public function convertSqlToJob(SQLTokenIterator $tokens)
{
$tokens->seekTokenNum(SqlToken::T_DROP());
if ($tokens->getCurrentTokenNumber() !== SqlToken::T_DROP()) {
throw new ErrorException("Tried to parse sql-drop when token-iterator does not point to T_DROP!");
}
$dropJob = new DropStatement();
if ($tokens->seekTokenNum(SqlToken::T_TEMPORARY())) {
$dropJob->setIsTemporary(true);
}
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_SCHEMA(), TokenIterator::NEXT):
case $tokens->seekTokenNum(SqlToken::T_DATABASE()):
$dropJob->setType(DropStatement::TYPE_DATABASE);
break;
case $tokens->seekTokenNum(SqlToken::T_TABLE()):
$dropJob->setType(DropStatement::TYPE_TABLE);
break;
case $tokens->seekTokenNum(SqlToken::T_VIEW()):
$dropJob->setType(DropStatement::TYPE_VIEW);
break;
}
if ($tokens->seekTokenNum(SqlToken::T_IF())) {
if (!$tokens->seekTokenNum(SqlToken::T_EXISTS())) {
throw new MalformedSqlException("Malformed drop-statement (missing T_EXISTS after T_IF)!");
}
$dropJob->setOnlyIfExist(true);
} else {
$dropJob->setOnlyIfExist(false);
}
do {
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing a subject to drop for T_DROP statement!", $tokens);
}
$subject = $this->valueParser->convertSqlToJob($tokens);
$dropJob->addSubject($subject);
} while ($tokens->seekTokenText(','));
if ($tokens->seekTokenNum(SqlToken::T_RESTRICT())) {
$dropJob->setReferenceOption(ReferenceOption::RESTRICT());
if ($tokens->seekTokenNum(SqlToken::T_CASCADE())) {
throw new MalformedSqlException("Conflicting T_RESTRICT with T_CASCADE!", $tokens);
}
}
if ($tokens->seekTokenNum(SqlToken::T_CASCADE())) {
$dropJob->setReferenceOption(ReferenceOption::CASCADE());
if ($tokens->seekTokenNum(SqlToken::T_RESTRICT())) {
throw new MalformedSqlException("Conflicting T_RESTRICT with T_CASCADE!", $tokens);
}
}
return $dropJob;
}
public function convertSqlToJob(SQLTokenIterator $tokens)
{
$alterJob = new AlterStatement();
$tokens->seekTokenNum(SqlToken::T_ALTER());
if ($tokens->getCurrentTokenNumber() !== SqlToken::T_ALTER()) {
throw new ErrorException("Tried to parse an ALTER statement when token-iterator does not point to T_ALTER!");
}
$alterJob->setDoIgnoreErrors($tokens->seekTokenNum(SqlToken::T_IGNORE()));
if (!$tokens->seekTokenNum(SqlToken::T_TABLE())) {
throw new MalformedSqlException("Missing TABLE for ALTER statement!", $tokens);
}
if (!$this->tableParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing Table-Specifier for ALTER TABLE statement!");
}
$alterJob->setTable($this->tableParser->convertSqlToJob($tokens));
$dataChange = new AlterTableDataChange();
do {
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_ADD()):
$isInParenthesises = $tokens->seekTokenText('(');
do {
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_COLUMN()):
if ($tokens->seekTokenText('(')) {
do {
if (!$this->columnDefinitionParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column definition after ALTER TABLE ADD COLUMN!", $tokens);
}
$dataChange->setAttribute(AlterAttributeType::ADD());
$dataChange->setSubjectColumnDefinition($this->columnDefinitionParser->convertSqlToJob($tokens));
$alterJob->addDataChange(clone $dataChange);
} while ($tokens->seekTokenText(','));
if (!$tokens->seekTokenText(')')) {
throw new MalformedSqlException("Missing ending parenthesis after column list", $tokens);
}
} else {
if (!$this->columnDefinitionParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column definition after ALTER TABLE ADD COLUMN!", $tokens);
}
$dataChange->setAttribute(AlterAttributeType::ADD());
