591 lines
21 KiB
PHP
591 lines
21 KiB
PHP
<?php
|
|
/**
|
|
* @link http://www.yiiframework.com/
|
|
* @copyright Copyright (c) 2008 Yii Software LLC
|
|
* @license http://www.yiiframework.com/license/
|
|
*/
|
|
|
|
namespace yii\db\mysql;
|
|
|
|
use yii\base\InvalidConfigException;
|
|
use yii\base\NotSupportedException;
|
|
use yii\db\Constraint;
|
|
use yii\db\ConstraintFinderInterface;
|
|
use yii\db\ConstraintFinderTrait;
|
|
use yii\db\Exception;
|
|
use yii\db\Expression;
|
|
use yii\db\ForeignKeyConstraint;
|
|
use yii\db\IndexConstraint;
|
|
use yii\db\TableSchema;
|
|
use yii\helpers\ArrayHelper;
|
|
|
|
/**
|
|
* Schema is the class for retrieving metadata from a MySQL database (version 4.1.x and 5.x).
|
|
*
|
|
* @author Qiang Xue <qiang.xue@gmail.com>
|
|
* @since 2.0
|
|
*/
|
|
class Schema extends \yii\db\Schema implements ConstraintFinderInterface
|
|
{
|
|
use ConstraintFinderTrait;
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public $columnSchemaClass = 'yii\db\mysql\ColumnSchema';
|
|
/**
|
|
* @var bool whether MySQL used is older than 5.1.
|
|
*/
|
|
private $_oldMysql;
|
|
|
|
|
|
/**
|
|
* @var array mapping from physical column types (keys) to abstract column types (values)
|
|
*/
|
|
public $typeMap = [
|
|
'tinyint' => self::TYPE_TINYINT,
|
|
'bit' => self::TYPE_INTEGER,
|
|
'smallint' => self::TYPE_SMALLINT,
|
|
'mediumint' => self::TYPE_INTEGER,
|
|
'int' => self::TYPE_INTEGER,
|
|
'integer' => self::TYPE_INTEGER,
|
|
'bigint' => self::TYPE_BIGINT,
|
|
'float' => self::TYPE_FLOAT,
|
|
'double' => self::TYPE_DOUBLE,
|
|
'real' => self::TYPE_FLOAT,
|
|
'decimal' => self::TYPE_DECIMAL,
|
|
'numeric' => self::TYPE_DECIMAL,
|
|
'tinytext' => self::TYPE_TEXT,
|
|
'mediumtext' => self::TYPE_TEXT,
|
|
'longtext' => self::TYPE_TEXT,
|
|
'longblob' => self::TYPE_BINARY,
|
|
'blob' => self::TYPE_BINARY,
|
|
'text' => self::TYPE_TEXT,
|
|
'varchar' => self::TYPE_STRING,
|
|
'string' => self::TYPE_STRING,
|
|
'char' => self::TYPE_CHAR,
|
|
'datetime' => self::TYPE_DATETIME,
|
|
'year' => self::TYPE_DATE,
|
|
'date' => self::TYPE_DATE,
|
|
'time' => self::TYPE_TIME,
|
|
'timestamp' => self::TYPE_TIMESTAMP,
|
|
'enum' => self::TYPE_STRING,
|
|
'varbinary' => self::TYPE_BINARY,
|
|
'json' => self::TYPE_JSON,
|
|
];
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected $tableQuoteCharacter = '`';
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected $columnQuoteCharacter = '`';
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function resolveTableName($name)
|
|
{
|
|
$resolvedName = new TableSchema();
|
|
$parts = explode('.', str_replace('`', '', $name));
|
|
if (isset($parts[1])) {
|
|
$resolvedName->schemaName = $parts[0];
|
|
$resolvedName->name = $parts[1];
|
|
} else {
|
|
$resolvedName->schemaName = $this->defaultSchema;
|
|
$resolvedName->name = $name;
|
|
}
|
|
$resolvedName->fullName = ($resolvedName->schemaName !== $this->defaultSchema ? $resolvedName->schemaName . '.' : '') . $resolvedName->name;
|
|
return $resolvedName;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function findTableNames($schema = '')
|
|
{
|
|
$sql = 'SHOW TABLES';
|
|
if ($schema !== '') {
|
|
$sql .= ' FROM ' . $this->quoteSimpleTableName($schema);
|
|
}
|
|
|
|
return $this->db->createCommand($sql)->queryColumn();
