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<?php |
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/** |
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* @package Redcore |
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* @subpackage Exception |
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* |
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* @copyright Copyright (C) 2008 - 2020 redWEB.dk. All rights reserved. |
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* @license GNU General Public License version 2 or later, see LICENSE. |
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*/ |
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defined('JPATH_REDCORE') or die; |
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/** |
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* A pure PHP SQL creator, which generates SQL from the output of RDatabaseSqlparserSqlparser. |
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* |
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* Copyright (c) 2012, André Rothe <[email protected], [email protected]> |
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* |
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* * Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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* SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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*/ |
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class RDatabaseSqlparserSqlcreator { |
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public $created; |
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public function __construct($parsed = null) { |
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if ($parsed) { |
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$this->create($parsed); |
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} |
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} |
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public function create($parsed) { |
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$k = key($parsed); |
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switch ($k) { |
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case "UNION": |
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case "UNION ALL": |
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throw new Exception($k . " not implemented.", 20); |
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break; |
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case "SELECT": |
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$this->created = $this->processSelectStatement($parsed); |
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break; |
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case "INSERT": |
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$this->created = $this->processInsertStatement($parsed); |
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break; |
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case "DELETE": |
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$this->created = $this->processDeleteStatement($parsed); |
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break; |
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case "UPDATE": |
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$this->created = $this->processUpdateStatement($parsed); |
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break; |
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default: |
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throw new Exception($k . " not implemented.", 20); |
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break; |
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} |
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return $this->created; |
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} |
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protected function processSelectStatement($parsed) |
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{ |
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$sql = $this->processSELECT($parsed['SELECT']) . " " . $this->processFROM($parsed['FROM']); |
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if (isset($parsed['WHERE'])) { |
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$sql .= " " . $this->processWHERE($parsed['WHERE']); |
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} |
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if (isset($parsed['GROUP'])) { |
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$sql .= " " . $this->processGROUP($parsed['GROUP']); |
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} |
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if (isset($parsed['ORDER'])) { |
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$sql .= " " . $this->processORDER($parsed['ORDER']); |
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} |
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if (isset($parsed['LIMIT'])) { |
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$sql .= " " . $this->processLIMIT($parsed['LIMIT']); |
