mirror of
				https://github.com/yiisoft/yii2.git
				synced 2025-10-30 18:17:00 +08:00 
			
		
		
		
	
		
			
				
	
	
		
			742 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			742 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
 | |
| /**
 | |
|  * @link https://www.yiiframework.com/
 | |
|  * @copyright Copyright (c) 2008 Yii Software LLC
 | |
|  * @license https://www.yiiframework.com/license/
 | |
|  */
 | |
| 
 | |
| namespace yii\db\oci;
 | |
| 
 | |
| use Yii;
 | |
| use yii\base\InvalidCallException;
 | |
| use yii\base\NotSupportedException;
 | |
| use yii\db\CheckConstraint;
 | |
| use yii\db\ColumnSchema;
 | |
| use yii\db\Connection;
 | |
| 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\helpers\ArrayHelper;
 | |
| 
 | |
| /**
 | |
|  * Schema is the class for retrieving metadata from an Oracle database.
 | |
|  *
 | |
|  * @property-read string $lastInsertID The row ID of the last row inserted, or the last value retrieved from
 | |
|  * the sequence object.
 | |
|  *
 | |
|  * @author Qiang Xue <qiang.xue@gmail.com>
 | |
|  * @since 2.0
 | |
|  */
 | |
| class Schema extends \yii\db\Schema implements ConstraintFinderInterface
 | |
| {
 | |
|     use ConstraintFinderTrait;
 | |
| 
 | |
|     /**
 | |
|      * @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 = [
 | |
|         'ORA-00001: unique constraint' => 'yii\db\IntegrityException',
 | |
|     ];
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     protected $tableQuoteCharacter = '"';
 | |
| 
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     public function init()
 | |
|     {
 | |
|         parent::init();
 | |
|         if ($this->defaultSchema === null) {
 | |
|             $username = $this->db->username;
 | |
|             if (empty($username)) {
 | |
|                 $username = isset($this->db->masters[0]['username']) ? $this->db->masters[0]['username'] : '';
 | |
|             }
 | |
|             $this->defaultSchema = strtoupper($username);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@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}
 | |
|      * @see https://docs.oracle.com/cd/B28359_01/server.111/b28337/tdpsg_user_accounts.htm
 | |
|      */
 | |
|     protected function findSchemaNames()
 | |
|     {
 | |
|         static $sql = <<<'SQL'
 | |
| SELECT "u"."USERNAME"
 | |
| FROM "DBA_USERS" "u"
 | |
| WHERE "u"."DEFAULT_TABLESPACE" NOT IN ('SYSTEM', 'SYSAUX')
 | |
| ORDER BY "u"."USERNAME" ASC
 | |
| SQL;
 | |
| 
 | |
|         return $this->db->createCommand($sql)->queryColumn();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     protected function findTableNames($schema = '')
 | |
|     {
 | |
|         if ($schema === '') {
 | |
|             $sql = <<<'SQL'
 | |
| SELECT
 | |
|     TABLE_NAME
 | |
| FROM USER_TABLES
 | |
| UNION ALL
 | |
| SELECT
 | |
|     VIEW_NAME AS TABLE_NAME
 | |
| FROM USER_VIEWS
 | |
| UNION ALL
 | |
| SELECT
 | |
|     MVIEW_NAME AS TABLE_NAME
 | |
| FROM USER_MVIEWS
 | |
| ORDER BY TABLE_NAME
 | |
| SQL;
 | |
|             $command = $this->db->createCommand($sql);
 | |
|         } else {
 | |
|             $sql = <<<'SQL'
 | |
| SELECT
 | |
|     OBJECT_NAME AS TABLE_NAME
 | |
| FROM ALL_OBJECTS
 | |
| WHERE
 | |
|     OBJECT_TYPE IN ('TABLE', 'VIEW', 'MATERIALIZED VIEW')
 | |
|     AND OWNER = :schema
 | |
| ORDER BY OBJECT_NAME
 | |
| SQL;
 | |
|             $command = $this->db->createCommand($sql, [':schema' => $schema]);
 | |
|         }
 | |
| 
 | |
|         $rows = $command->queryAll();
