Schema::loadTableForeignKeys() - Code Metrics - Inspection of "Fixes #14859: Fixed OCI DB `defaultSchema` failure..." - rob006/yii2-dev - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ecf3ef...78a151 )

by Robert

created 2018-02-11 18:58 UTC

Schema::loadTableForeignKeys() B

↳ Parent: Schema

Complexity

Conditions	4
Paths	2

Size

Total Lines	26
Code Lines	19

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	20

Importance

Changes

Metric	Value
dl	0
loc	26
rs	8.5806
c	0
b	0
f	0
ccs	0
cts	24
cp	0
cc	4
eloc	19
nc	2
nop	1
crap	20

<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\db\cubrid;

use yii\base\NotSupportedException;
use yii\db\Constraint;
use yii\db\ConstraintFinderInterface;
use yii\db\ConstraintFinderTrait;
use yii\db\Expression;
use yii\db\ForeignKeyConstraint;
use yii\db\IndexConstraint;
use yii\db\TableSchema;
use yii\db\Transaction;
use yii\helpers\ArrayHelper;

/**
 * Schema is the class for retrieving metadata from a CUBRID database (version 9.3.x and higher).
 *
 * @author Carsten Brandt <[email protected]>
 * @since 2.0
 */
class Schema extends \yii\db\Schema implements ConstraintFinderInterface
{
    use ConstraintFinderTrait;

    /**
     * @var array mapping from physical column types (keys) to abstract column types (values)
     * Please refer to [CUBRID manual](http://www.cubrid.org/manual/91/en/sql/datatype.html) for
     * details on data types.
     */
    public $typeMap = [
        // Numeric data types
        'short' => self::TYPE_SMALLINT,
        'smallint' => self::TYPE_SMALLINT,
        'int' => self::TYPE_INTEGER,
        'integer' => self::TYPE_INTEGER,
        'bigint' => self::TYPE_BIGINT,
        'numeric' => self::TYPE_DECIMAL,
        'decimal' => self::TYPE_DECIMAL,
        'float' => self::TYPE_FLOAT,
        'real' => self::TYPE_FLOAT,
        'double' => self::TYPE_DOUBLE,
        'double precision' => self::TYPE_DOUBLE,
        'monetary' => self::TYPE_MONEY,
        // Date/Time data types
        'date' => self::TYPE_DATE,
        'time' => self::TYPE_TIME,
        'timestamp' => self::TYPE_TIMESTAMP,
        'datetime' => self::TYPE_DATETIME,
        // String data types
        'char' => self::TYPE_CHAR,
        'varchar' => self::TYPE_STRING,
        'char varying' => self::TYPE_STRING,
        'nchar' => self::TYPE_CHAR,
        'nchar varying' => self::TYPE_STRING,
        'string' => self::TYPE_STRING,
        // BLOB/CLOB data types
        'blob' => self::TYPE_BINARY,
        'clob' => self::TYPE_BINARY,
        // Bit string data types
        'bit' => self::TYPE_INTEGER,
        'bit varying' => self::TYPE_INTEGER,
        // Collection data types (considered strings for now)
        'set' => self::TYPE_STRING,
        'multiset' => self::TYPE_STRING,
        'list' => self::TYPE_STRING,
        'sequence' => self::TYPE_STRING,
        'enum' => self::TYPE_STRING,
    ];
    /**
     * @var array map of DB errors and corresponding exceptions
     * If left part is found in DB error message exception class from the right part is used.
     */
    public $exceptionMap = [
        'Operation would have caused one or more unique constraint violations' => 'yii\db\IntegrityException',
    ];

    /**
     * @inheritDoc
     */
    protected $tableQuoteCharacter = '"';

    /**
     * @inheritDoc
     */
    protected function findTableNames($schema = '')
    {
        $pdo = $this->db->getSlavePdo();
        $tables = $pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE);
        $tableNames = [];
        foreach ($tables as $table) {
            // do not list system tables
            if ($table['TYPE'] != 0) {
                $tableNames[] = $table['NAME'];
            }
        }

        return $tableNames;
    }

    /**
     * @inheritDoc
     */
    protected function loadTableSchema($name)
    {
        $pdo = $this->db->getSlavePdo();

