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| <div class="textblock"><code>#include <assert.h></code><br/> |
| <code>#include <math.h></code><br/> |
| <code>#include <algorithm></code><br/> |
| <code>#include <sstream></code><br/> |
| <code>#include <iostream></code><br/> |
| <code>#include "<a class="el" href="udf_8h_source.html">udf/udf.h</a>"</code><br/> |
| <code>#include "<a class="el" href="names_8h_source.html">common/names.h</a>"</code><br/> |
| </div><div class="textblock"><div class="dynheader"> |
| Include dependency graph for hyperloglog-uda.cc:</div> |
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| <table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> |
| Functions</h2></td></tr> |
| <tr class="memitem:ad0ff2d99278dfa01c8ed24dbf545ae32"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#ad0ff2d99278dfa01c8ed24dbf545ae32">HllInit</a> (<a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> *ctx, <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> *dst)</td></tr> |
| <tr class="separator:ad0ff2d99278dfa01c8ed24dbf545ae32"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a534edfc687e03f750ff4332612b6142d"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classuint64__t.html">uint64_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#a534edfc687e03f750ff4332612b6142d">FnvHash</a> (const void *data, int32_t bytes, <a class="el" href="classuint64__t.html">uint64_t</a> hash)</td></tr> |
| <tr class="separator:a534edfc687e03f750ff4332612b6142d"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:acad87215d091845338b21a13538ef952"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classuint64__t.html">uint64_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#acad87215d091845338b21a13538ef952">Hash</a> (const <a class="el" href="structimpala__udf_1_1IntVal.html">IntVal</a> &v)</td></tr> |
| <tr class="separator:acad87215d091845338b21a13538ef952"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a944efa60517e036f931688cd021d799f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#a944efa60517e036f931688cd021d799f">HllUpdate</a> (<a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> *ctx, const <a class="el" href="structimpala__udf_1_1IntVal.html">IntVal</a> &src, <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> *dst)</td></tr> |
| <tr class="separator:a944efa60517e036f931688cd021d799f"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ae112622a66d49befd4925837a7435f99"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#ae112622a66d49befd4925837a7435f99">HllMerge</a> (<a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> *ctx, const <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> &src, <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> *dst)</td></tr> |
| <tr class="separator:ae112622a66d49befd4925837a7435f99"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ab2ea415edbb6f87e039464e4b9fbc27b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#ab2ea415edbb6f87e039464e4b9fbc27b">HllSerialize</a> (<a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> *ctx, const <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> &src)</td></tr> |
| <tr class="separator:ab2ea415edbb6f87e039464e4b9fbc27b"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:abc438f731c28e8d9ab7264b3d915d403"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#abc438f731c28e8d9ab7264b3d915d403">HllFinalize</a> (<a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> *ctx, const <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> &src)</td></tr> |
| <tr class="separator:abc438f731c28e8d9ab7264b3d915d403"><td class="memSeparator" colspan="2"> </td></tr> |
| </table><table class="memberdecls"> |
| <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a> |
| Variables</h2></td></tr> |
| <tr class="memitem:a9daf82a707210a5b0ea86aa1ac139dc4"><td class="memItemLeft" align="right" valign="top">const int </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#a9daf82a707210a5b0ea86aa1ac139dc4">HLL_PRECISION</a> = 10</td></tr> |
| <tr class="separator:a9daf82a707210a5b0ea86aa1ac139dc4"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a4eb84a6b1e8899cdcc9814951f27a4ae"><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="classuint64__t.html">uint64_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#a4eb84a6b1e8899cdcc9814951f27a4ae">FNV64_PRIME</a> = 1099511628211UL</td></tr> |
| <tr class="separator:a4eb84a6b1e8899cdcc9814951f27a4ae"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a6a1acecdeef9496105781d8486a7193b"><td class="memItemLeft" align="right" valign="top">static const <a class="el" href="classuint64__t.html">uint64_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="hyperloglog-uda_8cc.html#a6a1acecdeef9496105781d8486a7193b">FNV64_SEED</a> = 14695981039346656037UL</td></tr> |
| <tr class="separator:a6a1acecdeef9496105781d8486a7193b"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a class="anchor" id="a534edfc687e03f750ff4332612b6142d"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">static <a class="el" href="classuint64__t.html">uint64_t</a> FnvHash </td> |
| <td>(</td> |
| <td class="paramtype">const void * </td> |
| <td class="paramname"><em>data</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">int32_t </td> |
| <td class="paramname"><em>bytes</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="classuint64__t.html">uint64_t</a> </td> |
| <td class="paramname"><em>hash</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">static</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00047">47</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>References <a class="el" href="hyperloglog-uda_8cc_source.html#l00044">FNV64_PRIME</a>, and <a class="el" href="url-parser_8cc_source.html#l00041">impala::hash</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hyperloglog-uda_8cc_source.html#l00056">Hash()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="acad87215d091845338b21a13538ef952"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">static <a class="el" href="classuint64__t.html">uint64_t</a> Hash </td> |
| <td>(</td> |
| <td class="paramtype">const <a class="el" href="structimpala__udf_1_1IntVal.html">IntVal</a> & </td> |
| <td class="paramname"><em>v</em></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">static</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00056">56</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>References <a class="el" href="hyperloglog-uda_8cc_source.html#l00045">FNV64_SEED</a>, <a class="el" href="hyperloglog-uda_8cc_source.html#l00047">FnvHash()</a>, and <a class="el" href="udf_8h_source.html#l00421">impala_udf::IntVal::val</a>.</p> |
| |
