<?php
namespace MailPoetVendor\Doctrine\DBAL\Platforms;
if (!defined('ABSPATH')) exit;
use MailPoetVendor\Doctrine\DBAL\Connection;
use MailPoetVendor\Doctrine\DBAL\Exception;
use MailPoetVendor\Doctrine\DBAL\Schema\AbstractAsset;
use MailPoetVendor\Doctrine\DBAL\Schema\ForeignKeyConstraint;
use MailPoetVendor\Doctrine\DBAL\Schema\Identifier;
use MailPoetVendor\Doctrine\DBAL\Schema\Index;
use MailPoetVendor\Doctrine\DBAL\Schema\MySQLSchemaManager;
use MailPoetVendor\Doctrine\DBAL\Schema\Table;
use MailPoetVendor\Doctrine\DBAL\Schema\TableDiff;
use MailPoetVendor\Doctrine\DBAL\SQL\Builder\DefaultSelectSQLBuilder;
use MailPoetVendor\Doctrine\DBAL\SQL\Builder\SelectSQLBuilder;
use MailPoetVendor\Doctrine\DBAL\TransactionIsolationLevel;
use MailPoetVendor\Doctrine\DBAL\Types\BlobType;
use MailPoetVendor\Doctrine\DBAL\Types\TextType;
use MailPoetVendor\Doctrine\DBAL\Types\Types;
use MailPoetVendor\Doctrine\Deprecations\Deprecation;
use InvalidArgumentException;
use function array_diff_key;
use function array_merge;
use function array_unique;
use function array_values;
use function count;
use function func_get_arg;
use function func_get_args;
use function func_num_args;
use function implode;
use function in_array;
use function is_numeric;
use function is_string;
use function sprintf;
use function str_replace;
use function strcasecmp;
use function strtolower;
use function strtoupper;
use function trim;
abstract class AbstractMySQLPlatform extends AbstractPlatform
{
 public const LENGTH_LIMIT_TINYTEXT = 255;
 public const LENGTH_LIMIT_TEXT = 65535;
 public const LENGTH_LIMIT_MEDIUMTEXT = 16777215;
 public const LENGTH_LIMIT_TINYBLOB = 255;
 public const LENGTH_LIMIT_BLOB = 65535;
 public const LENGTH_LIMIT_MEDIUMBLOB = 16777215;
 protected function doModifyLimitQuery($query, $limit, $offset)
 {
 if ($limit !== null) {
 $query .= sprintf(' LIMIT %d', $limit);
 if ($offset > 0) {
 $query .= sprintf(' OFFSET %d', $offset);
 }
 } elseif ($offset > 0) {
 // 2^64-1 is the maximum of unsigned BIGINT, the biggest limit possible
 $query .= sprintf(' LIMIT 18446744073709551615 OFFSET %d', $offset);
 }
 return $query;
 }
 public function getIdentifierQuoteCharacter()
 {
 Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5388', 'AbstractMySQLPlatform::getIdentifierQuoteCharacter() is deprecated. Use quoteIdentifier() instead.');
 return '`';
 }
 public function getRegexpExpression()
 {
 return 'RLIKE';
 }
 public function getLocateExpression($str, $substr, $startPos = \false)
 {
 if ($startPos === \false) {
 return 'LOCATE(' . $substr . ', ' . $str . ')';
 }
 return 'LOCATE(' . $substr . ', ' . $str . ', ' . $startPos . ')';
 }
 public function getConcatExpression()
 {
 return sprintf('CONCAT(%s)', implode(', ', func_get_args()));
 }
 protected function getDateArithmeticIntervalExpression($date, $operator, $interval, $unit)
 {
 $function = $operator === '+' ? 'DATE_ADD' : 'DATE_SUB';
 return $function . '(' . $date . ', INTERVAL ' . $interval . ' ' . $unit . ')';
 }
 public function getDateDiffExpression($date1, $date2)
 {
 return 'DATEDIFF(' . $date1 . ', ' . $date2 . ')';
 }
 public function getCurrentDatabaseExpression() : string
 {
 return 'DATABASE()';
 }
 public function getLengthExpression($column)
 {
 return 'CHAR_LENGTH(' . $column . ')';
 }
 public function getListDatabasesSQL()
 {
 return 'SHOW DATABASES';
 }
 public function getListTableConstraintsSQL($table)
 {
 return 'SHOW INDEX FROM ' . $table;
 }
 public function getListTableIndexesSQL($table, $database = null)
 {
 if ($database !== null) {
