Schema::getLastInsertID() - Code Metrics - Inspection of "Merge branch 'master' into fix-numbervalidator-com..." - yiisoft/yii2 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — fix-numbervalidator-comma-deci... ( 08054b...a7f0a3 )

by Alexander

created 2016-12-17 13:39 UTC

Schema::getLastInsertID() A

↳ Parent: Schema

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	12
rs	9.4285
c	0
b	0
f	0
ccs	0
cts	11
cp	0
cc	2
eloc	7
nc	2
nop	1
crap	6

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

namespace yii\db\oci;

use yii\base\InvalidCallException;
use yii\db\ColumnSchema;
use yii\db\Connection;
use yii\db\Expression;
use yii\db\TableSchema;

/**
 * Schema is the class for retrieving metadata from an Oracle database
 *
 * @property string $lastInsertID The row ID of the last row inserted, or the last value retrieved from the
 * sequence object. This property is read-only.
 *
 * @author Qiang Xue <[email protected]>
 * @since 2.0
 */
class Schema extends \yii\db\Schema
{
    /**
     * @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
     */
    public function init()
    {
        parent::init();
        if ($this->defaultSchema === null) {
            $this->defaultSchema = strtoupper($this->db->username);
        }
    }

    /**
     * @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 new QueryBuilder($this->db);
    }

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

    /**
     * @inheritdoc
     */
    public function loadTableSchema($name)
    {
        $table = new TableSchema();
        $this->resolveTableNames($table, $name);

        if ($this->findColumns($table)) {
            $this->findConstraints($table);

            return $table;
        } else {
            return null;
        }
    }

    /**
     * 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, 
    A.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 http://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 (!$c->isPrimaryKey) {
            if (stripos($column['DATA_DEFAULT'], 'timestamp') !== false) {
                $c->defaultValue = null;
            } else {
                $defaultValue = $column['DATA_DEFAULT'];
                if ($c->type === 'timestamp' && $defaultValue === 'CURRENT_TIMESTAMP') {
                    $c->defaultValue = new Expression('CURRENT_TIMESTAMP');
                } else {
                    if ($defaultValue !== null) {
                        if (($len = strlen($defaultValue)) > 2 && $defaultValue[0] === "'"
                            && $defaultValue[$len - 1] === "'"
                        ) {
                            $defaultValue = substr($column['DATA_DEFAULT'], 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) {
            $table->foreignKeys[] = array_merge([$constraint['tableName']], $constraint['columns']);
        }
    }

    /**
     * @inheritdoc
     */
    protected function findSchemaNames()
    {
        $sql = <<<SQL
SELECT
    USERNAME
FROM DBA_USERS U
WHERE 
    EXISTS (SELECT 1 FROM DBA_OBJECTS O WHERE O.OWNER = U.USERNAME)
    AND DEFAULT_TABLESPACE NOT IN ('SYSTEM','SYSAUX')
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;
    }

    /**
     * Returns all unique indexes for the given table.
     * Each array element is of the following structure:
     *
     * ```php
     * [
     *     'IndexName1' => ['col1' [, ...]],
     *     'IndexName2' => ['col2' [, ...]],
     * ]
     * ```
     *
     * @param TableSchema $table the table metadata
     * @return array all unique indexes for the given table.
     * @since 2.0.4
     */
    public function findUniqueIndexes($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)

    {
        $column->size = trim($length) === '' ? null : (int)$length;
        $column->precision = trim($precision) === '' ? null : (int)$precision;
        $column->scale = trim($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' => $name,
                    'value' => null,
                ];
                if (!isset($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]) && 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;
    }
}