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} |
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return $sql; |
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} |
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protected function processInsertStatement($parsed) { |
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return $this->processINSERT($parsed['INSERT']) . " " . $this->processVALUES($parsed['VALUES']); |
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// TODO: subquery? |
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} |
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protected function processDeleteStatement($parsed) { |
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return $this->processDELETE($parsed['DELETE']) . " " . $this->processFROM($parsed['FROM']) . " " |
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. $this->processWHERE($parsed['WHERE']); |
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} |
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protected function processUpdateStatement($parsed) { |
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$sql = $this->processUPDATE($parsed['UPDATE']) . " " . $this->processSET($parsed['SET']); |
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if (isset($parsed['WHERE'])) { |
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$sql .= " " . $this->processWHERE($parsed['WHERE']); |
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} |
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return $sql; |
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} |
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protected function processDELETE($parsed) { |
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$sql = "DELETE"; |
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foreach ($parsed['TABLES'] as $v) { |
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$sql .= $v . ","; |
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} |
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return substr($sql, 0, -1); |
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} |
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protected function processSELECT($parsed) |
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{ |
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$sql = ""; |
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foreach ($parsed as $k => $v) |
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{ |
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$len = strlen($sql); |
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$sql .= $this->processReserved($v); |
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$sql .= $this->processColRef($v); |
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$sql .= $this->processSelectExpression($v); |
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$sql .= $this->processFunction($v); |
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$sql .= $this->processConstant($v); |
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$sql .= $this->processSelectBracketExpression($v); |
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if ($len == strlen($sql)) |
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{ |
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throw new RDatabaseSqlparserExceptioncreatesql('SELECT', $k, $v, 'expr_type'); |
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} |
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$sql .= ","; |
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} |
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$sql = substr($sql, 0, -1); |
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return "SELECT " . $sql; |
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} |
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protected function processFROM($parsed) { |
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$sql = ""; |
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foreach ($parsed as $k => $v) { |
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$len = strlen($sql); |
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$sql .= $this->processTable($v, $k); |
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$sql .= $this->processTableExpression($v, $k); |
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$sql .= $this->processSubQuery($v, $k); |
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$sql .= $this->processConstant($v); |
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$sql .= $this->processIndexHints($v); |
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if ($len == strlen($sql)) { |
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throw new RDatabaseSqlparserExceptioncreatesql('FROM', $k, $v, 'expr_type'); |
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} |
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$sql .= " "; |
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} |
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return "FROM " . substr($sql, 0, -1); |
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} |
