment">/* Add 1 to MAX_FLOAT_CHARS since snprintf adds a trailing '\0' */</span> \</div> |
| <div class="line"> <a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a> sv(ctx, <a class="code" href="cast-functions_8cc.html#a8828a8adc682d6de000b738a2bac9b3b">MAX_FLOAT_CHARS</a> + 1); \</div> |
| <div class="line"> sv.len = snprintf(reinterpret_cast<<span class="keywordtype">char</span>*>(sv.ptr), sv.len, format, val.val); \</div> |
| <div class="line"> DCHECK_GT(sv.len, 0); \</div> |
| <div class="line"> DCHECK_LE(sv.len, MAX_FLOAT_CHARS); \</div> |
| <div class="line"> <a class="code" href="structimpala_1_1ColumnType.html">ColumnType</a> return_type = <a class="code" href="classimpala_1_1AnyValUtil.html">AnyValUtil</a>::TypeDescToColumnType(ctx->GetReturnType()); \</div> |
| <div class="line"> <a class="code" href="classimpala_1_1AnyValUtil.html">AnyValUtil</a>::TruncateIfNecessary(return_type, &sv); \</div> |
| <div class="line"> return sv; \</div> |
| <div class="line"> }</div> |
| <div class="ttc" id="classimpala_1_1AnyValUtil_html"><div class="ttname"><a href="classimpala_1_1AnyValUtil.html">impala::AnyValUtil</a></div><div class="ttdoc">Utilities for AnyVals. </div><div class="ttdef"><b>Definition:</b> <a href="anyval-util_8h_source.html#l00032">anyval-util.h:32</a></div></div> |
| <div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div> |
| <div class="ttc" id="structimpala__udf_1_1StringVal_html"><div class="ttname"><a href="structimpala__udf_1_1StringVal.html">impala_udf::StringVal</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00521">udf.h:521</a></div></div> |
| <div class="ttc" id="structimpala_1_1ColumnType_html"><div class="ttname"><a href="structimpala_1_1ColumnType.html">impala::ColumnType</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00059">types.h:59</a></div></div> |
| <div class="ttc" id="cast-functions_8cc_html_a8828a8adc682d6de000b738a2bac9b3b"><div class="ttname"><a href="cast-functions_8cc.html#a8828a8adc682d6de000b738a2bac9b3b">MAX_FLOAT_CHARS</a></div><div class="ttdeci">const int MAX_FLOAT_CHARS</div><div class="ttdef"><b>Definition:</b> <a href="cast-functions_8cc_source.html#l00033">cast-functions.cc:33</a></div></div> |
| </div><!-- fragment --> |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00122">122</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a0ed45857f60041ffa277559d65a7aa9b"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define CAST_FROM_STRING</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">num_type, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">native_type, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">string_parser_fn </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">num_type CastFunctions::CastTo##num_type(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* ctx, <span class="keyword">const</span> <a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a>& val) { \</div> |
| <div class="line"> if (val.<a class="code" href="structimpala__udf_1_1AnyVal.html#aded62c6b250c62814c94271856b06cbe">is_null</a>) return num_type::null(); \</div> |
| <div class="line"> <a class="code" href="classimpala_1_1StringParser.html">StringParser</a>::ParseResult result; \</div> |
| <div class="line"> num_type ret; \</div> |
| <div class="line"> ret.val = <a class="code" href="classimpala_1_1StringParser.html">StringParser</a>::string_parser_fn<native_type>( \</div> |
| <div class="line"> reinterpret_cast<<span class="keywordtype">char</span>*>(val.ptr), val.len, &result); \</div> |
| <div class="line"> if (<a class="code" href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a>(result != <a class="code" href="classimpala_1_1StringParser.html">StringParser</a>::PARSE_SUCCESS)) return num_type::null(); \</div> |
| <div class="line"> return ret; \</div> |
| <div class="line"> }</div> |
| <div class="ttc" id="classimpala_1_1StringParser_html"><div class="ttname"><a href="classimpala_1_1StringParser.html">impala::StringParser</a></div><div class="ttdef"><b>Definition:</b> <a href="string-parser_8h_source.html#l00049">string-parser.h:49</a></div></div> |
| <div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div> |
| <div class="ttc" id="structimpala__udf_1_1AnyVal_html_aded62c6b250c62814c94271856b06cbe"><div class="ttname"><a href="structimpala__udf_1_1AnyVal.html#aded62c6b250c62814c94271856b06cbe">impala_udf::AnyVal::is_null</a></div><div class="ttdeci">bool is_null</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00359">udf.h:359</a></div></div> |