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function loadTableSchema($name)
|
|
{
|
|
$table = new TableSchema();
|
|
$this->resolveTableNames($table, $name);
|
|
|
|
if ($this->findColumns($table)) {
|
|
$this->findConstraints($table);
|
|
return $table;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function loadTablePrimaryKey($tableName)
|
|
{
|
|
return $this->loadTableConstraints($tableName, 'primaryKey');
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function loadTableForeignKeys($tableName)
|
|
{
|
|
return $this->loadTableConstraints($tableName, 'foreignKeys');
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function loadTableIndexes($tableName)
|
|
{
|
|
static $sql = <<<'SQL'
|
|
SELECT
|
|
`s`.`INDEX_NAME` AS `name`,
|
|
`s`.`COLUMN_NAME` AS `column_name`,
|
|
`s`.`NON_UNIQUE` ^ 1 AS `index_is_unique`,
|
|
`s`.`INDEX_NAME` = 'PRIMARY' AS `index_is_primary`
|
|
FROM `information_schema`.`STATISTICS` AS `s`
|
|
WHERE `s`.`TABLE_SCHEMA` = COALESCE(:schemaName, DATABASE()) AND `s`.`INDEX_SCHEMA` = `s`.`TABLE_SCHEMA` AND `s`.`TABLE_NAME` = :tableName
|
|
ORDER BY `s`.`SEQ_IN_INDEX` ASC
|
|
SQL;
|
|
|
|
$resolvedName = $this->resolveTableName($tableName);
|
|
$indexes = $this->db->createCommand($sql, [
|
|
':schemaName' => $resolvedName->schemaName,
|
|
':tableName' => $resolvedName->name,
|
|
])->queryAll();
|
|
$indexes = $this->normalizePdoRowKeyCase($indexes, true);
|
|
$indexes = ArrayHelper::index($indexes, null, 'name');
|
|
$result = [];
|
|
foreach ($indexes as $name => $index) {
|
|
$result[] = new IndexConstraint([
|
|
'isPrimary' => (bool) $index[0]['index_is_primary'],
|
|
'isUnique' => (bool) $index[0]['index_is_unique'],
|
|
'name' => $name !== 'PRIMARY' ? $name : null,
|
|
'columnNames' => ArrayHelper::getColumn($index, 'column_name'),
|
|
]);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function loadTableUniques($tableName)
|
|
{
|
|
return $this->loadTableConstraints($tableName, 'uniques');
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @throws NotSupportedException if this method is called.
|
|
*/
|
|
protected function loadTableChecks($tableName)
|
|
{
|
|
throw new NotSupportedException('MySQL does not support check constraints.');
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @throws NotSupportedException if this method is called.
|
|
*/
|
|
protected function loadTableDefaultValues($tableName)
|
|
{
|
|
throw new NotSupportedException('MySQL does not support default value constraints.');
|
|
}
|
|
|
|
/**
|
|
* Creates a query builder for the MySQL database.
|
|
* @return QueryBuilder query builder instance
|
|
*/
|
|
public function createQueryBuilder()
|
|
{
|
|
return new QueryBuilder($this->db);
|
|
}
|
|
|
|
/**
|
|
* Resolves the table name and schema name (if any).
|
|
* @param TableSchema $table the table metadata object
|
|
* @param string $name the table name
|
|
*/
|
|
protected function resolveTableNames($table, $name)
|
|
{
|
|
$parts = explode('.', str_replace('`', '', $name));
|
|
if (isset($parts[1])) {
|
|
$table->schemaName = $parts[0];
|
|
$table->name = $parts[1];
|
|
$table->fullName = $table->schemaName . '.' . $table->name;
|
|
} else {
|
|
$table->fullName = $table->name = $parts[0];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Loads the column information into a [[ColumnSchema]] object.
