Schema::loadTableSchema() - Code Metrics - Inspection of "mention usage of deleteAll() in AR unlinkAll" - yiisoft/yii2 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( e0dde8...a7d2aa )

by Carsten

created 2017-07-08 22:40 UTC

Schema::loadTableSchema() C

↳ Parent: Schema

Complexity

Conditions	7
Paths	19

Size

Total Lines	45
Code Lines	28

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	56

Importance

Changes

Metric	Value
dl	0
loc	45
ccs	0
cts	37
cp	0
rs	6.7272
c	0
b	0
f	0
cc	7
eloc	28
nc	19
nop	1
crap	56

<?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\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
{
    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 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
    }

    /**
     * Quotes a table name for use in a query.
     * A simple table name has no schema prefix.
     * @param string $name table name
     * @return string the properly quoted table name
     */
    public function quoteSimpleTableName($name)
    {
        return strpos($name, '"') !== false ? $name : '"' . $name . '"';
    }

    /**
     * Quotes a column name for use in a query.
     * A simple column name has no prefix.
     * @param string $name column name
     * @return string the properly quoted column name
     */
    public function quoteSimpleColumnName($name)
    {
        return strpos($name, '"') !== false || $name === '*' ? $name : '"' . $name . '"';
    }

    /**
     * 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\ConstraintFinderTrait;
13			use yii\db\Expression;
14			use yii\db\ForeignKeyConstraint;
15			use yii\db\IndexConstraint;
16			use yii\db\TableSchema;
17			use yii\db\Transaction;
18			use yii\helpers\ArrayHelper;
19
20			/**
21			* Schema is the class for retrieving metadata from a CUBRID database (version 9.3.x and higher).
22			*
23			* @author Carsten Brandt <[email protected]>
24			* @since 2.0
25			*/
26			class Schema extends \yii\db\Schema
27			{
28			use ConstraintFinderTrait;
29
30			/**
31			* @var array mapping from physical column types (keys) to abstract column types (values)
32			* Please refer to [CUBRID manual](http://www.cubrid.org/manual/91/en/sql/datatype.html) for
33			* details on data types.
34			*/
35			public $typeMap = [
36			// Numeric data types
37			'short' => self::TYPE_SMALLINT,
38			'smallint' => self::TYPE_SMALLINT,
39			'int' => self::TYPE_INTEGER,
40			'integer' => self::TYPE_INTEGER,
41			'bigint' => self::TYPE_BIGINT,
42			'numeric' => self::TYPE_DECIMAL,
43			'decimal' => self::TYPE_DECIMAL,
44			'float' => self::TYPE_FLOAT,
45			'real' => self::TYPE_FLOAT,
46			'double' => self::TYPE_DOUBLE,
47			'double precision' => self::TYPE_DOUBLE,
48			'monetary' => self::TYPE_MONEY,
49			// Date/Time data types
50			'date' => self::TYPE_DATE,
51			'time' => self::TYPE_TIME,
52			'timestamp' => self::TYPE_TIMESTAMP,
53			'datetime' => self::TYPE_DATETIME,
54			// String data types
55			'char' => self::TYPE_CHAR,
56			'varchar' => self::TYPE_STRING,
57			'char varying' => self::TYPE_STRING,
58			'nchar' => self::TYPE_CHAR,
59			'nchar varying' => self::TYPE_STRING,
60			'string' => self::TYPE_STRING,
61			// BLOB/CLOB data types
62			'blob' => self::TYPE_BINARY,
63			'clob' => self::TYPE_BINARY,
64			// Bit string data types
65			'bit' => self::TYPE_INTEGER,
66			'bit varying' => self::TYPE_INTEGER,
67			// Collection data types (considered strings for now)
68			'set' => self::TYPE_STRING,
69			'multiset' => self::TYPE_STRING,
70			'list' => self::TYPE_STRING,
71			'sequence' => self::TYPE_STRING,
72			'enum' => self::TYPE_STRING,
73			];
74			/**
75			* @var array map of DB errors and corresponding exceptions
76			* If left part is found in DB error message exception class from the right part is used.
77			*/
78			public $exceptionMap = [
79			'Operation would have caused one or more unique constraint violations' => 'yii\db\IntegrityException',