| <div class="ttc" id="structimpala__udf_1_1StringVal_html"><div class="ttname"><a href="structimpala__udf_1_1StringVal.html">impala_udf::StringVal</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00521">udf.h:521</a></div></div> |
| <div class="ttc" id="compiler-util_8h_html_a9acc330d508b9a3b775cfdf7ce405e7d"><div class="ttname"><a href="compiler-util_8h.html#a9acc330d508b9a3b775cfdf7ce405e7d">UNLIKELY</a></div><div class="ttdeci">#define UNLIKELY(expr)</div><div class="ttdef"><b>Definition:</b> <a href="compiler-util_8h_source.html#l00033">compiler-util.h:33</a></div></div> |
| </div><!-- fragment --> |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00090">90</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ace229d34c7454f6aceb7c5ae7ef824cf"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define CAST_FROM_SUBSECOND_TIMESTAMP</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">to_type</td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">to_type CastFunctions::CastTo##to_type( \</div> |
| <div class="line"> <a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* ctx, <span class="keyword">const</span> <a class="code" href="structimpala__udf_1_1TimestampVal.html">TimestampVal</a>& val) { \</div> |
| <div class="line"> if (val.<a class="code" href="structimpala__udf_1_1AnyVal.html#aded62c6b250c62814c94271856b06cbe">is_null</a>) return to_type::null(); \</div> |
| <div class="line"> <a class="code" href="classimpala_1_1TimestampValue.html">TimestampValue</a> tv = <a class="code" href="classimpala_1_1TimestampValue.html">TimestampValue</a>::FromTimestampVal(val); \</div> |
| <div class="line"> if (!tv.HasDate()) return to_type::null(); \</div> |
| <div class="line"> return to_type(tv.ToSubsecondUnixTime()); \</div> |
| <div class="line"> }</div> |
| <div class="ttc" id="structimpala__udf_1_1TimestampVal_html"><div class="ttname"><a href="structimpala__udf_1_1TimestampVal.html">impala_udf::TimestampVal</a></div><div class="ttdoc">This object has a compatible storage format with boost::ptime. </div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00495">udf.h:495</a></div></div> |
| <div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div> |
| <div class="ttc" id="structimpala__udf_1_1AnyVal_html_aded62c6b250c62814c94271856b06cbe"><div class="ttname"><a href="structimpala__udf_1_1AnyVal.html#aded62c6b250c62814c94271856b06cbe">impala_udf::AnyVal::is_null</a></div><div class="ttdeci">bool is_null</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00359">udf.h:359</a></div></div> |
| <div class="ttc" id="classimpala_1_1TimestampValue_html"><div class="ttname"><a href="classimpala_1_1TimestampValue.html">impala::TimestampValue</a></div><div class="ttdef"><b>Definition:</b> <a href="timestamp-value_8h_source.html#l00065">timestamp-value.h:65</a></div></div> |
| </div><!-- fragment --> |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00208">208</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a758b9e14dc11d807209ecc156880363c"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define CAST_FROM_TIMESTAMP</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">to_type</td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">to_type CastFunctions::CastTo##to_type( \</div> |
| <div class="line"> <a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* ctx, <span class="keyword">const</span> <a class="code" href="structimpala__udf_1_1TimestampVal.html">TimestampVal</a>& val) { \</div> |
| <div class="line"> if (val.<a class="code" href="structimpala__udf_1_1AnyVal.html#aded62c6b250c62814c94271856b06cbe">is_null</a>) return to_type::null(); \</div> |
| <div class="line"> <a class="code" href="classimpala_1_1TimestampValue.html">TimestampValue</a> tv = <a class="code" href="classimpala_1_1TimestampValue.html">TimestampValue</a>::FromTimestampVal(val); \</div> |
| <div class="line"> if (!tv.HasDate()) return to_type::null(); \</div> |
| <div class="line"> return to_type(tv.ToUnixTime()); \</div> |
| <div class="line"> }</div> |
| <div class="ttc" id="structimpala__udf_1_1TimestampVal_html"><div class="ttname"><a href="structimpala__udf_1_1TimestampVal.html">impala_udf::TimestampVal</a></div><div class="ttdoc">This object has a compatible storage format with boost::ptime. </div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00495">udf.h:495</a></div></div> |
| <div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div> |
| <div class="ttc" id="structimpala__udf_1_1AnyVal_html_aded62c6b250c62814c94271856b06cbe"><div class="ttname"><a href="structimpala__udf_1_1AnyVal.html#aded62c6b250c62814c94271856b06cbe">impala_udf::AnyVal::is_null</a></div><div class="ttdeci">bool is_null</div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00359">udf.h:359</a></div></div> |