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protected function processORDER($parsed) { |
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$sql = ""; |
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foreach ($parsed as $k => $v) { |
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$len = strlen($sql); |
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$sql .= $this->processOrderByAlias($v); |
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$sql .= $this->processColRef($v); |
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$sql .= $this->processConstant($v); |
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$sql .= $this->processFunction($v); |
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$sql .= $this->processOrderByExpression($v); |
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$sql .= $this->processOrderByBracketExpression($v); |
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if ($len == strlen($sql)) { |
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throw new RDatabaseSqlparserExceptioncreatesql('ORDER', $k, $v, 'expr_type'); |
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} |
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$sql .= ","; |
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} |
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$sql = substr($sql, 0, -1); |
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return "ORDER BY " . $sql; |
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} |
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protected function processOrderByBracketExpression($parsed) { |
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if ($parsed['expr_type'] !== 'bracket_expression') { |
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return ""; |
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} |
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$sql = $this->processSubTree($parsed, " "); |
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return $sql; |
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} |
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protected function processLIMIT($parsed) { |
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$sql = (!empty($parsed['offset']) ? $parsed['offset'] . ", " : ""); |
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$sql .= (!empty($parsed['rowcount']) ? $parsed['rowcount'] : ""); |
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if ($sql === "") { |
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throw new RDatabaseSqlparserExceptioncreatesql('LIMIT', 'rowcount', $parsed, 'rowcount'); |
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} |
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return "LIMIT " . $sql; |
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} |
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protected function processIndexHints($parsed) |
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{ |
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if (!isset($parsed['index_hints']) || !$parsed['index_hints']) |
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{ |
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return ""; |
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} |
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if ($parsed['index_hints']['base_expr'] == "") |
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{ |
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throw new RDatabaseSqlparserExceptioncreatesql('Index_Hints', 'USE', $parsed['index_hints'], 'expr_type'); |
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} |
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return ' ' . $parsed['index_hints']['base_expr']; |
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} |
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protected function processGROUP($parsed) { |
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$sql = ""; |
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foreach ($parsed as $k => $v) { |
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$len = strlen($sql); |
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$sql .= $this->processColRef($v); |
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$sql .= $this->processPosition($v); |
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$sql .= $this->processFunction($v); |
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$sql .= $this->processGroupByAlias($v); |
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$sql .= $this->processGroupByExpression($v); |
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if ($len == strlen($sql)) { |
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throw new RDatabaseSqlparserExceptioncreatesql('GROUP', $k, $v, 'expr_type'); |
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} |
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$sql .= ","; |
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} |
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$sql = substr($sql, 0, -1); |
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return "GROUP BY " . $sql; |
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} |