$dataChange->setSubjectColumnDefinition($this->columnDefinitionParser->convertSqlToJob($tokens));
$alterJob->addDataChange(clone $dataChange);
}
break;
case $this->columnDefinitionParser->canParseTokens($tokens):
$dataChange->setAttribute(AlterAttributeType::ADD());
$dataChange->setSubjectColumnDefinition($this->columnDefinitionParser->convertSqlToJob($tokens));
$alterJob->addDataChange(clone $dataChange);
break;
case $tokens->seekTokenNum(SqlToken::T_PRIMARY(), TokenIterator::NEXT, [SqlToken::T_CONSTRAINT(), T_STRING]):
case $tokens->seekTokenNum(SqlToken::T_UNIQUE(), TokenIterator::NEXT, [SqlToken::T_CONSTRAINT(), T_STRING]):
case $tokens->seekTokenNum(SqlToken::T_FOREIGN(), TokenIterator::NEXT, [SqlToken::T_CONSTRAINT(), T_STRING]):
case $tokens->seekTokenNum(SqlToken::T_FULLTEXT()):
case $tokens->seekTokenNum(SqlToken::T_SPATIAL()):
case $tokens->seekTokenNum(SqlToken::T_INDEX()):
$indexJob = new IndexJob();
if ($tokens->isTokenNum(SqlToken::T_CONSTRAINT(), TokenIterator::PREVIOUS)) {
$beforeIndex = $tokens->getIndex();
if (!$tokens->seekTokenNum(T_STRING, TokenIterator::PREVIOUS)) {
throw new MalformedSqlException("Missing constraing-symbol T_STRING after T_CONSTRAINT!", $tokens);
}
$indexJob->setContraintSymbol($tokens->getCurrentTokenString());
$tokens->seekIndex($beforeIndex);
}
$needsReferenceDefinition = false;
switch ($tokens->getCurrentTokenNumber()) {
case SqlToken::T_PRIMARY():
$indexJob->setIsPrimary(true);
$indexJob->setName("PRIMARY");
if (!$tokens->seekTokenNum(SqlToken::T_KEY())) {
throw new MalformedSqlException("Missing T_KEY after T_FOREIGN!", $tokens);
}
break;
case SqlToken::T_UNIQUE():
$indexJob->setIsUnique(true);
$tokens->seekTokenNum(SqlToken::T_INDEX());
break;
case SqlToken::T_FOREIGN():
if (!$tokens->seekTokenNum(SqlToken::T_KEY())) {
throw new MalformedSqlException("Missing T_KEY after T_FOREIGN!", $tokens);
}
$needsReferenceDefinition = true;
break;
case SqlToken::T_FULLTEXT():
$indexJob->setIsFullText(true);
break;
case SqlToken::T_SPATIAL():
$indexJob->setIsSpatial(true);
break;
}
if (!$indexJob->getIsPrimary() && $tokens->seekTokenNum(T_STRING)) {
$indexJob->setName($tokens->getCurrentTokenString());
}
if ($tokens->seekTokenNum(T_STRING)) {
$indexJob->setType(IndexType::factory(strtoupper($tokens->getCurrentTokenString())));
}
if (!$tokens->seekTokenText('(')) {
throw new MalformedSqlException("Missing beginning parenthesis for defining columns for PRIMARY KEY index!", $tokens);
}
do {
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Invalid column-specifier in defining columns for PRIMARY KEY index!", $tokens);
}
$indexJob->addColumn($this->columnParser->convertSqlToJob($tokens));
} while ($tokens->seekTokenText(','));
if (!$tokens->seekTokenText(')')) {
throw new MalformedSqlException("Missing ending parenthesis for defining columns for PRIMARY KEY index!", $tokens);
}
if ($needsReferenceDefinition) {
if (!$tokens->seekTokenNum(SqlToken::T_REFERENCES())) {
throw new MalformedSqlException("Missing reference-definition in foreign-constraint-definition!", $tokens);
}
if (!$this->tableParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing table-definition in foreign-constraint-definition!", $tokens);
}
$fkTable = $this->tableParser->convertSqlToJob($tokens);
# columns in index
if ($tokens->seekTokenText('(')) {
do {
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Invalid column in column-list for defining index!", $tokens);
}
$fkColumn = $this->columnParser->convertSqlToJob($tokens);
