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<?php |
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/** |
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* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 Daniel Popiniuc |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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*/ |
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namespace danielgp\fk_scale_mysql; |
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/** |
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* Description of FKchange |
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* |
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* @author Daniel Popiniuc <[email protected]> |
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*/ |
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class FKchange |
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{ |
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use ConfigurationMySQL, |
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ConfigurationForAction, |
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FKinterface, |
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\danielgp\common_lib\MySQLiAdvancedOutput; |
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private $applicationSpecificArray; |
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public function __construct() |
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{ |
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$rqst = new \Symfony\Component\HttpFoundation\Request; |
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echo $this->setApplicationHeader() |
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. $this->buildApplicationInterface($rqst->createFromGlobals()) |
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. $this->setApplicationFooter(); |
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} |
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private function buildApplicationInterface($sGb) |
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{ |
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$mysqlConfig = $this->configuredMySqlServer(); |
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$elToModify = $this->targetElementsToModify($sGb); |
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$transmitedParameters = $this->countTransmitedParameters(['db', 'tbl', 'fld', 'dt']); |
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$mConnection = $this->connectToMySql($mysqlConfig); |
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$sReturn = []; |
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$sReturn[] = $this->buildInputFormTab($mysqlConfig, $transmitedParameters, $sGb); |
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$sReturn[] = $this->buildResultsTab($mConnection, $elToModify, $transmitedParameters); |
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return implode('', $sReturn); |
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} |
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private function buildResultsTab($mConnection, $elToModify, $tParams) |
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{ |
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$sReturn = []; |
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$targetTableTextFlds = $this->getForeignKeys($elToModify); |
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$sReturn[] = '<div class="tabbertab' . ($tParams ? ' tabbertabdefault' : '') |
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. '" id="FKscaleMySQLresults" title="Results">'; |
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if (is_array($targetTableTextFlds)) { |
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$sReturn[] = $this->createDropForeignKeysAndGetTargetColumnDefinition($targetTableTextFlds); |
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$mainColArray = $this->packParameteresForMainChangeColumn($elToModify, $targetTableTextFlds); |
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$sReturn[] = $this->createChangeColumn($mainColArray, [ |
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'style' => 'color:blue;font-weight:bold;', |
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'includeOldColumnType' => true, |
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]); |
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$sReturn[] = $this->recreateFKs($elToModify, $targetTableTextFlds); |
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} else { |
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$sReturn[] = $this->returnMessagesInCaseOfNoResults($mConnection); |
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} |
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$sReturn[] = '</div><!-- end of FKscaleMySQLresults tab -->' |
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. '</div><!-- tabberFKscaleMySQL -->'; |
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return implode('', $sReturn); |
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} |
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private function createChangeColumn($params, $adtnlFeatures = null) |
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{ |
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return '<div style="' . (isset($adtnlFeatures['style']) ? $adtnlFeatures['style'] : 'color:blue;') . '">' |
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. 'ALTER TABLE `' . $params['Database'] . '`.`' . $params['Table'] . '` ' |
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. 'CHANGE `' . $params['Column'] . '` `' . $params['Column'] . '` ' . $params['NewDataType'] . ' ' |
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. $this->setColumnDefinition($params) . ';' |
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. (isset($adtnlFeatures['includeOldColumnType']) ? ' /* from ' . $params['OldDataType'] . ' */' : '') |
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. '</div>'; |
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} |
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private function createDropForeignKey($parameters) |
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{ |
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return '<div style="color:red;">' |
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. 'ALTER TABLE `' . $parameters['Database'] . '`.`' . $parameters['Table'] |
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. '` DROP FOREIGN KEY `' . $parameters['ForeignKeyName'] . '`;' |
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. '</div>'; |
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} |
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private function createDropForeignKeysAndGetTargetColumnDefinition($targetTableTextFlds) |
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{ |
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$sReturn = []; |
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foreach ($targetTableTextFlds as $key => $value) { |
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$sReturn[] = $this->createDropForeignKey([ |
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'Database' => $value['TABLE_SCHEMA'], |
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'Table' => $value['TABLE_NAME'], |
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'ForeignKeyName' => $value['CONSTRAINT_NAME'], |
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]); |
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$this->applicationSpecificArray['Cols'][$key] = $this->getMySQLlistColumns([ |
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'TABLE_SCHEMA' => $value['TABLE_SCHEMA'], |
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'TABLE_NAME' => $value['TABLE_NAME'], |
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'COLUMN_NAME' => $value['COLUMN_NAME'], |
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]); |
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} |
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return implode('', $sReturn); |
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} |
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private function createForeignKey($params) |
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{ |
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return '<div style="color:green;">' |
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. 'ALTER TABLE `' . $params['Database'] . '`.`' . $params['Table'] . '` ' |
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. 'ADD CONSTRAINT `' . $params['ForeignKeyName'] . '` ' |