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protected function processGroupByAlias($parsed) { |
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if ($parsed['expr_type'] !== 'alias') { |
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return ""; |
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} |
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return $parsed['base_expr']; |
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} |
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protected function processPosition($parsed) { |
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if ($parsed['expr_type'] !== 'pos') { |
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return ""; |
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} |
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return $parsed['base_expr']; |
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} |
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protected function processRecord($parsed) { |
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if ($parsed['expr_type'] !== 'record') { |
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return ""; |
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} |
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$sql = ""; |
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foreach ($parsed['data'] as $k => $v) { |
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$len = strlen($sql); |
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$sql .= $this->processConstant($v); |
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$sql .= $this->processFunction($v); |
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$sql .= $this->processOperator($v); |
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if ($len == strlen($sql)) { |
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throw new RDatabaseSqlparserExceptioncreatesql('record', $k, $v, 'expr_type'); |
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} |
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$sql .= ","; |
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} |
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$sql = substr($sql, 0, -1); |
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return "(" . $sql . ")"; |
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} |
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protected function processVALUES($parsed) { |
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$sql = ""; |
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foreach ($parsed as $k => $v) { |
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$len = strlen($sql); |
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$sql .= $this->processRecord($v); |
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284
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if ($len == strlen($sql)) { |
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throw new RDatabaseSqlparserExceptioncreatesql('VALUES', $k, $v, 'expr_type'); |
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} |
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$sql .= ","; |
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} |
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290
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$sql = substr($sql, 0, -1); |
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return "VALUES " . $sql; |
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} |
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293
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294
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protected function processINSERT($parsed) { |
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295
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$sql = "INSERT INTO " . $parsed['table']; |
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296
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297
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if ($parsed['columns'] === false) { |
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return $sql; |
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299
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} |
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300
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301
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$columns = ""; |
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302
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foreach ($parsed['columns'] as $k => $v) { |
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$len = strlen($columns); |
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$columns .= $this->processColRef($v); |
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306
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if ($len == strlen($columns)) { |
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throw new RDatabaseSqlparserExceptioncreatesql('INSERT[columns]', $k, $v, 'expr_type'); |
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} |
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$columns .= ","; |
