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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\common_lib; |
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/** |
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* Queries for the MySQL module |
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* |
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* @author Daniel Popiniuc |
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*/ |
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trait MySQLiByDanielGPqueriesBasic |
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{ |
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private function sCleanParameters(&$parameters) |
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{ |
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if (is_array($parameters)) { |
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$tmpArray = []; |
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foreach ($parameters as &$value) { |
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$tmpArray[] = filter_var($value, FILTER_SANITIZE_STRING); |
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} |
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$parameters = $tmpArray; |
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} else { |
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$parameters = filter_var($parameters, FILTER_SANITIZE_STRING); |
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} |
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} |
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protected function sQueryGenericSelectKeyValue($parameters) |
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{ |
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$this->sCleanParameters($parameters); |
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return implode(' ', [ |
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'SELECT', |
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$parameters[0] . ', ' . $parameters[1], |
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'FROM', |
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$parameters[2], |
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'GROUP BY', |
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$parameters[0], |
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'ORDER BY', |
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$parameters[1] . ';' |
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]); |
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} |
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/** |
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* Query to list Databases |
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* |
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* @param boolean $excludeSystemDbs |
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* @return string |
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*/ |
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protected function sQueryMySqlActiveDatabases($excludeSystemDbs = true) |
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{ |
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$sDBs = 'WHERE ' |
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. '`SCHEMA_NAME` NOT IN ("' |
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. implode('", "', ['information_schema', 'mysql', 'performance_schema', 'sys']) . '") '; |
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return 'SELECT ' |
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. '`SCHEMA_NAME` As `Db`, `DEFAULT_CHARACTER_SET_NAME` AS `DbCharset`, ' |
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. '`DEFAULT_COLLATION_NAME` AS `DbCollation` ' |
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. 'FROM `information_schema`.`SCHEMATA` ' |
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. ($excludeSystemDbs ? $sDBs : '') |
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. 'GROUP BY `SCHEMA_NAME`;'; |
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} |
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/** |
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* Query to list MySQL engines |
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* |
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* @param boolean $onlyActiveOnes |
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* @return string |
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*/ |
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protected function sQueryMySqlActiveEngines($onlyActiveOnes = true) |
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{ |
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return 'SELECT ' |
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. '`ENGINE` AS `Engine`, `SUPPORT` AS `Support`, `COMMENT` AS `Comment` ' |
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. 'FROM `information_schema`.`ENGINES` ' |
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. ($onlyActiveOnes ? 'WHERE (`SUPPORT` IN ("DEFAULT", "YES")) ' : '') |
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. 'GROUP BY `ENGINE`;'; |
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} |
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/** |
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* Query to list Global Variables |
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* |
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* @return string |
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*/ |
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protected function sQueryMySqlGlobalVariables() |
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{ |
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return 'SHOW GLOBAL VARIABLES;'; |
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} |
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/** |
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* The MySQL server time |
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* |
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* @return string |
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*/ |
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protected function sQueryMySqlServerTime() |
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{ |
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return 'SELECT NOW();'; |
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} |
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/** |
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* Get all the row details from a table based on given filter |
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* |
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* @param array $parameters |
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* @return string |
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*/ |
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protected function sQueryRowsFromTable($parameters) |
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{ |
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$this->sCleanParameters($parameters); |
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return 'SELECT * ' |
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. 'FROM `' . $parameters[0] . '` ' |
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. 'WHERE ' . $parameters[1] . ';'; |
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} |
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protected function sQueryToDeleteSingleIdentifier($parameters) |
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{ |
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$this->sCleanParameters($parameters); |
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return 'DELETE ' |
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. 'FROM `' . $parameters[0] . '` ' |
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. 'WHERE `' . $parameters[1] . '` = "' . $parameters[2] . '";'; |
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} |
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} |
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danielgp /
common-lib