 | |
|         $names = [];
 | |
|         foreach ($rows as $row) {
 | |
|             if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) === \PDO::CASE_LOWER) {
 | |
|                 $row = array_change_key_case($row, CASE_UPPER);
 | |
|             }
 | |
|             $names[] = $row['TABLE_NAME'];
 | |
|         }
 | |
| 
 | |
|         return $names;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     protected function loadTableSchema($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
 | |
|     /*+ PUSH_PRED("ui") PUSH_PRED("uicol") PUSH_PRED("uc") */
 | |
|     "ui"."INDEX_NAME" AS "name",
 | |
|     "uicol"."COLUMN_NAME" AS "column_name",
 | |
|     CASE "ui"."UNIQUENESS" WHEN 'UNIQUE' THEN 1 ELSE 0 END AS "index_is_unique",
 | |
|     CASE WHEN "uc"."CONSTRAINT_NAME" IS NOT NULL THEN 1 ELSE 0 END AS "index_is_primary"
 | |
| FROM "SYS"."USER_INDEXES" "ui"
 | |
| LEFT JOIN "SYS"."USER_IND_COLUMNS" "uicol"
 | |
|     ON "uicol"."INDEX_NAME" = "ui"."INDEX_NAME"
 | |
| LEFT JOIN "SYS"."USER_CONSTRAINTS" "uc"
 | |
|     ON "uc"."OWNER" = "ui"."TABLE_OWNER" AND "uc"."CONSTRAINT_NAME" = "ui"."INDEX_NAME" AND "uc"."CONSTRAINT_TYPE" = 'P'
 | |
| WHERE "ui"."TABLE_OWNER" = :schemaName AND "ui"."TABLE_NAME" = :tableName
 | |
| ORDER BY "uicol"."COLUMN_POSITION" 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' => $name,
 | |
|                 'columnNames' => ArrayHelper::getColumn($index, 'column_name'),
 | |
|             ]);
 | |
|         }
 | |
| 
 | |
|         return $result;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     protected function loadTableUniques($tableName)
 | |
|     {
 | |
|         return $this->loadTableConstraints($tableName, 'uniques');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     protected function loadTableChecks($tableName)
 | |
|     {
 | |
|         return $this->loadTableConstraints($tableName, 'checks');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      * @throws NotSupportedException if this method is called.
 | |
|      */
 | |
|     protected function loadTableDefaultValues($tableName)
 | |
|     {
 | |
|         throw new NotSupportedException('Oracle does not support default value constraints.');
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     public function releaseSavepoint($name)
 | |
|     {
 | |
|         // does nothing as Oracle does not support this
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     public function quoteSimpleTableName($name)
 | |
|     {
 | |
|         return strpos($name, '"') !== false ? $name : '"' . $name . '"';
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     public function createQueryBuilder()
 | |
|     {
 | |
|         return Yii::createObject(QueryBuilder::className(), [$this->db]);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     public function createColumnSchemaBuilder($type, $length = null)
 | |
|     {
 | |
|         return Yii::createObject(ColumnSchemaBuilder::className(), [$type, $length]);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * 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];
 | |
|         } else {
 | |
|             $table->schemaName = $this->defaultSchema;
 | |
|             $table->name = $name;
 | |
|         }
 | |
| 
 | |
|         $table->fullName = $table->schemaName !== $this->defaultSchema ? $table->schemaName . '.' . $table->name : $table->name;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Collects the table column metadata.