|
|
* @param array $info column information
|
|
* @return ColumnSchema the column schema object
|
|
*/
|
|
protected function loadColumnSchema($info)
|
|
{
|
|
$column = $this->createColumnSchema();
|
|
|
|
$column->name = $info['field'];
|
|
$column->allowNull = $info['null'] === 'YES';
|
|
$column->isPrimaryKey = strpos($info['key'], 'PRI') !== false;
|
|
$column->autoIncrement = stripos($info['extra'], 'auto_increment') !== false;
|
|
$column->comment = $info['comment'];
|
|
|
|
$column->dbType = $info['type'];
|
|
$column->unsigned = stripos($column->dbType, 'unsigned') !== false;
|
|
|
|
$column->type = self::TYPE_STRING;
|
|
if (preg_match('/^(\w+)(?:\(([^\)]+)\))?/', $column->dbType, $matches)) {
|
|
$type = strtolower($matches[1]);
|
|
if (isset($this->typeMap[$type])) {
|
|
$column->type = $this->typeMap[$type];
|
|
}
|
|
if (!empty($matches[2])) {
|
|
if ($type === 'enum') {
|
|
preg_match_all("/'[^']*'/", $matches[2], $values);
|
|
foreach ($values[0] as $i => $value) {
|
|
$values[$i] = trim($value, "'");
|
|
}
|
|
$column->enumValues = $values;
|
|
} else {
|
|
$values = explode(',', $matches[2]);
|
|
$column->size = $column->precision = (int) $values[0];
|
|
if (isset($values[1])) {
|
|
$column->scale = (int) $values[1];
|
|
}
|
|
if ($column->size === 1 && $type === 'bit') {
|
|
$column->type = 'boolean';
|
|
} elseif ($type === 'bit') {
|
|
if ($column->size > 32) {
|
|
$column->type = 'bigint';
|
|
} elseif ($column->size === 32) {
|
|
$column->type = 'integer';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$column->phpType = $this->getColumnPhpType($column);
|
|
|
|
if (!$column->isPrimaryKey) {
|
|
/**
|
|
* When displayed in the INFORMATION_SCHEMA.COLUMNS table, a default CURRENT TIMESTAMP is displayed
|
|
* as CURRENT_TIMESTAMP up until MariaDB 10.2.2, and as current_timestamp() from MariaDB 10.2.3.
|
|
*
|
|
* See details here: https://mariadb.com/kb/en/library/now/#description
|
|
*/
|
|
if (($column->type === 'timestamp' || $column->type === 'datetime')
|
|
&& preg_match('/^current_timestamp(?:\(([0-9]*)\))?$/i', $info['default'], $matches)) {
|
|
$column->defaultValue = new Expression('CURRENT_TIMESTAMP' . (!empty($matches[1]) ? '(' . $matches[1] . ')' : ''));
|
|
} elseif (isset($type) && $type === 'bit') {
|
|
$column->defaultValue = bindec(trim($info['default'], 'b\''));
|
|
} else {
|
|
$column->defaultValue = $column->phpTypecast($info['default']);
|
|
}
|
|
}
|
|
|
|
return $column;
|
|
}
|
|
|
|
/**
|
|
* Collects the metadata of table columns.
|
|
* @param TableSchema $table the table metadata
|
|
* @return bool whether the table exists in the database
|
|
* @throws \Exception if DB query fails
|
|
*/
|
|
protected function findColumns($table)
|
|
{
|
|
$sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteTableName($table->fullName);
|
|
try {
|
|
$columns = $this->db->createCommand($sql)->queryAll();
|
|
} catch (\Exception $e) {
|
|
$previous = $e->getPrevious();
|
|
if ($previous instanceof \PDOException && strpos($previous->getMessage(), 'SQLSTATE[42S02') !== false) {
|
|
// table does not exist
|
|
// https://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html#error_er_bad_table_error
|
|
return false;
|
|
}
|
|
throw $e;
|
|
}
|
|
foreach ($columns as $info) {
|
|
if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) !== \PDO::CASE_LOWER) {
|
|
$info = array_change_key_case($info, CASE_LOWER);
|
|
}
|
|
$column = $this->loadColumnSchema($info);
|
|
$table->columns[$column->name] = $column;
|
|
if ($column->isPrimaryKey) {
|
|
$table->primaryKey[] = $column->name;
|
|
if ($column->autoIncrement) {
|
|
$table->sequenceName = '';
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Gets the CREATE TABLE sql string.