$indexJob->addForeignKey(Column::factory("{$fkTable}.{$fkColumn->getColumn()}"));
} while ($tokens->seekTokenText(','));
if (!$tokens->seekTokenText(')')) {
throw new MalformedSqlException("Missing closing parenthesis at column-list for index!", $tokens);
}
}
if ($tokens->seekTokenNum(SqlToken::T_MATCH())) {
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_FULL()):
$indexJob->setForeignKeyMatchType(MatchType::FULL());
break;
case $tokens->seekTokenNum(SqlToken::T_PARTIAL()):
$indexJob->setForeignKeyMatchType(MatchType::PARTIAL());
break;
case $tokens->seekTokenNum(SqlToken::T_SIMPLE()):
$indexJob->setForeignKeyMatchType(MatchType::SIMPLE());
break;
default:
throw new MalformedSqlException("Invalid match parameter for foreign key!", $tokens);
}
}
while ($tokens->seekTokenNum(SqlToken::T_ON())) {
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_DELETE()):
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_RESTRICT()):
$indexJob->setForeignKeyOnDeleteReferenceOption(ReferenceOption::RESTRICT());
break;
case $tokens->seekTokenNum(SqlToken::T_CASCADE()):
$indexJob->setForeignKeyOnDeleteReferenceOption(ReferenceOption::CASCADE());
break;
case $tokens->seekTokenNum(SqlToken::T_SET()) && $tokens->seekTokenNum(SqlToken::T_NULL()):
$indexJob->setForeignKeyOnDeleteReferenceOption(ReferenceOption::SET_NULL());
break;
case $tokens->seekTokenNum(SqlToken::T_NO()) && $tokens->seekTokenText('ACTION'):
$indexJob->setForeignKeyOnDeleteReferenceOption(ReferenceOption::NO_ACTION());
break;
default:
throw new MalformedSqlException("Invalid reference-option for foreign key ON DELETE option!", $tokens);
}
break;
case $tokens->seekTokenNum(SqlToken::T_UPDATE()):
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_RESTRICT()):
$indexJob->setForeignKeyOnUpdateReferenceOption(ReferenceOption::RESTRICT());
break;
case $tokens->seekTokenNum(SqlToken::T_CASCADE()):
$indexJob->setForeignKeyOnUpdateReferenceOption(ReferenceOption::CASCADE());
break;
case $tokens->seekTokenNum(SqlToken::T_SET()) && $tokens->seekTokenNum(SqlToken::T_NULL()):
$indexJob->setForeignKeyOnUpdateReferenceOption(ReferenceOption::SET_NULL());
break;
case $tokens->seekTokenNum(SqlToken::T_NO()) && $tokens->seekTokenText('ACTION'):
$indexJob->setForeignKeyOnUpdateReferenceOption(ReferenceOption::NO_ACTION());
break;
default:
throw new MalformedSqlException("Invalid reference-option for foreign key ON UPDATE option!", $tokens);
}
break;
default:
throw new MalformedSqlException("Invalid ON event for foreign key (allowed are UPDATE and DELETE)!", $tokens);
}
}
}
$dataChange->setAttribute(AlterAttributeType::ADD());
$dataChange->setSubjectIndex($indexJob);
$alterJob->addDataChange(clone $dataChange);
break;
}
} while ($isInParenthesises && $tokens->seekTokenText(','));
if ($isInParenthesises && !$tokens->seekTokenText(')')) {
throw new MalformedSqlException("Missing closing parenthesis after ALTER ADD statement!", $tokens);
}
break;
case $tokens->seekTokenNum(SqlToken::T_ALTER()):
$tokens->seekTokenNum(SqlToken::T_COLUMN());
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column-specification for ALTER COLUMN statement!", $tokens);
}
$dataChange->setAttribute(AlterAttributeType::DEFAULT_VALUE());
$dataChange->setSubject($this->columnParser->convertSqlToJob($tokens));
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_SET()):
if (!$tokens->seekTokenNum(SqlToken::T_DEFAULT())) {
throw new MalformedSqlException("Missing T_DEFAULT for ALTER TABLE ALTER COLUMN SET DEFAULT statement", $tokens);
}