        $tableInfo = $pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE, $name);

        if (!isset($tableInfo[0]['NAME'])) {
            return null;
        }

        $table = new TableSchema();
        $table->fullName = $table->name = $tableInfo[0]['NAME'];

        $sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteSimpleTableName($table->name);
        $columns = $this->db->createCommand($sql)->queryAll();

        foreach ($columns as $info) {
            $column = $this->loadColumnSchema($info);
            $table->columns[$column->name] = $column;
        }

        $primaryKeys = $pdo->cubrid_schema(\PDO::CUBRID_SCH_PRIMARY_KEY, $table->name);
        foreach ($primaryKeys as $key) {
            $column = $table->columns[$key['ATTR_NAME']];
            $column->isPrimaryKey = true;
            $table->primaryKey[] = $column->name;
            if ($column->autoIncrement) {
                $table->sequenceName = '';
            }
        }

        $foreignKeys = $pdo->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $table->name);
        foreach ($foreignKeys as $key) {
            if (isset($table->foreignKeys[$key['FK_NAME']])) {
                $table->foreignKeys[$key['FK_NAME']][$key['FKCOLUMN_NAME']] = $key['PKCOLUMN_NAME'];
            } else {
                $table->foreignKeys[$key['FK_NAME']] = [
                    $key['PKTABLE_NAME'],
                    $key['FKCOLUMN_NAME'] => $key['PKCOLUMN_NAME'],
                ];
            }
        }

        return $table;
    }

    /**
     * @inheritDoc
     */
    protected function loadTablePrimaryKey($tableName)
    {
        $primaryKey = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_PRIMARY_KEY, $tableName);
        if (empty($primaryKey)) {
            return null;
        }

        ArrayHelper::multisort($primaryKey, 'KEY_SEQ', SORT_ASC, SORT_NUMERIC);
        return new Constraint([
            'name' => $primaryKey[0]['KEY_NAME'],
            'columnNames' => ArrayHelper::getColumn($primaryKey, 'ATTR_NAME'),
        ]);
    }

    /**
     * @inheritDoc
     */
    protected function loadTableForeignKeys($tableName)
    {
        static $actionTypes = [
            0 => 'CASCADE',
            1 => 'RESTRICT',
            2 => 'NO ACTION',
            3 => 'SET NULL',
        ];

        $foreignKeys = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $tableName);
        $foreignKeys = ArrayHelper::index($foreignKeys, null, 'FK_NAME');
        ArrayHelper::multisort($foreignKeys, 'KEY_SEQ', SORT_ASC, SORT_NUMERIC);
        $result = [];
        foreach ($foreignKeys as $name => $foreignKey) {
            $result[] = new ForeignKeyConstraint([
                'name' => $name,
                'columnNames' => ArrayHelper::getColumn($foreignKey, 'FKCOLUMN_NAME'),
                'foreignTableName' => $foreignKey[0]['PKTABLE_NAME'],
                'foreignColumnNames' => ArrayHelper::getColumn($foreignKey, 'PKCOLUMN_NAME'),
                'onDelete' => isset($actionTypes[$foreignKey[0]['DELETE_RULE']]) ? $actionTypes[$foreignKey[0]['DELETE_RULE']] : null,
                'onUpdate' => isset($actionTypes[$foreignKey[0]['UPDATE_RULE']]) ? $actionTypes[$foreignKey[0]['UPDATE_RULE']] : null,
            ]);
        }

        return $result;
    }

    /**
     * @inheritDoc
     */
    protected function loadTableIndexes($tableName)
    {
        return $this->loadTableConstraints($tableName, 'indexes');
    }

    /**
     * @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('CUBRID does not support check constraints.');
    }

    /**
     * @inheritDoc
     * @throws NotSupportedException if this method is called.
     */
    protected function loadTableDefaultValues($tableName)

    {
        throw new NotSupportedException('CUBRID does not support default value constraints.');
    }

    /**
     * {@inheritdoc}
     */
    public function releaseSavepoint($name)
    {
        // does nothing as cubrid does not support this
    }

    /**
     * Creates a query builder for the CUBRID database.
     * @return QueryBuilder query builder instance
     */
    public function createQueryBuilder()
    {
        return new QueryBuilder($this->db);
    }

