public function convertSqlToJob(SQLTokenIterator $tokens)
{
$tokens->seekTokenNum(SqlToken::T_UPDATE());
if ($tokens->getCurrentTokenNumber() !== SqlToken::T_UPDATE()) {
throw new ErrorException("Tried to parse update statement when token-iterator does not point to T_UPDATE!");
}
$dataChange = new UpdateDataChange();
$updateJob = new UpdateStatement();
if ($tokens->seekTokenNum(SqlToken::T_LOW_PRIORITY())) {
$updateJob->setIsLowPriority(true);
}
if ($tokens->seekTokenNum(SqlToken::T_IGNORE())) {
$updateJob->setDoIgnoreErrors(true);
}
do {
if (!$this->tableParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing table specifier in UPDATE statement!", $tokens);
}
$updateJob->addTable($this->tableParser->convertSqlToJob($tokens));
} while ($tokens->seekTokenText(','));
if (!$tokens->seekTokenNum(SqlToken::T_SET())) {
throw new MalformedSqlException("Missing SET after table specifier in UPDATE statement!", $tokens);
}
do {
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column specifier for SET part in UPDATE statement!", $tokens);
}
$dataChange->setColumn($this->columnParser->convertSqlToJob($tokens));
if (!$tokens->seekTokenText('=')) {
throw new MalformedSqlException("Missing '=' on SET part in UPDATE statement!", $tokens);
}
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("MIssing valid value on SET part in UPDATE statement!", $tokens);
}
$dataChange->setValue($this->valueParser->convertSqlToJob($tokens));
$updateJob->addDataChange(clone $dataChange);
} while ($tokens->seekTokenText(','));
if ($tokens->seekTokenNum(SqlToken::T_WHERE())) {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing condition for WHERE clause in UPDATE statement!", $tokens);
}
$updateJob->setCondition($this->valueParser->convertSqlToJob($tokens));
}
if ($tokens->seekTokenNum(SqlToken::T_ORDER())) {
if (!$tokens->seekTokenNum(SqlToken::T_BY())) {
throw new MalformedSqlException("Missing BY after ORDER on UPDATE statement!", $tokens);
}
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column specifier for ORDER BY part on UPDATE statement!", $tokens);
}
$updateJob->setOrderColumn($this->columnParser->convertSqlToJob($tokens));
if ($tokens->seekTokenNum(SqlToken::T_DESC())) {
$updateJob->setOrderDirection(SqlToken::T_DESC());
} elseif ($tokens->seekTokenNum(SqlToken::T_ASC())) {
$updateJob->setOrderDirection(SqlToken::T_ASC());
}
}
if ($tokens->seekTokenNum(SqlToken::T_LIMIT())) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing offset number for LIMIT part in UPDATE statement!", $tokens);
}
$updateJob->setLimitOffset((int) $tokens->getCurrentTokenString());
if ($tokens->seekTokenText(',')) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing length number for LIMIT part in UPDATE statement!", $tokens);
}
$updateJob->setLimitRowCount((int) $tokens->getCurrentTokenString());
}
}
return $updateJob;
}
public function convertSqlToJob(SQLTokenIterator $tokens, $from = TokenIterator::NEXT)
{
if (!$tokens->seekTokenText('(', $from)) {
throw new ErrorException("Tried to parse sql-parenthesis when token-iterator does not point to paranthesis ('(' sign)!");
}
/* @var $parenthesis ParenthesisPart */
$parenthesis = new ParenthesisPart();
switch (true) {
case $this->selectParser->canParseTokens($tokens):
$parenthesis->setContain($this->selectParser->convertSqlToJob($tokens));
break;