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\oci;
9
10			use yii\base\InvalidCallException;
11			use yii\db\ColumnSchema;
12			use yii\db\Connection;
13			use yii\db\Expression;
14			use yii\db\TableSchema;
15
16			/**
17			* Schema is the class for retrieving metadata from an Oracle database
18			*
19			* @property string $lastInsertID The row ID of the last row inserted, or the last value retrieved from the
20			* sequence object. This property is read-only.
21			*
22			* @author Qiang Xue <[email protected]>
23			* @since 2.0
24			*/
25			class Schema extends \yii\db\Schema
26			{
27			/**
28			* @var array map of DB errors and corresponding exceptions
29			* If left part is found in DB error message exception class from the right part is used.
30			*/
31			public $exceptionMap = [
32			'ORA-00001: unique constraint' => 'yii\db\IntegrityException',
33			];
34
35
36			/**
37			* @inheritdoc
38			*/
39			public function init()
40			{
41			parent::init();
42			if ($this->defaultSchema === null) {
43			$this->defaultSchema = strtoupper($this->db->username);
44			}
45			}
46
47			/**
48			* @inheritdoc
49			*/
50			public function releaseSavepoint($name)
51			{
52			// does nothing as Oracle does not support this
53			}
54
55			/**
56			* @inheritdoc
57			*/
58			public function quoteSimpleTableName($name)
59			{
60			return strpos($name, '"') !== false ? $name : '"' . $name . '"';
61			}
62
63			/**
64			* @inheritdoc
65			*/
66			public function createQueryBuilder()
67			{
68			return new QueryBuilder($this->db);
69			}
70
71			/**
72			* @inheritdoc
73			*/
74			public function createColumnSchemaBuilder($type, $length = null)
75			{
76			return new ColumnSchemaBuilder($type, $length, $this->db);
77			}
78
79			/**
80			* @inheritdoc
81			*/
82			public function loadTableSchema($name)
83			{
84			$table = new TableSchema();
85			$this->resolveTableNames($table, $name);
86
87			if ($this->findColumns($table)) {
88			$this->findConstraints($table);
89
90			return $table;
91			} else {
92			return null;
93			}
94			}
95
96			/**
97			* Resolves the table name and schema name (if any).
98			*
99			* @param TableSchema $table the table metadata object
100			* @param string $name the table name
101			*/
102			protected function resolveTableNames($table, $name)
103			{
104			$parts = explode('.', str_replace('"', '', $name));
105			if (isset($parts[1])) {
106			$table->schemaName = $parts[0];
107			$table->name = $parts[1];
108			} else {
109			$table->schemaName = $this->defaultSchema;
110			$table->name = $name;
111			}
112
113			$table->fullName = $table->schemaName !== $this->defaultSchema ? $table->schemaName . '.' . $table->name : $table->name;
114			}
115
116			/**
117			* Collects the table column metadata.
118			* @param TableSchema $table the table schema
119			* @return bool whether the table exists
120			*/
121			protected function findColumns($table)
122			{
123			$sql = <<<SQL
124			SELECT
125			A.COLUMN_NAME,
126			A.DATA_TYPE,
127			A.DATA_PRECISION,
128			A.DATA_SCALE,
129			A.DATA_LENGTH,
130			A.NULLABLE,
131			A.DATA_DEFAULT,
132			COM.COMMENTS AS COLUMN_COMMENT
133			FROM ALL_TAB_COLUMNS A
134			INNER JOIN ALL_OBJECTS B ON B.OWNER = A.OWNER AND LTRIM(B.OBJECT_NAME) = LTRIM(A.TABLE_NAME)
135			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)
136			WHERE
137			A.OWNER = :schemaName
138			AND B.OBJECT_TYPE IN ('TABLE', 'VIEW', 'MATERIALIZED VIEW')
139			AND B.OBJECT_NAME = :tableName
140			ORDER BY A.COLUMN_ID
141			SQL;
142
143			try {
144			$columns = $this->db->createCommand($sql, [
145			':tableName' => $table->name,
146			':schemaName' => $table->schemaName,
147			])->queryAll();
148			} catch (\Exception $e) {
149			return false;
150			}
151
152			if (empty($columns)) {
153			return false;
154			}
155
156			foreach ($columns as $column) {
157			if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) === \PDO::CASE_LOWER) {
158			$column = array_change_key_case($column, CASE_UPPER);
159			}
160			$c = $this->createColumn($column);
161			$table->columns[$c->name] = $c;
162			}
163			return true;
164			}
165
166			/**
167			* Sequence name of table
168			*
169			* @param string $tableName
