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<div class="title">jni-util.h File Reference</div> </div>
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<div class="textblock"><code>#include &lt;jni.h&gt;</code><br/>
<code>#include &lt;string&gt;</code><br/>
<code>#include &lt;vector&gt;</code><br/>
<code>#include &quot;<a class="el" href="status_8h_source.html">common/status.h</a>&quot;</code><br/>
<code>#include &quot;gen-cpp/Frontend_types.h&quot;</code><br/>
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<tr class="memitem:ac6d6cbef676d753f1a2f05a2686e6194"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="jni-util_8h.html#ac6d6cbef676d753f1a2f05a2686e6194">EXIT_IF_EXC</a>(env)</td></tr>
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<tr class="memitem:a2070c5a22a08170e919312a008ce0ce7"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="jni-util_8h.html#a2070c5a22a08170e919312a008ce0ce7">RETURN_ERROR_IF_EXC</a>(env)</td></tr>
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<tr class="memitem:abee9e150fe8fd025e901b7bbeac19d02"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="jni-util_8h.html#abee9e150fe8fd025e901b7bbeac19d02">EXIT_IF_JNIERROR</a>(stmt)</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a5469ac47d225e5773fe76593a75f29c6"><td class="memItemLeft" align="right" valign="top">JNIEnv *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="jni-util_8h.html#a5469ac47d225e5773fe76593a75f29c6">getJNIEnv</a> (void)</td></tr>
<tr class="memdesc:a5469ac47d225e5773fe76593a75f29c6"><td class="mdescLeft">&#160;</td><td class="mdescRight">C linkage for helper functions in hdfsJniHelper.h. <a href="#a5469ac47d225e5773fe76593a75f29c6">More...</a><br/></td></tr>
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<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define EXIT_IF_EXC</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">env</td><td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</div>
<div class="line"> if (exc != NULL) { \</div>
<div class="line"> jstring stack = (jstring) env-&gt;CallStaticObjectMethod(JniUtil::jni_util_class(), \</div>
<div class="line"> (JniUtil::throwable_to_stack_trace_id()), exc); \</div>
<div class="line"> jboolean is_copy; \</div>
<div class="line"> const <span class="keywordtype">char</span>* c_stack = \</div>
<div class="line"> reinterpret_cast&lt;<span class="keyword">const</span> <span class="keywordtype">char</span>*&gt;((env)-&gt;GetStringUTFChars(stack, &amp;is_copy)); \</div>
<div class="line"> LOG(ERROR) &lt;&lt; string(c_stack); \</div>
<div class="line"> exit(1); \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00085">85</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
<p>Referenced by <a class="el" href="catalog_8cc_source.html#l00039">impala::Catalog::Catalog()</a>, <a class="el" href="frontend_8cc_source.html#l00054">impala::Frontend::Frontend()</a>, <a class="el" href="fe-support_8cc_source.html#l00346">impala::InitFeSupport()</a>, <a class="el" href="logging-support_8cc_source.html#l00073">impala::InitJvmLoggingSupport()</a>, <a class="el" href="expr-benchmark_8cc_source.html#l00040">Planner::Planner()</a>, and <a class="el" href="request-pool-service_8cc_source.html#l00067">impala::RequestPoolService::RequestPoolService()</a>.</p>
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<td class="memname">#define EXIT_IF_JNIERROR</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">stmt</td><td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> if ((stmt) != JNI_OK) { \</div>
<div class="line"> cerr &lt;&lt; #stmt &lt;&lt; <span class="stringliteral">&quot; resulted in a jni error&quot;</span>; \</div>
<div class="line"> exit(1); \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00105">105</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
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<td class="memname">#define RETURN_ERROR_IF_EXC</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">env</td><td>)</td>
<td></td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</div>
<div class="line"> if (exc != NULL) return JniUtil::GetJniExceptionMsg(env);\</div>
<div class="line"> } while (false)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00099">99</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
