forked from docs/doc-exports
Su, Xiaomeng
04d4597cf3
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
94 lines
8.3 KiB
HTML
94 lines
8.3 KiB
HTML
<a name="dli_08_0004"></a><a name="dli_08_0004"></a>
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<h1 class="topictitle1">attr_expr</h1>
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<div id="body8662426"><div class="section" id="dli_08_0004__en-us_topic_0093946961_s95fe2d1289e64edb90d99d76f0f3b79a"><h4 class="sectiontitle">Syntax</h4><p id="dli_08_0004__en-us_topic_0093946961_a7917bcbb9e314a1798a40c00da2d7df0"><span><img id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_image6038610194853" src="en-us_image_0206797033.png"></span></p>
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</div>
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<div class="section" id="dli_08_0004__en-us_topic_0093946961_s554e856c0d4e49b8914ce74d4112166a"><h4 class="sectiontitle">Description</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dli_08_0004__en-us_topic_0093946961_t7d9933011d0349a98a6ec4212b1a812b" frame="border" border="1" rules="all"><thead align="left"><tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row36008097152151"><th align="left" class="cellrowborder" valign="top" width="44.75%" id="mcps1.3.2.2.1.3.1.1"><p id="dli_08_0004__en-us_topic_0093946961_a3f630c086fda4c3b8ecd90258b76c0e9">Syntax</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="55.25%" id="mcps1.3.2.2.1.3.1.2"><p id="dli_08_0004__en-us_topic_0093946961_acf294992042f4fe898f0afeee68d8f53">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row35478326113816"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a4468e9b9c3a9418186ff4ef5a8361052">attr_expr</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_ac4c2cec9f009488c93d46656ccec3f08">Attribute expression.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row32035269152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_afeeba298588b4fbeaa4b4c3b90dbca65">attr</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_aa2dbeefcb31142848abccb7484399c2d">Table field, which is the same as col_name.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row7942923152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a5b6bb6071b4d46b2b17d16f75c93e6ad">const_value</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_a91603c82654b42c5a9a48f9a23f8dc6f">Constant value.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row47771150152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a226b937790204ab3b0be96b2b413d410">case_expr</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_ab14cf1bccebb468b95d4de7ff7e099c5">Case expression.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row63374597152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_ae359a3c754fb469caa669886f39dde2b">math_func</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_ae74c5441cb244bbc9dc480d7b92f656b">Mathematical function.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row15032964152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_accef55fd3c064fd1b89b69ef22e25ab9">date_func</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_af3fc7ccb17db4d44a1e87fd80c0f5c1d">Date function.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row24805097152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a3eca190d5a82483681b14a3eb0a4c172">string_func</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_a6a1fab44d96e40dd9864f8f9a18addcb">String function.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row50106918152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a846923e205f9409da863fb08ed28a51d">aggregate_func</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_a9f8688a3e2124c4b9d58b2450d3f8000">Aggregate function.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row698046152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_ae0a884c1efcc4e46a176491129c4fc0f">window_func</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_a5b72cd5f7d7349698c015f65f1c6c41a">Analysis window function.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row14111856152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a0fa03f345a82440c8b8095a1b6b18fb2">user_define_func</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_a86ac62226ad642b8a6e821ccc315533c">User-defined function.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row239224152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a34606cc628634eabbea78c3a8e83da15">general_binary_operator</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_a25f88b59632e4edeb96b8639ce9b715f">General binary operator.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row29329139152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_aac8b1451bf274cb3a175df0a15ff4396">general_unary_operator</p>
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</td>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_acee15e01bce04796beac71e8283ff8d4">General unary operator.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row2664404152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_ab9a820e2e7eb4ea8bffdb55a48122775">(</p>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_ad48a95a874a548b09fe4b8bd7d7316ef">Start of the specified subattribute expression.</p>
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</td>
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</tr>
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<tr id="dli_08_0004__en-us_topic_0093946961_en-us_topic_0053448909_en-us_topic_0039551472_row27219308152151"><td class="cellrowborder" valign="top" width="44.75%" headers="mcps1.3.2.2.1.3.1.1 "><p id="dli_08_0004__en-us_topic_0093946961_a6f4453f1041040e985020f2635fe8011">)</p>
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<td class="cellrowborder" valign="top" width="55.25%" headers="mcps1.3.2.2.1.3.1.2 "><p id="dli_08_0004__en-us_topic_0093946961_a489c41db15f7416dab6b1e013e769888">End of the specified subattribute expression.</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dli_08_0001.html">Identifiers</a></div>
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</div>
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</div>
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