sQueryMySqlGlobalVariables()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 1
nc 1
nop 0
dl 0
loc 3
rs 10
c 0
b 0
f 0
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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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