<p>Referenced by <a class="el" href="hbase-table-writer_8cc_source.html#l00112">impala::HBaseTableWriter::AppendRowBatch()</a>, <a class="el" href="external-data-source-executor_8cc_source.html#l00086">CallJniMethod()</a>, <a class="el" href="jni-util_8h_source.html#l00231">impala::JniUtil::CallJniMethod()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00199">impala::HBaseTableWriter::CleanUpJni()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00254">impala::HBaseTableWriter::CreateByteArray()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00229">impala::HBaseTableWriter::CreatePut()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00219">impala::HBaseTableWriter::CreatePutList()</a>, <a class="el" href="expr-benchmark_8cc_source.html#l00056">Planner::GeneratePlan()</a>, <a class="el" href="catalog_8cc_source.html#l00087">impala::Catalog::GetAllCatalogObjects()</a>, <a class="el" href="jni-util_8cc_source.html#l00056">impala::JniUtil::GetGlobalClassRef()</a>, <a class="el" href="hbase-table_8cc_source.html#l00132">impala::HBaseTable::GetResultScanner()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00622">impala::HBaseTableScanner::GetRowKey()</a>, <a class="el" href="hbase-table_8cc_source.html#l00068">impala::HBaseTable::Init()</a>, <a class="el" href="hbase-table-factory_8cc_source.html#l00032">impala::HBaseTableFactory::Init()</a>, <a class="el" href="external-data-source-executor_8cc_source.html#l00035">impala::ExternalDataSourceExecutor::Init()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00113">impala::HBaseTableScanner::Init()</a>, <a class="el" href="hbase-table_8cc_source.html#l00092">impala::HBaseTable::InitJNI()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00089">impala::HBaseTableWriter::InitJNI()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00445">impala::HBaseTableScanner::InitScanRange()</a>, <a class="el" href="jni-util_8cc_source.html#l00193">impala::JniUtil::LoadJniMethod()</a>, <a class="el" href="jni-util_8cc_source.html#l00067">impala::JniUtil::LocalToGlobalRef()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00501">impala::HBaseTableScanner::Next()</a>, <a class="el" href="hive-udf-call_8cc_source.html#l00176">impala::HiveUdfCall::Open()</a>, <a class="el" href="hbase-table_8cc_source.html#l00143">impala::HBaseTable::Put()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00290">impala::HBaseTableScanner::ScanSetup()</a>, <a class="el" href="jni-thrift-util_8h_source.html#l00027">impala::SerializeThriftMsg()</a>, <a class="el" href="frontend_8cc_source.html#l00228">impala::Frontend::SetCatalogInitialized()</a>, and <a class="el" href="frontend_8cc_source.html#l00183">impala::Frontend::ValidateSettings()</a>.</p>
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<td class="memname">#define RETURN_IF_EXC</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">env</td><td>)</td>
<td></td>
</tr>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</div>
<div class="line"> if (exc != NULL) { \</div>
<div class="line"> jstring stack = (jstring) env-&gt;CallStaticObjectMethod(JniUtil::jni_util_class(), \</div>
<div class="line"> (JniUtil::throwable_to_stack_trace_id()), exc); \</div>
<div class="line"> jboolean is_copy; \</div>
<div class="line"> const <span class="keywordtype">char</span>* c_stack = \</div>
<div class="line"> reinterpret_cast&lt;<span class="keyword">const</span> <span class="keywordtype">char</span>*&gt;((env)-&gt;GetStringUTFChars(stack, &amp;is_copy)); \</div>
<div class="line"> VLOG(1) &lt;&lt; string(c_stack); \</div>
<div class="line"> return; \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00071">71</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
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<td class="memname">#define RETURN_IF_JNIERROR</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> if ((stmt) != JNI_OK) { \</div>
<div class="line"> stringstream out; \</div>
<div class="line"> out &lt;&lt; #stmt &lt;&lt; <span class="stringliteral">&quot; resulted in a jni error&quot;</span>; \</div>
<div class="line"> return Status(out.str()); \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00113">113</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