|
|
* @param TableSchema $table the table metadata
|
|
* @return string $sql the result of 'SHOW CREATE TABLE'
|
|
*/
|
|
protected function getCreateTableSql($table)
|
|
{
|
|
$row = $this->db->createCommand('SHOW CREATE TABLE ' . $this->quoteTableName($table->fullName))->queryOne();
|
|
if (isset($row['Create Table'])) {
|
|
$sql = $row['Create Table'];
|
|
} else {
|
|
$row = array_values($row);
|
|
$sql = $row[1];
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Collects the foreign key column details for the given table.
|
|
* @param TableSchema $table the table metadata
|
|
* @throws \Exception
|
|
*/
|
|
protected function findConstraints($table)
|
|
{
|
|
$sql = <<<'SQL'
|
|
SELECT
|
|
`kcu`.`CONSTRAINT_NAME` AS `constraint_name`,
|
|
`kcu`.`COLUMN_NAME` AS `column_name`,
|
|
`kcu`.`REFERENCED_TABLE_NAME` AS `referenced_table_name`,
|
|
`kcu`.`REFERENCED_COLUMN_NAME` AS `referenced_column_name`
|
|
FROM `information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc`
|
|
JOIN `information_schema`.`KEY_COLUMN_USAGE` AS `kcu` ON
|
|
(
|
|
`kcu`.`CONSTRAINT_CATALOG` = `rc`.`CONSTRAINT_CATALOG` OR
|
|
(`kcu`.`CONSTRAINT_CATALOG` IS NULL AND `rc`.`CONSTRAINT_CATALOG` IS NULL)
|
|
) AND
|
|
`kcu`.`CONSTRAINT_SCHEMA` = `rc`.`CONSTRAINT_SCHEMA` AND
|
|
`kcu`.`CONSTRAINT_NAME` = `rc`.`CONSTRAINT_NAME`
|
|
WHERE `rc`.`CONSTRAINT_SCHEMA` = database() AND `kcu`.`TABLE_SCHEMA` = database()
|
|
AND `rc`.`TABLE_NAME` = :tableName AND `kcu`.`TABLE_NAME` = :tableName1
|
|
SQL;
|
|
|
|
try {
|
|
$rows = $this->db->createCommand($sql, [':tableName' => $table->name, ':tableName1' => $table->name])->queryAll();
|
|
$constraints = [];
|
|
|
|
foreach ($rows as $row) {
|
|
$constraints[$row['constraint_name']]['referenced_table_name'] = $row['referenced_table_name'];
|
|
$constraints[$row['constraint_name']]['columns'][$row['column_name']] = $row['referenced_column_name'];
|
|
}
|
|
|
|
$table->foreignKeys = [];
|
|
foreach ($constraints as $name => $constraint) {
|
|
$table->foreignKeys[$name] = array_merge(
|
|
[$constraint['referenced_table_name']],
|
|
$constraint['columns']
|
|
);
|
|
}
|
|
} catch (\Exception $e) {
|
|
$previous = $e->getPrevious();
|
|
if (!$previous instanceof \PDOException || strpos($previous->getMessage(), 'SQLSTATE[42S02') === false) {
|
|
throw $e;
|
|
}
|
|
|
|
// table does not exist, try to determine the foreign keys using the table creation sql
|
|
$sql = $this->getCreateTableSql($table);
|
|
$regexp = '/FOREIGN KEY\s+\(([^\)]+)\)\s+REFERENCES\s+([^\(^\s]+)\s*\(([^\)]+)\)/mi';
|
|
if (preg_match_all($regexp, $sql, $matches, PREG_SET_ORDER)) {
|
|
foreach ($matches as $match) {
|
|
$fks = array_map('trim', explode(',', str_replace('`', '', $match[1])));
|
|
$pks = array_map('trim', explode(',', str_replace('`', '', $match[3])));
|
|
$constraint = [str_replace('`', '', $match[2])];
|
|
foreach ($fks as $k => $name) {
|
|
$constraint[$name] = $pks[$k];
|
|
}
|
|
$table->foreignKeys[md5(serialize($constraint))] = $constraint;
|
|
}
|
|
$table->foreignKeys = array_values($table->foreignKeys);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns all unique indexes for the given table.
