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<?php
declare(strict_types=1);
namespace PhpMyAdmin\SqlParser\Statements;
use PhpMyAdmin\SqlParser\Components\ArrayObj;
use PhpMyAdmin\SqlParser\Components\Condition;
use PhpMyAdmin\SqlParser\Components\Expression;
use PhpMyAdmin\SqlParser\Components\FunctionCall;
use PhpMyAdmin\SqlParser\Components\GroupKeyword;
use PhpMyAdmin\SqlParser\Components\IndexHint;
use PhpMyAdmin\SqlParser\Components\IntoKeyword;
use PhpMyAdmin\SqlParser\Components\JoinKeyword;
use PhpMyAdmin\SqlParser\Components\Limit;
use PhpMyAdmin\SqlParser\Components\OptionsArray;
use PhpMyAdmin\SqlParser\Components\OrderKeyword;
use PhpMyAdmin\SqlParser\Statement;
/**
* `SELECT` statement.
*
* SELECT
* [ALL | DISTINCT | DISTINCTROW ]
* [HIGH_PRIORITY]
* [MAX_STATEMENT_TIME = N]
* [STRAIGHT_JOIN]
* [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT]
* [SQL_CACHE | SQL_NO_CACHE] [SQL_CALC_FOUND_ROWS]
* select_expr [, select_expr ...]
* [FROM table_references
* [PARTITION partition_list]
* [WHERE where_condition]
* [GROUP BY {col_name | expr | position}
* [ASC | DESC], ... [WITH ROLLUP]]
* [HAVING where_condition]
* [ORDER BY {col_name | expr | position}
* [ASC | DESC], ...]
* [LIMIT {[offset,] row_count | row_count OFFSET offset}]
* [PROCEDURE procedure_name(argument_list)]
* [INTO OUTFILE 'file_name'
* [CHARACTER SET charset_name]
* export_options
* | INTO DUMPFILE 'file_name'
* | INTO var_name [, var_name]]
* [FOR UPDATE | LOCK IN SHARE MODE]]
*/
class SelectStatement extends Statement
{
/**
* Options for `SELECT` statements and their slot ID.
*
* @var array<string, int|array<int, int|string>>
* @psalm-var array<string, (positive-int|array{positive-int, ('var'|'var='|'expr'|'expr=')})>
*/
public static $OPTIONS = [
'ALL' => 1,
'DISTINCT' => 1,
'DISTINCTROW' => 1,
'HIGH_PRIORITY' => 2,
'MAX_STATEMENT_TIME' => [
3,
'var=',
],
'STRAIGHT_JOIN' => 4,
'SQL_SMALL_RESULT' => 5,
'SQL_BIG_RESULT' => 6,
'SQL_BUFFER_RESULT' => 7,
'SQL_CACHE' => 8,
'SQL_NO_CACHE' => 8,
'SQL_CALC_FOUND_ROWS' => 9,
];
/**
* @var array<string, int|array<int, int|string>>
* @psalm-var array<string, (positive-int|array{positive-int, ('var'|'var='|'expr'|'expr=')})>
*/
public static $END_OPTIONS = [
'FOR UPDATE' => 1,
'LOCK IN SHARE MODE' => 1,
];
/**
* The clauses of this statement, in order.
*
* @see Statement::$CLAUSES
*
* @var array<string, array<int, int|string>>
* @psalm-var array<string, array{non-empty-string, (1|2|3)}>
*/
public static $CLAUSES = [
'SELECT' => [
'SELECT',
2,
],
// Used for options.
'_OPTIONS' => [
'_OPTIONS',
1,
],
// Used for selected expressions.