if (!$this->valueParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing new valid value for DEFAULT value!");
}
$dataChange->setValue($this->valueParser->convertSqlToJob($tokens));
break;
case $tokens->seekTokenNum(SqlToken::T_DROP()):
if (!$tokens->seekTokenNum(SqlToken::T_DEFAULT())) {
throw new MalformedSqlException("Missing T_DEFAULT for ALTER TABLE ALTER COLUMN SET DEFAULT statement", $tokens);
}
$dataChange->setValue(null);
break;
default:
throw new MalformedSqlException("Invalid action (SET or DROP) for ALTER TABLE ALTER COLUMN statement!", $tokens);
}
$alterJob->addDataChange(clone $dataChange);
break;
case $tokens->seekTokenNum(SqlToken::T_CHANGE()):
$dataChange->setAttribute(AlterAttributeType::MODIFY());
$tokens->seekTokenNum(SqlToken::T_COLUMN());
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column-specification for ALTER TABLE CHANGE COLUMN statement!", $tokens);
}
$dataChange->setSubject($this->columnParser->convertSqlToJob($tokens));
if (!$this->columnDefinitionParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid column-definiton for ALTER TABLE CHANGE COLUMN statement!", $tokens);
}
$dataChange->setValue($this->columnDefinitionParser->convertSqlToJob($tokens));
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_FIRST()):
$dataChange->setAttribute(AlterAttributeType::SET_FIRST());
break;
case $tokens->seekTokenNum(SqlToken::T_AFTER()):
$dataChange->setAttribute(AlterAttributeType::SET_AFTER());
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column specifier for ALTER TABLE CHANGE COLUMN AFTER statement!", $tokens);
}
$dataChange->setValue($this->columnParser->convertSqlToJob($tokens));
break;
}
$alterJob->addDataChange(clone $dataChange);
break;
case $tokens->seekTokenNum(SqlToken::T_MODIFY()):
$dataChange->setAttribute(AlterAttributeType::MODIFY());
$tokens->seekTokenNum(SqlToken::T_COLUMN());
if (!$this->columnDefinitionParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid column definition for ALTER TABLE MODIFY COLUMN statement!", $tokens);
}
$dataChange->setSubjectColumnDefinition($this->columnDefinitionParser->convertSqlToJob($tokens));
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_FIRST()):
$dataChange->setAttribute(AlterAttributeType::SET_FIRST());
break;
case $tokens->seekTokenNum(SqlToken::T_AFTER()):
$dataChange->setAttribute(AlterAttributeType::SET_AFTER());
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column specifier for ALTER TABLE MODIFY COLUMN AFTER statement!", $tokens);
}
$dataChange->setValue($this->columnParser->convertSqlToJob($tokens));
break;
}
$alterJob->addDataChange(clone $dataChange);
break;
case $tokens->seekTokenNum(SqlToken::T_DROP()):
$dataChange->setAttribute(AlterAttributeType::DROP());
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_COLUMN()):
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing valid column specificator for ALTER TABLE DROP COLUMN statement!", $tokens);
}
$dataChange->setSubject($this->columnParser->convertSqlToJob($tokens));
break;
case $this->columnParser->canParseTokens($tokens):
$dataChange->setSubject($this->columnParser->convertSqlToJob($tokens));
break;
case $tokens->seekTokenNum(SqlToken::T_PRIMARY()):
if (!$tokens->seekTokenNum(SqlToken::T_KEY())) {
throw new MalformedSqlException("Missing T_KEY after T_PRIMARY for ALTER TABLE DROP PRIMARY KEY statement!");
}
$dataChange->setSubject(Index::factory("PRIMARY"));
break;
case $tokens->seekTokenNum(SqlToken::T_FOREIGN()):
if (!$tokens->seekTokenNum(SqlToken::T_KEY())) {