 return 'SELECT NON_UNIQUE AS Non_Unique, INDEX_NAME AS Key_name, COLUMN_NAME AS Column_Name,' . ' SUB_PART AS Sub_Part, INDEX_TYPE AS Index_Type' . ' FROM information_schema.STATISTICS WHERE TABLE_NAME = ' . $this->quoteStringLiteral($table) . ' AND TABLE_SCHEMA = ' . $this->quoteStringLiteral($database) . ' ORDER BY SEQ_IN_INDEX ASC';
 }
 return 'SHOW INDEX FROM ' . $table;
 }
 public function getListViewsSQL($database)
 {
 return 'SELECT * FROM information_schema.VIEWS WHERE TABLE_SCHEMA = ' . $this->quoteStringLiteral($database);
 }
 public function getListTableForeignKeysSQL($table, $database = null)
 {
 // The schema name is passed multiple times as a literal in the WHERE clause instead of using a JOIN condition
 // in order to avoid performance issues on MySQL older than 8.0 and the corresponding MariaDB versions
 // caused by https://bugs.mysql.com/bug.php?id=81347
 return 'SELECT k.CONSTRAINT_NAME, k.COLUMN_NAME, k.REFERENCED_TABLE_NAME, ' . 'k.REFERENCED_COLUMN_NAME /*!50116 , c.UPDATE_RULE, c.DELETE_RULE */ ' . 'FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k /*!50116 ' . 'INNER JOIN INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS c ON ' . 'c.CONSTRAINT_NAME = k.CONSTRAINT_NAME AND ' . 'c.TABLE_NAME = k.TABLE_NAME */ ' . 'WHERE k.TABLE_NAME = ' . $this->quoteStringLiteral($table) . ' ' . 'AND k.TABLE_SCHEMA = ' . $this->getDatabaseNameSQL($database) . ' /*!50116 ' . 'AND c.CONSTRAINT_SCHEMA = ' . $this->getDatabaseNameSQL($database) . ' */' . 'ORDER BY k.ORDINAL_POSITION';
 }
 protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
 {
 if ($length <= 0 || func_num_args() > 2 && func_get_arg(2)) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'Relying on the default string column length on MySQL is deprecated' . ', specify the length explicitly.');
 }
 return $fixed ? $length > 0 ? 'CHAR(' . $length . ')' : 'CHAR(255)' : ($length > 0 ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)');
 }
 protected function getBinaryTypeDeclarationSQLSnippet($length, $fixed)
 {
 if ($length <= 0 || func_num_args() > 2 && func_get_arg(2)) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'Relying on the default binary column length on MySQL is deprecated' . ', specify the length explicitly.');
 }
 return $fixed ? 'BINARY(' . ($length > 0 ? $length : 255) . ')' : 'VARBINARY(' . ($length > 0 ? $length : 255) . ')';
 }
 public function getClobTypeDeclarationSQL(array $column)
 {
 if (!empty($column['length']) && is_numeric($column['length'])) {
 $length = $column['length'];
 if ($length <= static::LENGTH_LIMIT_TINYTEXT) {
 return 'TINYTEXT';
 }
 if ($length <= static::LENGTH_LIMIT_TEXT) {
 return 'TEXT';
 }
 if ($length <= static::LENGTH_LIMIT_MEDIUMTEXT) {
 return 'MEDIUMTEXT';
 }
 }
 return 'LONGTEXT';
 }
 public function getDateTimeTypeDeclarationSQL(array $column)
 {
 if (isset($column['version']) && $column['version'] === \true) {
 return 'TIMESTAMP';
 }
 return 'DATETIME';
 }
 public function getDateTypeDeclarationSQL(array $column)
 {
 return 'DATE';
 }
 public function getTimeTypeDeclarationSQL(array $column)
 {
 return 'TIME';
 }
 public function getBooleanTypeDeclarationSQL(array $column)
 {
 return 'TINYINT(1)';
 }
 public function prefersIdentityColumns()
 {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/1519', 'AbstractMySQLPlatform::prefersIdentityColumns() is deprecated.');
 return \true;
 }
 public function supportsIdentityColumns()
 {
 return \true;
 }
 public function supportsInlineColumnComments()
 {
 return \true;
 }
 public function supportsColumnCollation()
 {
 return \true;
 }
 public function getListTablesSQL()
 {
