update parser_sql
This commit is contained in:
shreesh arora
306
tools/parser_sql/processors/IndexProcessor.php
Normal file
306
tools/parser_sql/processors/IndexProcessor.php
Normal file
@@ -0,0 +1,306 @@
|
||||
<?php
|
||||
/**
|
||||
* IndexProcessor.php
|
||||
*
|
||||
* This file implements the processor for the INDEX statements.
|
||||
*
|
||||
* PHP version 5
|
||||
*
|
||||
* LICENSE:
|
||||
* Copyright (c) 2010-2014 Justin Swanhart and André Rothe
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* @author André Rothe <andre.rothe@phosco.info>
|
||||
* @copyright 2010-2014 Justin Swanhart and André Rothe
|
||||
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
|
||||
* @version SVN: $Id$
|
||||
*
|
||||
*/
|
||||
|
||||
namespace PHPSQLParser\processors;
|
||||
use PHPSQLParser\utils\ExpressionType;
|
||||
|
||||
/**
|
||||
* This class processes the INDEX statements.
|
||||
*
|
||||
* @author André Rothe <andre.rothe@phosco.info>
|
||||
* @license http://www.debian.org/misc/bsd.license BSD License (3 Clause)
|
||||
*
|
||||
*/
|
||||
class IndexProcessor extends AbstractProcessor {
|
||||
|
||||
protected function getReservedType($token) {
|
||||
return array('expr_type' => ExpressionType::RESERVED, 'base_expr' => $token);
|
||||
}
|
||||
|
||||
protected function getConstantType($token) {
|
||||
return array('expr_type' => ExpressionType::CONSTANT, 'base_expr' => $token);
|
||||
}
|
||||
|
||||
protected function getOperatorType($token) {
|
||||
return array('expr_type' => ExpressionType::OPERATOR, 'base_expr' => $token);
|
||||
}
|
||||
|
||||
protected function processIndexColumnList($parsed) {
|
||||
$processor = new IndexColumnListProcessor($this->options);
|
||||
return $processor->process($parsed);
|
||||
}
|
||||
|
||||
public function process($tokens) {
|
||||
|
||||
$currCategory = 'INDEX_NAME';
|
||||
$result = array('base_expr' => false, 'name' => false, 'no_quotes' => false, 'index-type' => false, 'on' => false,
|
||||
'options' => false);
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$skip = 0;
|
||||
|
||||
foreach ($tokens as $tokenKey => $token) {
|
||||
$trim = trim($token);
|
||||
$base_expr .= $token;
|
||||
|
||||
if ($skip > 0) {
|
||||
$skip--;
|
||||
continue;
|
||||
}
|
||||
|
||||
if ($skip < 0) {
|
||||
break;
|
||||
}
|
||||
|
||||
if ($trim === '') {
|
||||
continue;
|
||||
}
|
||||
|
||||
$upper = strtoupper($trim);
|
||||
switch ($upper) {
|
||||
|
||||
case 'USING':
|
||||
if ($prevCategory === 'CREATE_DEF') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$currCategory = 'TYPE_OPTION';
|
||||
continue 2;
|
||||
}
|
||||
if ($prevCategory === 'TYPE_DEF') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$currCategory = 'INDEX_TYPE';
|
||||
continue 2;
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
case 'KEY_BLOCK_SIZE':
|
||||
if ($prevCategory === 'CREATE_DEF') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$currCategory = 'INDEX_OPTION';
|
||||
continue 2;
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
case 'WITH':
|
||||
if ($prevCategory === 'CREATE_DEF') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$currCategory = 'INDEX_PARSER';
|
||||
continue 2;
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
case 'PARSER':
|
||||
if ($currCategory === 'INDEX_PARSER') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
continue 2;
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
case 'COMMENT':
|
||||
if ($prevCategory === 'CREATE_DEF') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$currCategory = 'INDEX_COMMENT';
|
||||
continue 2;
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
case 'ALGORITHM':
|
||||
case 'LOCK':
|
||||
if ($prevCategory === 'CREATE_DEF') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$currCategory = $upper . '_OPTION';
|
||||
continue 2;
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
case '=':
|
||||
// the optional operator
|
||||
if (substr($currCategory, -7, 7) === '_OPTION') {
|
||||
$expr[] = $this->getOperatorType($trim);
|
||||
continue 2; // don't change the category
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
case 'ON':
|
||||
if ($prevCategory === 'CREATE_DEF' || $prevCategory === 'TYPE_DEF') {
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$currCategory = 'TABLE_DEF';
|
||||
continue 2;
|
||||
}
|
||||
// else ?