case $this->valueParser->canParseTokens($tokens):
$parenthesis->setContain($this->valueParser->convertSqlToJob($tokens));
break;
}
if (!$tokens->seekTokenText(')')) {
throw new MalformedSqlException("Missing ')' at the end of a parenthesis!", $tokens);
}
if ($tokens->seekTokenNum(T_STRING, TokenIterator::NEXT, [SqlToken::T_AS()])) {
$parenthesis->setAlias($tokens->getCurrentTokenString());
}
if ($parenthesis->getContain() instanceof Select && $tokens->isTokenNum(SqlToken::T_UNION())) {
$unionSelect = new Select();
while ($tokens->seekTokenNum(SqlToken::T_UNION())) {
/* @var $lastUnionedSelect Select */
$lastUnionedSelect = $parenthesis->getContain();
while (!is_null($lastUnionedSelect->getUnionSelect())) {
$lastUnionedSelect = $lastUnionedSelect->getUnionSelect();
}
$isUnionAll = $tokens->seekTokenNum(SqlToken::T_ALL());
$isUnionDistinct = $tokens->seekTokenNum(SqlToken::T_DISTINCT());
$isUnionAll = $isUnionAll || $tokens->seekTokenNum(SqlToken::T_ALL());
if ($isUnionAll && $isUnionDistinct) {
throw new MalformedSqlException("UNION cannot be ALL and DISTINCT at the same time!", $tokens);
}
$isUnionInParenthesis = $tokens->seekTokenText('(');
if (!$this->selectParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing following SELECT statement after UNION in SELECT statement!", $tokens);
}
$lastUnionedSelect->setUnionSelect($this->selectParser->convertSqlToJob($tokens), $isUnionDistinct);
if ($isUnionInParenthesis && !$tokens->seekTokenText(')')) {
throw new MalformedSqlException("Missing ending parenthesis after UNION in SELECT statement!", $tokens);
}
}
$unionSelect->setUnionSelect($parenthesis->getContain());
### APPENDED CONDITION (HAVING)
if ($tokens->seekTokenNum(SqlToken::T_HAVING())) {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing condition for WHERE clause in SELECT statement!", $tokens);
}
$condition = new Condition();
$condition->setFirstParameter($this->valueParser->convertSqlToJob($tokens));
$unionSelect->setResultFilter($condition);
}
### ORDER
if ($tokens->seekTokenNum(SqlToken::T_ORDER())) {
if (!$tokens->seekTokenNum(SqlToken::T_BY())) {
throw new MalformedSqlException("Missing BY after ORDER on SELECT statement!", $tokens);
}
do {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing value for ORDER BY part on SELECT statement!", $tokens);
}
$orderValue = $this->valueParser->convertSqlToJob($tokens);
if ($tokens->seekTokenNum(SqlToken::T_DESC())) {
$unionSelect->addOrderColumn($orderValue, SqlToken::T_DESC());
} else {
$tokens->seekTokenNum(SqlToken::T_ASC());
$unionSelect->addOrderColumn($orderValue, SqlToken::T_ASC());
}
} while ($tokens->seekTokenText(','));
}
### LIMIT
if ($tokens->seekTokenNum(SqlToken::T_LIMIT())) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing offset number for LIMIT part in SELECT statement!", $tokens);
}
$unionSelect->setLimitOffset((int) $tokens->getCurrentTokenString());
if ($tokens->seekTokenText(',')) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing length number for LIMIT part in SELECT statement!", $tokens);
}
$unionSelect->setLimitRowCount((int) $tokens->getCurrentTokenString());
}
}
$parenthesis->setContain($unionSelect);
}
return $parenthesis;
}
public function convertSqlToJob(SQLTokenIterator $tokens)
{
$tokens->seekTokenNum(SqlToken::T_DELETE());
if ($tokens->getCurrentTokenNumber() !== SqlToken::T_DELETE()) {