| <div class="ttc" id="classimpala_1_1TimestampValue_html"><div class="ttname"><a href="classimpala_1_1TimestampValue.html">impala::TimestampValue</a></div><div class="ttdef"><b>Definition:</b> <a href="timestamp-value_8h_source.html#l00065">timestamp-value.h:65</a></div></div> |
| </div><!-- fragment --> |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00193">193</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="af39759b7a6880a3a2e4290093bc5b82a"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define CAST_FUNCTION</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">from_type, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"> </td> |
| <td class="paramname">to_type </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line">to_type CastFunctions::CastTo##to_type(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* ctx, <span class="keyword">const</span> from_type& val) { \</div> |
| <div class="line"> if (val.is_null) return to_type::null(); \</div> |
| <div class="line"> return to_type(val.val); \</div> |
| <div class="line"> }</div> |
| <div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div> |
| </div><!-- fragment --> |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00035">35</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="aa12bcec979dde859172567d3368d3487"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define CAST_TO_STRING</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">num_type</td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a> CastFunctions::CastToStringVal(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* ctx, <span class="keyword">const</span> num_type& val) { \</div> |
| <div class="line"> if (val.is_null) return <a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a>::null(); \</div> |
| <div class="line"> <a class="code" href="structimpala_1_1ColumnType.html">ColumnType</a> rtype = <a class="code" href="classimpala_1_1AnyValUtil.html">AnyValUtil</a>::TypeDescToColumnType(ctx->GetReturnType()); \</div> |
| <div class="line"> <a class="code" href="structimpala__udf_1_1StringVal.html">StringVal</a> sv = <a class="code" href="classimpala_1_1AnyValUtil.html">AnyValUtil</a>::FromString(ctx, lexical_cast<<span class="keywordtype">string</span>>(val.val)); \</div> |
| <div class="line"> <a class="code" href="classimpala_1_1AnyValUtil.html">AnyValUtil</a>::TruncateIfNecessary(rtype, &sv); \</div> |
| <div class="line"> return sv; \</div> |
| <div class="line"> }</div> |
| <div class="ttc" id="classimpala_1_1AnyValUtil_html"><div class="ttname"><a href="classimpala_1_1AnyValUtil.html">impala::AnyValUtil</a></div><div class="ttdoc">Utilities for AnyVals. </div><div class="ttdef"><b>Definition:</b> <a href="anyval-util_8h_source.html#l00032">anyval-util.h:32</a></div></div> |
| <div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div> |
| <div class="ttc" id="structimpala__udf_1_1StringVal_html"><div class="ttname"><a href="structimpala__udf_1_1StringVal.html">impala_udf::StringVal</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00521">udf.h:521</a></div></div> |
| <div class="ttc" id="structimpala_1_1ColumnType_html"><div class="ttname"><a href="structimpala_1_1ColumnType.html">impala::ColumnType</a></div><div class="ttdef"><b>Definition:</b> <a href="types_8h_source.html#l00059">types.h:59</a></div></div> |
| </div><!-- fragment --> |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00108">108</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a8e39d281fe9aef1694757539960832ec"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">#define CAST_TO_TIMESTAMP</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">from_type</td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <b>Value:</b><div class="fragment"><div class="line"><a class="code" href="structimpala__udf_1_1TimestampVal.html">TimestampVal</a> CastFunctions::CastToTimestampVal(<a class="code" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a>* ctx, \</div> |
| <div class="line"> <span class="keyword">const</span> from_type& val) { \</div> |
| <div class="line"> if (val.is_null) return <a class="code" href="structimpala__udf_1_1TimestampVal.html">TimestampVal</a>::null(); \</div> |
| <div class="line"> <a class="code" href="classimpala_1_1TimestampValue.html">TimestampValue</a> timestamp_value(val.val); \</div> |
| <div class="line"> if (!timestamp_value.HasDate()) return <a class="code" href="structimpala__udf_1_1TimestampVal.html">TimestampVal</a>::null(); \</div> |