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<td class="memname">#define THROW_IF_ERROR</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">stmt, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">env, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname">impala_exc_cl&#160;</td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> Status status = (stmt); \</div>
<div class="line"> if (!status.ok()) { \</div>
<div class="line"> (env)-&gt;ThrowNew((impala_exc_cl), status.GetDetail().c_str()); \</div>
<div class="line"> return; \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00037">37</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
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<td class="memname">#define THROW_IF_ERROR_RET</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">stmt, </td>
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<td class="paramkey"></td>
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<td class="paramname">env, </td>
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<td class="paramkey"></td>
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<td class="paramtype">&#160;</td>
<td class="paramname">impala_exc_cl, </td>
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<td class="paramtype">&#160;</td>
<td class="paramname">ret&#160;</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> Status status = (stmt); \</div>
<div class="line"> if (!status.ok()) { \</div>
<div class="line"> (env)-&gt;ThrowNew((impala_exc_cl), status.GetDetail().c_str()); \</div>
<div class="line"> return (ret); \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00046">46</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
<p>Referenced by <a class="el" href="fe-support_8cc_source.html#l00238">Java_com_cloudera_impala_service_FeSupport_NativeCacheJar()</a>, <a class="el" href="fe-support_8cc_source.html#l00072">Java_com_cloudera_impala_service_FeSupport_NativeEvalConstExprs()</a>, <a class="el" href="fe-support_8cc_source.html#l00305">Java_com_cloudera_impala_service_FeSupport_NativeGetStartupOptions()</a>, <a class="el" href="fe-support_8cc_source.html#l00258">Java_com_cloudera_impala_service_FeSupport_NativeLookupSymbol()</a>, and <a class="el" href="fe-support_8cc_source.html#l00281">Java_com_cloudera_impala_service_FeSupport_NativePrioritizeLoad()</a>.</p>
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<td class="memname">#define THROW_IF_ERROR_WITH_LOGGING</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">stmt, </td>
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<td class="paramtype">&#160;</td>
<td class="paramname">env, </td>
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<td class="paramtype">&#160;</td>
<td class="paramname">adaptor&#160;</td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> Status status = (stmt); \</div>
<div class="line"> if (!status.ok()) { \</div>
<div class="line"> (adaptor)-&gt;WriteErrorLog(); \</div>
<div class="line"> (adaptor)-&gt;WriteFileErrors(); \</div>
<div class="line"> (env)-&gt;ThrowNew((adaptor)-&gt;impala_exc_cl(), status.GetDetail().c_str()); \</div>
<div class="line"> return; \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00026">26</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
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<td class="memname">#define THROW_IF_EXC</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname">env, </td>
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<td class="paramkey"></td>
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<td class="paramtype">&#160;</td>
<td class="paramname">exc_class&#160;</td>
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<td>)</td>
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<b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div>
<div class="line"> jthrowable exc = (env)-&gt;ExceptionOccurred(); \</div>
<div class="line"> if (exc != NULL) { \</div>
<div class="line"> DCHECK((throwable_to_string_id_) != NULL); \</div>
<div class="line"> jstring stack = (jstring) env-&gt;CallStaticObjectMethod(JniUtil::jni_util_class(), \</div>
<div class="line"> (JniUtil::throwable_to_stack_trace_id()), exc); \</div>
<div class="line"> jboolean is_copy; \</div>
<div class="line"> const <span class="keywordtype">char</span>* c_stack = \</div>