|
|
*
|
|
* Each array element is of the following structure:
|
|
*
|
|
* ```php
|
|
* [
|
|
* 'IndexName1' => ['col1' [, ...]],
|
|
* 'IndexName2' => ['col2' [, ...]],
|
|
* ]
|
|
* ```
|
|
*
|
|
* @param TableSchema $table the table metadata
|
|
* @return array all unique indexes for the given table.
|
|
*/
|
|
public function findUniqueIndexes($table)
|
|
{
|
|
$sql = $this->getCreateTableSql($table);
|
|
$uniqueIndexes = [];
|
|
|
|
$regexp = '/UNIQUE KEY\s+\`(.+)\`\s*\((\`.+\`)+\)/mi';
|
|
if (preg_match_all($regexp, $sql, $matches, PREG_SET_ORDER)) {
|
|
foreach ($matches as $match) {
|
|
$indexName = $match[1];
|
|
$indexColumns = array_map('trim', explode('`,`', trim($match[2], '`')));
|
|
$uniqueIndexes[$indexName] = $indexColumns;
|
|
}
|
|
}
|
|
|
|
return $uniqueIndexes;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function createColumnSchemaBuilder($type, $length = null)
|
|
{
|
|
return new ColumnSchemaBuilder($type, $length, $this->db);
|
|
}
|
|
|
|
/**
|
|
* @return bool whether the version of the MySQL being used is older than 5.1.
|
|
* @throws InvalidConfigException
|
|
* @throws Exception
|
|
* @since 2.0.13
|
|
*/
|
|
protected function isOldMysql()
|
|
{
|
|
if ($this->_oldMysql === null) {
|
|
$version = $this->db->getSlavePdo()->getAttribute(\PDO::ATTR_SERVER_VERSION);
|
|
$this->_oldMysql = version_compare($version, '5.1', '<=');
|
|
}
|
|
|
|
return $this->_oldMysql;
|
|
}
|
|
|
|
/**
|
|
* Loads multiple types of constraints and returns the specified ones.
|
|
* @param string $tableName table name.
|
|
* @param string $returnType return type:
|
|
* - primaryKey
|
|
* - foreignKeys
|
|
* - uniques
|
|
* @return mixed constraints.
|
|
*/
|
|
private function loadTableConstraints($tableName, $returnType)
|
|
{
|
|
static $sql = <<<'SQL'
|
|
SELECT
|
|
`kcu`.`CONSTRAINT_NAME` AS `name`,
|
|
`kcu`.`COLUMN_NAME` AS `column_name`,
|
|
`tc`.`CONSTRAINT_TYPE` AS `type`,
|
|
CASE
|
|
WHEN :schemaName IS NULL AND `kcu`.`REFERENCED_TABLE_SCHEMA` = DATABASE() THEN NULL
|
|
ELSE `kcu`.`REFERENCED_TABLE_SCHEMA`
|
|
END AS `foreign_table_schema`,
|
|
`kcu`.`REFERENCED_TABLE_NAME` AS `foreign_table_name`,
|
|
`kcu`.`REFERENCED_COLUMN_NAME` AS `foreign_column_name`,
|
|
`rc`.`UPDATE_RULE` AS `on_update`,
|
|
`rc`.`DELETE_RULE` AS `on_delete`,
|
|
`kcu`.`ORDINAL_POSITION` AS `position`
|
|
FROM
|
|
`information_schema`.`KEY_COLUMN_USAGE` AS `kcu`,
|
|
`information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc`,
|
|
`information_schema`.`TABLE_CONSTRAINTS` AS `tc`
|
|
WHERE
|
|
`kcu`.`TABLE_SCHEMA` = COALESCE(:schemaName1, DATABASE()) AND `kcu`.`CONSTRAINT_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `kcu`.`TABLE_NAME` = :tableName
|
|
AND `rc`.`CONSTRAINT_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `rc`.`TABLE_NAME` = :tableName1 AND `rc`.`CONSTRAINT_NAME` = `kcu`.`CONSTRAINT_NAME`