80			];
81
82
83			/**
84			* @inheritDoc
85			*/
86			protected function findTableNames($schema = '')
87			{
88			$pdo = $this->db->getSlavePdo();
89			$tables = $pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE);
90			$tableNames = [];
91			foreach ($tables as $table) {
92			// do not list system tables
93			if ($table['TYPE'] != 0) {
94			$tableNames[] = $table['NAME'];
95			}
96			}
97
98			return $tableNames;
99			}
100
101			/**
102			* @inheritDoc
103			*/
104			protected function loadTableSchema($name)
105			{
106			$pdo = $this->db->getSlavePdo();
107
108			$tableInfo = $pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE, $name);
109
110			if (!isset($tableInfo[0]['NAME'])) {
111			return null;
112			}
113
114			$table = new TableSchema();
115			$table->fullName = $table->name = $tableInfo[0]['NAME'];
116
117			$sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteSimpleTableName($table->name);
118			$columns = $this->db->createCommand($sql)->queryAll();
119
120			foreach ($columns as $info) {
121			$column = $this->loadColumnSchema($info);
122			$table->columns[$column->name] = $column;
123			}
124
125			$primaryKeys = $pdo->cubrid_schema(\PDO::CUBRID_SCH_PRIMARY_KEY, $table->name);
126			foreach ($primaryKeys as $key) {
127			$column = $table->columns[$key['ATTR_NAME']];
128			$column->isPrimaryKey = true;
129			$table->primaryKey[] = $column->name;
130			if ($column->autoIncrement) {
131			$table->sequenceName = '';
132			}
133			}
134
135			$foreignKeys = $pdo->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $table->name);
136			foreach ($foreignKeys as $key) {
137			if (isset($table->foreignKeys[$key['FK_NAME']])) {
138			$table->foreignKeys[$key['FK_NAME']][$key['FKCOLUMN_NAME']] = $key['PKCOLUMN_NAME'];
139			} else {
140			$table->foreignKeys[$key['FK_NAME']] = [
141			$key['PKTABLE_NAME'],
142			$key['FKCOLUMN_NAME'] => $key['PKCOLUMN_NAME'],
143			];
144			}
145			}
146
147			return $table;
148			}
149
150			/**
151			* @inheritDoc
152			*/
153			protected function loadTablePrimaryKey($tableName)
154			{
155			$primaryKey = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_PRIMARY_KEY, $tableName);
156			if (empty($primaryKey)) {
157			return null;
158			}
159
160			ArrayHelper::multisort($primaryKey, 'KEY_SEQ', SORT_ASC, SORT_NUMERIC);
161			return new Constraint([
162			'name' => $primaryKey[0]['KEY_NAME'],
163			'columnNames' => ArrayHelper::getColumn($primaryKey, 'ATTR_NAME'),
164			]);
165			}
166
167			/**
168			* @inheritDoc
169			*/
170			protected function loadTableForeignKeys($tableName)
171			{
172			static $actionTypes = [
173			0 => 'CASCADE',
174			1 => 'RESTRICT',
175			2 => 'NO ACTION',
176			3 => 'SET NULL',
177			];
178
179			$foreignKeys = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $tableName);
180			$foreignKeys = ArrayHelper::index($foreignKeys, null, 'FK_NAME');
181			ArrayHelper::multisort($foreignKeys, 'KEY_SEQ', SORT_ASC, SORT_NUMERIC);
182			$result = [];
183			foreach ($foreignKeys as $name => $foreignKey) {
184			$result[] = new ForeignKeyConstraint([
185			'name' => $name,
186			'columnNames' => ArrayHelper::getColumn($foreignKey, 'FKCOLUMN_NAME'),
187			'foreignTableName' => $foreignKey[0]['PKTABLE_NAME'],
188			'foreignColumnNames' => ArrayHelper::getColumn($foreignKey, 'PKCOLUMN_NAME'),
189			'onDelete' => isset($actionTypes[$foreignKey[0]['DELETE_RULE']]) ? $actionTypes[$foreignKey[0]['DELETE_RULE']] : null,
190			'onUpdate' => isset($actionTypes[$foreignKey[0]['UPDATE_RULE']]) ? $actionTypes[$foreignKey[0]['UPDATE_RULE']] : null,
191			]);
192			}
193			return $result;
194			}
195
196			/**
197			* @inheritDoc
198			*/
199			protected function loadTableIndexes($tableName)
200			{
201			return $this->loadTableConstraints($tableName, 'indexes');
202			}
203
204			/**
205			* @inheritDoc
206			*/
207			protected function loadTableUniques($tableName)
208			{