 | |
|      * @param TableSchema $table the table schema
 | |
|      * @return bool whether the table exists
 | |
|      */
 | |
|     protected function findColumns($table)
 | |
|     {
 | |
|         $sql = <<<'SQL'
 | |
| SELECT
 | |
|     A.COLUMN_NAME,
 | |
|     A.DATA_TYPE,
 | |
|     A.DATA_PRECISION,
 | |
|     A.DATA_SCALE,
 | |
|     (
 | |
|       CASE A.CHAR_USED WHEN 'C' THEN A.CHAR_LENGTH
 | |
|         ELSE A.DATA_LENGTH
 | |
|       END
 | |
|     ) AS DATA_LENGTH,
 | |
|     A.NULLABLE,
 | |
|     A.DATA_DEFAULT,
 | |
|     COM.COMMENTS AS COLUMN_COMMENT
 | |
| FROM ALL_TAB_COLUMNS A
 | |
|     INNER JOIN ALL_OBJECTS B ON B.OWNER = A.OWNER AND LTRIM(B.OBJECT_NAME) = LTRIM(A.TABLE_NAME)
 | |
|     LEFT JOIN ALL_COL_COMMENTS COM ON (A.OWNER = COM.OWNER AND A.TABLE_NAME = COM.TABLE_NAME AND A.COLUMN_NAME = COM.COLUMN_NAME)
 | |
| WHERE
 | |
|     A.OWNER = :schemaName
 | |
|     AND B.OBJECT_TYPE IN ('TABLE', 'VIEW', 'MATERIALIZED VIEW')
 | |
|     AND B.OBJECT_NAME = :tableName
 | |
| ORDER BY A.COLUMN_ID
 | |
| SQL;
 | |
| 
 | |
|         try {
 | |
|             $columns = $this->db->createCommand($sql, [
 | |
|                 ':tableName' => $table->name,
 | |
|                 ':schemaName' => $table->schemaName,
 | |
|             ])->queryAll();
 | |
|         } catch (\Exception $e) {
 | |
|             return false;
 | |
|         }
 | |
| 
 | |
|         if (empty($columns)) {
 | |
|             return false;
 | |
|         }
 | |
| 
 | |
|         foreach ($columns as $column) {
 | |
|             if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) === \PDO::CASE_LOWER) {
 | |
|                 $column = array_change_key_case($column, CASE_UPPER);
 | |
|             }
 | |
|             $c = $this->createColumn($column);
 | |
|             $table->columns[$c->name] = $c;
 | |
|         }
 | |
| 
 | |
|         return true;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Sequence name of table.
 | |
|      *
 | |
|      * @param string $tableName
 | |
|      * @internal param \yii\db\TableSchema $table->name the table schema
 | |
|      * @return string|null whether the sequence exists
 | |
|      */
 | |
|     protected function getTableSequenceName($tableName)
 | |
|     {
 | |
|         $sequenceNameSql = <<<'SQL'
 | |
| SELECT
 | |
|     UD.REFERENCED_NAME AS SEQUENCE_NAME
 | |
| FROM USER_DEPENDENCIES UD
 | |
|     JOIN USER_TRIGGERS UT ON (UT.TRIGGER_NAME = UD.NAME)
 | |
| WHERE
 | |
|     UT.TABLE_NAME = :tableName
 | |
|     AND UD.TYPE = 'TRIGGER'
 | |
|     AND UD.REFERENCED_TYPE = 'SEQUENCE'
 | |
| SQL;
 | |
|         $sequenceName = $this->db->createCommand($sequenceNameSql, [':tableName' => $tableName])->queryScalar();
 | |
|         return $sequenceName === false ? null : $sequenceName;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @Overrides method in class 'Schema'
 | |
|      * @see https://www.php.net/manual/en/function.PDO-lastInsertId.php -> Oracle does not support this
 | |
|      *
 | |
|      * Returns the ID of the last inserted row or sequence value.
 | |
|      * @param string $sequenceName name of the sequence object (required by some DBMS)
 | |
|      * @return string the row ID of the last row inserted, or the last value retrieved from the sequence object
 | |
|      * @throws InvalidCallException if the DB connection is not active
 | |
|      */
 | |
|     public function getLastInsertID($sequenceName = '')
 | |
|     {
 | |
|         if ($this->db->isActive) {
 | |
|             // get the last insert id from the master connection
 | |
|             $sequenceName = $this->quoteSimpleTableName($sequenceName);
 | |
|             return $this->db->useMaster(function (Connection $db) use ($sequenceName) {
 | |
|                 return $db->createCommand("SELECT {$sequenceName}.CURRVAL FROM DUAL")->queryScalar();
 | |
|             });
 | |
|         } else {
 | |
|             throw new InvalidCallException('DB Connection is not active.');
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Creates ColumnSchema instance.