|
|
AND `tc`.`TABLE_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `tc`.`TABLE_NAME` = :tableName2 AND `tc`.`CONSTRAINT_NAME` = `kcu`.`CONSTRAINT_NAME` AND `tc`.`CONSTRAINT_TYPE` = 'FOREIGN KEY'
|
|
UNION
|
|
SELECT
|
|
`kcu`.`CONSTRAINT_NAME` AS `name`,
|
|
`kcu`.`COLUMN_NAME` AS `column_name`,
|
|
`tc`.`CONSTRAINT_TYPE` AS `type`,
|
|
NULL AS `foreign_table_schema`,
|
|
NULL AS `foreign_table_name`,
|
|
NULL AS `foreign_column_name`,
|
|
NULL AS `on_update`,
|
|
NULL AS `on_delete`,
|
|
`kcu`.`ORDINAL_POSITION` AS `position`
|
|
FROM
|
|
`information_schema`.`KEY_COLUMN_USAGE` AS `kcu`,
|
|
`information_schema`.`TABLE_CONSTRAINTS` AS `tc`
|
|
WHERE
|
|
`kcu`.`TABLE_SCHEMA` = COALESCE(:schemaName2, DATABASE()) AND `kcu`.`TABLE_NAME` = :tableName3
|
|
AND `tc`.`TABLE_SCHEMA` = `kcu`.`TABLE_SCHEMA` AND `tc`.`TABLE_NAME` = :tableName4 AND `tc`.`CONSTRAINT_NAME` = `kcu`.`CONSTRAINT_NAME` AND `tc`.`CONSTRAINT_TYPE` IN ('PRIMARY KEY', 'UNIQUE')
|
|
ORDER BY `position` ASC
|
|
SQL;
|
|
|
|
$resolvedName = $this->resolveTableName($tableName);
|
|
$constraints = $this->db->createCommand($sql, [
|
|
':schemaName' => $resolvedName->schemaName,
|
|
':schemaName1' => $resolvedName->schemaName,
|
|
':schemaName2' => $resolvedName->schemaName,
|
|
':tableName' => $resolvedName->name,
|
|
':tableName1' => $resolvedName->name,
|
|
':tableName2' => $resolvedName->name,
|
|
':tableName3' => $resolvedName->name,
|
|
':tableName4' => $resolvedName->name
|
|
])->queryAll();
|
|
$constraints = $this->normalizePdoRowKeyCase($constraints, true);
|
|
$constraints = ArrayHelper::index($constraints, null, ['type', 'name']);
|
|
$result = [
|
|
'primaryKey' => null,
|
|
'foreignKeys' => [],
|
|
'uniques' => [],
|
|
];
|
|
foreach ($constraints as $type => $names) {
|
|
foreach ($names as $name => $constraint) {
|
|
switch ($type) {
|
|
case 'PRIMARY KEY':
|
|
$result['primaryKey'] = new Constraint([
|
|
'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
|
|
]);
|
|
break;
|
|
case 'FOREIGN KEY':
|
|
$result['foreignKeys'][] = new ForeignKeyConstraint([
|
|
'name' => $name,
|
|
'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
|
|
'foreignSchemaName' => $constraint[0]['foreign_table_schema'],
|
|
'foreignTableName' => $constraint[0]['foreign_table_name'],
|
|
'foreignColumnNames' => ArrayHelper::getColumn($constraint, 'foreign_column_name'),
|
|
'onDelete' => $constraint[0]['on_delete'],
|
|
'onUpdate' => $constraint[0]['on_update'],
|
|
]);
|
|
break;
|
|
case 'UNIQUE':
|
|
$result['uniques'][] = new Constraint([
|
|
'name' => $name,
|
|
'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
|
|
]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
foreach ($result as $type => $data) {
|
|
$this->setTableMetadata($tableName, $type, $data);
|
|
}
|
|
|
|
return $result[$returnType];
|
|
}
|
|
}
|