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phpMyAdmin/vendor/phpmyadmin/sql-parser/src/Statements/InsertStatement.php
vendored
Executable file
263
phpMyAdmin/vendor/phpmyadmin/sql-parser/src/Statements/InsertStatement.php
vendored
Executable file
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<?php
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/**
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* `INSERT` statement.
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*/
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namespace PhpMyAdmin\SqlParser\Statements;
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use PhpMyAdmin\SqlParser\Components\ArrayObj;
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use PhpMyAdmin\SqlParser\Components\Array2d;
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use PhpMyAdmin\SqlParser\Components\IntoKeyword;
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use PhpMyAdmin\SqlParser\Components\OptionsArray;
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use PhpMyAdmin\SqlParser\Components\SetOperation;
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use PhpMyAdmin\SqlParser\Parser;
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use PhpMyAdmin\SqlParser\Statement;
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use PhpMyAdmin\SqlParser\Token;
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use PhpMyAdmin\SqlParser\TokensList;
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/**
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* `INSERT` statement.
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*
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* INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
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* [INTO] tbl_name
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* [PARTITION (partition_name,...)]
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* [(col_name,...)]
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* {VALUES | VALUE} ({expr | DEFAULT},...),(...),...
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* [ ON DUPLICATE KEY UPDATE
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* col_name=expr
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* [, col_name=expr] ... ]
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*
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* or
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*
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* INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE]
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* [INTO] tbl_name
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* [PARTITION (partition_name,...)]
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* SET col_name={expr | DEFAULT}, ...
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* [ ON DUPLICATE KEY UPDATE
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* col_name=expr
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* [, col_name=expr] ... ]
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*
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* or
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*
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* INSERT [LOW_PRIORITY | HIGH_PRIORITY] [IGNORE]
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* [INTO] tbl_name
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* [PARTITION (partition_name,...)]
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* [(col_name,...)]
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* SELECT ...
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* [ ON DUPLICATE KEY UPDATE
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* col_name=expr
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* [, col_name=expr] ... ]
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*
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* @category Statements
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*
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* @license https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+
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*/
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class InsertStatement extends Statement
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{
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/**
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* Options for `INSERT` statements.
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*
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* @var array
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*/
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public static $OPTIONS = array(
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'LOW_PRIORITY' => 1,
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'DELAYED' => 2,
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'HIGH_PRIORITY' => 3,
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'IGNORE' => 4
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);
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/**
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* Tables used as target for this statement.
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*
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* @var IntoKeyword
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*/
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public $into;
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/**
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* Values to be inserted.
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*
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* @var ArrayObj[]|null
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*/
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public $values;
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/**
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* If SET clause is present
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* holds the SetOperation.
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*
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* @var SetOperation[]
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*/
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public $set;
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/**
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* If SELECT clause is present
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* holds the SelectStatement.
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*
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* @var SelectStatement
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*/
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public $select;
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/**
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* If ON DUPLICATE KEY UPDATE clause is present
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* holds the SetOperation.
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*
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* @var SetOperation[]
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*/
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public $onDuplicateSet;
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/**
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* @return string
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*/
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public function build()
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{
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$ret = 'INSERT ' . $this->options;
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$ret = trim($ret) . ' INTO ' . $this->into;
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if (! is_null($this->values) && count($this->values) > 0) {
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$ret .= ' VALUES ' . Array2d::build($this->values);
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} elseif (! is_null($this->set) && count($this->set) > 0) {
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$ret .= ' SET ' . SetOperation::build($this->set);
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} elseif (! is_null($this->select) && strlen($this->select) > 0) {
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$ret .= ' ' . $this->select->build();
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}
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if (! is_null($this->onDuplicateSet) && count($this->onDuplicateSet) > 0) {
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$ret .= ' ON DUPLICATE KEY UPDATE ' . SetOperation::build($this->onDuplicateSet);
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}
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return $ret;
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}
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/**
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* @param Parser $parser the instance that requests parsing
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* @param TokensList $list the list of tokens to be parsed
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*/
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public function parse(Parser $parser, TokensList $list)
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{
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++$list->idx; // Skipping `INSERT`.
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// parse any options if provided
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$this->options = OptionsArray::parse(
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$parser,
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$list,
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static::$OPTIONS
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);
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++$list->idx;
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/**
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* The state of the parser.
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*
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* Below are the states of the parser.
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*
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* 0 ---------------------------------[ INTO ]----------------------------------> 1
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*
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* 1 -------------------------[ VALUES/VALUE/SET/SELECT ]-----------------------> 2
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*
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* 2 -------------------------[ ON DUPLICATE KEY UPDATE ]-----------------------> 3
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*
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* @var int
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*/
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$state = 0;
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/**
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* For keeping track of semi-states on encountering
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* ON DUPLICATE KEY UPDATE ...
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*/
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$miniState = 0;
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for (; $list->idx < $list->count; ++$list->idx) {
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/**
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* Token parsed at this moment.
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*
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* @var Token
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*/
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$token = $list->tokens[$list->idx];
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// End of statement.
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if ($token->type === Token::TYPE_DELIMITER) {
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break;
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}
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// Skipping whitespaces and comments.
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if (($token->type === Token::TYPE_WHITESPACE) || ($token->type === Token::TYPE_COMMENT)) {
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continue;
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}
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if ($state === 0) {
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if ($token->type === Token::TYPE_KEYWORD
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&& $token->keyword !== 'INTO'
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) {
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$parser->error('Unexpected keyword.', $token);
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break;
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}
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++$list->idx;
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$this->into = IntoKeyword::parse(
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$parser,
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$list,
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array('fromInsert' => true)
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);
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$state = 1;
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} elseif ($state === 1) {
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if ($token->type === Token::TYPE_KEYWORD) {
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if ($token->keyword === 'VALUE'
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|| $token->keyword === 'VALUES'
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) {
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++$list->idx; // skip VALUES
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$this->values = Array2d::parse($parser, $list);
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} elseif ($token->keyword === 'SET') {
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++$list->idx; // skip SET
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$this->set = SetOperation::parse($parser, $list);
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} elseif ($token->keyword === 'SELECT') {
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$this->select = new SelectStatement($parser, $list);
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} else {
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$parser->error(
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'Unexpected keyword.',
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$token
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);
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break;
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}
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$state = 2;
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$miniState = 1;
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} else {
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$parser->error(
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'Unexpected token.',
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$token
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);
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break;
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}
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} elseif ($state === 2) {
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$lastCount = $miniState;
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if ($miniState === 1 && $token->keyword === 'ON') {
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++$miniState;
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} elseif ($miniState === 2 && $token->keyword === 'DUPLICATE') {
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++$miniState;
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} elseif ($miniState === 3 && $token->keyword === 'KEY') {
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++$miniState;
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} elseif ($miniState === 4 && $token->keyword === 'UPDATE') {
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++$miniState;
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}
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if ($lastCount === $miniState) {
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$parser->error(
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'Unexpected token.',
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$token
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);
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break;
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}
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if ($miniState === 5) {
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++$list->idx;
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$this->onDuplicateSet = SetOperation::parse($parser, $list);
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$state = 3;
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}
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}
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}
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--$list->idx;
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}
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}
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