|
||||
break;
|
||||
|
||||
default:
|
||||
switch ($currCategory) {
|
||||
|
||||
case 'COLUMN_DEF':
|
||||
if ($upper[0] === '(' && substr($upper, -1) === ')') {
|
||||
$cols = $this->processIndexColumnList($this->removeParenthesisFromStart($trim));
|
||||
$result['on']['base_expr'] .= $base_expr;
|
||||
$result['on']['sub_tree'] = array('expr_type' => ExpressionType::COLUMN_LIST,
|
||||
'base_expr' => $trim, 'sub_tree' => $cols);
|
||||
}
|
||||
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'CREATE_DEF';
|
||||
break;
|
||||
|
||||
case 'TABLE_DEF':
|
||||
// the table name
|
||||
$expr[] = $this->getConstantType($trim);
|
||||
// TODO: the base_expr should contain the column-def too
|
||||
$result['on'] = array('expr_type' => ExpressionType::TABLE, 'base_expr' => $base_expr,
|
||||
'name' => $trim, 'no_quotes' => $this->revokeQuotation($trim),
|
||||
'sub_tree' => false);
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'COLUMN_DEF';
|
||||
continue 3;
|
||||
|
||||
case 'INDEX_NAME':
|
||||
$result['base_expr'] = $result['name'] = $trim;
|
||||
$result['no_quotes'] = $this->revokeQuotation($trim);
|
||||
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'TYPE_DEF';
|
||||
break;
|
||||
|
||||
case 'INDEX_PARSER':
|
||||
// the parser name
|
||||
$expr[] = $this->getConstantType($trim);
|
||||
$result['options'][] = array('expr_type' => ExpressionType::INDEX_PARSER,
|
||||
'base_expr' => trim($base_expr), 'sub_tree' => $expr);
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'CREATE_DEF';
|
||||
|
||||
break;
|
||||
|
||||
case 'INDEX_COMMENT':
|
||||
// the index comment
|
||||
$expr[] = $this->getConstantType($trim);
|
||||
$result['options'][] = array('expr_type' => ExpressionType::COMMENT,
|
||||
'base_expr' => trim($base_expr), 'sub_tree' => $expr);
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'CREATE_DEF';
|
||||
|
||||
break;
|
||||
|
||||
case 'INDEX_OPTION':
|
||||
// the key_block_size
|
||||
$expr[] = $this->getConstantType($trim);
|
||||
$result['options'][] = array('expr_type' => ExpressionType::INDEX_SIZE,
|
||||
'base_expr' => trim($base_expr), 'size' => $upper,
|
||||
'sub_tree' => $expr);
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'CREATE_DEF';
|
||||
|
||||
break;
|
||||
|
||||
case 'INDEX_TYPE':
|
||||
case 'TYPE_OPTION':
|
||||
// BTREE or HASH
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
if ($currCategory === 'INDEX_TYPE') {
|
||||
$result['index-type'] = array('expr_type' => ExpressionType::INDEX_TYPE,
|
||||
'base_expr' => trim($base_expr), 'using' => $upper,
|
||||
'sub_tree' => $expr);
|
||||
} else {
|
||||
$result['options'][] = array('expr_type' => ExpressionType::INDEX_TYPE,
|
||||
'base_expr' => trim($base_expr), 'using' => $upper,
|
||||
'sub_tree' => $expr);
|
||||
}
|
||||
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'CREATE_DEF';
|
||||
break;
|
||||
|
||||
case 'LOCK_OPTION':
|
||||
// DEFAULT|NONE|SHARED|EXCLUSIVE
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$result['options'][] = array('expr_type' => ExpressionType::INDEX_LOCK,
|
||||
'base_expr' => trim($base_expr), 'lock' => $upper,
|
||||
'sub_tree' => $expr);
|
||||
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'CREATE_DEF';
|
||||
break;
|
||||
|
||||
case 'ALGORITHM_OPTION':
|
||||
// DEFAULT|INPLACE|COPY
|
||||
$expr[] = $this->getReservedType($trim);
|
||||
$result['options'][] = array('expr_type' => ExpressionType::INDEX_ALGORITHM,
|
||||
'base_expr' => trim($base_expr), 'algorithm' => $upper,
|
||||
'sub_tree' => $expr);
|
||||
|
||||
$expr = array();
|
||||
$base_expr = '';
|
||||
$currCategory = 'CREATE_DEF';
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
$prevCategory = $currCategory;
|
||||
$currCategory = '';
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
?>
|
||||
Reference in New Issue
Block a user