    /**
     * Loads the column information into a [[ColumnSchema]] object.
     * @param array $info column information
     * @return \yii\db\ColumnSchema the column schema object
     */
    protected function loadColumnSchema($info)
    {
        $column = $this->createColumnSchema();

        $column->name = $info['Field'];
        $column->allowNull = $info['Null'] === 'YES';
        $column->isPrimaryKey = false; // primary key will be set by loadTableSchema() later
        $column->autoIncrement = stripos($info['Extra'], 'auto_increment') !== false;

        $column->dbType = $info['Type'];
        $column->unsigned = strpos($column->dbType, 'unsigned') !== false;

        $column->type = self::TYPE_STRING;
        if (preg_match('/^([\w ]+)(?:\(([^\)]+)\))?$/', $column->dbType, $matches)) {
            $type = strtolower($matches[1]);
            $column->dbType = $type . (isset($matches[2]) ? "({$matches[2]})" : '');
            if (isset($this->typeMap[$type])) {
                $column->type = $this->typeMap[$type];
            }
            if (!empty($matches[2])) {
                if ($type === 'enum') {
                    $values = preg_split('/\s*,\s*/', $matches[2]);
                    foreach ($values 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) {
            return $column;
        }

        if ($column->type === 'timestamp' && $info['Default'] === 'SYS_TIMESTAMP' ||
            $column->type === 'datetime' && $info['Default'] === 'SYS_DATETIME' ||
            $column->type === 'date' && $info['Default'] === 'SYS_DATE' ||
            $column->type === 'time' && $info['Default'] === 'SYS_TIME'
        ) {
            $column->defaultValue = new Expression($info['Default']);
        } elseif (isset($type) && $type === 'bit') {
            $column->defaultValue = hexdec(trim($info['Default'], 'X\''));
        } else {
            $column->defaultValue = $column->phpTypecast($info['Default']);
        }

        return $column;
    }

    /**
     * Determines the PDO type for the given PHP data value.
     * @param mixed $data the data whose PDO type is to be determined
     * @return int the PDO type
     * @see http://www.php.net/manual/en/pdo.constants.php
     */
    public function getPdoType($data)
    {
        static $typeMap = [
            // php type => PDO type
            'boolean' => \PDO::PARAM_INT, // PARAM_BOOL is not supported by CUBRID PDO
            'integer' => \PDO::PARAM_INT,
            'string' => \PDO::PARAM_STR,
            'resource' => \PDO::PARAM_LOB,
            'NULL' => \PDO::PARAM_NULL,
        ];
        $type = gettype($data);

        return isset($typeMap[$type]) ? $typeMap[$type] : \PDO::PARAM_STR;
    }

    /**
     * {@inheritdoc}
     * @see http://www.cubrid.org/manual/91/en/sql/transaction.html#database-concurrency
     */
    public function setTransactionIsolationLevel($level)
    {
        // translate SQL92 levels to CUBRID levels:
        switch ($level) {
            case Transaction::SERIALIZABLE:
                $level = '6'; // SERIALIZABLE
                break;
            case Transaction::REPEATABLE_READ:
                $level = '5'; // REPEATABLE READ CLASS with REPEATABLE READ INSTANCES
                break;
            case Transaction::READ_COMMITTED:
                $level = '4'; // REPEATABLE READ CLASS with READ COMMITTED INSTANCES
                break;
            case Transaction::READ_UNCOMMITTED:
                $level = '3'; // REPEATABLE READ CLASS with READ UNCOMMITTED INSTANCES
                break;
        }
        parent::setTransactionIsolationLevel($level);
    }

    /**
     * {@inheritdoc}
     */
    public function createColumnSchemaBuilder($type, $length = null)
    {
        return new ColumnSchemaBuilder($type, $length, $this->db);
    }