| <div class="line"> <a class="code" href="structimpala__udf_1_1TimestampVal.html">TimestampVal</a> result; \</div> |
| <div class="line"> timestamp_value.ToTimestampVal(&result); \</div> |
| <div class="line"> return result; \</div> |
| <div class="line"> }</div> |
| <div class="ttc" id="structimpala__udf_1_1TimestampVal_html"><div class="ttname"><a href="structimpala__udf_1_1TimestampVal.html">impala_udf::TimestampVal</a></div><div class="ttdoc">This object has a compatible storage format with boost::ptime. </div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00495">udf.h:495</a></div></div> |
| <div class="ttc" id="classimpala__udf_1_1FunctionContext_html"><div class="ttname"><a href="classimpala__udf_1_1FunctionContext.html">impala_udf::FunctionContext</a></div><div class="ttdef"><b>Definition:</b> <a href="udf_8h_source.html#l00047">udf.h:47</a></div></div> |
| <div class="ttc" id="classimpala_1_1TimestampValue_html"><div class="ttname"><a href="classimpala_1_1TimestampValue.html">impala::TimestampValue</a></div><div class="ttdef"><b>Definition:</b> <a href="timestamp-value_8h_source.html#l00065">timestamp-value.h:65</a></div></div> |
| </div><!-- fragment --> |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00220">220</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a class="anchor" id="a0854d2bdbf735bd3b6f510e09b58307c"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
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| <td class="memname">CAST_FLOAT_TO_STRING </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structimpala__udf_1_1FloatVal.html">FloatVal</a> </td> |
| <td class="paramname">, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">"%.9g" </td> |
| <td class="paramname"> </td> |
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| <td>)</td> |
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| <td class="memname">CAST_FLOAT_TO_STRING </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structimpala__udf_1_1DoubleVal.html">DoubleVal</a> </td> |
| <td class="paramname">, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">"%.17g" </td> |
| <td class="paramname"> </td> |
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| <td>)</td> |
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| <td class="paramtype"><a class="el" href="structimpala__udf_1_1DoubleVal.html">DoubleVal</a> </td> |
| <td class="paramname"></td><td>)</td> |
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| <td class="memname">CAST_FROM_TIMESTAMP </td> |
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| <td class="memname">CAST_FROM_TIMESTAMP </td> |
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| <td class="paramtype"><a class="el" href="structimpala__udf_1_1TinyIntVal.html">TinyIntVal</a> </td> |
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| <td class="paramtype"><a class="el" href="structimpala__udf_1_1SmallIntVal.html">SmallIntVal</a> </td> |
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| <td class="paramtype"><a class="el" href="structimpala__udf_1_1BooleanVal.html">BooleanVal</a> </td> |
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| <td class="paramtype"><a class="el" href="structimpala__udf_1_1SmallIntVal.html">SmallIntVal</a> </td> |
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| <td class="paramtype"><a class="el" href="structimpala__udf_1_1IntVal.html">IntVal</a> </td> |
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| <td class="paramname"></td><td>)</td> |
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| <td class="memname">CAST_TO_TIMESTAMP </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structimpala__udf_1_1FloatVal.html">FloatVal</a> </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
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| <td class="memname">CAST_TO_TIMESTAMP </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="structimpala__udf_1_1DoubleVal.html">DoubleVal</a> </td> |
| <td class="paramname"></td><td>)</td> |
| <td></td> |
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| </div> |
| <h2 class="groupheader">Variable Documentation</h2> |
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| <td class="memname">const int MAX_FLOAT_CHARS = 24</td> |
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| |
| <p>Definition at line <a class="el" href="cast-functions_8cc_source.html#l00033">33</a> of file <a class="el" href="cast-functions_8cc_source.html">cast-functions.cc</a>.</p> |
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