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| <div class="title">HdfsTableSink.java</div> </div> |
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| <a href="HdfsTableSink_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> <span class="comment">// Copyright 2012 Cloudera Inc.</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <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> <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> <span class="comment">//</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <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> <span class="comment">//</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <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> <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <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> <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> <span class="comment">// limitations under the License.</span></div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">package </span>com.cloudera.impala.planner;</div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div> |
| <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">import</span> java.util.List;</div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div> |
| <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">com.cloudera.impala.analysis.Expr</a>;</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="keyword">import</span> <a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsFileFormat.html">com.cloudera.impala.catalog.HdfsFileFormat</a>;</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsTable.html">com.cloudera.impala.catalog.HdfsTable</a>;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">com.cloudera.impala.catalog.Table</a>;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1PrintUtils.html">com.cloudera.impala.common.PrintUtils</a>;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TDataSink;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TDataSinkType;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TExplainLevel;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">import</span> com.cloudera.impala.thrift.THdfsTableSink;</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TTableSink;</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">import</span> com.cloudera.impala.thrift.TTableSinkType;</div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">import</span> com.google.common.base.Preconditions;</div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html"> 36</a></span> <span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html">HdfsTableSink</a> <span class="keyword">extends</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1TableSink.html">TableSink</a> {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="comment">// Default number of partitions used for computeCosts() in the absence of column stats.</span></div> |
| <div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a665d2efc22e6b8d5a7a82d99f262134d"> 38</a></span>  <span class="keyword">protected</span> <span class="keyword">final</span> <span class="keywordtype">long</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a665d2efc22e6b8d5a7a82d99f262134d">DEFAULT_NUM_PARTITIONS</a> = 10;</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div> |
| <div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="comment">// Exprs for computing the output partition(s).</span></div> |
| <div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b"> 41</a></span>  <span class="keyword">protected</span> <span class="keyword">final</span> List<Expr> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">partitionKeyExprs_</a>;</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="comment">// Whether to overwrite the existing partition(s).</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a547ef8ae3da1e99b72b2b10878bedd02"> 43</a></span>  <span class="keyword">protected</span> <span class="keyword">final</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a547ef8ae3da1e99b72b2b10878bedd02">overwrite_</a>;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> |
| <div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a82843607d4c4f4ef951dabf8f99721bc"> 45</a></span>  <span class="keyword">public</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a82843607d4c4f4ef951dabf8f99721bc">HdfsTableSink</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">Table</a> targetTable, List<Expr> partitionKeyExprs,</div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">boolean</span> overwrite) {</div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  super(targetTable);</div> |
| <div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  Preconditions.checkState(targetTable instanceof <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsTable.html">HdfsTable</a>);</div> |
| <div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">partitionKeyExprs_</a> = partitionKeyExprs;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a547ef8ae3da1e99b72b2b10878bedd02">overwrite_</a> = overwrite;</div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  @Override</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a460c73625867737fa492d461359d9997"> 54</a></span>  <span class="keyword">public</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a460c73625867737fa492d461359d9997">computeCosts</a>() {</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsTable.html">HdfsTable</a> table = (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsTable.html">HdfsTable</a>) <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1TableSink.html#ade847c6466b7c7d7d32ffa1e888f64f5">targetTable_</a>;</div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="comment">// TODO: Estimate the memory requirements more accurately by partition type.