170			* @internal param \yii\db\TableSchema $table->name the table schema
171			* @return string\|null whether the sequence exists
172			*/
173			protected function getTableSequenceName($tableName)
174			{
175
176			$sequenceNameSql = <<<SQL
177			SELECT
178			UD.REFERENCED_NAME AS SEQUENCE_NAME
179			FROM USER_DEPENDENCIES UD
180			JOIN USER_TRIGGERS UT ON (UT.TRIGGER_NAME = UD.NAME)
181			WHERE
182			UT.TABLE_NAME = :tableName
183			AND UD.TYPE = 'TRIGGER'
184			AND UD.REFERENCED_TYPE = 'SEQUENCE'
185			SQL;
186			$sequenceName = $this->db->createCommand($sequenceNameSql, [':tableName' => $tableName])->queryScalar();
187			return $sequenceName === false ? null : $sequenceName;
188			}
189
190			/**
191			* @Overrides method in class 'Schema'
192			* @see http://www.php.net/manual/en/function.PDO-lastInsertId.php -> Oracle does not support this
193			*
194			* Returns the ID of the last inserted row or sequence value.
195			* @param string $sequenceName name of the sequence object (required by some DBMS)
196			* @return string the row ID of the last row inserted, or the last value retrieved from the sequence object
197			* @throws InvalidCallException if the DB connection is not active
198			*/
199			public function getLastInsertID($sequenceName = '')
200			{
201			if ($this->db->isActive) {
202			// get the last insert id from the master connection
203			$sequenceName = $this->quoteSimpleTableName($sequenceName);
204			return $this->db->useMaster(function (Connection $db) use ($sequenceName) {
205			return $db->createCommand("SELECT {$sequenceName}.CURRVAL FROM DUAL")->queryScalar();
206			});
207			} else {
208			throw new InvalidCallException('DB Connection is not active.');
209			}
210			}
211
212			/**
213			* Creates ColumnSchema instance
214			*
215			* @param array $column
216			* @return ColumnSchema
217			*/
218			protected function createColumn($column)
219			{
220			$c = $this->createColumnSchema();
221			$c->name = $column['COLUMN_NAME'];
222			$c->allowNull = $column['NULLABLE'] === 'Y';
223			$c->comment = $column['COLUMN_COMMENT'] === null ? '' : $column['COLUMN_COMMENT'];
224			$c->isPrimaryKey = false;
225			$this->extractColumnType($c, $column['DATA_TYPE'], $column['DATA_PRECISION'], $column['DATA_SCALE'], $column['DATA_LENGTH']);
226			$this->extractColumnSize($c, $column['DATA_TYPE'], $column['DATA_PRECISION'], $column['DATA_SCALE'], $column['DATA_LENGTH']);
227
228			$c->phpType = $this->getColumnPhpType($c);
229
230			if (!$c->isPrimaryKey) {
231			if (stripos($column['DATA_DEFAULT'], 'timestamp') !== false) {
232			$c->defaultValue = null;
233			} else {
234			$defaultValue = $column['DATA_DEFAULT'];
235			if ($c->type === 'timestamp' && $defaultValue === 'CURRENT_TIMESTAMP') {
236			$c->defaultValue = new Expression('CURRENT_TIMESTAMP');
237			} else {
238			if ($defaultValue !== null) {
239			if (($len = strlen($defaultValue)) > 2 && $defaultValue[0] === "'"
240			&& $defaultValue[$len - 1] === "'"
241			) {
242			$defaultValue = substr($column['DATA_DEFAULT'], 1, -1);
243			} else {
244			$defaultValue = trim($defaultValue);
245			}
246			}
247			$c->defaultValue = $c->phpTypecast($defaultValue);
248			}
249			}
250			}
251
252			return $c;
253			}
254
255			/**
256			* Finds constraints and fills them into TableSchema object passed
257			* @param TableSchema $table
258			*/
259			protected function findConstraints($table)
260			{
261			$sql = <<<SQL
262			SELECT
263			/+ PUSH_PRED(C) PUSH_PRED(D) PUSH_PRED(E) /
264			D.CONSTRAINT_NAME,
265			D.CONSTRAINT_TYPE,
266			C.COLUMN_NAME,
267			C.POSITION,
268			D.R_CONSTRAINT_NAME,
269			E.TABLE_NAME AS TABLE_REF,
270			F.COLUMN_NAME AS COLUMN_REF,
271			C.TABLE_NAME
272			FROM ALL_CONS_COLUMNS C
273			INNER JOIN ALL_CONSTRAINTS D ON D.OWNER = C.OWNER AND D.CONSTRAINT_NAME = C.CONSTRAINT_NAME
274			LEFT JOIN ALL_CONSTRAINTS E ON E.OWNER = D.R_OWNER AND E.CONSTRAINT_NAME = D.R_CONSTRAINT_NAME
275			LEFT JOIN ALL_CONS_COLUMNS F ON F.OWNER = E.OWNER AND F.CONSTRAINT_NAME = E.CONSTRAINT_NAME AND F.POSITION = C.POSITION
276			WHERE
277			C.OWNER = :schemaName
278			AND C.TABLE_NAME = :tableName
279			ORDER BY D.CONSTRAINT_NAME, C.POSITION
280			SQL;
281			$command = $this->db->createCommand($sql, [