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} |
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312
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313
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if ($columns !== "") { |
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314
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$columns = " (" . substr($columns, 0, -1) . ")"; |
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315
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} |
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$sql .= $columns; |
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return $sql; |
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319
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} |
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320
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321
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protected function processUPDATE($parsed) { |
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322
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return "UPDATE " . $parsed[0]['table']; |
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323
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} |
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324
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|
|
|
protected function processSetExpression($parsed) { |
|
326
|
|
|
if ($parsed['expr_type'] !== 'expression') { |
|
327
|
|
|
return ""; |
|
328
|
|
|
} |
|
329
|
|
|
$sql = ""; |
|
330
|
|
|
foreach ($parsed['sub_tree'] as $k => $v) { |
|
331
|
|
|
$len = strlen($sql); |
|
332
|
|
|
if (($this->isReserved($v) || $this->isOperator($v)) && !empty($sql) && substr($sql, -1) == ',') |
|
333
|
|
|
{ |
|
334
|
|
|
$sql = substr($sql, 0, -1) . ' '; |
|
335
|
|
|
} |
|
336
|
|
|
|
|
337
|
|
|
$sql .= $this->processReserved($v); |
|
338
|
|
|
$sql .= $this->processColRef($v); |
|
339
|
|
|
$sql .= $this->processConstant($v); |
|
340
|
|
|
$sql .= $this->processOperator($v); |
|
341
|
|
|
$sql .= $this->processFunction($v); |
|
342
|
|
|
|
|
343
|
|
|
if ($len == strlen($sql)) { |
|
344
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('SET expression subtree', $k, $v, 'expr_type'); |
|
345
|
|
|
} |
|
346
|
|
|
|
|
347
|
|
|
$sql .= " "; |
|
348
|
|
|
} |
|
349
|
|
|
|
|
350
|
|
|
$sql = substr($sql, 0, -1); |
|
351
|
|
|
return $sql; |
|
352
|
|
|
} |
|
353
|
|
|
|
|
354
|
|
|
protected function processSET($parsed) { |
|
355
|
|
|
$sql = ""; |
|
356
|
|
|
foreach ($parsed as $k => $v) { |
|
357
|
|
|
$len = strlen($sql); |
|
358
|
|
|
$sql .= $this->processSetExpression($v); |
|
359
|
|
|
|
|
360
|
|
|
if ($len == strlen($sql)) { |
|
361
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('SET', $k, $v, 'expr_type'); |
|
362
|
|
|
} |
|
363
|
|
|
|
|
364
|
|
|
$sql .= ","; |
|
365
|
|
|
} |
|
366
|
|
|
return "SET " . substr($sql, 0, -1); |
|
367
|
|
|
} |
|
368
|
|
|
|
|
369
|
|
|
protected function processWHERE($parsed) { |
|
370
|
|
|
$sql = "WHERE "; |
|
371
|
|
|
foreach ($parsed as $k => $v) { |
|
372
|
|
|
$len = strlen($sql); |
|
373
|
|
|
|
|
374
|
|
|
if (($this->isReserved($v) || $this->isOperator($v)) && !empty($sql) && substr($sql, -1) == ',') |
|
375
|
|
|
{ |
|
376
|
|
|
$sql = substr($sql, 0, -1) . ' '; |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
$sql .= $this->processReserved($v); |
|
380
|
|
|
$sql .= $this->processOperator($v); |
|
381
|
|
|
$sql .= $this->processConstant($v); |
|
382
|
|
|
$sql .= $this->processColRef($v); |
|
383
|
|
|
$sql .= $this->processSubQuery($v); |
|
384
|
|
|
$sql .= $this->processInList($v); |
|
385
|
|
|
$sql .= $this->processFunction($v); |
|
386
|
|
|
$sql .= $this->processWhereExpression($v); |
|
387
|
|
|
$sql .= $this->processWhereBracketExpression($v); |
|
388
|
|
|
|
|
389
|
|
|
if (strlen($sql) == $len) { |
|
390
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('WHERE', $k, $v, 'expr_type'); |
|
391
|
|
|
} |
|
392
|
|
|
|
|
393
|
|
|
$sql .= " "; |
|
394
|
|
|
} |
|
395
|
|
|
return substr($sql, 0, -1); |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
protected function processWhereExpression($parsed) { |
|
399
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'expression') { |
|
400
|
|
|
return ""; |
|
401
|
|
|
} |
|
402
|
|
|
$sql = ""; |
|
403
|
|
|
foreach ($parsed['sub_tree'] as $k => $v) { |
|
404
|
|
|
$len = strlen($sql); |
|
405
|
|
|
if (($this->isReserved($v) || $this->isOperator($v)) && !empty($sql) && substr($sql, -1) == ',') |
|
406
|
|
|
{ |
|
407
|
|
|
$sql = substr($sql, 0, -1) . ' '; |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
$sql .= $this->processReserved($v); |
|
411
|
|
|
$sql .= $this->processColRef($v); |
|
412
|
|
|
$sql .= $this->processConstant($v); |
|
413
|
|
|
$sql .= $this->processOperator($v); |
|
414
|
|
|
$sql .= $this->processInList($v); |
|
415
|
|
|
$sql .= $this->processFunction($v); |
|
416
|
|
|
$sql .= $this->processWhereExpression($v); |
|
417
|
|
|
$sql .= $this->processWhereBracketExpression($v); |
|
418
|
|
|
$sql .= $this->processSubQuery($v); |
|
419
|
|
|
|
|
420
|
|
|