 | |
|      *
 | |
|      * @param array $column
 | |
|      * @return ColumnSchema
 | |
|      */
 | |
|     protected function createColumn($column)
 | |
|     {
 | |
|         $c = $this->createColumnSchema();
 | |
|         $c->name = $column['COLUMN_NAME'];
 | |
|         $c->allowNull = $column['NULLABLE'] === 'Y';
 | |
|         $c->comment = $column['COLUMN_COMMENT'] === null ? '' : $column['COLUMN_COMMENT'];
 | |
|         $c->isPrimaryKey = false;
 | |
|         $this->extractColumnType($c, $column['DATA_TYPE'], $column['DATA_PRECISION'], $column['DATA_SCALE'], $column['DATA_LENGTH']);
 | |
|         $this->extractColumnSize($c, $column['DATA_TYPE'], $column['DATA_PRECISION'], $column['DATA_SCALE'], $column['DATA_LENGTH']);
 | |
| 
 | |
|         $c->phpType = $this->getColumnPhpType($c);
 | |
| 
 | |
|         if (!$c->isPrimaryKey) {
 | |
|             if (stripos((string) $column['DATA_DEFAULT'], 'timestamp') !== false) {
 | |
|                 $c->defaultValue = null;
 | |
|             } else {
 | |
|                 $defaultValue = (string) $column['DATA_DEFAULT'];
 | |
|                 if ($c->type === 'timestamp' && $defaultValue === 'CURRENT_TIMESTAMP') {
 | |
|                     $c->defaultValue = new Expression('CURRENT_TIMESTAMP');
 | |
|                 } else {
 | |
|                     if ($defaultValue !== null) {
 | |
|                         if (
 | |
|                             strlen($defaultValue) > 2
 | |
|                             && strncmp($defaultValue, "'", 1) === 0
 | |
|                             && substr($defaultValue, -1) === "'"
 | |
|                         ) {
 | |
|                             $defaultValue = substr($defaultValue, 1, -1);
 | |
|                         } else {
 | |
|                             $defaultValue = trim($defaultValue);
 | |
|                         }
 | |
|                     }
 | |
|                     $c->defaultValue = $c->phpTypecast($defaultValue);
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
| 
 | |
|         return $c;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Finds constraints and fills them into TableSchema object passed.
 | |
|      * @param TableSchema $table
 | |
|      */
 | |
|     protected function findConstraints($table)
 | |
|     {
 | |
|         $sql = <<<'SQL'
 | |
| SELECT
 | |
|     /*+ PUSH_PRED(C) PUSH_PRED(D) PUSH_PRED(E) */
 | |
|     D.CONSTRAINT_NAME,
 | |
|     D.CONSTRAINT_TYPE,
 | |
|     C.COLUMN_NAME,
 | |
|     C.POSITION,
 | |
|     D.R_CONSTRAINT_NAME,
 | |
|     E.TABLE_NAME AS TABLE_REF,
 | |
|     F.COLUMN_NAME AS COLUMN_REF,
 | |
|     C.TABLE_NAME
 | |
| FROM ALL_CONS_COLUMNS C
 | |
|     INNER JOIN ALL_CONSTRAINTS D ON D.OWNER = C.OWNER AND D.CONSTRAINT_NAME = C.CONSTRAINT_NAME
 | |
|     LEFT JOIN ALL_CONSTRAINTS E ON E.OWNER = D.R_OWNER AND E.CONSTRAINT_NAME = D.R_CONSTRAINT_NAME
 | |
|     LEFT JOIN ALL_CONS_COLUMNS F ON F.OWNER = E.OWNER AND F.CONSTRAINT_NAME = E.CONSTRAINT_NAME AND F.POSITION = C.POSITION
 | |
| WHERE
 | |
|     C.OWNER = :schemaName
 | |
|     AND C.TABLE_NAME = :tableName
 | |
| ORDER BY D.CONSTRAINT_NAME, C.POSITION
 | |
| SQL;
 | |
|         $command = $this->db->createCommand($sql, [
 | |
|             ':tableName' => $table->name,
 | |
|             ':schemaName' => $table->schemaName,
 | |
|         ]);
 | |
|         $constraints = [];
 | |
|         foreach ($command->queryAll() as $row) {
 | |
|             if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) === \PDO::CASE_LOWER) {