</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsFileFormat.html">HdfsFileFormat</a> format = table.getMajorityFormat();</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1PlanNode.html">PlanNode</a> inputNode = fragment_.getPlanRoot();</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">int</span> numNodes = fragment_.getNumNodes();</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="comment">// Compute the per-host number of partitions, taking the number of nodes</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="comment">// and the data partition of the fragment executing this sink into account.</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">long</span> numPartitions = fragment_.getNumDistinctValues(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">partitionKeyExprs_</a>);</div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">if</span> (numPartitions == -1) numPartitions = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a665d2efc22e6b8d5a7a82d99f262134d">DEFAULT_NUM_PARTITIONS</a>;</div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordtype">long</span> perPartitionMemReq = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a7ef11d21da5b4e62f92492ddceedbb67">getPerPartitionMemReq</a>(format);</div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// The estimate is based purely on the per-partition mem req if the input cardinality_</span></div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// or the avg row size is unknown.</span></div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">if</span> (inputNode.getCardinality() == -1 || inputNode.getAvgRowSize() == -1) {</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1DataSink.html#a8eac91fbb2f8a0add7901fb19dfeba7d">perHostMemCost_</a> = numPartitions * perPartitionMemReq;</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">return</span>;</div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div> |
| <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">// The per-partition estimate may be higher than the memory required to buffer</span></div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// the entire input data.</span></div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">long</span> perHostInputCardinality = Math.max(1L, inputNode.getCardinality() / numNodes);</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">long</span> perHostInputBytes =</div> |
| <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  (long) Math.ceil(perHostInputCardinality * inputNode.getAvgRowSize());</div> |
| <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1DataSink.html#a8eac91fbb2f8a0add7901fb19dfeba7d">perHostMemCost_</a> = Math.min(perHostInputBytes, numPartitions * perPartitionMemReq);</div> |
| <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  }</div> |
| <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div> |
| <div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a7ef11d21da5b4e62f92492ddceedbb67"> 85</a></span>  <span class="keyword">private</span> <span class="keywordtype">long</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a7ef11d21da5b4e62f92492ddceedbb67">getPerPartitionMemReq</a>(<a class="code" href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsFileFormat.html">HdfsFileFormat</a> format) {</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">switch</span> (format) {</div> |
| <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// Writing to a Parquet table requires up to 1GB of buffer per partition.</span></div> |
| <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="comment">// TODO: The per-partition memory requirement is configurable in the QueryOptions.</span></div> |
| <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">case</span> PARQUET: <span class="keywordflow">return</span> 1024L * 1024L * 1024L;</div> |
| <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">case</span> TEXT: <span class="keywordflow">return</span> 100L * 1024L;</div> |
| <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">default</span>:</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  Preconditions.checkState(<span class="keyword">false</span>, <span class="stringliteral">"Unsupported TableSink format "</span> +</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  format.toString());</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">return</span> 0;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> |
| <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  @Override</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#ac2be04e0d05c1aea32f6335eda56e5c4"> 99</a></span>  <span class="keyword">public</span> String <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#ac2be04e0d05c1aea32f6335eda56e5c4">getExplainString</a>(String prefix, String detailPrefix,</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  TExplainLevel explainLevel) {</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  StringBuilder output = <span class="keyword">new</span> StringBuilder();</div> |
| <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  String overwriteStr = <span class="stringliteral">", OVERWRITE="</span> + (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a547ef8ae3da1e99b72b2b10878bedd02">overwrite_</a> ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>);</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  String partitionKeyStr = <span class="stringliteral">""</span>;</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (!<a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">partitionKeyExprs_</a>.isEmpty()) {</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  StringBuilder tmpBuilder = <span class="keyword">new</span> StringBuilder(<span class="stringliteral">", PARTITION-KEYS=("</span>);</div> |
| <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">for</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> expr: <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">partitionKeyExprs_</a>) {</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  tmpBuilder.append(expr.toSql() + <span class="stringliteral">","</span>);</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  tmpBuilder.deleteCharAt(tmpBuilder.length() - 1);</div> |