282			':tableName' => $table->name,
283			':schemaName' => $table->schemaName,
284			]);
285			$constraints = [];
286			foreach ($command->queryAll() as $row) {
287			if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) === \PDO::CASE_LOWER) {
288			$row = array_change_key_case($row, CASE_UPPER);
289			}
290
291			if ($row['CONSTRAINT_TYPE'] === 'P') {
292			$table->columns[$row['COLUMN_NAME']]->isPrimaryKey = true;
293			$table->primaryKey[] = $row['COLUMN_NAME'];
294			if (empty($table->sequenceName)) {
295			$table->sequenceName = $this->getTableSequenceName($table->name);
296			}
297			}
298
299			if ($row['CONSTRAINT_TYPE'] !== 'R') {
300			// this condition is not checked in SQL WHERE because of an Oracle Bug:
301			// see https://github.com/yiisoft/yii2/pull/8844
302			continue;
303			}
304
305			$name = $row['CONSTRAINT_NAME'];
306			if (!isset($constraints[$name])) {
307			$constraints[$name] = [
308			'tableName' => $row['TABLE_REF'],
309			'columns' => [],
310			];
311			}
312			$constraints[$name]['columns'][$row['COLUMN_NAME']] = $row['COLUMN_REF'];
313			}
314			foreach ($constraints as $constraint) {
315			$table->foreignKeys[] = array_merge([$constraint['tableName']], $constraint['columns']);
316			}
317			}
318
319			/**
320			* @inheritdoc
321			*/
322			protected function findSchemaNames()
323			{
324			$sql = <<<SQL
325			SELECT
326			USERNAME
327			FROM DBA_USERS U
328			WHERE
329			EXISTS (SELECT 1 FROM DBA_OBJECTS O WHERE O.OWNER = U.USERNAME)
330			AND DEFAULT_TABLESPACE NOT IN ('SYSTEM','SYSAUX')
331			SQL;
332			return $this->db->createCommand($sql)->queryColumn();
333			}
334
335			/**
336			* @inheritdoc
337			*/
338			protected function findTableNames($schema = '')
339			{
340			if ($schema === '') {
341			$sql = <<<SQL
342			SELECT
343			TABLE_NAME
344			FROM USER_TABLES
345			UNION ALL
346			SELECT
347			VIEW_NAME AS TABLE_NAME
348			FROM USER_VIEWS
349			UNION ALL
350			SELECT
351			MVIEW_NAME AS TABLE_NAME
352			FROM USER_MVIEWS
353			ORDER BY TABLE_NAME
354			SQL;
355			$command = $this->db->createCommand($sql);
356			} else {
357			$sql = <<<SQL
358			SELECT
359			OBJECT_NAME AS TABLE_NAME
360			FROM ALL_OBJECTS
361			WHERE
362			OBJECT_TYPE IN ('TABLE', 'VIEW', 'MATERIALIZED VIEW')
363			AND OWNER = :schema
364			ORDER BY OBJECT_NAME
365			SQL;
366			$command = $this->db->createCommand($sql, [':schema' => $schema]);
367			}
368
369			$rows = $command->queryAll();
370			$names = [];
371			foreach ($rows as $row) {
372			if ($this->db->slavePdo->getAttribute(\PDO::ATTR_CASE) === \PDO::CASE_LOWER) {
373			$row = array_change_key_case($row, CASE_UPPER);
374			}
375			$names[] = $row['TABLE_NAME'];
376			}
377			return $names;
378			}
379
380			/**
381			* Returns all unique indexes for the given table.
382			* Each array element is of the following structure:
383			*
384			* ```php
385			* [
386			* 'IndexName1' => ['col1' [, ...]],
387			* 'IndexName2' => ['col2' [, ...]],
388			* ]
389			* ```
390			*
391			* @param TableSchema $table the table metadata
392			* @return array all unique indexes for the given table.
393			* @since 2.0.4
394			*/
395			public function findUniqueIndexes($table)
396			{
397			$query = <<<SQL
398			SELECT
399			DIC.INDEX_NAME,
400			DIC.COLUMN_NAME
401			FROM ALL_INDEXES DI
402			INNER JOIN ALL_IND_COLUMNS DIC ON DI.TABLE_NAME = DIC.TABLE_NAME AND DI.INDEX_NAME = DIC.INDEX_NAME
403			WHERE
404			DI.UNIQUENESS = 'UNIQUE'
405			AND DIC.TABLE_OWNER = :schemaName
406			AND DIC.TABLE_NAME = :tableName
407			ORDER BY DIC.TABLE_NAME, DIC.INDEX_NAME, DIC.COLUMN_POSITION
408			SQL;
409			$result = [];
410			$command = $this->db->createCommand($query, [
411			':tableName' => $table->name,
412			':schemaName' => $table->schemaName,
413			]);
414			foreach ($command->queryAll() as $row) {
415			$result[$row['INDEX_NAME']][] = $row['COLUMN_NAME'];
416			}
417			return $result;
418			}
419
420			/**
421			* Extracts the data types for the given column
422			* @param ColumnSchema $column
423			* @param string $dbType DB type
424			* @param string $precision total number of digits.
425			* This parameter is available since version 2.0.4.
426			* @param string $scale number of digits on the right of the decimal separator.