 return "SHOW FULL TABLES WHERE Table_type = 'BASE TABLE'";
 }
 public function getListTableColumnsSQL($table, $database = null)
 {
 return 'SELECT COLUMN_NAME AS Field, COLUMN_TYPE AS Type, IS_NULLABLE AS `Null`, ' . 'COLUMN_KEY AS `Key`, COLUMN_DEFAULT AS `Default`, EXTRA AS Extra, COLUMN_COMMENT AS Comment, ' . 'CHARACTER_SET_NAME AS CharacterSet, COLLATION_NAME AS Collation ' . 'FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = ' . $this->getDatabaseNameSQL($database) . ' AND TABLE_NAME = ' . $this->quoteStringLiteral($table) . ' ORDER BY ORDINAL_POSITION ASC';
 }
 public function getColumnTypeSQLSnippets(string $tableAlias = 'c') : array
 {
 Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/6202', 'AbstractMySQLPlatform::getColumnTypeSQLSnippets() is deprecated. ' . 'Use AbstractMySQLPlatform::getColumnTypeSQLSnippet() instead.');
 return [$this->getColumnTypeSQLSnippet(...func_get_args()), ''];
 }
 public function getColumnTypeSQLSnippet(string $tableAlias = 'c', ?string $databaseName = null) : string
 {
 return $tableAlias . '.COLUMN_TYPE';
 }
 public function getListTableMetadataSQL(string $table, ?string $database = null) : string
 {
 return sprintf(<<<'SQL'
SELECT t.ENGINE,
 t.AUTO_INCREMENT,
 t.TABLE_COMMENT,
 t.CREATE_OPTIONS,
 t.TABLE_COLLATION,
 ccsa.CHARACTER_SET_NAME
FROM information_schema.TABLES t
 INNER JOIN information_schema.`COLLATION_CHARACTER_SET_APPLICABILITY` ccsa
 ON ccsa.COLLATION_NAME = t.TABLE_COLLATION
WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_SCHEMA = %s AND TABLE_NAME = %s
SQL
, $this->getDatabaseNameSQL($database), $this->quoteStringLiteral($table));
 }
 public function getCreateTablesSQL(array $tables) : array
 {
 $sql = [];
 foreach ($tables as $table) {
 $sql = array_merge($sql, $this->getCreateTableWithoutForeignKeysSQL($table));
 }
 foreach ($tables as $table) {
 if (!$table->hasOption('engine') || $this->engineSupportsForeignKeys($table->getOption('engine'))) {
 foreach ($table->getForeignKeys() as $foreignKey) {
 $sql[] = $this->getCreateForeignKeySQL($foreignKey, $table->getQuotedName($this));
 }
 } elseif (count($table->getForeignKeys()) > 0) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5414', 'Relying on the DBAL not generating DDL for foreign keys on MySQL engines' . ' other than InnoDB is deprecated.' . ' Define foreign key constraints only if they are necessary.');
 }
 }
 return $sql;
 }
 protected function _getCreateTableSQL($name, array $columns, array $options = [])
 {
 $queryFields = $this->getColumnDeclarationListSQL($columns);
 if (isset($options['uniqueConstraints']) && !empty($options['uniqueConstraints'])) {
 foreach ($options['uniqueConstraints'] as $constraintName => $definition) {
 $queryFields .= ', ' . $this->getUniqueConstraintDeclarationSQL($constraintName, $definition);
 }
 }
 // add all indexes
 if (isset($options['indexes']) && !empty($options['indexes'])) {
 foreach ($options['indexes'] as $indexName => $definition) {
 $queryFields .= ', ' . $this->getIndexDeclarationSQL($indexName, $definition);
 }
 }
 // attach all primary keys
 if (isset($options['primary']) && !empty($options['primary'])) {
 $keyColumns = array_unique(array_values($options['primary']));
 $queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')';
 }
 $query = 'CREATE ';
 if (!empty($options['temporary'])) {
 $query .= 'TEMPORARY ';
 }
 $query .= 'TABLE ' . $name . ' (' . $queryFields . ') ';
 $query .= $this->buildTableOptions($options);
 $query .= $this->buildPartitionOptions($options);
 $sql = [$query];
 // Propagate foreign key constraints only for InnoDB.