'_SELECT' => [
'SELECT',
1,
],
'INTO' => [
'INTO',
3,
],
'FROM' => [
'FROM',
3,
],
'FORCE' => [
'FORCE',
1,
],
'USE' => [
'USE',
1,
],
'IGNORE' => [
'IGNORE',
3,
],
'PARTITION' => [
'PARTITION',
3,
],
'JOIN' => [
'JOIN',
1,
],
'FULL JOIN' => [
'FULL JOIN',
1,
],
'INNER JOIN' => [
'INNER JOIN',
1,
],
'LEFT JOIN' => [
'LEFT JOIN',
1,
],
'LEFT OUTER JOIN' => [
'LEFT OUTER JOIN',
1,
],
'RIGHT JOIN' => [
'RIGHT JOIN',
1,
],
'RIGHT OUTER JOIN' => [
'RIGHT OUTER JOIN',
1,
],
'NATURAL JOIN' => [
'NATURAL JOIN',
1,
],
'NATURAL LEFT JOIN' => [
'NATURAL LEFT JOIN',
1,
],
'NATURAL RIGHT JOIN' => [
'NATURAL RIGHT JOIN',
1,
],
'NATURAL LEFT OUTER JOIN' => [
'NATURAL LEFT OUTER JOIN',
1,
],
'NATURAL RIGHT OUTER JOIN' => [
'NATURAL RIGHT JOIN',
1,
],
'WHERE' => [
'WHERE',
3,
],
'GROUP BY' => [
'GROUP BY',
3,
],
'HAVING' => [
'HAVING',
3,
],
'ORDER BY' => [
'ORDER BY',
3,
],
'LIMIT' => [
'LIMIT',
3,
],
'PROCEDURE' => [
'PROCEDURE',
3,
],
'UNION' => [
'UNION',
1,
],
'EXCEPT' => [
'EXCEPT',
1,
],
'INTERSECT' => [
'INTERSECT',
1,
],
'_END_OPTIONS' => [
'_END_OPTIONS',
1,
],
// These are available only when `UNION` is present.
// 'ORDER BY' => ['ORDER BY', 3],
// 'LIMIT' => ['LIMIT', 3],
];
/**
* Expressions that are being selected by this statement.
*
* @var Expression[]
*/
public $expr = [];
/**
* Tables used as sources for this statement.
*
* @var Expression[]
*/
public $from = [];
/**
* Index hints
*
* @var IndexHint[]|null
*/
public $index_hints;
/**
* Partitions used as source for this statement.
*
* @var ArrayObj|null
*/
public $partition;
/**
* Conditions used for filtering each row of the result set.
*
* @var Condition[]|null
*/
public $where;
/**
* Conditions used for grouping the result set.
*
* @var GroupKeyword[]|null
*/
public $group;
/**
* Conditions used for filtering the result set.
*
* @var Condition[]|null
*/
public $having;
/**
* Specifies the order of the rows in the result set.
*
* @var OrderKeyword[]|null
*/
public $order;
/**
* Conditions used for limiting the size of the result set.
*
* @var Limit|null
*/
public $limit;
/**
* Procedure that should process the data in the result set.
*
* @var FunctionCall|null
*/
public $procedure;
/**
* Destination of this result set.
*
* @var IntoKeyword|null
*/
public $into;
/**
* Joins.
*
* @var JoinKeyword[]|null
*/
public $join;
/**
* Unions.
*
* @var SelectStatement[]
*/
public $union = [];
/**
* The end options of this query.
*
* @see static::$END_OPTIONS
*
* @var OptionsArray|null
*/
public $end_options;
/**
* Gets the clauses of this statement.
*
* @return array<string, array<int, int|string>>
* @psalm-return array<string, array{non-empty-string, (1|2|3)}>
*/
public function getClauses()
{
// This is a cheap fix for `SELECT` statements that contain `UNION`.
// The `ORDER BY` and `LIMIT` clauses should be at the end of the
// statement.
if (! empty($this->union)) {
$clauses = static::$CLAUSES;
unset($clauses['ORDER BY'], $clauses['LIMIT']);
$clauses['ORDER BY'] = [
'ORDER BY',
3,
];
$clauses['LIMIT'] = [
'LIMIT',
3,
];
return $clauses;
}
return static::$CLAUSES;
}
}
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