    /**
     * Loads multiple types of constraints and returns the specified ones.
     * @param string $tableName table name.
     * @param string $returnType return type:
     * - indexes
     * - uniques
     * @return mixed constraints.
     */
    private function loadTableConstraints($tableName, $returnType)
    {
        $constraints = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_CONSTRAINT, $tableName);
        $constraints = ArrayHelper::index($constraints, null, ['TYPE', 'NAME']);
        ArrayHelper::multisort($constraints, 'KEY_ORDER', SORT_ASC, SORT_NUMERIC);
        $result = [
            'indexes' => [],
            'uniques' => [],
        ];
        foreach ($constraints as $type => $names) {
            foreach ($names as $name => $constraint) {
                $isUnique = in_array((int) $type, [0, 2], true);
                $result['indexes'][] = new IndexConstraint([
                    'isPrimary' => (bool) $constraint[0]['PRIMARY_KEY'],
                    'isUnique' => $isUnique,
                    'name' => $name,
                    'columnNames' => ArrayHelper::getColumn($constraint, 'ATTR_NAME'),
                ]);
                if ($isUnique) {
                    $result['uniques'][] = new Constraint([
                        'name' => $name,
                        'columnNames' => ArrayHelper::getColumn($constraint, 'ATTR_NAME'),
                    ]);
                }
            }
        }
        foreach ($result as $type => $data) {
            $this->setTableMetadata($tableName, $type, $data);
        }