209			return $this->loadTableConstraints($tableName, 'uniques');
210			}
211
212			/**
213			* @inheritDoc
214			* @throws NotSupportedException if this method is called.
215			*/
216			protected function loadTableChecks($tableName)
			0 ignored issues – show Unused Code introduced 2017-05-03 15:22 UTC by Report Bug Copy Issue Report The parameter `$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...
217			{
218			throw new NotSupportedException('CUBRID does not support check constraints.');
219			}
220
221			/**
222			* @inheritDoc
223			* @throws NotSupportedException if this method is called.
224			*/
225			protected function loadTableDefaultValues($tableName)
			0 ignored issues – show Unused Code introduced 2017-05-03 15:22 UTC by Report Bug Copy Issue Report The parameter `$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...
226			{
227			throw new NotSupportedException('CUBRID does not support default value constraints.');
228			}
229
230			/**
231			* @inheritdoc
232			*/
233			public function releaseSavepoint($name)
234			{
235			// does nothing as cubrid does not support this
236			}
237
238			/**
239			* Quotes a table name for use in a query.
240			* A simple table name has no schema prefix.
241			* @param string $name table name
242			* @return string the properly quoted table name
243			*/
244			public function quoteSimpleTableName($name)
245			{
246			return strpos($name, '"') !== false ? $name : '"' . $name . '"';
247			}
248
249			/**
250			* Quotes a column name for use in a query.
251			* A simple column name has no prefix.
252			* @param string $name column name
253			* @return string the properly quoted column name
254			*/
255			public function quoteSimpleColumnName($name)
256			{
257			return strpos($name, '"') !== false \|\| $name === '*' ? $name : '"' . $name . '"';
258			}
259
260			/**
261			* Creates a query builder for the CUBRID database.
262			* @return QueryBuilder query builder instance
263			*/
264			public function createQueryBuilder()
265			{
266			return new QueryBuilder($this->db);
267			}
268
269			/**
270			* Loads the column information into a [[ColumnSchema]] object.
271			* @param array $info column information
272			* @return \yii\db\ColumnSchema the column schema object
273			*/
274			protected function loadColumnSchema($info)
275			{
276			$column = $this->createColumnSchema();
277
278			$column->name = $info['Field'];
279			$column->allowNull = $info['Null'] === 'YES';
280			$column->isPrimaryKey = false; // primary key will be set by loadTableSchema() later
281			$column->autoIncrement = stripos($info['Extra'], 'auto_increment') !== false;
282
283			$column->dbType = $info['Type'];
284			$column->unsigned = strpos($column->dbType, 'unsigned') !== false;
285
286			$column->type = self::TYPE_STRING;
287			if (preg_match('/^([\w ]+)(?:\(([^\)]+)\))?$/', $column->dbType, $matches)) {
288			$type = strtolower($matches[1]);
289			$column->dbType = $type . (isset($matches[2]) ? "({$matches[2]})" : '');
290			if (isset($this->typeMap[$type])) {
291			$column->type = $this->typeMap[$type];
292			}
293			if (!empty($matches[2])) {
294			if ($type === 'enum') {
295			$values = preg_split('/\s,\s/', $matches[2]);
296			foreach ($values as $i => $value) {
297			$values[$i] = trim($value, "'");
298			}
299			$column->enumValues = $values;
300			} else {
301			$values = explode(',', $matches[2]);
302			$column->size = $column->precision = (int) $values[0];
303			if (isset($values[1])) {
304			$column->scale = (int) $values[1];
305			}
306			if ($column->size === 1 && $type === 'bit') {
307			$column->type = 'boolean';
308			} elseif ($type === 'bit') {
309			if ($column->size > 32) {
310			$column->type = 'bigint';
311			} elseif ($column->size === 32) {
312			$column->type = 'integer';
313			}
314			}
315			}
316			}
317			}
318
319			$column->phpType = $this->getColumnPhpType($column);
320
321			if ($column->isPrimaryKey) {
322			return $column;