throw new ErrorException("Tried to parse DELETE statement when token iterator is not at T_DELETE!");
}
$deleteJob = new DeleteStatement();
if ($tokens->seekTokenNum(SqlToken::T_LOW_PRIORITY())) {
$deleteJob->setIsLowPriority(true);
}
if ($tokens->seekTokenNum(SqlToken::T_QUICK())) {
$deleteJob->setIsQuick(true);
}
if ($tokens->seekTokenNum(SqlToken::T_IGNORE())) {
$deleteJob->setIsIgnore(true);
}
if ($tokens->seekTokenNum(SqlToken::T_FROM())) {
do {
if (!$this->tableParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid table specifier in DELETE statement!", $tokens);
}
$deleteJob->addDeleteTable($this->tableParser->convertSqlToJob($tokens));
if ($tokens->seekTokenText('.')) {
if (!$tokens->seekTokenText('*')) {
throw new MalformedSqlException("Only '*' allowed for column specification in DELETE statement!", $tokens);
}
}
} while ($tokens->seekTokenText(','));
if ($tokens->seekTokenNum(SqlToken::T_USING())) {
if (!$this->joinParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid JOIN definition after USING in DELETE statement!", $tokens);
}
$deleteJob->setJoinDefinition($this->joinParser->convertSqlToJob($tokens));
}
} else {
do {
if (!$this->tableParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid table specifier in DELETE statement!", $tokens);
}
$deleteJob->addDeleteTable($this->tableParser->convertSqlToJob($tokens));
if ($tokens->seekTokenText('.')) {
if (!$tokens->seekTokenText('*')) {
throw new MalformedSqlException("Only '*' allowed for column specification in DELETE statement!", $tokens);
}
}
} while ($tokens->seekTokenText(','));
if ($tokens->seekTokenNum(SqlToken::T_FROM())) {
if (!$this->joinParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid JOIN definition after FROM in DELETE statement!", $tokens);
}
$deleteJob->setJoinDefinition($this->joinParser->convertSqlToJob($tokens));
}
}
if ($tokens->seekTokenNum(SqlToken::T_WHERE())) {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing condition for WHERE clause in UPDATE statement!", $tokens);
}
$deleteJob->setCondition($this->valueParser->convertSqlToJob($tokens));
}
if ($tokens->seekTokenNum(SqlToken::T_ORDER())) {
if (!$tokens->seekTokenNum(SqlToken::T_BY())) {
throw new MalformedSqlException("Missing BY after ORDER on DELETE statement!", $tokens);
}
if (!$columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column specifier for ORDER BY part on DELETE statement!", $tokens);
}
$deleteJob->setOrderColumn($columnParser->convertSqlToJob($tokens));
if ($tokens->seekTokenNum(SqlToken::T_DESC())) {
$deleteJob->setOrderDirection(SqlToken::T_DESC());
} elseif ($tokens->seekTokenNum(SqlToken::T_ASC())) {
$deleteJob->setOrderDirection(SqlToken::T_ASC());
}
}
if ($tokens->seekTokenNum(SqlToken::T_LIMIT())) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing offset number for LIMIT part in DELETE statement!", $tokens);
}
$deleteJob->setLimitOffset((int) $tokens->getCurrentTokenString());
if ($tokens->seekTokenText(',')) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing length number for LIMIT part in DELETE statement!", $tokens);
}
$deleteJob->setLimitRowCount((int) $tokens->getCurrentTokenString());
}
}
return $deleteJob;
}
public function convertSqlToJob(SQLTokenIterator $tokens)
{
// catch both cases when select is current AND when its next token.