        return $result[$returnType];
    }
}


1			<?php
2			/**
3			* @link http://www.yiiframework.com/
4			* @copyright Copyright (c) 2008 Yii Software LLC
5			* @license http://www.yiiframework.com/license/
6			*/
7
8			namespace yii\db\cubrid;
9
10			use yii\base\NotSupportedException;
11			use yii\db\Constraint;
12			use yii\db\ConstraintFinderInterface;
13			use yii\db\ConstraintFinderTrait;
14			use yii\db\Expression;
15			use yii\db\ForeignKeyConstraint;
16			use yii\db\IndexConstraint;
17			use yii\db\TableSchema;
18			use yii\db\Transaction;
19			use yii\helpers\ArrayHelper;
20
21			/**
22			* Schema is the class for retrieving metadata from a CUBRID database (version 9.3.x and higher).
23			*
24			* @author Carsten Brandt <[email protected]>
25			* @since 2.0
26			*/
27			class Schema extends \yii\db\Schema implements ConstraintFinderInterface
28			{
29			use ConstraintFinderTrait;
30
31			/**
32			* @var array mapping from physical column types (keys) to abstract column types (values)
33			* Please refer to [CUBRID manual](http://www.cubrid.org/manual/91/en/sql/datatype.html) for
34			* details on data types.
35			*/
36			public $typeMap = [
37			// Numeric data types
38			'short' => self::TYPE_SMALLINT,
39			'smallint' => self::TYPE_SMALLINT,
40			'int' => self::TYPE_INTEGER,
41			'integer' => self::TYPE_INTEGER,
42			'bigint' => self::TYPE_BIGINT,
43			'numeric' => self::TYPE_DECIMAL,
44			'decimal' => self::TYPE_DECIMAL,
45			'float' => self::TYPE_FLOAT,
46			'real' => self::TYPE_FLOAT,
47			'double' => self::TYPE_DOUBLE,
48			'double precision' => self::TYPE_DOUBLE,
49			'monetary' => self::TYPE_MONEY,
50			// Date/Time data types
51			'date' => self::TYPE_DATE,
52			'time' => self::TYPE_TIME,
53			'timestamp' => self::TYPE_TIMESTAMP,
54			'datetime' => self::TYPE_DATETIME,
55			// String data types
56			'char' => self::TYPE_CHAR,
57			'varchar' => self::TYPE_STRING,
58			'char varying' => self::TYPE_STRING,
59			'nchar' => self::TYPE_CHAR,
60			'nchar varying' => self::TYPE_STRING,
61			'string' => self::TYPE_STRING,
62			// BLOB/CLOB data types
63			'blob' => self::TYPE_BINARY,
64			'clob' => self::TYPE_BINARY,
65			// Bit string data types
66			'bit' => self::TYPE_INTEGER,
67			'bit varying' => self::TYPE_INTEGER,
68			// Collection data types (considered strings for now)
69			'set' => self::TYPE_STRING,
70			'multiset' => self::TYPE_STRING,
71			'list' => self::TYPE_STRING,
72			'sequence' => self::TYPE_STRING,
73			'enum' => self::TYPE_STRING,
74			];
75			/**
76			* @var array map of DB errors and corresponding exceptions
77			* If left part is found in DB error message exception class from the right part is used.
78			*/
79			public $exceptionMap = [
80			'Operation would have caused one or more unique constraint violations' => 'yii\db\IntegrityException',
81			];
82
83			/**
84			* @inheritDoc
85			*/
86			protected $tableQuoteCharacter = '"';
87
88			/**
89			* @inheritDoc
90			*/
91			protected function findTableNames($schema = '')
92			{
93			$pdo = $this->db->getSlavePdo();
94			$tables = $pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE);
95			$tableNames = [];
96			foreach ($tables as $table) {
97			// do not list system tables
98			if ($table['TYPE'] != 0) {
99			$tableNames[] = $table['NAME'];
100			}
101			}
102
103			return $tableNames;
104			}
105
106			/**
107			* @inheritDoc
108			*/
109			protected function loadTableSchema($name)
110			{
111			$pdo = $this->db->getSlavePdo();
112
113			$tableInfo = $pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE, $name);
114
115			if (!isset($tableInfo[0]['NAME'])) {
116			return null;
117			}
118
119			$table = new TableSchema();
120			$table->fullName = $table->name = $tableInfo[0]['NAME'];
121
122			$sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteSimpleTableName($table->name);
123			$columns = $this->db->createCommand($sql)->queryAll();
124
125			foreach ($columns as $info) {
126			$column = $this->loadColumnSchema($info);
127			$table->columns[$column->name] = $column;
128			}
129
130			$primaryKeys = $pdo->cubrid_schema(\PDO::CUBRID_SCH_PRIMARY_KEY, $table->name);
131			foreach ($primaryKeys as $key) {
132			$column = $table->columns[$key['ATTR_NAME']];
133			$column->isPrimaryKey = true;
134			$table->primaryKey[] = $column->name;
135			if ($column->autoIncrement) {
136			$table->sequenceName = '';
137			}
138			}
139
140			$foreignKeys = $pdo->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $table->name);
141			foreach ($foreignKeys as $key) {
142			if (isset($table->foreignKeys[$key['FK_NAME']])) {
143			$table->foreignKeys[$key['FK_NAME']][$key['FKCOLUMN_NAME']] = $key['PKCOLUMN_NAME'];