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. 'FOREIGN KEY (`' . $params['Column'] . '`) REFERENCES `' . $params['ReferencedDatabase'] . '`.`' |
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. $params['ReferencedTable'] . '` (`' . $params['ReferencedColumn'] . '`) ' |
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. 'ON DELETE ' . ($params['RuleDelete'] == 'NULL' ? 'SET NULL' : $params['RuleDelete']) . ' ' |
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. 'ON UPDATE ' . ($params['RuleUpdate'] == 'NULL' ? 'SET NULL' : $params['RuleUpdate']) . ';' |
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. '</div>'; |
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} |
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private function getForeignKeys($elToModify) |
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{ |
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$additionalFeatures = [ |
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'REFERENCED_TABLE_SCHEMA' => $elToModify['Database'], |
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'REFERENCED_TABLE_NAME' => $elToModify['Table'], |
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'REFERENCED_COLUMN_NAME' => $elToModify['Column'], |
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'REFERENCED_TABLE_NAME' => 'NOT NULL', |
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]; |
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$query = $this->sQueryMySqlIndexes($additionalFeatures); |
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return $this->setMySQLquery2Server($query, 'full_array_key_numbered')['result']; |
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} |
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private function packParameteresForMainChangeColumn($elToModify, $targetTableTextFlds) |
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{ |
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$colToIdentify = [ |
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'TABLE_SCHEMA' => $elToModify['Database'], |
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'TABLE_NAME' => $elToModify['Table'], |
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'COLUMN_NAME' => $elToModify['Column'], |
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]; |
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$col = $this->getMySQLlistColumns($colToIdentify); |
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return [ |
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'Database' => $targetTableTextFlds[0]['REFERENCED_TABLE_SCHEMA'], |
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'Table' => $targetTableTextFlds[0]['REFERENCED_TABLE_NAME'], |
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'Column' => $targetTableTextFlds[0]['REFERENCED_COLUMN_NAME'], |
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'OldDataType' => strtoupper($col[0]['COLUMN_TYPE']) . ' ' . $this->setColumnDefinition($col[0]), |
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'NewDataType' => $elToModify['NewDataType'], |
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'IS_NULLABLE' => $col[0]['IS_NULLABLE'], |
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'COLUMN_DEFAULT' => $col[0]['COLUMN_DEFAULT'], |
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'EXTRA' => $col[0]['EXTRA'], |
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'COLUMN_COMMENT' => $col[0]['COLUMN_COMMENT'], |
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]; |
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} |
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private function recreateFKs($elToModify, $targetTableTextFlds) |
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{ |
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$sReturn = []; |
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foreach ($targetTableTextFlds as $key => $value) { |
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$sReturn[] = $this->createChangeColumn([ |
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'Database' => $value['TABLE_SCHEMA'], |
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'Table' => $value['TABLE_NAME'], |
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'Column' => $value['COLUMN_NAME'], |
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'NewDataType' => $elToModify['NewDataType'], |
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'IS_NULLABLE' => $this->applicationSpecificArray['Cols'][$key][0]['IS_NULLABLE'], |
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'COLUMN_DEFAULT' => $this->applicationSpecificArray['Cols'][$key][0]['COLUMN_DEFAULT'], |
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'EXTRA' => $this->applicationSpecificArray['Cols'][$key][0]['EXTRA'], |
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'COLUMN_COMMENT' => $this->applicationSpecificArray['Cols'][$key][0]['COLUMN_COMMENT'], |
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]); |
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$sReturn[] = $this->createForeignKey([ |
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'Database' => $value['TABLE_SCHEMA'], |
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'Table' => $value['TABLE_NAME'], |
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'Column' => $value['COLUMN_NAME'], |
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'ForeignKeyName' => $value['CONSTRAINT_NAME'], |
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'ReferencedDatabase' => $value['REFERENCED_TABLE_SCHEMA'], |
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'ReferencedTable' => $value['REFERENCED_TABLE_NAME'], |
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'ReferencedColumn' => $value['REFERENCED_COLUMN_NAME'], |
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'RuleDelete' => $value['DELETE_RULE'], |
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'RuleUpdate' => $value['UPDATE_RULE'], |
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]); |
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} |
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return implode('', $sReturn); |
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} |
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private function setColumnDefinition($inArray) |
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{ |
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$colDefinition = $this->setColumnDefinitionPrefix($inArray['IS_NULLABLE'], $inArray['COLUMN_DEFAULT']); |
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if ($inArray['EXTRA'] == 'auto_increment') { |
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$colDefinition .= ' AUTO_INCREMENT'; |
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} |
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if (strlen($inArray['COLUMN_COMMENT']) > 0) { |
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$colDefinition .= ' COMMENT "' . $inArray['COLUMN_COMMENT'] . '"'; |
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} |
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return $colDefinition; |
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} |
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private function setColumnDefinitionPrefix($nullableYesNo, $defaultValue) |
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{ |
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$colDefinition = 'NOT NULL DEFAULT "' . $defaultValue . '"'; |
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if ($nullableYesNo == 'NO') { |
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if (is_null($defaultValue)) { |
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$colDefinition = 'NOT NULL'; |
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} |
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} elseif ($nullableYesNo == 'YES') { |
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$colDefinition = 'DEFAULT "' . $defaultValue . '"'; |
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if ($defaultValue === null) { |
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$colDefinition = 'DEFAULT NULL'; |
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} |
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} |
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return $colDefinition; |
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} |
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} |
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danielgp /
fk-scale-mysql