 | |
|                 $row = array_change_key_case($row, CASE_UPPER);
 | |
|             }
 | |
| 
 | |
|             if ($row['CONSTRAINT_TYPE'] === 'P') {
 | |
|                 $table->columns[$row['COLUMN_NAME']]->isPrimaryKey = true;
 | |
|                 $table->primaryKey[] = $row['COLUMN_NAME'];
 | |
|                 if (empty($table->sequenceName)) {
 | |
|                     $table->sequenceName = $this->getTableSequenceName($table->name);
 | |
|                 }
 | |
|             }
 | |
| 
 | |
|             if ($row['CONSTRAINT_TYPE'] !== 'R') {
 | |
|                 // this condition is not checked in SQL WHERE because of an Oracle Bug:
 | |
|                 // see https://github.com/yiisoft/yii2/pull/8844
 | |
|                 continue;
 | |
|             }
 | |
| 
 | |
|             $name = $row['CONSTRAINT_NAME'];
 | |
|             if (!isset($constraints[$name])) {
 | |
|                 $constraints[$name] = [
 | |
|                     'tableName' => $row['TABLE_REF'],
 | |
|                     'columns' => [],
 | |
|                 ];
 | |
|             }
 | |
|             $constraints[$name]['columns'][$row['COLUMN_NAME']] = $row['COLUMN_REF'];
 | |
|         }
 | |
| 
 | |
|         foreach ($constraints as $constraint) {
 | |
|             $name = current(array_keys($constraint));
 | |
| 
 | |
|             $table->foreignKeys[$name] = array_merge([$constraint['tableName']], $constraint['columns']);
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Returns all unique indexes for the given table.
 | |
|      * Each array element is of the following structure:.
 | |
|      *
 | |
|      * ```
 | |
|      * [
 | |
|      *     'IndexName1' => ['col1' [, ...]],
 | |
|      *     'IndexName2' => ['col2' [, ...]],
 | |
|      * ]
 | |
|      * ```
 | |
|      *
 | |
|      * @param TableSchema $table the table metadata
 | |
|      * @return array all unique indexes for the given table.
 | |
|      * @since 2.0.4
 | |
|      */
 | |
|     public function findUniqueIndexes($table)
 | |
|     {
 | |
|         $query = <<<'SQL'
 | |
| SELECT
 | |
|     DIC.INDEX_NAME,
 | |
|     DIC.COLUMN_NAME
 | |
| FROM ALL_INDEXES DI
 | |
|     INNER JOIN ALL_IND_COLUMNS DIC ON DI.TABLE_NAME = DIC.TABLE_NAME AND DI.INDEX_NAME = DIC.INDEX_NAME
 | |
| WHERE
 | |
|     DI.UNIQUENESS = 'UNIQUE'
 | |
|     AND DIC.TABLE_OWNER = :schemaName
 | |
|     AND DIC.TABLE_NAME = :tableName
 | |
| ORDER BY DIC.TABLE_NAME, DIC.INDEX_NAME, DIC.COLUMN_POSITION
 | |
| SQL;
 | |
|         $result = [];
 | |
|         $command = $this->db->createCommand($query, [
 | |
|             ':tableName' => $table->name,
 | |
|             ':schemaName' => $table->schemaName,
 | |
|         ]);
 | |
|         foreach ($command->queryAll() as $row) {
 | |
|             $result[$row['INDEX_NAME']][] = $row['COLUMN_NAME'];
 | |
|         }
 | |
| 
 | |
|         return $result;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Extracts the data types for the given column.
 | |
|      * @param ColumnSchema $column
 | |
|      * @param string $dbType DB type
 | |
|      * @param string $precision total number of digits.
 | |
|      * This parameter is available since version 2.0.4.
 | |
|      * @param string $scale number of digits on the right of the decimal separator.
 | |
|      * This parameter is available since version 2.0.4.
 | |
|      * @param string $length length for character types.
 | |
|      * This parameter is available since version 2.0.4.