144			} else {
145			$table->foreignKeys[$key['FK_NAME']] = [
146			$key['PKTABLE_NAME'],
147			$key['FKCOLUMN_NAME'] => $key['PKCOLUMN_NAME'],
148			];
149			}
150			}
151
152			return $table;
153			}
154
155			/**
156			* @inheritDoc
157			*/
158			protected function loadTablePrimaryKey($tableName)
159			{
160			$primaryKey = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_PRIMARY_KEY, $tableName);
161			if (empty($primaryKey)) {
162			return null;
163			}
164
165			ArrayHelper::multisort($primaryKey, 'KEY_SEQ', SORT_ASC, SORT_NUMERIC);
166			return new Constraint([
167			'name' => $primaryKey[0]['KEY_NAME'],
168			'columnNames' => ArrayHelper::getColumn($primaryKey, 'ATTR_NAME'),
169			]);
170			}
171
172			/**
173			* @inheritDoc
174			*/
175			protected function loadTableForeignKeys($tableName)
176			{
177			static $actionTypes = [
178			0 => 'CASCADE',
179			1 => 'RESTRICT',
180			2 => 'NO ACTION',
181			3 => 'SET NULL',
182			];
183
184			$foreignKeys = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $tableName);
185			$foreignKeys = ArrayHelper::index($foreignKeys, null, 'FK_NAME');
186			ArrayHelper::multisort($foreignKeys, 'KEY_SEQ', SORT_ASC, SORT_NUMERIC);
187			$result = [];
188			foreach ($foreignKeys as $name => $foreignKey) {
189			$result[] = new ForeignKeyConstraint([
190			'name' => $name,
191			'columnNames' => ArrayHelper::getColumn($foreignKey, 'FKCOLUMN_NAME'),
192			'foreignTableName' => $foreignKey[0]['PKTABLE_NAME'],
193			'foreignColumnNames' => ArrayHelper::getColumn($foreignKey, 'PKCOLUMN_NAME'),
194			'onDelete' => isset($actionTypes[$foreignKey[0]['DELETE_RULE']]) ? $actionTypes[$foreignKey[0]['DELETE_RULE']] : null,
195			'onUpdate' => isset($actionTypes[$foreignKey[0]['UPDATE_RULE']]) ? $actionTypes[$foreignKey[0]['UPDATE_RULE']] : null,
196			]);
197			}
198
199			return $result;
200			}
201
202			/**
203			* @inheritDoc
204			*/
205			protected function loadTableIndexes($tableName)
206			{
207			return $this->loadTableConstraints($tableName, 'indexes');
208			}
209
210			/**
211			* @inheritDoc
212			*/
213			protected function loadTableUniques($tableName)
214			{
215			return $this->loadTableConstraints($tableName, 'uniques');
216			}
217
218			/**
219			* @inheritDoc
220			* @throws NotSupportedException if this method is called.
221			*/
222			protected function loadTableChecks($tableName)
			0 ignored issues – show Unused Code introduced 2017-08-16 21:46 UTC by Report Bug Copy Issue Report The parameter `$tableName` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
223			{
224			throw new NotSupportedException('CUBRID does not support check constraints.');
225			}
226
227			/**
228			* @inheritDoc
229			* @throws NotSupportedException if this method is called.
230			*/
231			protected function loadTableDefaultValues($tableName)
			0 ignored issues – show Unused Code introduced 2017-08-16 21:46 UTC by Report Bug Copy Issue Report The parameter `$tableName` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
232			{
233			throw new NotSupportedException('CUBRID does not support default value constraints.');
234			}
235
236			/**
237			* {@inheritdoc}
238			*/
239			public function releaseSavepoint($name)
240			{
241			// does nothing as cubrid does not support this
242			}
243
244			/**
245			* Creates a query builder for the CUBRID database.
246			* @return QueryBuilder query builder instance
247			*/
248			public function createQueryBuilder()
249			{
250			return new QueryBuilder($this->db);
251			}
252
253			/**
254			* Loads the column information into a [[ColumnSchema]] object.
255			* @param array $info column information
256			* @return \yii\db\ColumnSchema the column schema object
257			*/
258			protected function loadColumnSchema($info)
259			{
260			$column = $this->createColumnSchema();
261
262			$column->name = $info['Field'];
263			$column->allowNull = $info['Null'] === 'YES';
264			$column->isPrimaryKey = false; // primary key will be set by loadTableSchema() later
265			$column->autoIncrement = stripos($info['Extra'], 'auto_increment') !== false;
266
267			$column->dbType = $info['Type'];
268			$column->unsigned = strpos($column->dbType, 'unsigned') !== false;
269
270			$column->type = self::TYPE_STRING;
271			if (preg_match('/^([\w ]+)(?:\(([^\)]+)\))?$/', $column->dbType, $matches)) {
272			$type = strtolower($matches[1]);
273			$column->dbType = $type . (isset($matches[2]) ? "({$matches[2]})" : '');
274			if (isset($this->typeMap[$type])) {
275			$column->type = $this->typeMap[$type];
276			}
277			if (!empty($matches[2])) {
278			if ($type === 'enum') {
279			$values = preg_split('/\s,\s/', $matches[2]);