if ($len == strlen($sql)) { |
|
421
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('WHERE expression subtree', $k, $v, 'expr_type'); |
|
422
|
|
|
} |
|
423
|
|
|
|
|
424
|
|
|
$sql .= " "; |
|
425
|
|
|
} |
|
426
|
|
|
|
|
427
|
|
|
$sql = substr($sql, 0, -1); |
|
428
|
|
|
return $sql; |
|
429
|
|
|
} |
|
430
|
|
|
|
|
431
|
|
|
protected function processWhereBracketExpression($parsed) { |
|
432
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'bracket_expression') { |
|
433
|
|
|
return ""; |
|
434
|
|
|
} |
|
435
|
|
|
elseif (empty($parsed['sub_tree'])) |
|
436
|
|
|
{ |
|
437
|
|
|
return "()"; |
|
438
|
|
|
} |
|
439
|
|
|
$sql = ""; |
|
440
|
|
|
foreach ($parsed['sub_tree'] as $k => $v) { |
|
441
|
|
|
$len = strlen($sql); |
|
442
|
|
|
if (($this->isReserved($v) || $this->isOperator($v)) && !empty($sql) && substr($sql, -1) == ',') |
|
443
|
|
|
{ |
|
444
|
|
|
$sql = substr($sql, 0, -1) . ' '; |
|
445
|
|
|
} |
|
446
|
|
|
|
|
447
|
|
|
$sql .= $this->processReserved($v); |
|
448
|
|
|
$sql .= $this->processColRef($v); |
|
449
|
|
|
$sql .= $this->processConstant($v); |
|
450
|
|
|
$sql .= $this->processOperator($v); |
|
451
|
|
|
$sql .= $this->processInList($v); |
|
452
|
|
|
$sql .= $this->processFunction($v); |
|
453
|
|
|
$sql .= $this->processWhereExpression($v); |
|
454
|
|
|
$sql .= $this->processWhereBracketExpression($v); |
|
455
|
|
|
$sql .= $this->processSubQuery($v); |
|
456
|
|
|
|
|
457
|
|
|
if ($len == strlen($sql)) { |
|
458
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('WHERE expression subtree', $k, $v, 'expr_type'); |
|
459
|
|
|
} |
|
460
|
|
|
|
|
461
|
|
|
$sql .= " "; |
|
462
|
|
|
} |
|
463
|
|
|
|
|
464
|
|
|
$sql = "(" . substr($sql, 0, -1) . ")"; |
|
465
|
|
|
return $sql; |
|
466
|
|
|
} |
|
467
|
|
|
|
|
468
|
|
|
protected function processOrderByAlias($parsed) { |
|
469
|
|
|
if ($parsed['expr_type'] !== 'alias') { |
|
470
|
|
|
return ""; |
|
471
|
|
|
} |
|
472
|
|
|
return $parsed['base_expr'] . $this->processDirection($parsed['direction']); |
|
473
|
|
|
} |
|
474
|
|
|
|
|
475
|
|
|
protected function processLimitRowCount($key, $value) { |
|
476
|
|
|
if ($key != 'rowcount') { |
|
477
|
|
|
return ""; |
|
478
|
|
|
} |
|
479
|
|
|
return $value; |
|
480
|
|
|
} |
|
481
|
|
|
|
|
482
|
|
|
protected function processLimitOffset($key, $value) { |
|
483
|
|
|
if ($key !== 'offset') { |
|
484
|
|
|
return ""; |
|
485
|
|
|
} |
|
486
|
|
|
return $value; |
|
487
|
|
|
} |
|
488
|
|
|
|
|
489
|
|
|
protected function processFunction($parsed) { |
|
490
|
|
|
if (empty($parsed['expr_type']) || (($parsed['expr_type'] !== 'aggregate_function') && ($parsed['expr_type'] !== 'function'))) { |
|
491
|
|
|
return ""; |
|
492
|
|
|
} |
|
493
|
|
|
|
|
494
|
|
|
if ($parsed['sub_tree'] === false) { |
|
495
|
|
|
return $parsed['base_expr'] . "()"; |
|
496
|
|
|
} |
|
497
|
|
|
|
|
498
|
|
|
$sql = ""; |
|
499
|
|
|
|
|
500
|
|
|
foreach ($parsed['sub_tree'] as $k => $v) { |
|
501
|
|
|
$len = strlen($sql); |
|
502
|
|
|
|
|
503
|
|
|
if (($this->isReserved($v) || $this->isOperator($v)) && !empty($sql) && substr($sql, -1) == ',') |
|
504
|
|
|
{ |
|
505
|
|
|
$sql = substr($sql, 0, -1) . ' '; |
|
506
|
|
|
} |
|
507
|
|
|
|
|
508
|
|
|
$sql .= (!empty($this->processReserved($v))) ? ',' . $this->processReserved($v) : $this->processReserved($v); |
|
509
|
|
|
$sql .= $this->processFunction($v); |
|
510
|
|
|
$sql .= $this->processConstant($v); |
|
511
|
|
|
$sql .= $this->processOperator($v); |
|
512
|
|
|
$sql .= $this->processColRef($v); |
|
513
|
|
|
$sql .= $this->processInList($v); |
|
514
|
|
|
$sql .= $this->processSelectBracketExpression($v); |
|
515
|
|
|
$sql .= $this->processSelectExpression($v); |
|
516
|
|
|
$sql .= $this->processSubQuery($v); |
|
517
|
|
|
|
|
518
|
|
|
if ($len == strlen($sql)) { |
|
519
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('function subtree', $k, $v, 'expr_type'); |
|
520
|
|
|
} |
|
521
|
|
|
|
|
522
|
|
|
$sql .= ($this->isReserved($v) || $this->isOperator($v) ? " " : ","); |
|
523
|
|
|
} |
|
524
|
|
|
|
|
525
|
|
|
$sql2 = $parsed['base_expr'] . "(" . substr($sql, 0, -1) . ")"; |
|
526
|
|
|
$sql2 .= !empty($parsed['alias']) ? $this->processAlias($parsed['alias']) : ''; |
|
527
|
|
|
|
|
528
|
|
|
return $sql2; |
|
529
|
|
|
} |
|
530
|
|
|
|
|
531
|
|
|
protected function processSelectExpression($parsed) { |
|
532
|
|
|
if ($parsed['expr_type'] !== 'expression') { |
|
533
|
|
|
return ""; |
|
534
|
|
|
} |
|
535
|
|
|
$sql = $this->processSubTree($parsed, " "); |
|
536
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
537
|
|
|
return $sql; |
|
538
|
|
|
} |
|
539
|
|
|
|
|
540
|
|
|
protected function processGroupByExpression($parsed) { |
|
541
|
|
|
if ($parsed['expr_type'] !== 'expression') { |
|
542
|
|
|
return ""; |
|
543
|
|
|
} |
|
544
|
|
|
$sql = $this->processSubTree($parsed, " "); |
|
545
|
|
|
return $sql; |
|
546
|
|
|
} |
|
547
|
|
|
|
|
548
|
|
|
protected function processOrderByExpression($parsed) { |
|
549
|
|
|
if ($parsed['expr_type'] !== 'expression') { |
|
550
|
|
|
return ""; |
|
551
|
|
|
} |
|
552
|
|
|
$sql = $this->processSubTree($parsed, " "); |
|
553
|
|
|
|
|
554
|
|
|
return $sql; |