427			* This parameter is available since version 2.0.4.
428			* @param string $length length for character types.
429			* This parameter is available since version 2.0.4.
430			*/
431			protected function extractColumnType($column, $dbType, $precision, $scale, $length)
			0 ignored issues – show Unused Code introduced 2015-11-20 21:52 UTC by Report Bug Copy Issue Report The parameter `$precision` 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... Unused Code introduced 2015-11-20 21:52 UTC by Report Bug Copy Issue Report The parameter `$length` 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...
432			{
433			$column->dbType = $dbType;
434
435			if (strpos($dbType, 'FLOAT') !== false \|\| strpos($dbType, 'DOUBLE') !== false) {
436			$column->type = 'double';
437			} elseif (strpos($dbType, 'NUMBER') !== false) {
438			if ($scale === null \|\| $scale > 0) {
439			$column->type = 'decimal';
440			} else {
441			$column->type = 'integer';
442			}
443			} elseif (strpos($dbType, 'INTEGER') !== false) {
444			$column->type = 'integer';
445			} elseif (strpos($dbType, 'BLOB') !== false) {
446			$column->type = 'binary';
447			} elseif (strpos($dbType, 'CLOB') !== false) {
448			$column->type = 'text';
449			} elseif (strpos($dbType, 'TIMESTAMP') !== false) {
450			$column->type = 'timestamp';
451			} else {
452			$column->type = 'string';
453			}
454			}
455
456			/**
457			* Extracts size, precision and scale information from column's DB type.
458			* @param ColumnSchema $column
459			* @param string $dbType the column's DB type
460			* @param string $precision total number of digits.
461			* This parameter is available since version 2.0.4.
462			* @param string $scale number of digits on the right of the decimal separator.
463			* This parameter is available since version 2.0.4.
464			* @param string $length length for character types.
465			* This parameter is available since version 2.0.4.
466			*/
467			protected function extractColumnSize($column, $dbType, $precision, $scale, $length)
			0 ignored issues – show Unused Code introduced 2015-11-20 21:52 UTC by Report Bug Copy Issue Report The parameter `$dbType` 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...
468			{
469			$column->size = trim($length) === '' ? null : (int)$length;
470			$column->precision = trim($precision) === '' ? null : (int)$precision;
471			$column->scale = trim($scale) === '' ? null : (int)$scale;
472			}
473
474			/**
475			* @inheritdoc
476			*/
477			public function insert($table, $columns)
478			{
479			$params = [];
480			$returnParams = [];
481			$sql = $this->db->getQueryBuilder()->insert($table, $columns, $params);
482			$tableSchema = $this->getTableSchema($table);
483			$returnColumns = $tableSchema->primaryKey;
484			if (!empty($returnColumns)) {
485			$columnSchemas = $tableSchema->columns;
486			$returning = [];
487			foreach ((array)$returnColumns as $name) {
488			$phName = QueryBuilder::PARAM_PREFIX . (count($params) + count($returnParams));
489			$returnParams[$phName] = [
490			'column' => $name,
491			'value' => null,
492			];
493			if (!isset($columnSchemas[$name]) \|\| $columnSchemas[$name]->phpType !== 'integer') {
494			$returnParams[$phName]['dataType'] = \PDO::PARAM_STR;
495			} else {
496			$returnParams[$phName]['dataType'] = \PDO::PARAM_INT;
497			}
498			$returnParams[$phName]['size'] = isset($columnSchemas[$name]) && isset($columnSchemas[$name]->size) ? $columnSchemas[$name]->size : -1;
499			$returning[] = $this->quoteColumnName($name);
500			}
501			$sql .= ' RETURNING ' . implode(', ', $returning) . ' INTO ' . implode(', ', array_keys($returnParams));
502			}
503
504			$command = $this->db->createCommand($sql, $params);
505			$command->prepare(false);
506
507			foreach ($returnParams as $name => &$value) {
508			$command->pdoStatement->bindParam($name, $value['value'], $value['dataType'], $value['size']);
509			}
510
511			if (!$command->execute()) {
512			return false;
513			}
514
515			$result = [];
516			foreach ($returnParams as $value) {
517			$result[$value['column']] = $value['value'];
518			}
519
520			return $result;
521			}
522			}
523

yiisoft / yii2

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