280			foreach ($values as $i => $value) {
281			$values[$i] = trim($value, "'");
282			}
283			$column->enumValues = $values;
284			} else {
285			$values = explode(',', $matches[2]);
286			$column->size = $column->precision = (int) $values[0];
287			if (isset($values[1])) {
288			$column->scale = (int) $values[1];
289			}
290			if ($column->size === 1 && $type === 'bit') {
291			$column->type = 'boolean';
292			} elseif ($type === 'bit') {
293			if ($column->size > 32) {
294			$column->type = 'bigint';
295			} elseif ($column->size === 32) {
296			$column->type = 'integer';
297			}
298			}
299			}
300			}
301			}
302
303			$column->phpType = $this->getColumnPhpType($column);
304
305			if ($column->isPrimaryKey) {
306			return $column;
307			}
308
309			if ($column->type === 'timestamp' && $info['Default'] === 'SYS_TIMESTAMP' \|\|
310			$column->type === 'datetime' && $info['Default'] === 'SYS_DATETIME' \|\|
311			$column->type === 'date' && $info['Default'] === 'SYS_DATE' \|\|
312			$column->type === 'time' && $info['Default'] === 'SYS_TIME'
313			) {
314			$column->defaultValue = new Expression($info['Default']);
315			} elseif (isset($type) && $type === 'bit') {
316			$column->defaultValue = hexdec(trim($info['Default'], 'X\''));
317			} else {
318			$column->defaultValue = $column->phpTypecast($info['Default']);
319			}
320
321			return $column;
322			}
323
324			/**
325			* Determines the PDO type for the given PHP data value.
326			* @param mixed $data the data whose PDO type is to be determined
327			* @return int the PDO type
328			* @see http://www.php.net/manual/en/pdo.constants.php
329			*/
330			public function getPdoType($data)
331			{
332			static $typeMap = [
333			// php type => PDO type
334			'boolean' => \PDO::PARAM_INT, // PARAM_BOOL is not supported by CUBRID PDO
335			'integer' => \PDO::PARAM_INT,
336			'string' => \PDO::PARAM_STR,
337			'resource' => \PDO::PARAM_LOB,
338			'NULL' => \PDO::PARAM_NULL,
339			];
340			$type = gettype($data);
341
342			return isset($typeMap[$type]) ? $typeMap[$type] : \PDO::PARAM_STR;
343			}
344
345			/**
346			* {@inheritdoc}
347			* @see http://www.cubrid.org/manual/91/en/sql/transaction.html#database-concurrency
348			*/
349			public function setTransactionIsolationLevel($level)
350			{
351			// translate SQL92 levels to CUBRID levels:
352			switch ($level) {
353			case Transaction::SERIALIZABLE:
354			$level = '6'; // SERIALIZABLE
355			break;
356			case Transaction::REPEATABLE_READ:
357			$level = '5'; // REPEATABLE READ CLASS with REPEATABLE READ INSTANCES
358			break;
359			case Transaction::READ_COMMITTED:
360			$level = '4'; // REPEATABLE READ CLASS with READ COMMITTED INSTANCES
361			break;
362			case Transaction::READ_UNCOMMITTED:
363			$level = '3'; // REPEATABLE READ CLASS with READ UNCOMMITTED INSTANCES
364			break;
365			}
366			parent::setTransactionIsolationLevel($level);
367			}
368
369			/**
370			* {@inheritdoc}
371			*/
372			public function createColumnSchemaBuilder($type, $length = null)
373			{
374			return new ColumnSchemaBuilder($type, $length, $this->db);
375			}
376
377			/**
378			* Loads multiple types of constraints and returns the specified ones.
379			* @param string $tableName table name.
380			* @param string $returnType return type:
381			* - indexes
382			* - uniques
383			* @return mixed constraints.
384			*/
385			private function loadTableConstraints($tableName, $returnType)
386			{
387			$constraints = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_CONSTRAINT, $tableName);
388			$constraints = ArrayHelper::index($constraints, null, ['TYPE', 'NAME']);
389			ArrayHelper::multisort($constraints, 'KEY_ORDER', SORT_ASC, SORT_NUMERIC);
390			$result = [
391			'indexes' => [],
392			'uniques' => [],
393			];
394			foreach ($constraints as $type => $names) {
395			foreach ($names as $name => $constraint) {
396			$isUnique = in_array((int) $type, [0, 2], true);
397			$result['indexes'][] = new IndexConstraint([
398			'isPrimary' => (bool) $constraint[0]['PRIMARY_KEY'],
399			'isUnique' => $isUnique,
400			'name' => $name,
401			'columnNames' => ArrayHelper::getColumn($constraint, 'ATTR_NAME'),
402			]);
403			if ($isUnique) {
404			$result['uniques'][] = new Constraint([
405			'name' => $name,
406			'columnNames' => ArrayHelper::getColumn($constraint, 'ATTR_NAME'),
407			]);
408			}
409			}
410			}
411			foreach ($result as $type => $data) {
412			$this->setTableMetadata($tableName, $type, $data);
413			}
414
415			return $result[$returnType];
416			}
417			}
418

rob006 / yii2-dev

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Schema::loadTableForeignKeys() B

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