 if (isset($options['foreignKeys'])) {
 if (!isset($options['engine']) || $this->engineSupportsForeignKeys($options['engine'])) {
 foreach ($options['foreignKeys'] as $definition) {
 $sql[] = $this->getCreateForeignKeySQL($definition, $name);
 }
 } elseif (count($options['foreignKeys']) > 0) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5414', 'Relying on the DBAL not generating DDL for foreign keys on MySQL engines' . ' other than InnoDB is deprecated.' . ' Define foreign key constraints only if they are necessary.');
 }
 }
 return $sql;
 }
 public function createSelectSQLBuilder() : SelectSQLBuilder
 {
 return new DefaultSelectSQLBuilder($this, 'FOR UPDATE', null);
 }
 public function getDefaultValueDeclarationSQL($column)
 {
 // Unset the default value if the given column definition does not allow default values.
 if ($column['type'] instanceof TextType || $column['type'] instanceof BlobType) {
 $column['default'] = null;
 }
 return parent::getDefaultValueDeclarationSQL($column);
 }
 private function buildTableOptions(array $options) : string
 {
 if (isset($options['table_options'])) {
 return $options['table_options'];
 }
 $tableOptions = [];
 // Charset
 if (!isset($options['charset'])) {
 $options['charset'] = 'utf8';
 }
 $tableOptions[] = sprintf('DEFAULT CHARACTER SET %s', $options['charset']);
 if (isset($options['collate'])) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/5214', 'The "collate" option is deprecated in favor of "collation" and will be removed in 4.0.');
 $options['collation'] = $options['collate'];
 }
 // Collation
 if (!isset($options['collation'])) {
 $options['collation'] = $options['charset'] . '_unicode_ci';
 }
 $tableOptions[] = $this->getColumnCollationDeclarationSQL($options['collation']);
 // Engine
 if (!isset($options['engine'])) {
 $options['engine'] = 'InnoDB';
 }
 $tableOptions[] = sprintf('ENGINE = %s', $options['engine']);
 // Auto increment
 if (isset($options['auto_increment'])) {
 $tableOptions[] = sprintf('AUTO_INCREMENT = %s', $options['auto_increment']);
 }
 // Comment
 if (isset($options['comment'])) {
 $tableOptions[] = sprintf('COMMENT = %s ', $this->quoteStringLiteral($options['comment']));
 }
 // Row format
 if (isset($options['row_format'])) {
 $tableOptions[] = sprintf('ROW_FORMAT = %s', $options['row_format']);
 }
 return implode(' ', $tableOptions);
 }
 private function buildPartitionOptions(array $options) : string
 {
 return isset($options['partition_options']) ? ' ' . $options['partition_options'] : '';
 }
 private function engineSupportsForeignKeys(string $engine) : bool
 {
 return strcasecmp(trim($engine), 'InnoDB') === 0;
 }
 public function getAlterTableSQL(TableDiff $diff)
 {
 $columnSql = [];
 $queryParts = [];
 $newName = $diff->getNewName();
 if ($newName !== \false) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/5663', 'Generation of SQL that renames a table using %s is deprecated. Use getRenameTableSQL() instead.', __METHOD__);
 $queryParts[] = 'RENAME TO ' . $newName->getQuotedName($this);
 }
 foreach ($diff->getAddedColumns() as $column) {
 if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
 continue;
 }
 $columnProperties = array_merge($column->toArray(), ['comment' => $this->getColumnComment($column)]);
 $queryParts[] = 'ADD ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnProperties);
 }
 foreach ($diff->getDroppedColumns() as $column) {
 if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
 continue;
 }
 $queryParts[] = 'DROP ' . $column->getQuotedName($this);
 }
 foreach ($diff->getModifiedColumns() as $columnDiff) {
 if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
 continue;
 }
 $newColumn = $columnDiff->getNewColumn();
 $newColumnProperties = array_merge($newColumn->toArray(), ['comment' => $this->getColumnComment($newColumn)]);
 $oldColumn = $columnDiff->getOldColumn() ?? $columnDiff->getOldColumnName();
 $queryParts[] = 'CHANGE ' . $oldColumn->getQuotedName($this) . ' ' . $this->getColumnDeclarationSQL($newColumn->getQuotedName($this), $newColumnProperties);
 }
 foreach ($diff->getRenamedColumns() as $oldColumnName => $column) {
 if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
 continue;
 }
 $oldColumnName = new Identifier($oldColumnName);