| <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  tmpBuilder.append(<span class="stringliteral">")"</span>);</div> |
| <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  partitionKeyStr = tmpBuilder.toString();</div> |
| <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div> |
| <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  output.append(String.format(<span class="stringliteral">"%sWRITE TO HDFS [%s%s%s]\n"</span>, prefix,</div> |
| <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  targetTable_.getFullName(), overwriteStr, partitionKeyStr));</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// Report the total number of partitions, independent of the number of nodes</span></div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// and the data partition of the fragment executing this sink.</span></div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (explainLevel.ordinal() > TExplainLevel.MINIMAL.ordinal()) {</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordtype">long</span> totalNumPartitions = Expr.getNumDistinctValues(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">partitionKeyExprs_</a>);</div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (totalNumPartitions == -1) {</div> |
| <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  output.append(detailPrefix + <span class="stringliteral">"partitions=unavailable"</span>);</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  } <span class="keywordflow">else</span> {</div> |
| <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  output.append(detailPrefix + <span class="stringliteral">"partitions="</span></div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  + (totalNumPartitions == 0 ? 1 : totalNumPartitions));</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  output.append(<span class="stringliteral">"\n"</span>);</div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span> (explainLevel.ordinal() >= TExplainLevel.EXTENDED.ordinal()) {</div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  output.append(PrintUtils.printHosts(detailPrefix, fragment_.getNumNodes()));</div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  output.append(PrintUtils.printMemCost(<span class="stringliteral">" "</span>, <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1DataSink.html#a8eac91fbb2f8a0add7901fb19dfeba7d">perHostMemCost_</a>));</div> |
| <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  output.append(<span class="stringliteral">"\n"</span>);</div> |
| <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  }</div> |
| <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div> |
| <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> output.toString();</div> |
| <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  }</div> |
| <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div> |
| <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  @Override</div> |
| <div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#ab3cfd2c4ff9d026a7cb806067aae48db"> 136</a></span>  <span class="keyword">protected</span> TDataSink <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#ab3cfd2c4ff9d026a7cb806067aae48db">toThrift</a>() {</div> |
| <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  TDataSink result = <span class="keyword">new</span> TDataSink(TDataSinkType.TABLE_SINK);</div> |
| <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  THdfsTableSink hdfsTableSink = <span class="keyword">new</span> THdfsTableSink(</div> |
| <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#adaff47c307b31c4500dad9d9fa74034c">treesToThrift</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">partitionKeyExprs_</a>), <a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a547ef8ae3da1e99b72b2b10878bedd02">overwrite_</a>);</div> |
| <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  TTableSink tTableSink = <span class="keyword">new</span> TTableSink(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1planner_1_1TableSink.html#ade847c6466b7c7d7d32ffa1e888f64f5">targetTable_</a>.<a class="code" href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html#a35c888c07169090523cb5ebd93c829c6">getId</a>().asInt(),</div> |
| <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  TTableSinkType.HDFS);</div> |
| <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  tTableSink.hdfs_table_sink = hdfsTableSink;</div> |
| <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  result.table_sink = tTableSink;</div> |
| <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> result;</div> |
| <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div> |
| <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> }</div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1common_1_1PrintUtils_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1common_1_1PrintUtils.html">com.cloudera.impala.common.PrintUtils</a></div><div class="ttdef"><b>Definition:</b> <a href="PrintUtils_8java_source.html#l00028">PrintUtils.java:28</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html">com.cloudera.impala.catalog.Table</a></div><div class="ttdef"><b>Definition:</b> <a href="Table_8java_source.html#l00051">Table.java:51</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html_adaff47c307b31c4500dad9d9fa74034c"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html#adaff47c307b31c4500dad9d9fa74034c">com.cloudera.impala.analysis.Expr.treesToThrift</a></div><div class="ttdeci">static List< TExpr > treesToThrift(List<?extends Expr > exprs)</div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00515">Expr.java:515</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1TableSink_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1TableSink.html">com.cloudera.impala.planner.TableSink</a></div><div