323			}
324
325			if ($column->type === 'timestamp' && $info['Default'] === 'SYS_TIMESTAMP' \|\|
326			$column->type === 'datetime' && $info['Default'] === 'SYS_DATETIME' \|\|
327			$column->type === 'date' && $info['Default'] === 'SYS_DATE' \|\|
328			$column->type === 'time' && $info['Default'] === 'SYS_TIME'
329			) {
330			$column->defaultValue = new Expression($info['Default']);
331			} elseif (isset($type) && $type === 'bit') {
332			$column->defaultValue = hexdec(trim($info['Default'], 'X\''));
333			} else {
334			$column->defaultValue = $column->phpTypecast($info['Default']);
335			}
336
337			return $column;
338			}
339
340			/**
341			* Determines the PDO type for the given PHP data value.
342			* @param mixed $data the data whose PDO type is to be determined
343			* @return int the PDO type
344			* @see http://www.php.net/manual/en/pdo.constants.php
345			*/
346			public function getPdoType($data)
347			{
348			static $typeMap = [
349			// php type => PDO type
350			'boolean' => \PDO::PARAM_INT, // PARAM_BOOL is not supported by CUBRID PDO
351			'integer' => \PDO::PARAM_INT,
352			'string' => \PDO::PARAM_STR,
353			'resource' => \PDO::PARAM_LOB,
354			'NULL' => \PDO::PARAM_NULL,
355			];
356			$type = gettype($data);
357
358			return isset($typeMap[$type]) ? $typeMap[$type] : \PDO::PARAM_STR;
359			}
360
361			/**
362			* @inheritdoc
363			* @see http://www.cubrid.org/manual/91/en/sql/transaction.html#database-concurrency
364			*/
365			public function setTransactionIsolationLevel($level)
366			{
367			// translate SQL92 levels to CUBRID levels:
368			switch ($level) {
369			case Transaction::SERIALIZABLE:
370			$level = '6'; // SERIALIZABLE
371			break;
372			case Transaction::REPEATABLE_READ:
373			$level = '5'; // REPEATABLE READ CLASS with REPEATABLE READ INSTANCES
374			break;
375			case Transaction::READ_COMMITTED:
376			$level = '4'; // REPEATABLE READ CLASS with READ COMMITTED INSTANCES
377			break;
378			case Transaction::READ_UNCOMMITTED:
379			$level = '3'; // REPEATABLE READ CLASS with READ UNCOMMITTED INSTANCES
380			break;
381			}
382			parent::setTransactionIsolationLevel($level);
383			}
384
385			/**
386			* @inheritdoc
387			*/
388			public function createColumnSchemaBuilder($type, $length = null)
389			{
390			return new ColumnSchemaBuilder($type, $length, $this->db);
391			}
392
393			/**
394			* Loads multiple types of constraints and returns the specified ones.
395			* @param string $tableName table name.
396			* @param string $returnType return type:
397			* - indexes
398			* - uniques
399			* @return mixed constraints.
400			*/
401			private function loadTableConstraints($tableName, $returnType)
402			{
403			$constraints = $this->db->getSlavePdo()->cubrid_schema(\PDO::CUBRID_SCH_CONSTRAINT, $tableName);
404			$constraints = ArrayHelper::index($constraints, null, ['TYPE', 'NAME']);
405			ArrayHelper::multisort($constraints, 'KEY_ORDER', SORT_ASC, SORT_NUMERIC);
406			$result = [
407			'indexes' => [],
408			'uniques' => [],
409			];
410			foreach ($constraints as $type => $names) {
411			foreach ($names as $name => $constraint) {
412			$isUnique = in_array((int) $type, [0, 2], true);
413			$result['indexes'][] = new IndexConstraint([
414			'isPrimary' => (bool) $constraint[0]['PRIMARY_KEY'],
415			'isUnique' => $isUnique,
416			'name' => $name,
417			'columnNames' => ArrayHelper::getColumn($constraint, 'ATTR_NAME'),
418			]);
419			if ($isUnique) {
420			$result['uniques'][] = new Constraint([
421			'name' => $name,
422			'columnNames' => ArrayHelper::getColumn($constraint, 'ATTR_NAME'),
423			]);
424			}
425			}
426			}
427			foreach ($result as $type => $data) {
428			$this->setTableMetadata($tableName, $type, $data);
429			}
430			return $result[$returnType];
431			}
432			}
433

yiisoft / yii2

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Schema::loadTableSchema() C

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