$tokens->seekTokenNum(SqlToken::T_SELECT());
if ($tokens->getCurrentTokenNumber() !== SqlToken::T_SELECT()) {
throw new ErrorException("Tried to convert select-sql to job when sql-token-iterator does not point to T_SELECT!");
}
$entitySelect = new SelectStatement();
### SPECIAL FLAGS
foreach ([[SpecialFlags::FLAG_ALL(), SqlToken::T_ALL()], [SpecialFlags::FLAG_DISTINCT(), SqlToken::T_DISTINCT()], [SpecialFlags::FLAG_DISTINCTROW(), SqlToken::T_DISTINCTROW()], [SpecialFlags::FLAG_HIGH_PRIORITY(), SqlToken::T_HIGH_PRIORITY()], [SpecialFlags::FLAG_STRAIGHT_JOIN(), SqlToken::T_STRAIGHT_JOIN()], [SpecialFlags::FLAG_SQL_SMALL_RESULT(), SqlToken::T_SQL_SMALL_RESULT()], [SpecialFlags::FLAG_SQL_BIG_RESULT(), SqlToken::T_SQL_BIG_RESULT()], [SpecialFlags::FLAG_SQL_BUFFER_RESULT(), SqlToken::T_SQL_BUFFER_RESULT()], [SpecialFlags::FLAG_SQL_CACHE(), SqlToken::T_SQL_CACHE()], [SpecialFlags::FLAG_SQL_NO_CACHE(), SqlToken::T_SQL_NO_CACHE()], [SpecialFlags::FLAG_SQL_CALC_FOUND_ROWS(), SqlToken::T_SQL_CALC_FOUND_ROWS()]] as $pair) {
list($flagValue, $tokenNum) = $pair;
if ($tokens->seekTokenNum($tokenNum)) {
$entitySelect->addFlag($flagValue);
}
}
### COLLECT COLUMNS
do {
try {
switch (true) {
# parse jokers like: fooTable.*
case is_int($tokens->isTokenText('*', TokenIterator::NEXT, [T_STRING, '.'])):
if ($this->tableParser->canParseTokens($tokens)) {
$tableFilter = $this->tableParser->convertSqlToJob($tokens);
} else {
$tableFilter = null;
}
$tokens->seekTokenText('*', TokenIterator::NEXT, [T_STRING, '.']);
$entitySelect->addColumnAllTable($tableFilter);
break;
case $this->valueParser->canParseTokens($tokens):
$value = $this->valueParser->convertSqlToJob($tokens);
if ($tokens->seekTokenNum(T_STRING, TokenIterator::NEXT, [SqlToken::T_AS()])) {
$entitySelect->addColumnValue($value, $tokens->getCurrentTokenString());
} else {
$entitySelect->addColumnValue($value);
}
break;
default:
throw new MalformedSqlException("Non-column-sql found in column-part of select!", $tokens);
}
} catch (MalformedSqlException $exception) {
throw new MalformedSqlException($exception->getMessage(), $tokens);
}
} while ($tokens->seekTokenText(','));
### COLLECT TABLES
if ($tokens->seekTokenNum(SqlToken::T_FROM())) {
if (!$this->joinParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid join definition after FROM in SELECT statement!", $tokens);
}
$entitySelect->setJoinDefinition($this->joinParser->convertSqlToJob($tokens));
}
### PREPENDED CONDITION (WHERE)
if ($tokens->seekTokenNum(SqlToken::T_WHERE())) {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing condition for WHERE clause in SELECT statement!", $tokens);
}
$entitySelect->setCondition($this->valueParser->convertSqlToJob($tokens));
}
### GROUP
if ($tokens->seekTokenNum(SqlToken::T_GROUP())) {
if (!$tokens->seekTokenNum(SqlToken::T_BY())) {
throw new MalformedSqlException("Missing BY after GROUP in SELECT statement!", $tokens);
}
do {
$groupingDefinition = new GroupingDefinition();
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Invalid grouping value in SELECT statement!!", $tokens);
}
$groupingDefinition->setValue($this->columnParser->convertSqlToJob($tokens));
if ($tokens->seekTokenNum(SqlToken::T_DESC())) {
$groupingDefinition->setDirection(SqlToken::T_DESC());
} elseif ($tokens->seekTokenNum(SqlToken::T_ASC())) {
$groupingDefinition->setDirection(SqlToken::T_ASC());
}
$entitySelect->addGrouping($groupingDefinition);
} while ($tokens->seekTokenText(','));
}
### APPENDED CONDITION (HAVING)
if ($tokens->seekTokenNum(SqlToken::T_HAVING())) {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing condition for WHERE clause in SELECT statement!", $tokens);
}
$condition = new ConditionJob();
$condition->setFirstParameter($this->valueParser->convertSqlToJob($tokens));