class="ttdef"><b>Definition:</b> <a href="TableSink_8java_source.html#l00023">TableSink.java:23</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1PlanNode_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1PlanNode.html">com.cloudera.impala.planner.PlanNode</a></div><div class="ttdef"><b>Definition:</b> <a href="PlanNode_8java_source.html#l00059">PlanNode.java:59</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_a547ef8ae3da1e99b72b2b10878bedd02"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a547ef8ae3da1e99b72b2b10878bedd02">com.cloudera.impala.planner.HdfsTableSink.overwrite_</a></div><div class="ttdeci">final boolean overwrite_</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00043">HdfsTableSink.java:43</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_ab3cfd2c4ff9d026a7cb806067aae48db"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#ab3cfd2c4ff9d026a7cb806067aae48db">com.cloudera.impala.planner.HdfsTableSink.toThrift</a></div><div class="ttdeci">TDataSink toThrift()</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00136">HdfsTableSink.java:136</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">com.cloudera.impala.analysis.Expr</a></div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00048">Expr.java:48</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_a665d2efc22e6b8d5a7a82d99f262134d"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a665d2efc22e6b8d5a7a82d99f262134d">com.cloudera.impala.planner.HdfsTableSink.DEFAULT_NUM_PARTITIONS</a></div><div class="ttdeci">final long DEFAULT_NUM_PARTITIONS</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00038">HdfsTableSink.java:38</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsTable_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsTable.html">com.cloudera.impala.catalog.HdfsTable</a></div><div class="ttdef"><b>Definition:</b> <a href="HdfsTable_8java_source.html#l00104">HdfsTable.java:104</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_a82843607d4c4f4ef951dabf8f99721bc"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a82843607d4c4f4ef951dabf8f99721bc">com.cloudera.impala.planner.HdfsTableSink.HdfsTableSink</a></div><div class="ttdeci">HdfsTableSink(Table targetTable, List< Expr > partitionKeyExprs, boolean overwrite)</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00045">HdfsTableSink.java:45</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html">com.cloudera.impala.planner.HdfsTableSink</a></div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00036">HdfsTableSink.java:36</a></div></div> |
| <div class="ttc" id="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsFileFormat_html"><div class="ttname"><a href="enumcom_1_1cloudera_1_1impala_1_1catalog_1_1HdfsFileFormat.html">com.cloudera.impala.catalog.HdfsFileFormat</a></div><div class="ttdef"><b>Definition:</b> <a href="HdfsFileFormat_8java_source.html#l00026">HdfsFileFormat.java:26</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_ac2be04e0d05c1aea32f6335eda56e5c4"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#ac2be04e0d05c1aea32f6335eda56e5c4">com.cloudera.impala.planner.HdfsTableSink.getExplainString</a></div><div class="ttdeci">String getExplainString(String prefix, String detailPrefix, TExplainLevel explainLevel)</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00099">HdfsTableSink.java:99</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_a7ef11d21da5b4e62f92492ddceedbb67"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a7ef11d21da5b4e62f92492ddceedbb67">com.cloudera.impala.planner.HdfsTableSink.getPerPartitionMemReq</a></div><div class="ttdeci">long getPerPartitionMemReq(HdfsFileFormat format)</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00085">HdfsTableSink.java:85</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_a460c73625867737fa492d461359d9997"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#a460c73625867737fa492d461359d9997">com.cloudera.impala.planner.HdfsTableSink.computeCosts</a></div><div class="ttdeci">void computeCosts()</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00054">HdfsTableSink.java:54</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1TableSink_html_ade847c6466b7c7d7d32ffa1e888f64f5"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1TableSink.html#ade847c6466b7c7d7d32ffa1e888f64f5">com.cloudera.impala.planner.TableSink.targetTable_</a></div><div class="ttdeci">final Table targetTable_</div><div class="ttdef"><b>Definition:</b> <a href="TableSink_8java_source.html#l00025">TableSink.java:25</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1DataSink_html_a8eac91fbb2f8a0add7901fb19dfeba7d"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1DataSink.html#a8eac91fbb2f8a0add7901fb19dfeba7d">com.cloudera.impala.planner.DataSink.perHostMemCost_</a></div><div class="ttdeci">long perHostMemCost_</div><div class="ttdef"><b>Definition:</b> <a href="DataSink_8java_source.html#l00038">DataSink.java:38</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table_html_a35c888c07169090523cb5ebd93c829c6"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1catalog_1_1Table.html#a35c888c07169090523cb5ebd93c829c6">com.cloudera.impala.catalog.Table.getId</a></div><div class="ttdeci">TableId getId()</div><div class="ttdef"><b>Definition:</b> <a href="Table_8java_source.html#l00403">Table.java:403</a></div></div> |
| <div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink_html_acb9cab3a015e9db0a80ef08721829a7b"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1planner_1_1HdfsTableSink.html#acb9cab3a015e9db0a80ef08721829a7b">com.cloudera.impala.planner.HdfsTableSink.partitionKeyExprs_</a></div><div class="ttdeci">final List< Expr > partitionKeyExprs_</div><div class="ttdef"><b>Definition:</b> <a href="HdfsTableSink_8java_source.html#l00041">HdfsTableSink.java:41</a></div></div> |
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