throw new MalformedSqlException("Missing T_KEY after T_FOREIGN for ALTER TABLE DROP FOREIGN KEY statement!", $tokens);
}
case $tokens->seekTokenNum(SqlToken::T_INDEX()):
if (!$tokens->seekTokenNum(T_STRING)) {
throw new MalformedSqlException("Missing index name for ALTER TABLE DROP INDEX statement!", $tokens);
}
$dataChange->setSubject(Index::factory($tokens->getCurrentTokenString()));
break;
}
$alterJob->addDataChange(clone $dataChange);
break;
case $tokens->seekTokenNum(SqlToken::T_DISABLE()):
$alterJob->setAction(Action::DISABLE());
if (!$tokens->seekTokenText(SqlToken::T_KEYS())) {
throw new MalformedSqlException("Missing T_KEYS after T_DISABLE!", $tokens);
}
break;
case $tokens->seekTokenNum(SqlToken::T_ENABLE()):
$alterJob->setAction(Action::ENABLE());
if (!$tokens->seekTokenText(SqlToken::T_KEYS())) {
throw new MalformedSqlException("Missing T_KEYS after T_DISABLE!", $tokens);
}
break;
case $tokens->seekTokenNum(SqlToken::T_RENAME()):
if (!$tokens->seekTokenNum(SqlToken::T_TO())) {
throw new MalformedSqlException("Missing T_TO after T_RENAME for ALTER TABLE RENAME TO statement!", $tokens);
}
if (!$tokens->seekTokenNum(T_STRING)) {
throw new MalformedSqlException("Missing new table-name for ALTER TABLE RENAME TO statement!", $tokens);
}
$dataChange->setAttribute(AlterAttributeType::RENAME());
$dataChange->setValue($tokens->getCurrentTokenString());
$alterJob->addDataChange(clone $dataChange);
break;
case $tokens->seekTokenNum(SqlToken::T_ORDER()):
if (!$tokens->seekTokenNum(SqlToken::T_BY())) {
throw new MalformedSqlException("Missing BY after ORDER in ALTER TABLE ORDER BY statement!", $tokens);
}
if (!$this->columnParser->canParseTokens($tokens)) {
throw new MalformedSqlException("Missing column specifier for ALTER TABLE ORDER BY statement!", $tokens);
}
$dataChange->setSubject($this->columnParser->convertSqlToJob($tokens));
switch (true) {
case $tokens->seekTokenNum(SqlToken::T_DESC()):
$dataChange->setAttribute(AlterAttributeType::ORDER_BY_DESC());
break;
default:
case $tokens->seekTokenNum(SqlToken::T_ASC()):
$dataChange->setAttribute(AlterAttributeType::ORDER_BY_ASC());
break;
}
break;
case $tokens->seekTokenNum(SqlToken::T_CHARACTER(), TokenIterator::NEXT, [SqlToken::T_DEFAULT()]):
case $tokens->seekTokenNum(SqlToken::T_CHARACTER(), TokenIterator::NEXT, [SqlToken::T_CONVERT(), SqlToken::T_TO()]):
if (!$tokens->seekTokenNum(SqlToken::T_SET())) {
throw new MalformedSqlException("Missing T_SET after T_CHARACTER for ALTER TABLE CONVERT TO CHARACTER SET statement!", $tokens);
}
if (!$tokens->seekTokenNum(T_STRING)) {
throw new MalformedSqlException("Missing character-set specifier for ALTER TABLE CONVERT TO CHARACTER SET statement!", $tokens);
}
$dataChange->setAttribute(AlterAttributeType::CHARACTER_SET());
$dataChange->setValue($tokens->getCurrentTokenString());
$alterJob->addDataChange(clone $dataChange);
if ($tokens->seekTokenNum(SqlToken::T_COLLATE())) {
if (!$tokens->seekTokenNum(T_STRING)) {
throw new MalformedSqlException("Missing collation-specifier for ALTER TABLE CONVERT TO CHARACTER SET COLLATE statement!", $tokens);
}
$dataChange->setAttribute(AlterAttributeType::COLLATE());
$dataChange->setValue($tokens->getCurrentTokenString());
$alterJob->addDataChange(clone $dataChange);
}
break;
case $tokens->seekTokenNum(SqlToken::T_DISCARD()):
case $tokens->seekTokenNum(SqlToken::T_IMPORT()):
if (!$tokens->seekTokenNum(SqlToken::T_TABLESPACE())) {
throw new MalformedSqlException("Missing T_TABLESPACE after T_DISCARD or T_IMPORT!", $tokens);
}
break;
}
} while ($tokens->seekTokenText(','));
return $alterJob;
}