 $columnProperties = array_merge($column->toArray(), ['comment' => $this->getColumnComment($column)]);
 $queryParts[] = 'CHANGE ' . $oldColumnName->getQuotedName($this) . ' ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $columnProperties);
 }
 $addedIndexes = $this->indexAssetsByLowerCaseName($diff->getAddedIndexes());
 $modifiedIndexes = $this->indexAssetsByLowerCaseName($diff->getModifiedIndexes());
 $diffModified = \false;
 if (isset($addedIndexes['primary'])) {
 $keyColumns = array_unique(array_values($addedIndexes['primary']->getColumns()));
 $queryParts[] = 'ADD PRIMARY KEY (' . implode(', ', $keyColumns) . ')';
 unset($addedIndexes['primary']);
 $diffModified = \true;
 } elseif (isset($modifiedIndexes['primary'])) {
 $addedColumns = $this->indexAssetsByLowerCaseName($diff->getAddedColumns());
 // Necessary in case the new primary key includes a new auto_increment column
 foreach ($modifiedIndexes['primary']->getColumns() as $columnName) {
 if (isset($addedColumns[$columnName]) && $addedColumns[$columnName]->getAutoincrement()) {
 $keyColumns = array_unique(array_values($modifiedIndexes['primary']->getColumns()));
 $queryParts[] = 'DROP PRIMARY KEY';
 $queryParts[] = 'ADD PRIMARY KEY (' . implode(', ', $keyColumns) . ')';
 unset($modifiedIndexes['primary']);
 $diffModified = \true;
 break;
 }
 }
 }
 if ($diffModified) {
 $diff = new TableDiff($diff->name, $diff->getAddedColumns(), $diff->getModifiedColumns(), $diff->getDroppedColumns(), array_values($addedIndexes), array_values($modifiedIndexes), $diff->getDroppedIndexes(), $diff->getOldTable(), $diff->getAddedForeignKeys(), $diff->getModifiedForeignKeys(), $diff->getDroppedForeignKeys(), $diff->getRenamedColumns(), $diff->getRenamedIndexes());
 }
 $sql = [];
 $tableSql = [];
 if (!$this->onSchemaAlterTable($diff, $tableSql)) {
 if (count($queryParts) > 0) {
 $sql[] = 'ALTER TABLE ' . ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this) . ' ' . implode(', ', $queryParts);
 }
 $sql = array_merge($this->getPreAlterTableIndexForeignKeySQL($diff), $sql, $this->getPostAlterTableIndexForeignKeySQL($diff));
 }
 return array_merge($sql, $tableSql, $columnSql);
 }
 protected function getPreAlterTableIndexForeignKeySQL(TableDiff $diff)
 {
 $sql = [];
 $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this);
 foreach ($diff->getModifiedIndexes() as $changedIndex) {
 $sql = array_merge($sql, $this->getPreAlterTableAlterPrimaryKeySQL($diff, $changedIndex));
 }
 foreach ($diff->getDroppedIndexes() as $droppedIndex) {
 $sql = array_merge($sql, $this->getPreAlterTableAlterPrimaryKeySQL($diff, $droppedIndex));
 foreach ($diff->getAddedIndexes() as $addedIndex) {
 if ($droppedIndex->getColumns() !== $addedIndex->getColumns()) {
 continue;
 }
 $indexClause = 'INDEX ' . $addedIndex->getName();
 if ($addedIndex->isPrimary()) {
 $indexClause = 'PRIMARY KEY';
 } elseif ($addedIndex->isUnique()) {
 $indexClause = 'UNIQUE INDEX ' . $addedIndex->getName();
 }
 $query = 'ALTER TABLE ' . $tableNameSQL . ' DROP INDEX ' . $droppedIndex->getName() . ', ';
 $query .= 'ADD ' . $indexClause;
 $query .= ' (' . $this->getIndexFieldDeclarationListSQL($addedIndex) . ')';
 $sql[] = $query;
 $diff->unsetAddedIndex($addedIndex);
 $diff->unsetDroppedIndex($droppedIndex);
 break;
 }
 }
 $engine = 'INNODB';
 $table = $diff->getOldTable();
 if ($table !== null && $table->hasOption('engine')) {
 $engine = strtoupper(trim($table->getOption('engine')));
 }
 // Suppress foreign key constraint propagation on non-supporting engines.
 if ($engine !== 'INNODB') {
 $diff->addedForeignKeys = [];
 $diff->changedForeignKeys = [];
 $diff->removedForeignKeys = [];
 }
 $sql = array_merge($sql, $this->getPreAlterTableAlterIndexForeignKeySQL($diff), parent::getPreAlterTableIndexForeignKeySQL($diff), $this->getPreAlterTableRenameIndexForeignKeySQL($diff));
 return $sql;
 }
 private function getPreAlterTableAlterPrimaryKeySQL(TableDiff $diff, Index $index) : array
 {
 if (!$index->isPrimary()) {
 return [];
 }
 $table = $diff->getOldTable();
 if ($table === null) {
 return [];
 }
 $sql = [];
 $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this);
 // Dropping primary keys requires to unset autoincrement attribute on the particular column first.