$entitySelect->setResultFilter($condition);
}
### ORDER
if ($tokens->seekTokenNum(SqlToken::T_ORDER())) {
if (!$tokens->seekTokenNum(SqlToken::T_BY())) {
throw new MalformedSqlException("Missing BY after ORDER on SELECT statement!", $tokens);
}
do {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing value for ORDER BY part on SELECT statement!", $tokens);
}
$orderValue = $this->valueParser->convertSqlToJob($tokens);
if ($tokens->seekTokenNum(SqlToken::T_DESC())) {
$entitySelect->addOrderColumn($orderValue, SqlToken::T_DESC());
} else {
$tokens->seekTokenNum(SqlToken::T_ASC());
$entitySelect->addOrderColumn($orderValue, SqlToken::T_ASC());
}
} while ($tokens->seekTokenText(','));
}
### LIMIT
if ($tokens->seekTokenNum(SqlToken::T_LIMIT())) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing offset number for LIMIT part in SELECT statement!", $tokens);
}
$entitySelect->setLimitOffset((int) $tokens->getCurrentTokenString());
if ($tokens->seekTokenText(',')) {
if (!$tokens->seekTokenNum(T_NUM_STRING)) {
throw new MalformedSqlException("Missing length number for LIMIT part in SELECT statement!", $tokens);
}
$entitySelect->setLimitRowCount((int) $tokens->getCurrentTokenString());
}
}
### PROCEDURE
if ($tokens->seekTokenNum(SqlToken::T_PROCEDURE())) {
if (!$functionParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid procedure specifier after PROCEDURE!", $tokens);
}
$entitySelect->setProcedure($functionParser->convertSqlToJob($tokens));
}
### INTO OUTFILE|DUMPFILE
if ($tokens->seekTokenNum(SqlToken::T_INTO())) {
if (!$tokens->seekTokenNum(SqlToken::T_OUTFILE()) && !$tokens->seekTokenNum(SqlToken::T_DUMPFILE())) {
throw new MalformedSqlException("Missing OUTFILE or DUMPFILE after INTO!", $tokens);
}
if (!$tokens->seekTokenNum(T_CONSTANT_ENCAPSED_STRING)) {
throw new MalformedSqlException("Missing escaped string after INTO OUTFILE!");
}
$entitySelect->setIntoOutFile($tokens->seekTokenText($searchToken));
}
### FOR UPDATE
if ($tokens->seekTokenNum(SqlToken::T_FOR())) {
if (!$tokens->seekTokenNum(SqlToken::T_UPDATE())) {
throw new MalformedSqlException("Missing UPDATE after FOR on FOR UPDATE parameter in SELECT statement!", $tokens);
}
$entitySelect->setIsForUpdate(true);
}
### LOCK IN SHARE MODE
if ($tokens->seekTokenNum(SqlToken::T_LOCK())) {
if (!$tokens->seekTokenNum(SqlToken::T_IN())) {
throw new MalformedSqlException("Missing UPDATE after FOR on FOR UPDATE parameter in SELECT statement!", $tokens);
}
if (!$tokens->seekTokenNum(SqlToken::T_SHARE())) {
throw new MalformedSqlException("Missing UPDATE after FOR on FOR UPDATE parameter in SELECT statement!", $tokens);
}
if (!$tokens->seekTokenNum(SqlToken::T_MODE())) {
throw new MalformedSqlException("Missing UPDATE after FOR on FOR UPDATE parameter in SELECT statement!", $tokens);
}
$entitySelect->setIsLockInShareMode(true);
}
### UNION
if ($tokens->seekTokenNum(SqlToken::T_UNION())) {
$isUnionAll = $tokens->seekTokenNum(SqlToken::T_ALL());
$isUnionDistinct = $tokens->seekTokenNum(SqlToken::T_DISTINCT());
$isUnionAll = $isUnionAll || $tokens->seekTokenNum(SqlToken::T_ALL());
if ($isUnionAll && $isUnionDistinct) {
throw new MalformedSqlException("UNION cannot be ALL and DISTINCT at the same time!", $tokens);
}
$isUnionInParenthesis = $tokens->seekTokenText('(');
if (!$this->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing following SELECT statement after UNION in SELECT statement!", $tokens);
}
$entitySelect->setUnionSelect($this->convertSqlToJob($tokens), $isUnionDistinct);
if ($isUnionInParenthesis && !$tokens->seekTokenText(')')) {
throw new MalformedSqlException("Missing ending parenthesis after UNION in SELECT statement!", $tokens);
}
}
return $entitySelect;
}
