147 lines
5.5 KiB
PHP
147 lines
5.5 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Table partition definition
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*
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* @package PhpMyAdmin
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*/
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use PMA\libraries\Template;
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if (!isset($partitionDetails)) {
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$partitionDetails = array();
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// Extract some partitioning and subpartitioning parameters from the request
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$partitionParams = array(
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'partition_by', 'partition_expr',
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'subpartition_by', 'subpartition_expr',
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);
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foreach ($partitionParams as $partitionParam) {
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$partitionDetails[$partitionParam] = isset($_REQUEST[$partitionParam])
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? $_REQUEST[$partitionParam] : '';
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}
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if (PMA_isValid($_REQUEST['partition_count'], 'numeric')) {
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// MySQL's limit is 8192, so do not allow more
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$partition_count = min(intval($_REQUEST['partition_count']), 8192);
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} else {
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$partition_count = 0;
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}
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$partitionDetails['partition_count']
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= ($partition_count === 0) ? '' : $partition_count;
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if (PMA_isValid($_REQUEST['subpartition_count'], 'numeric')) {
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// MySQL's limit is 8192, so do not allow more
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$subpartition_count = min(intval($_REQUEST['subpartition_count']), 8192);
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} else {
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$subpartition_count = 0;
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}
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$partitionDetails['subpartition_count']
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= ($subpartition_count === 0) ? '' : $subpartition_count;
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// Only LIST and RANGE type parameters allow subpartitioning
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$partitionDetails['can_have_subpartitions'] = $partition_count > 1
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&& isset($_REQUEST['partition_by'])
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&& ($_REQUEST['partition_by'] == 'RANGE'
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|| $_REQUEST['partition_by'] == 'RANGE COLUMNS'
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|| $_REQUEST['partition_by'] == 'LIST'
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|| $_REQUEST['partition_by'] == 'LIST COLUMNS');
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// Values are specified only for LIST and RANGE type partitions
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$partitionDetails['value_enabled'] = isset($_REQUEST['partition_by'])
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&& ($_REQUEST['partition_by'] == 'RANGE'
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|| $_REQUEST['partition_by'] == 'RANGE COLUMNS'
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|| $_REQUEST['partition_by'] == 'LIST'
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|| $_REQUEST['partition_by'] == 'LIST COLUMNS');
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// Has partitions
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if ($partition_count > 1) {
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$partitions = isset($_REQUEST['partitions'])
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? $_REQUEST['partitions']
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: array();
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// Remove details of the additional partitions
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// when number of partitions have been reduced
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array_splice($partitions, $partition_count);
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for ($i = 0; $i < $partition_count; $i++) {
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if (! isset($partitions[$i])) { // Newly added partition
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$partitions[$i] = array(
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'name' => 'p' . $i,
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'value_type' => '',
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'value' => '',
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'engine' => '',
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'comment' => '',
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'data_directory' => '',
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'index_directory' => '',
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'max_rows' => '',
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'min_rows' => '',
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'tablespace' => '',
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'node_group' => '',
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);
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}
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$partition =& $partitions[$i];
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$partition['prefix'] = 'partitions[' . $i . ']';
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// Changing from HASH/KEY to RANGE/LIST
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if (! isset($partition['value_type'])) {
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$partition['value_type'] = '';
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$partition['value'] = '';
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}
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if (! isset($partition['engine'])) { // When removing subpartitioning
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$partition['engine'] = '';
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$partition['comment'] = '';
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$partition['data_directory'] = '';
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$partition['index_directory'] = '';
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$partition['max_rows'] = '';
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$partition['min_rows'] = '';
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$partition['tablespace'] = '';
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$partition['node_group'] = '';
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}
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if ($subpartition_count > 1
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&& $partitionDetails['can_have_subpartitions'] == true
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) { // Has subpartitions
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$partition['subpartition_count'] = $subpartition_count;
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if (! isset($partition['subpartitions'])) {
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$partition['subpartitions'] = array();
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}
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$subpartitions =& $partition['subpartitions'];
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// Remove details of the additional subpartitions
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// when number of subpartitions have been reduced
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array_splice($subpartitions, $subpartition_count);
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for ($j = 0; $j < $subpartition_count; $j++) {
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if (! isset($subpartitions[$j])) { // Newly added subpartition
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$subpartitions[$j] = array(
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'name' => $partition['name'] . '_s' . $j,
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'engine' => '',
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'comment' => '',
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'data_directory' => '',
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'index_directory' => '',
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'max_rows' => '',
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'min_rows' => '',
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'tablespace' => '',
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'node_group' => '',
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);
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}
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$subpartition =& $subpartitions[$j];
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$subpartition['prefix'] = 'partitions[' . $i . ']'
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. '[subpartitions][' . $j . ']';
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}
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} else { // No subpartitions
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unset($partition['subpartitions']);
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unset($partition['subpartition_count']);
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}
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}
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$partitionDetails['partitions'] = $partitions;
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}
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}
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echo Template::get('columns_definitions/partitions')
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->render(array('partitionDetails' => $partitionDetails));
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