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<div class="title">SetStmt.java</div> </div>
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<a href="SetStmt_8java.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">package </span>com.cloudera.impala.analysis;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TSetQueryOptionRequest;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">import</span> com.google.common.base.Preconditions;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html"> 23</a></span>&#160;<span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html">SetStmt</a> <span class="keyword">extends</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1StatementBase.html">StatementBase</a> {</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3"> 24</a></span>&#160; <span class="keyword">private</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3">key_</a>;</div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acf8d8dbf4feae9dc6e13efbac9726b0f"> 25</a></span>&#160; <span class="keyword">private</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acf8d8dbf4feae9dc6e13efbac9726b0f">value_</a>;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="comment">// This key is deprecated in CDH5.2; COMPRESSION_CODEC_KEY replaces this</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a8c69dbe88c2430f1cc7117431cac0c6e"> 28</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a8c69dbe88c2430f1cc7117431cac0c6e">DEPRECATED_PARQUET_CODEC_KEY</a> = <span class="stringliteral">&quot;PARQUET_COMPRESSION_CODEC&quot;</span>;</div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a05de310a87d6c7e0ee1f02dea86a771a"> 29</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a05de310a87d6c7e0ee1f02dea86a771a">COMPRESSION_CODEC_KEY</a> = <span class="stringliteral">&quot;COMPRESSION_CODEC&quot;</span>;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; <span class="comment">// maps the given key name to a key defined in the thrift file</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#ad7127d36f31afa525e561cbdc2b65ca3"> 32</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#ad7127d36f31afa525e561cbdc2b65ca3">resolveThriftKey</a>(String key) {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="keywordflow">if</span> (key.toLowerCase().equals(DEPRECATED_PARQUET_CODEC_KEY.toLowerCase())) {</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a05de310a87d6c7e0ee1f02dea86a771a">COMPRESSION_CODEC_KEY</a>;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; }</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; <span class="keywordflow">return</span> key;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; }</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#abca345bfe285b7e98787af594917b7d7"> 39</a></span>&#160; <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#abca345bfe285b7e98787af594917b7d7">SetStmt</a>(String key, String value) {</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; Preconditions.checkArgument((key == null) == (value == null));</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; Preconditions.checkArgument(key == null || !key.isEmpty());</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3">key_</a> = key;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acf8d8dbf4feae9dc6e13efbac9726b0f">value_</a> = value;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; }</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; @Override</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acc38b9f5fe77ca43030bb62630900d95"> 47</a></span>&#160; <span class="keyword">public</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acc38b9f5fe77ca43030bb62630900d95">toSql</a>() {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3">key_</a> == null) <span class="keywordflow">return</span> <span class="stringliteral">&quot;SET&quot;</span>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; Preconditions.checkNotNull(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acf8d8dbf4feae9dc6e13efbac9726b0f">value_</a>);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">return</span> <span class="stringliteral">&quot;SET &quot;</span> + ToSqlUtils.getIdentSql(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3">key_</a>) + <span class="stringliteral">&quot;=&#39;&quot;</span> + <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acf8d8dbf4feae9dc6e13efbac9726b0f">value_</a> + <span class="stringliteral">&quot;&#39;&quot;</span>;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; @Override</div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#ab688ac09fc8cc9ec557f42f2dce25d42"> 54</a></span>&#160; <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#ab688ac09fc8cc9ec557f42f2dce25d42">analyze</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Analyzer.html">Analyzer</a> analyzer) {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="comment">// Query option key is validated by the backend.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a4af4790f11a6869b273dbfcb642992ae"> 58</a></span>&#160; <span class="keyword">public</span> TSetQueryOptionRequest <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a4af4790f11a6869b273dbfcb642992ae">toThrift</a>() {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; TSetQueryOptionRequest request = <span class="keyword">new</span> TSetQueryOptionRequest();</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3">key_</a> != null) {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; request.setKey(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#ad7127d36f31afa525e561cbdc2b65ca3">resolveThriftKey</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3">key_</a>));</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; request.setValue(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acf8d8dbf4feae9dc6e13efbac9726b0f">value_</a>);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordflow">return</span> request;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;}</div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_a4af4790f11a6869b273dbfcb642992ae"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a4af4790f11a6869b273dbfcb642992ae">com.cloudera.impala.analysis.SetStmt.toThrift</a></div><div class="ttdeci">TSetQueryOptionRequest toThrift()</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00058">SetStmt.java:58</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_a05de310a87d6c7e0ee1f02dea86a771a"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a05de310a87d6c7e0ee1f02dea86a771a">com.cloudera.impala.analysis.SetStmt.COMPRESSION_CODEC_KEY</a></div><div class="ttdeci">static final String COMPRESSION_CODEC_KEY</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00029">SetStmt.java:29</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_ad7127d36f31afa525e561cbdc2b65ca3"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#ad7127d36f31afa525e561cbdc2b65ca3">com.cloudera.impala.analysis.SetStmt.resolveThriftKey</a></div><div class="ttdeci">static String resolveThriftKey(String key)</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00032">SetStmt.java:32</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_ab688ac09fc8cc9ec557f42f2dce25d42"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#ab688ac09fc8cc9ec557f42f2dce25d42">com.cloudera.impala.analysis.SetStmt.analyze</a></div><div class="ttdeci">void analyze(Analyzer analyzer)</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00054">SetStmt.java:54</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1StatementBase_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1StatementBase.html">com.cloudera.impala.analysis.StatementBase</a></div><div class="ttdef"><b>Definition:</b> <a href="StatementBase_8java_source.html#l00022">StatementBase.java:22</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_a600da08a81ca644a108a2acb56cee7f3"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a600da08a81ca644a108a2acb56cee7f3">com.cloudera.impala.analysis.SetStmt.key_</a></div><div class="ttdeci">final String key_</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00024">SetStmt.java:24</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_acc38b9f5fe77ca43030bb62630900d95"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acc38b9f5fe77ca43030bb62630900d95">com.cloudera.impala.analysis.SetStmt.toSql</a></div><div class="ttdeci">String toSql()</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00047">SetStmt.java:47</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_acf8d8dbf4feae9dc6e13efbac9726b0f"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#acf8d8dbf4feae9dc6e13efbac9726b0f">com.cloudera.impala.analysis.SetStmt.value_</a></div><div class="ttdeci">final String value_</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00025">SetStmt.java:25</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Analyzer_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Analyzer.html">com.cloudera.impala.analysis.Analyzer</a></div><div class="ttdef"><b>Definition:</b> <a href="Analyzer_8java_source.html#l00105">Analyzer.java:105</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html">com.cloudera.impala.analysis.SetStmt</a></div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00023">SetStmt.java:23</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_abca345bfe285b7e98787af594917b7d7"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#abca345bfe285b7e98787af594917b7d7">com.cloudera.impala.analysis.SetStmt.SetStmt</a></div><div class="ttdeci">SetStmt(String key, String value)</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00039">SetStmt.java:39</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt_html_a8c69dbe88c2430f1cc7117431cac0c6e"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1SetStmt.html#a8c69dbe88c2430f1cc7117431cac0c6e">com.cloudera.impala.analysis.SetStmt.DEPRECATED_PARQUET_CODEC_KEY</a></div><div class="ttdeci">static final String DEPRECATED_PARQUET_CODEC_KEY</div><div class="ttdef"><b>Definition:</b> <a href="SetStmt_8java_source.html#l00028">SetStmt.java:28</a></div></div>
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