 foreach ($index->getColumns() as $columnName) {
 if (!$table->hasColumn($columnName)) {
 continue;
 }
 $column = $table->getColumn($columnName);
 if ($column->getAutoincrement() !== \true) {
 continue;
 }
 $column->setAutoincrement(\false);
 $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' MODIFY ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
 // original autoincrement information might be needed later on by other parts of the table alteration
 $column->setAutoincrement(\true);
 }
 return $sql;
 }
 private function getPreAlterTableAlterIndexForeignKeySQL(TableDiff $diff) : array
 {
 $table = $diff->getOldTable();
 if ($table === null) {
 return [];
 }
 $primaryKey = $table->getPrimaryKey();
 if ($primaryKey === null) {
 return [];
 }
 $primaryKeyColumns = [];
 foreach ($primaryKey->getColumns() as $columnName) {
 if (!$table->hasColumn($columnName)) {
 continue;
 }
 $primaryKeyColumns[] = $table->getColumn($columnName);
 }
 if (count($primaryKeyColumns) === 0) {
 return [];
 }
 $sql = [];
 $tableNameSQL = $table->getQuotedName($this);
 foreach ($diff->getModifiedIndexes() as $changedIndex) {
 // Changed primary key
 if (!$changedIndex->isPrimary()) {
 continue;
 }
 foreach ($primaryKeyColumns as $column) {
 // Check if an autoincrement column was dropped from the primary key.
 if (!$column->getAutoincrement() || in_array($column->getName(), $changedIndex->getColumns(), \true)) {
 continue;
 }
 // The autoincrement attribute needs to be removed from the dropped column
 // before we can drop and recreate the primary key.
 $column->setAutoincrement(\false);
 $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' MODIFY ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
 // Restore the autoincrement attribute as it might be needed later on
 // by other parts of the table alteration.
 $column->setAutoincrement(\true);
 }
 }
 return $sql;
 }
 protected function getPreAlterTableRenameIndexForeignKeySQL(TableDiff $diff)
 {
 $sql = [];
 $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this);
 foreach ($this->getRemainingForeignKeyConstraintsRequiringRenamedIndexes($diff) as $foreignKey) {
 if (in_array($foreignKey, $diff->getModifiedForeignKeys(), \true)) {
 continue;
 }
 $sql[] = $this->getDropForeignKeySQL($foreignKey->getQuotedName($this), $tableNameSQL);
 }
 return $sql;
 }
 private function getRemainingForeignKeyConstraintsRequiringRenamedIndexes(TableDiff $diff) : array
 {
 if (count($diff->getRenamedIndexes()) === 0) {
 return [];
 }
 $table = $diff->getOldTable();
 if ($table === null) {
 return [];
 }
 $foreignKeys = [];
 $remainingForeignKeys = array_diff_key($table->getForeignKeys(), $diff->getDroppedForeignKeys());
 foreach ($remainingForeignKeys as $foreignKey) {
 foreach ($diff->getRenamedIndexes() as $index) {
 if ($foreignKey->intersectsIndexColumns($index)) {
 $foreignKeys[] = $foreignKey;
 break;
 }
 }
 }
 return $foreignKeys;
 }
 protected function getPostAlterTableIndexForeignKeySQL(TableDiff $diff)
 {
 return array_merge(parent::getPostAlterTableIndexForeignKeySQL($diff), $this->getPostAlterTableRenameIndexForeignKeySQL($diff));
 }
 protected function getPostAlterTableRenameIndexForeignKeySQL(TableDiff $diff)
 {
 $sql = [];
 $newName = $diff->getNewName();
 if ($newName !== \false) {
 $tableNameSQL = $newName->getQuotedName($this);
 } else {
 $tableNameSQL = ($diff->getOldTable() ?? $diff->getName($this))->getQuotedName($this);
 }
 foreach ($this->getRemainingForeignKeyConstraintsRequiringRenamedIndexes($diff) as $foreignKey) {
 if (in_array($foreignKey, $diff->getModifiedForeignKeys(), \true)) {
 continue;
 }
 $sql[] = $this->getCreateForeignKeySQL($foreignKey, $tableNameSQL);
 }
 return $sql;
 }
 protected function getCreateIndexSQLFlags(Index $index)
 {
 $type = '';
 if ($index->isUnique()) {
