forked from docs/doc-exports
Lu, Huayi
a24ca60074
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
101 lines
8.6 KiB
HTML
101 lines
8.6 KiB
HTML
<a name="EN-US_TOPIC_0000001098814568"></a><a name="EN-US_TOPIC_0000001098814568"></a>
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<h1 class="topictitle1">PG_STATIO_SYS_TABLES</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001098814568__en-us_topic_0059777862_p117516325519"><strong id="EN-US_TOPIC_0000001098814568__b10263198673">PG_STATIO_SYS_TABLES</strong> displays the I/O status information about all the system catalogs in the namespace.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001098814568__t010e81ad5ac240e293232b96b5217cd4" frame="border" border="1" rules="all"><caption><b>Table 1 </b>PG_STATIO_SYS_TABLES columns</caption><thead align="left"><tr id="EN-US_TOPIC_0000001098814568__r39696f17a04f44e6908aad4cdfe08a52"><th align="left" class="cellrowborder" valign="top" width="25.85%" id="mcps1.3.2.2.4.1.1"><p id="EN-US_TOPIC_0000001098814568__a320942bec7a24980af5515110bdd9c13"><strong id="EN-US_TOPIC_0000001098814568__b84235270691445">Name</strong></p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="22.09%" id="mcps1.3.2.2.4.1.2"><p id="EN-US_TOPIC_0000001098814568__aa421ee49ffca4c859565bb49e861afe4">Type</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="52.059999999999995%" id="mcps1.3.2.2.4.1.3"><p id="EN-US_TOPIC_0000001098814568__a7d24a3ec0cac46308402dca137b8a2a3">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="EN-US_TOPIC_0000001098814568__rfcbeeb917ef1441c8c7327418281ce8f"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a53d1b87b8ef14374b221063c78fdb151">relid</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__aa9951a97910b452a8f4c41cbb4061885">oid</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__a0e09b21c0fe042dabbb77d49d60dba5c">Table OID</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__re839dea4a6174d16bd44f8e2ede2a0fd"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a533bc15fb6434de1bc823d31d8b19f13">schemaname</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__aa484679571a54f1e828d492b09df9f52">name</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__aa6e039ad768740c7ab780e0e7ddb9592">Schema name of the table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__r6e2aa96d82e64607a0a08b43347b3758"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__aafbca56af82a49a68bb5b6a1a1f7b00e">relname</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__ad69844d4e5244204a87862ad45e83a22">name</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__a17cf50f1d8cb4faa9bbca4dae9fb9cf4">Table name</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__rf6ca6ca676474dc5a20b96b0d526edde"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a42c2c61f549242fa8ccd75a11a9bb077">heap_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__a21224c31396548ed8ab95e84bb3d903e">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__a51b020361c164609a2dc7d3242cce739">Number of disk blocks read from this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__rad1f0e7e031c45f79925a8f71bc7c7a6"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a4a64dbc795894f62bdcd658e876b5e2d">heap_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__a10f6436e17ce4ec19b2fd8164fcda8a3">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__ad0892cf384714e68a8f74e32395b6e8c">Number of buffer hits in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__r7d86c93d324d47728384ae55c7902bc5"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a3f569e6326f34acbaa63897dd3370eff">idx_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__a0af29a1bb0f045dfab0b64133d03dc96">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__a7139bdc4c29541e6982c8eb0da02e16e">Number of disk blocks read from all indexes in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__r00c4600a762a4520b5c694c805a92124"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__ae0a968f6b6fb4971a56bcd1c3bfe7ad9">idx_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__ac4f2046abadb45b1ac02003bc43960ce">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__a2ed895cc0baf46e09697b12cbf5f0278">Number of buffer hits in all indexes on this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__r839094b99b67425ebb53c3a74486a9c6"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a672ec6289eb0429cb918602531e7770f">toast_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__aeb03bb5420c54212a7543c352ed7c8cb">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__af4b2b09075cf4359af294bd4fef74d00">Number of disk blocks read from the TOAST table (if any) in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__r88d184b357af4721912e074f5c5347df"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__af03db379856644c0bc92d0b3d46b090b">toast_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__a0b5141ac7b1345ff9ae1baadc3c69abd">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__a236d204ba13040458a04771705d13088">Number of buffer hits in the TOAST table (if any) in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__r10541c75ebe247d2bc6a7d7811ba7453"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a22bad1730168459b963b31cd064e5f44">tidx_blks_read</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__af1916da8b7314d328614b730b0317a19">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__ad39a88e29a634102880906df171a2bfd">Number of disk blocks read from the TOAST table index (if any) in this table</p>
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</td>
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</tr>
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<tr id="EN-US_TOPIC_0000001098814568__r2c07f9e57a684fa381d8938e877c3210"><td class="cellrowborder" valign="top" width="25.85%" headers="mcps1.3.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001098814568__a31dd81dbecaa47c09d2a3d8052ca3b50">tidx_blks_hit</p>
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</td>
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<td class="cellrowborder" valign="top" width="22.09%" headers="mcps1.3.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001098814568__a38c187c1010a42568a37dfbdb92f2764">bigint</p>
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</td>
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<td class="cellrowborder" valign="top" width="52.059999999999995%" headers="mcps1.3.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001098814568__aed0012ad57074e308f4d0d86c3243881">Number of buffer hits in the TOAST table index (if any) in this table</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 class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_04_0639.html">System Views</a></div>
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</div>
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</div>
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