|
555
|
|
|
} |
|
556
|
|
|
|
|
557
|
|
|
protected function processSelectBracketExpression($parsed) |
|
558
|
|
|
{ |
|
559
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'bracket_expression') |
|
560
|
|
|
{ |
|
561
|
|
|
return ""; |
|
562
|
|
|
} |
|
563
|
|
|
elseif (empty($parsed['sub_tree'])) |
|
564
|
|
|
{ |
|
565
|
|
|
return ""; |
|
566
|
|
|
} |
|
567
|
|
|
|
|
568
|
|
|
$sql = $this->processSubTree($parsed, " "); |
|
569
|
|
|
$sql .= $this->processColRef($parsed); |
|
570
|
|
|
$sql = "(" . $sql . ")"; |
|
571
|
|
|
$sql .= !empty($parsed['alias']) ? $this->processAlias($parsed['alias']) : ''; |
|
572
|
|
|
|
|
573
|
|
|
return $sql; |
|
574
|
|
|
} |
|
575
|
|
|
|
|
576
|
|
|
protected function processSubTree($parsed, $delim = " ") { |
|
577
|
|
|
if ($parsed['sub_tree'] === '') { |
|
578
|
|
|
return ""; |
|
579
|
|
|
} |
|
580
|
|
|
$sql = ""; |
|
581
|
|
|
foreach ($parsed['sub_tree'] as $k => $v) { |
|
582
|
|
|
$len = strlen($sql); |
|
583
|
|
|
|
|
584
|
|
|
if (($this->isReserved($v) || $this->isOperator($v)) && !empty($sql) && substr($sql, -1) == ',') |
|
585
|
|
|
{ |
|
586
|
|
|
$sql = substr($sql, 0, -1) . ' '; |
|
587
|
|
|
} |
|
588
|
|
|
|
|
589
|
|
|
$sql .= $this->processReserved($v); |
|
590
|
|
|
$sql .= $this->processFunction($v); |
|
591
|
|
|
$sql .= $this->processOperator($v); |
|
592
|
|
|
$sql .= $this->processConstant($v); |
|
593
|
|
|
$sql .= $this->processUserVariable($v); |
|
594
|
|
|
$sql .= $this->processSign($v); |
|
595
|
|
|
$sql .= $this->processSelectBracketExpression($v); |
|
596
|
|
|
$sql .= $this->processSelectExpression($v); |
|
597
|
|
|
$sql .= $this->processSubQuery($v); |
|
598
|
|
|
|
|
599
|
|
|
// Always last since it will give alias if needed |
|
600
|
|
|
$sql .= $this->processColRef($v); |
|
601
|
|
|
|
|
602
|
|
|
if ($len == strlen($sql)) { |
|
603
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('expression subtree', $k, $v, 'expr_type'); |
|
604
|
|
|
} |
|
605
|
|
|
|
|
606
|
|
|
$sql .= ($this->isReserved($v) || $this->isOperator($v) ? " " : $delim); |
|
607
|
|
|
} |
|
608
|
|
|
|
|
609
|
|
|
$sql = substr($sql, 0, -1); |
|
610
|
|
|
|
|
611
|
|
|
return $sql; |
|
612
|
|
|
} |
|
613
|
|
|
|
|
614
|
|
|
protected function processSign($parsed) { |
|
615
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] === 'sign') { |
|
616
|
|
|
return $parsed['base_expr']; |
|
617
|
|
|
} |
|
618
|
|
|
} |
|
619
|
|
|
|
|
620
|
|
|
protected function processRefClause($parsed) { |
|
621
|
|
|
if ($parsed === false) { |
|
622
|
|
|
return ""; |
|
623
|
|
|
} |
|
624
|
|
|
|
|
625
|
|
|
$sql = ""; |
|
626
|
|
|
foreach ($parsed as $k => $v) { |
|
627
|
|
|
$len = strlen($sql); |
|
628
|
|
|
|
|
629
|
|
|
if (($this->isReserved($v) || $this->isOperator($v)) && !empty($sql) && substr($sql, -1) == ',') |
|
630
|
|
|
{ |
|
631
|
|
|
$sql = substr($sql, 0, -1) . ' '; |
|
632
|
|
|
} |
|
633
|
|
|
|
|
634
|
|
|
$sql .= $this->processReserved($v); |
|
635
|
|
|
$sql .= $this->processColRef($v); |
|
636
|
|
|
$sql .= $this->processFunction($v); |
|
637
|
|
|
$sql .= $this->processOperator($v); |
|
638
|
|
|
$sql .= $this->processInList($v); |
|
639
|
|
|
$sql .= $this->processConstant($v); |
|
640
|
|
|
$sql .= $this->processSelectBracketExpression($v); |
|
641
|
|
|
$sql .= $this->processSelectExpression($v); |
|
642
|
|
|
$sql .= $this->processSubQuery($v); |
|
643
|
|
|
|
|
644
|
|
|
if ($len == strlen($sql)) { |
|
645
|
|
|
throw new RDatabaseSqlparserExceptioncreatesql('expression ref_clause', $k, $v, 'expr_type'); |
|
646
|
|
|
} |
|
647
|
|
|
|
|
648
|
|
|
$sql .= " "; |
|
649
|
|
|
} |
|
650
|
|
|
return "(" . substr($sql, 0, -1) . ")"; |
|
651
|
|
|
} |
|
652
|
|
|
|
|
653
|
|
|
protected function processAlias($parsed) { |
|
654
|
|
|
if ($parsed === false) { |
|
655
|
|
|
return ""; |
|
656
|
|
|
} |
|
657
|
|
|
$sql = ""; |
|
658
|
|
|
if (!empty($parsed['as'])) { |
|
659
|
|
|
$sql .= " as"; |
|
660
|
|
|
} |
|
661
|
|
|
if (!empty($parsed['name'])) { |
|
662
|
|
|
$sql .= " " . $parsed['name']; |
|
663
|
|
|
} |
|
664
|
|
|
|
|
665
|
|
|
return $sql; |
|
666
|
|
|
} |
|
667
|
|
|
|
|
668
|
|
|
protected function processJoin($parsed) { |
|
669
|
|
|
if ($parsed === 'CROSS') { |
|
670
|
|
|
return ","; |
|
671
|
|
|
} |
|
672
|
|
|
if ($parsed === 'JOIN') { |
|
673
|
|
|
return "INNER JOIN"; |
|
674
|
|
|
} |
|
675
|
|
|
if ($parsed === 'LEFT') { |
|
676
|
|
|
return "LEFT JOIN"; |
|
677
|
|
|
} |
|
678
|
|
|
if ($parsed === 'RIGHT') { |
|
679
|
|
|
return "RIGHT JOIN"; |
|
680
|
|
|
} |
|
681
|
|
|
// TODO: add more |
|
682
|
|
|
throw new Exception($parsed, 20); |
|
683
|
|
|
} |
|
684
|
|
|
|
|
685
|
|
|
protected function processRefType($parsed) { |
|
686
|
|
|
if ($parsed === false) { |
|
687
|
|
|
return ""; |
|
688
|
|
|
} |
|
689
|
|
|
if ($parsed === 'ON') { |
|
690
|
|
|
return " ON "; |
|
691
|
|
|
} |
|
692
|
|
|
if ($parsed === 'USING') { |
|
693
|
|
|
return " USING "; |
|
694
|
|
|
} |
|
695
|
|
|
// TODO: add more |
|
696
|
|
|
throw new Exception($parsed, 20); |
|
697
|
|
|
} |
|
698
|
|
|
|
|
699
|
|
|
protected function processTable($parsed, $index) { |
|
700
|
|
|
if ($parsed['expr_type'] !== 'table') { |