 $type .= 'UNIQUE ';
 } elseif ($index->hasFlag('fulltext')) {
 $type .= 'FULLTEXT ';
 } elseif ($index->hasFlag('spatial')) {
 $type .= 'SPATIAL ';
 }
 return $type;
 }
 public function getIntegerTypeDeclarationSQL(array $column)
 {
 return 'INT' . $this->_getCommonIntegerTypeDeclarationSQL($column);
 }
 public function getBigIntTypeDeclarationSQL(array $column)
 {
 return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($column);
 }
 public function getSmallIntTypeDeclarationSQL(array $column)
 {
 return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($column);
 }
 public function getFloatDeclarationSQL(array $column)
 {
 return 'DOUBLE PRECISION' . $this->getUnsignedDeclaration($column);
 }
 public function getDecimalTypeDeclarationSQL(array $column)
 {
 return parent::getDecimalTypeDeclarationSQL($column) . $this->getUnsignedDeclaration($column);
 }
 private function getUnsignedDeclaration(array $columnDef) : string
 {
 return !empty($columnDef['unsigned']) ? ' UNSIGNED' : '';
 }
 protected function _getCommonIntegerTypeDeclarationSQL(array $column)
 {
 $autoinc = '';
 if (!empty($column['autoincrement'])) {
 $autoinc = ' AUTO_INCREMENT';
 }
 return $this->getUnsignedDeclaration($column) . $autoinc;
 }
 public function getColumnCharsetDeclarationSQL($charset)
 {
 return 'CHARACTER SET ' . $charset;
 }
 public function getAdvancedForeignKeyOptionsSQL(ForeignKeyConstraint $foreignKey)
 {
 $query = '';
 if ($foreignKey->hasOption('match')) {
 $query .= ' MATCH ' . $foreignKey->getOption('match');
 }
 $query .= parent::getAdvancedForeignKeyOptionsSQL($foreignKey);
 return $query;
 }
 public function getDropIndexSQL($index, $table = null)
 {
 if ($index instanceof Index) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4798', 'Passing $index as an Index object to %s is deprecated. Pass it as a quoted name instead.', __METHOD__);
 $indexName = $index->getQuotedName($this);
 } elseif (is_string($index)) {
 $indexName = $index;
 } else {
 throw new InvalidArgumentException(__METHOD__ . '() expects $index parameter to be string or ' . Index::class . '.');
 }
 if ($table instanceof Table) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4798', 'Passing $table as a Table object to %s is deprecated. Pass it as a quoted name instead.', __METHOD__);
 $table = $table->getQuotedName($this);
 } elseif (!is_string($table)) {
 throw new InvalidArgumentException(__METHOD__ . '() expects $table parameter to be string or ' . Table::class . '.');
 }
 if ($index instanceof Index && $index->isPrimary()) {
 // MySQL primary keys are always named "PRIMARY",
 // so we cannot use them in statements because of them being keyword.
 return $this->getDropPrimaryKeySQL($table);
 }
 return 'DROP INDEX ' . $indexName . ' ON ' . $table;
 }
 protected function getDropPrimaryKeySQL($table)
 {
 return 'ALTER TABLE ' . $table . ' DROP PRIMARY KEY';
 }
 public function getDropUniqueConstraintSQL(string $name, string $tableName) : string
 {
 return $this->getDropIndexSQL($name, $tableName);
 }
 public function getSetTransactionIsolationSQL($level)
 {
 return 'SET SESSION TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSQL($level);
 }
 public function getName()
 {
 Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4749', 'AbstractMySQLPlatform::getName() is deprecated. Identify platforms by their class.');
 return 'mysql';
 }
 public function getReadLockSQL()
 {
 return 'LOCK IN SHARE MODE';
 }
 protected function initializeDoctrineTypeMappings()
 {