| <p>Referenced by <a class="el" href="anyval-util_8h_source.html#l00034">impala::AnyValUtil::Hash()</a>, <a class="el" href="hyperloglog-uda_8cc_source.html#l00060">HllUpdate()</a>, <a class="el" href="dict-encoding_8h_source.html#l00209">impala::DictEncoder< T >::Put()</a>, and <a class="el" href="llvm-codegen-test_8cc_source.html#l00357">impala::TEST_F()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="abc438f731c28e8d9ab7264b3d915d403"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> HllFinalize </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> * </td> |
| <td class="paramname"><em>ctx</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> & </td> |
| <td class="paramname"><em>src</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00094">94</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>References <a class="el" href="udf_8cc_source.html#l00291">impala_udf::FunctionContext::Free()</a>, <a class="el" href="hyperloglog-uda_8cc_source.html#l00034">HLL_PRECISION</a>, <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, <a class="el" href="udf_8h_source.html#l00522">impala_udf::StringVal::len</a>, and <a class="el" href="udf_8h_source.html#l00523">impala_udf::StringVal::ptr</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ad0ff2d99278dfa01c8ed24dbf545ae32"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void HllInit </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> * </td> |
| <td class="paramname"><em>ctx</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> * </td> |
| <td class="paramname"><em>dst</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00036">36</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>References <a class="el" href="udf_8cc_source.html#l00262">impala_udf::FunctionContext::Allocate()</a>, <a class="el" href="hyperloglog-uda_8cc_source.html#l00034">HLL_PRECISION</a>, <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, <a class="el" href="udf_8h_source.html#l00522">impala_udf::StringVal::len</a>, and <a class="el" href="udf_8h_source.html#l00523">impala_udf::StringVal::ptr</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ae112622a66d49befd4925837a7435f99"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void HllMerge </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> * </td> |
| <td class="paramname"><em>ctx</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> & </td> |
| <td class="paramname"><em>src</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> * </td> |
| <td class="paramname"><em>dst</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00075">75</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>References <a class="el" href="hyperloglog-uda_8cc_source.html#l00034">HLL_PRECISION</a>, <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, <a class="el" href="udf_8h_source.html#l00522">impala_udf::StringVal::len</a>, and <a class="el" href="udf_8h_source.html#l00523">impala_udf::StringVal::ptr</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="ab2ea415edbb6f87e039464e4b9fbc27b"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> HllSerialize </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> * </td> |
| <td class="paramname"><em>ctx</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> & </td> |
| <td class="paramname"><em>src</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00086">86</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>References <a class="el" href="udf_8cc_source.html#l00291">impala_udf::FunctionContext::Free()</a>, <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, <a class="el" href="udf_8h_source.html#l00522">impala_udf::StringVal::len</a>, and <a class="el" href="udf_8h_source.html#l00523">impala_udf::StringVal::ptr</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a944efa60517e036f931688cd021d799f"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void HllUpdate </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="classimpala__udf_1_1FunctionContext.html">FunctionContext</a> * </td> |
| <td class="paramname"><em>ctx</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="structimpala__udf_1_1IntVal.html">IntVal</a> & </td> |
| <td class="paramname"><em>src</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype"><a class="el" href="structimpala__udf_1_1StringVal.html">StringVal</a> * </td> |
| <td class="paramname"><em>dst</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00060">60</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>References <a class="el" href="hyperloglog-uda_8cc_source.html#l00056">Hash()</a>, <a class="el" href="decimal-value_8h_source.html#l00397">impala::hash_value()</a>, <a class="el" href="hyperloglog-uda_8cc_source.html#l00034">HLL_PRECISION</a>, <a class="el" href="gen__ir__descriptions_8py_source.html#l00215">gen_ir_descriptions::idx</a>, <a class="el" href="udf_8h_source.html#l00359">impala_udf::AnyVal::is_null</a>, <a class="el" href="udf_8h_source.html#l00522">impala_udf::StringVal::len</a>, and <a class="el" href="udf_8h_source.html#l00523">impala_udf::StringVal::ptr</a>.</p> |
| |
| </div> |
| </div> |
| <h2 class="groupheader">Variable Documentation</h2> |
| <a class="anchor" id="a4eb84a6b1e8899cdcc9814951f27a4ae"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">const <a class="el" href="classuint64__t.html">uint64_t</a> FNV64_PRIME = 1099511628211UL</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">static</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00044">44</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hyperloglog-uda_8cc_source.html#l00047">FnvHash()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a6a1acecdeef9496105781d8486a7193b"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="mlabels"> |
| <tr> |
| <td class="mlabels-left"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">const <a class="el" href="classuint64__t.html">uint64_t</a> FNV64_SEED = 14695981039346656037UL</td> |
| </tr> |
| </table> |
| </td> |
| <td class="mlabels-right"> |
| <span class="mlabels"><span class="mlabel">static</span></span> </td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00045">45</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hyperloglog-uda_8cc_source.html#l00056">Hash()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a9daf82a707210a5b0ea86aa1ac139dc4"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">const int HLL_PRECISION = 10</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Definition at line <a class="el" href="hyperloglog-uda_8cc_source.html#l00034">34</a> of file <a class="el" href="hyperloglog-uda_8cc_source.html">hyperloglog-uda.cc</a>.</p> |
| |
| <p>Referenced by <a class="el" href="hyperloglog-uda_8cc_source.html#l00094">HllFinalize()</a>, <a class="el" href="hyperloglog-uda_8cc_source.html#l00036">HllInit()</a>, <a class="el" href="hyperloglog-uda_8cc_source.html#l00075">HllMerge()</a>, and <a class="el" href="hyperloglog-uda_8cc_source.html#l00060">HllUpdate()</a>.</p> |
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