|
701
|
|
|
return ""; |
|
702
|
|
|
} |
|
703
|
|
|
|
|
704
|
|
|
$sql = $parsed['table']; |
|
705
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
706
|
|
|
|
|
707
|
|
|
if ($index !== 0) { |
|
708
|
|
|
$sql = $this->processJoin($parsed['join_type']) . " " . $sql; |
|
709
|
|
|
$sql .= $this->processRefType($parsed['ref_type']); |
|
710
|
|
|
$sql .= $this->processRefClause($parsed['ref_clause']); |
|
711
|
|
|
} |
|
712
|
|
|
return $sql; |
|
713
|
|
|
} |
|
714
|
|
|
|
|
715
|
|
|
protected function processTableExpression($parsed, $index) { |
|
716
|
|
|
if ($parsed['expr_type'] !== 'table_expression') { |
|
717
|
|
|
return ""; |
|
718
|
|
|
} |
|
719
|
|
|
$sql = substr($this->processFROM($parsed['sub_tree']), 5); // remove FROM keyword |
|
720
|
|
|
$sql = "(" . $sql . ")"; |
|
721
|
|
|
|
|
722
|
|
|
if (isset($parsed['alias'])) { |
|
723
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
724
|
|
|
} |
|
725
|
|
|
|
|
726
|
|
|
if ($index !== 0) { |
|
727
|
|
|
$sql = $this->processJoin($parsed['join_type']) . " " . $sql; |
|
728
|
|
|
$sql .= $this->processRefType($parsed['ref_type']); |
|
729
|
|
|
$sql .= $this->processRefClause($parsed['ref_clause']); |
|
730
|
|
|
} |
|
731
|
|
|
return $sql; |
|
732
|
|
|
} |
|
733
|
|
|
|
|
734
|
|
|
protected function processSubQuery($parsed, $index = 0) |
|
735
|
|
|
{ |
|
736
|
|
|
if ($parsed['expr_type'] !== 'subquery') |
|
737
|
|
|
{ |
|
738
|
|
|
return ""; |
|
739
|
|
|
} |
|
740
|
|
|
|
|
741
|
|
|
// We handle subqueries in a loop in sqltranslation file |
|
742
|
|
|
$sql = $parsed['base_expr']; |
|
743
|
|
|
$sql = "(" . $sql . ")"; |
|
744
|
|
|
|
|
745
|
|
|
if (isset($parsed['alias'])) |
|
746
|
|
|
{ |
|
747
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
748
|
|
|
} |
|
749
|
|
|
|
|
750
|
|
|
if ($index !== 0) |
|
751
|
|
|
{ |
|
752
|
|
|
$sql = $this->processJoin($parsed['join_type']) . " " . $sql; |
|
753
|
|
|
$sql .= $this->processRefType($parsed['ref_type']); |
|
754
|
|
|
$sql .= $this->processRefClause($parsed['ref_clause']); |
|
755
|
|
|
} |
|
756
|
|
|
|
|
757
|
|
|
return $sql; |
|
758
|
|
|
} |
|
759
|
|
|
|
|
760
|
|
|
protected function processOperator($parsed) { |
|
761
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'operator') { |
|
762
|
|
|
return ""; |
|
763
|
|
|
} |
|
764
|
|
|
return $parsed['base_expr']; |
|
765
|
|
|
} |
|
766
|
|
|
|
|
767
|
|
|
protected function processColRef($parsed) { |
|
768
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'colref') { |
|
769
|
|
|
return ""; |
|
770
|
|
|
} |
|
771
|
|
|
$sql = $parsed['base_expr']; |
|
772
|
|
|
if (isset($parsed['alias'])) { |
|
773
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
774
|
|
|
} |
|
775
|
|
|
if (isset($parsed['direction'])) { |
|
776
|
|
|
$sql .= $this->processDirection($parsed['direction']); |
|
777
|
|
|
} |
|
778
|
|
|
return $sql; |
|
779
|
|
|
} |
|
780
|
|
|
|
|
781
|
|
|
protected function processDirection($parsed) { |
|
782
|
|
|
$sql = ($parsed ? " " . $parsed : ""); |
|
783
|
|
|
return $sql; |
|
784
|
|
|
} |
|
785
|
|
|
|
|
786
|
|
|
protected function processReserved($parsed) |
|
787
|
|
|
{ |
|
788
|
|
|
if (!$this->isReserved($parsed)) |
|
789
|
|
|
{ |
|
790
|
|
|
return ""; |
|
791
|
|
|
} |
|
792
|
|
|
|
|
793
|
|
|
$sql = $parsed['base_expr']; |
|
794
|
|
|
|
|
795
|
|
|
if (isset($parsed['alias'])) |
|
796
|
|
|
{ |
|
797
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
798
|
|
|
} |
|
799
|
|
|
|
|
800
|
|
|
return $sql; |
|
801
|
|
|
} |
|
802
|
|
|
|
|
803
|
|
|
protected function isReserved($parsed) { |
|
804
|
|
|
return (!empty($parsed['expr_type']) && $parsed['expr_type'] === 'reserved'); |
|
805
|
|
|
} |
|
806
|
|
|
|
|
807
|
|
|
protected function isOperator($parsed) { |
|
808
|
|
|
return (!empty($parsed['expr_type']) && $parsed['expr_type'] === 'operator'); |
|
809
|
|
|
} |
|
810
|
|
|
|
|
811
|
|
|
protected function processConstant($parsed) { |
|
812
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'const') { |
|
813
|
|
|
return ""; |
|
814
|
|
|
} |
|
815
|
|
|
|
|
816
|
|
|
$sql = $parsed['base_expr']; |
|
817
|
|
|
|
|
818
|
|
|
if (isset($parsed['alias'])) { |
|
819
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
820
|
|
|
} |
|
821
|
|
|
|
|
822
|
|
|
return $sql; |
|
823
|
|
|
} |
|
824
|
|
|
|
|
825
|
|
|
protected function processUserVariable($parsed) |
|
826
|
|
|
{ |
|
827
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'user_variable') |
|
828
|
|
|
{ |
|
829
|
|
|
return ""; |
|
830
|
|
|
} |
|
831
|
|
|
|
|
832
|
|
|
$sql = $parsed['base_expr']; |
|
833
|
|
|
|
|
834
|
|
|
if (isset($parsed['alias'])) |
|
835
|
|
|
{ |
|
836
|
|
|
$sql .= $this->processAlias($parsed['alias']); |
|
837
|
|
|
} |
|
838
|
|
|
|
|
839
|
|
|
return $sql; |
|
840
|
|
|
} |
|
841
|
|
|
|
|
842
|
|
|
protected function processInList($parsed) { |
|
843
|
|
|
if (empty($parsed['expr_type']) || $parsed['expr_type'] !== 'in-list') { |
|
844
|
|
|
return ""; |
|
845
|
|
|
} |
|
846
|
|
|
$sql = $this->processSubTree($parsed, ","); |
|
847
|
|
|
return "(" . $sql . ")"; |
|
848
|
|
|
} |
|
849
|
|
|
|
|
850
|
|
|
} |
|
851
|
|
|
|
redCOMPONENT-COM /
redCORE