 $this->doctrineTypeMapping = ['bigint' => Types::BIGINT, 'binary' => Types::BINARY, 'blob' => Types::BLOB, 'char' => Types::STRING, 'date' => Types::DATE_MUTABLE, 'datetime' => Types::DATETIME_MUTABLE, 'decimal' => Types::DECIMAL, 'double' => Types::FLOAT, 'float' => Types::FLOAT, 'int' => Types::INTEGER, 'integer' => Types::INTEGER, 'longblob' => Types::BLOB, 'longtext' => Types::TEXT, 'mediumblob' => Types::BLOB, 'mediumint' => Types::INTEGER, 'mediumtext' => Types::TEXT, 'numeric' => Types::DECIMAL, 'real' => Types::FLOAT, 'set' => Types::SIMPLE_ARRAY, 'smallint' => Types::SMALLINT, 'string' => Types::STRING, 'text' => Types::TEXT, 'time' => Types::TIME_MUTABLE, 'timestamp' => Types::DATETIME_MUTABLE, 'tinyblob' => Types::BLOB, 'tinyint' => Types::BOOLEAN, 'tinytext' => Types::TEXT, 'varbinary' => Types::BINARY, 'varchar' => Types::STRING, 'year' => Types::DATE_MUTABLE];
 }
 public function getVarcharMaxLength()
 {
 Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'AbstractMySQLPlatform::getVarcharMaxLength() is deprecated.');
 return 65535;
 }
 public function getBinaryMaxLength()
 {
 Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/3263', 'AbstractMySQLPlatform::getBinaryMaxLength() is deprecated.');
 return 65535;
 }
 protected function getReservedKeywordsClass()
 {
 Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4510', 'AbstractMySQLPlatform::getReservedKeywordsClass() is deprecated,' . ' use AbstractMySQLPlatform::createReservedKeywordsList() instead.');
 return Keywords\MySQLKeywords::class;
 }
 public function getDropTemporaryTableSQL($table)
 {
 if ($table instanceof Table) {
 Deprecation::trigger('doctrine/dbal', 'https://github.com/doctrine/dbal/issues/4798', 'Passing $table as a Table object to %s is deprecated. Pass it as a quoted name instead.', __METHOD__);
 $table = $table->getQuotedName($this);
 } elseif (!is_string($table)) {
 throw new InvalidArgumentException(__METHOD__ . '() expects $table parameter to be string or ' . Table::class . '.');
 }
 return 'DROP TEMPORARY TABLE ' . $table;
 }
 public function getBlobTypeDeclarationSQL(array $column)
 {
 if (!empty($column['length']) && is_numeric($column['length'])) {
 $length = $column['length'];
 if ($length <= static::LENGTH_LIMIT_TINYBLOB) {
 return 'TINYBLOB';
 }
 if ($length <= static::LENGTH_LIMIT_BLOB) {
 return 'BLOB';
 }
 if ($length <= static::LENGTH_LIMIT_MEDIUMBLOB) {
 return 'MEDIUMBLOB';
 }
 }
 return 'LONGBLOB';
 }
 public function quoteStringLiteral($str)
 {
 $str = str_replace('\\', '\\\\', $str);
 // MySQL requires backslashes to be escaped
 return parent::quoteStringLiteral($str);
 }
 public function getDefaultTransactionIsolationLevel()
 {
 return TransactionIsolationLevel::REPEATABLE_READ;
 }
 public function supportsColumnLengthIndexes() : bool
 {
 return \true;
 }
 protected function getDatabaseNameSQL(?string $databaseName) : string
 {
 Deprecation::triggerIfCalledFromOutside('doctrine/dbal', 'https://github.com/doctrine/dbal/pull/6215', '%s is deprecated without replacement.', __METHOD__);
 if ($databaseName !== null) {
 return $this->quoteStringLiteral($databaseName);
 }
 return $this->getCurrentDatabaseExpression();
 }
 public function createSchemaManager(Connection $connection) : MySQLSchemaManager
 {
 return new MySQLSchemaManager($connection, $this);
 }
 private function indexAssetsByLowerCaseName(array $assets) : array
 {
 $result = [];
 foreach ($assets as $asset) {
 $result[strtolower($asset->getName())] = $asset;
 }
 return $result;
 }
 public function fetchTableOptionsByTable(bool $includeTableName) : string
 {
 $sql = <<<'SQL'
 SELECT t.TABLE_NAME,
 t.ENGINE,
 t.AUTO_INCREMENT,
 t.TABLE_COMMENT,
 t.CREATE_OPTIONS,
 t.TABLE_COLLATION,
 ccsa.CHARACTER_SET_NAME
 FROM information_schema.TABLES t
 INNER JOIN information_schema.COLLATION_CHARACTER_SET_APPLICABILITY ccsa
 ON ccsa.COLLATION_NAME = t.TABLE_COLLATION
SQL;
 $conditions = ['t.TABLE_SCHEMA = ?'];
 if ($includeTableName) {
 $conditions[] = 't.TABLE_NAME = ?';
 }
 $conditions[] = "t.TABLE_TYPE = 'BASE TABLE'";
 return $sql . ' WHERE ' . implode(' AND ', $conditions);
 }
}