<div class="line"> reinterpret_cast&lt;<span class="keyword">const</span> <span class="keywordtype">char</span>*&gt;((env)-&gt;GetStringUTFChars(stack, &amp;is_copy)); \</div>
<div class="line"> (env)-&gt;ExceptionClear(); \</div>
<div class="line"> (env)-&gt;ThrowNew((exc_class), c_stack); \</div>
<div class="line"> return; \</div>
<div class="line"> } \</div>
<div class="line"> } <span class="keywordflow">while</span> (<span class="keyword">false</span>)</div>
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<p>Definition at line <a class="el" href="jni-util_8h_source.html#l00055">55</a> of file <a class="el" href="jni-util_8h_source.html">jni-util.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">JNIEnv* getJNIEnv </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
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<p>C linkage for helper functions in hdfsJniHelper.h. </p>
<p>Referenced by <a class="el" href="hbase-table-writer_8cc_source.html#l00112">impala::HBaseTableWriter::AppendRowBatch()</a>, <a class="el" href="external-data-source-executor_8cc_source.html#l00086">CallJniMethod()</a>, <a class="el" href="jni-util_8h_source.html#l00231">impala::JniUtil::CallJniMethod()</a>, <a class="el" href="catalog_8cc_source.html#l00039">impala::Catalog::Catalog()</a>, <a class="el" href="jni-util_8cc_source.html#l00147">impala::JniUtil::Cleanup()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00199">impala::HBaseTableWriter::CleanUpJni()</a>, <a class="el" href="hbase-table_8cc_source.html#l00047">impala::HBaseTable::Close()</a>, <a class="el" href="hbase-scan-node_8cc_source.html#l00277">impala::HBaseScanNode::Close()</a>, <a class="el" href="external-data-source-executor_8cc_source.html#l00111">impala::ExternalDataSourceExecutor::Close()</a>, <a class="el" href="hive-udf-call_8cc_source.html#l00232">impala::HiveUdfCall::Close()</a>, <a class="el" href="hive-udf-call_8cc_source.html#l00074">impala::HiveUdfCall::Evaluate()</a>, <a class="el" href="frontend_8cc_source.html#l00054">impala::Frontend::Frontend()</a>, <a class="el" href="expr-benchmark_8cc_source.html#l00056">Planner::GeneratePlan()</a>, <a class="el" href="catalog_8cc_source.html#l00087">impala::Catalog::GetAllCatalogObjects()</a>, <a class="el" href="catalog_8cc_source.html#l00079">impala::Catalog::GetCatalogVersion()</a>, <a class="el" href="hbase-scan-node_8cc_source.html#l00147">impala::HBaseScanNode::GetNext()</a>, <a class="el" href="hbase-table_8cc_source.html#l00132">impala::HBaseTable::GetResultScanner()</a>, <a class="el" href="hbase-table_8cc_source.html#l00068">impala::HBaseTable::Init()</a>, <a class="el" href="hbase-table-factory_8cc_source.html#l00032">impala::HBaseTableFactory::Init()</a>, <a class="el" href="external-data-source-executor_8cc_source.html#l00035">impala::ExternalDataSourceExecutor::Init()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00052">impala::HBaseTableWriter::Init()</a>, <a class="el" href="hbase-table-scanner_8cc_source.html#l00113">impala::HBaseTableScanner::Init()</a>, <a class="el" href="jni-util_8cc_source.html#l00074">impala::JniUtil::Init()</a>, <a class="el" href="fe-support_8cc_source.html#l00346">impala::InitFeSupport()</a>, <a class="el" href="hbase-table_8cc_source.html#l00092">impala::HBaseTable::InitJNI()</a>, <a class="el" href="hbase-table-writer_8cc_source.html#l00089">impala::HBaseTableWriter::InitJNI()</a>, <a class="el" href="logging-support_8cc_source.html#l00073">impala::InitJvmLoggingSupport()</a>, <a class="el" href="hbase-scan-node_8cc_source.html#l00117">impala::HBaseScanNode::Open()</a>, <a class="el" href="hive-udf-call_8cc_source.html#l00176">impala::HiveUdfCall::Open()</a>, <a class="el" href="expr-benchmark_8cc_source.html#l00040">Planner::Planner()</a>, <a class="el" href="hbase-table_8cc_source.html#l00143">impala::HBaseTable::Put()</a>, <a class="el" href="request-pool-service_8cc_source.html#l00067">impala::RequestPoolService::RequestPoolService()</a>, <a class="el" href="frontend_8cc_source.html#l00228">impala::Frontend::SetCatalogInitialized()</a>, <a class="el" href="frontend_8cc_source.html#l00183">impala::Frontend::ValidateSettings()</a>, and <a class="el" href="hbase-table-factory_8cc_source.html#l00093">impala::HBaseTableFactory::~HBaseTableFactory()</a>.</p>
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