 | |
|      */
 | |
|     protected function extractColumnType($column, $dbType, $precision, $scale, $length)
 | |
|     {
 | |
|         $column->dbType = $dbType;
 | |
| 
 | |
|         if (strpos($dbType, 'FLOAT') !== false || strpos($dbType, 'DOUBLE') !== false) {
 | |
|             $column->type = 'double';
 | |
|         } elseif (strpos($dbType, 'NUMBER') !== false) {
 | |
|             if ($scale === null || $scale > 0) {
 | |
|                 $column->type = 'decimal';
 | |
|             } else {
 | |
|                 $column->type = 'integer';
 | |
|             }
 | |
|         } elseif (strpos($dbType, 'INTEGER') !== false) {
 | |
|             $column->type = 'integer';
 | |
|         } elseif (strpos($dbType, 'BLOB') !== false) {
 | |
|             $column->type = 'binary';
 | |
|         } elseif (strpos($dbType, 'CLOB') !== false) {
 | |
|             $column->type = 'text';
 | |
|         } elseif (strpos($dbType, 'TIMESTAMP') !== false) {
 | |
|             $column->type = 'timestamp';
 | |
|         } else {
 | |
|             $column->type = 'string';
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Extracts size, precision and scale information from column's DB type.
 | |
|      * @param ColumnSchema $column
 | |
|      * @param string $dbType the column's DB type
 | |
|      * @param string $precision total number of digits.
 | |
|      * This parameter is available since version 2.0.4.
 | |
|      * @param string $scale number of digits on the right of the decimal separator.
 | |
|      * This parameter is available since version 2.0.4.
 | |
|      * @param string $length length for character types.
 | |
|      * This parameter is available since version 2.0.4.
 | |
|      */
 | |
|     protected function extractColumnSize($column, $dbType, $precision, $scale, $length)
 | |
|     {
 | |
|         $column->size = trim((string) $length) === '' ? null : (int) $length;
 | |
|         $column->precision = trim((string) $precision) === '' ? null : (int) $precision;
 | |
|         $column->scale = trim((string) $scale) === '' ? null : (int) $scale;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * {@inheritdoc}
 | |
|      */
 | |
|     public function insert($table, $columns)
 | |
|     {
 | |
|         $params = [];
 | |
|         $returnParams = [];
 | |
|         $sql = $this->db->getQueryBuilder()->insert($table, $columns, $params);
 | |
|         $tableSchema = $this->getTableSchema($table);
 | |
|         $returnColumns = $tableSchema->primaryKey;
 | |
|         if (!empty($returnColumns)) {
 | |
|             $columnSchemas = $tableSchema->columns;
 | |
|             $returning = [];
 | |
|             foreach ((array) $returnColumns as $name) {
 | |
|                 $phName = QueryBuilder::PARAM_PREFIX . (count($params) + count($returnParams));
 | |
|                 $returnParams[$phName] = [
 | |
|                     'column' => $name,
 | |
|                     'value' => '',
 | |
|                 ];
 | |
|                 if (!isset($columnSchemas[$name]) || $columnSchemas[$name]->phpType !== 'integer') {
 | |
|                     $returnParams[$phName]['dataType'] = \PDO::PARAM_STR;
 | |
|                 } else {
 | |
|                     $returnParams[$phName]['dataType'] = \PDO::PARAM_INT;
 | |
|                 }
 | |
|                 $returnParams[$phName]['size'] = isset($columnSchemas[$name]->size) ? $columnSchemas[$name]->size : -1;
 | |
|                 $returning[] = $this->quoteColumnName($name);
 | |
|             }
 | |
|             $sql .= ' RETURNING ' . implode(', ', $returning) . ' INTO ' . implode(', ', array_keys($returnParams));
 | |
|         }
 | |
| 
 | |
|         $command = $this->db->createCommand($sql, $params);
 | |
|         $command->prepare(false);
 | |
| 
 | |
|         foreach ($returnParams as $name => &$value) {
 | |
|             $command->pdoStatement->bindParam($name, $value['value'], $value['dataType'], $value['size']);
 | |
|         }
 | |
| 
 | |
|         if (!$command->execute()) {
 | |
|             return false;
 | |
|         }
 | |
| 
 | |
|         $result = [];
 | |
|         foreach ($returnParams as $value) {
 | |
|             $result[$value['column']] = $value['value'];
 | |
|         }
 | |
| 
 | |
|         return $result;
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Loads multiple types of constraints and returns the specified ones.
 | |
|      * @param string $tableName table name.
 | |
|      * @param string $returnType return type:
 | |
|      * - primaryKey
 | |
|      * - foreignKeys
 | |
|      * - uniques
 | |
|      * - checks
 | |
|      * @return mixed constraints.
 | |
|      */
 | |
|     private function loadTableConstraints($tableName, $returnType)
 | |
|     {
 | |
|         static $sql = <<<'SQL'
 | |
| SELECT
 | |
|     /*+ PUSH_PRED("uc") PUSH_PRED("uccol") PUSH_PRED("fuc") */
 | |
|     "uc"."CONSTRAINT_NAME" AS "name",
 | |
|     "uccol"."COLUMN_NAME" AS "column_name",
 | |
|     "uc"."CONSTRAINT_TYPE" AS "type",
 | |
|     "fuc"."OWNER" AS "foreign_table_schema",
 | |
|     "fuc"."TABLE_NAME" AS "foreign_table_name",
 | |
|     "fuccol"."COLUMN_NAME" AS "foreign_column_name",
 | |
|     "uc"."DELETE_RULE" AS "on_delete",
 | |
|     "uc"."SEARCH_CONDITION" AS "check_expr"
 | |
| FROM "USER_CONSTRAINTS" "uc"
 | |
| INNER JOIN "USER_CONS_COLUMNS" "uccol"
 | |
|     ON "uccol"."OWNER" = "uc"."OWNER" AND "uccol"."CONSTRAINT_NAME" = "uc"."CONSTRAINT_NAME"
 | |
| LEFT JOIN "USER_CONSTRAINTS" "fuc"
 | |
|     ON "fuc"."OWNER" = "uc"."R_OWNER" AND "fuc"."CONSTRAINT_NAME" = "uc"."R_CONSTRAINT_NAME"
 | |
| LEFT JOIN "USER_CONS_COLUMNS" "fuccol"
 | |
|     ON "fuccol"."OWNER" = "fuc"."OWNER" AND "fuccol"."CONSTRAINT_NAME" = "fuc"."CONSTRAINT_NAME" AND "fuccol"."POSITION" = "uccol"."POSITION"
 | |
| WHERE "uc"."OWNER" = :schemaName AND "uc"."TABLE_NAME" = :tableName
 | |
| ORDER BY "uccol"."POSITION" ASC
 | |
| SQL;
 | |
| 
 | |
|         $resolvedName = $this->resolveTableName($tableName);
 | |
|         $constraints = $this->db->createCommand($sql, [
 | |
|             ':schemaName' => $resolvedName->schemaName,
 | |
|             ':tableName' => $resolvedName->name,
 | |
|         ])->queryAll();
 | |
|         $constraints = $this->normalizePdoRowKeyCase($constraints, true);
 | |
|         $constraints = ArrayHelper::index($constraints, null, ['type', 'name']);
 | |
|         $result = [
 | |
|             'primaryKey' => null,
 | |
|             'foreignKeys' => [],
 | |
|             'uniques' => [],
 | |
|             'checks' => [],
 | |
|         ];
 | |
|         foreach ($constraints as $type => $names) {
 | |
|             foreach ($names as $name => $constraint) {
 | |
|                 switch ($type) {
 | |
|                     case 'P':
 | |
|                         $result['primaryKey'] = new Constraint([
 | |
|                             'name' => $name,
 | |
|                             'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
 | |
|                         ]);
 | |
|                         break;
 | |
|                     case 'R':
 | |
|                         $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' => null,
 | |
|                         ]);
 | |
|                         break;
 | |
|                     case 'U':
 | |
|                         $result['uniques'][] = new Constraint([
 | |
|                             'name' => $name,
 | |
|                             'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
 | |
|                         ]);
 | |
|                         break;
 | |
|                     case 'C':
 | |
|                         $result['checks'][] = new CheckConstraint([
 | |
|                             'name' => $name,
 | |
|                             'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
 | |
|                             'expression' => $constraint[0]['check_expr'],
 | |
|                         ]);
 | |
|                         break;
 | |
|                 }
 | |
|             }
 | |
|         }
 | |
|         foreach ($result as $type => $data) {
 | |
|             $this->setTableMetadata($tableName, $type, $data);
 | |
|         }
 | |
| 
 | |
|         return $result[$returnType];
 | |
|     }
 | |
| }
 | 
