init

vendor/yiisoft/yii2/db/mssql/PDO.php

@@ -0,0 +1,87 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\mssql;
+
+/**
+ * This is an extension of the default PDO class of MSSQL and DBLIB drivers.
+ * It provides workarounds for improperly implemented functionalities of the MSSQL and DBLIB drivers.
+ *
+ * @author Timur Ruziev <resurtm@gmail.com>
+ * @since 2.0
+ */
+class PDO extends \PDO
+{
+    /**
+     * Returns value of the last inserted ID.
+     * @param string|null $sequence the sequence name. Defaults to null.
+     * @return int last inserted ID value.
+     */
+    public function lastInsertId($sequence = null)
+    {
+        return $this->query('SELECT CAST(COALESCE(SCOPE_IDENTITY(), @@IDENTITY) AS bigint)')->fetchColumn();
+    }
+
+    /**
+     * Starts a transaction. It is necessary to override PDO's method as MSSQL PDO driver does not
+     * natively support transactions.
+     * @return bool the result of a transaction start.
+     */
+    public function beginTransaction()
+    {
+        $this->exec('BEGIN TRANSACTION');
+
+        return true;
+    }
+
+    /**
+     * Commits a transaction. It is necessary to override PDO's method as MSSQL PDO driver does not
+     * natively support transactions.
+     * @return bool the result of a transaction commit.
+     */
+    public function commit()
+    {
+        $this->exec('COMMIT TRANSACTION');
+
+        return true;
+    }
+
+    /**
+     * Rollbacks a transaction. It is necessary to override PDO's method as MSSQL PDO driver does not
+     * natively support transactions.
+     * @return bool the result of a transaction roll back.
+     */
+    public function rollBack()
+    {
+        $this->exec('ROLLBACK TRANSACTION');
+
+        return true;
+    }
+
+    /**
+     * Retrieve a database connection attribute.
+     *
+     * It is necessary to override PDO's method as some MSSQL PDO driver (e.g. dblib) does not
+     * support getting attributes.
+     * @param int $attribute One of the PDO::ATTR_* constants.
+     * @return mixed A successful call returns the value of the requested PDO attribute.
+     * An unsuccessful call returns null.
+     */
+    public function getAttribute($attribute)
+    {
+        try {
+            return parent::getAttribute($attribute);
+        } catch (\PDOException $e) {
+            switch ($attribute) {
+                case self::ATTR_SERVER_VERSION:
+                    return $this->query("SELECT CAST(SERVERPROPERTY('productversion') AS VARCHAR)")->fetchColumn();
+                default:
+                    throw $e;
+            }
+        }
+    }
+}

vendor/yiisoft/yii2/db/mssql/QueryBuilder.php

@@ -0,0 +1,420 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\mssql;
+
+use yii\base\InvalidArgumentException;
+use yii\db\Constraint;
+use yii\db\Expression;
+
+/**
+ * QueryBuilder is the query builder for MS SQL Server databases (version 2008 and above).
+ *
+ * @author Timur Ruziev <resurtm@gmail.com>
+ * @since 2.0
+ */
+class QueryBuilder extends \yii\db\QueryBuilder
+{
+    /**
+     * @var array mapping from abstract column types (keys) to physical column types (values).
+     */
+    public $typeMap = [
+        Schema::TYPE_PK => 'int IDENTITY PRIMARY KEY',
+        Schema::TYPE_UPK => 'int IDENTITY PRIMARY KEY',
+        Schema::TYPE_BIGPK => 'bigint IDENTITY PRIMARY KEY',
+        Schema::TYPE_UBIGPK => 'bigint IDENTITY PRIMARY KEY',
+        Schema::TYPE_CHAR => 'nchar(1)',
+        Schema::TYPE_STRING => 'nvarchar(255)',
+        Schema::TYPE_TEXT => 'nvarchar(max)',
+        Schema::TYPE_TINYINT => 'tinyint',
+        Schema::TYPE_SMALLINT => 'smallint',
+        Schema::TYPE_INTEGER => 'int',
+        Schema::TYPE_BIGINT => 'bigint',
+        Schema::TYPE_FLOAT => 'float',
+        Schema::TYPE_DOUBLE => 'float',
+        Schema::TYPE_DECIMAL => 'decimal(18,0)',
+        Schema::TYPE_DATETIME => 'datetime',
+        Schema::TYPE_TIMESTAMP => 'datetime',
+        Schema::TYPE_TIME => 'time',
+        Schema::TYPE_DATE => 'date',
+        Schema::TYPE_BINARY => 'varbinary(max)',
+        Schema::TYPE_BOOLEAN => 'bit',
+        Schema::TYPE_MONEY => 'decimal(19,4)',
+    ];
+
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function defaultExpressionBuilders()
+    {
+        return array_merge(parent::defaultExpressionBuilders(), [
+            'yii\db\conditions\InCondition' => 'yii\db\mssql\conditions\InConditionBuilder',
+            'yii\db\conditions\LikeCondition' => 'yii\db\mssql\conditions\LikeConditionBuilder',
+        ]);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function buildOrderByAndLimit($sql, $orderBy, $limit, $offset)
+    {
+        if (!$this->hasOffset($offset) && !$this->hasLimit($limit)) {
+            $orderBy = $this->buildOrderBy($orderBy);
+            return $orderBy === '' ? $sql : $sql . $this->separator . $orderBy;
+        }
+
+        if (version_compare($this->db->getSchema()->getServerVersion(), '11', '<')) {
+            return $this->oldBuildOrderByAndLimit($sql, $orderBy, $limit, $offset);
+        }
+
+        return $this->newBuildOrderByAndLimit($sql, $orderBy, $limit, $offset);
+    }
+
+    /**
+     * Builds the ORDER BY/LIMIT/OFFSET clauses for SQL SERVER 2012 or newer.
+     * @param string $sql the existing SQL (without ORDER BY/LIMIT/OFFSET)
+     * @param array $orderBy the order by columns. See [[\yii\db\Query::orderBy]] for more details on how to specify this parameter.
+     * @param int $limit the limit number. See [[\yii\db\Query::limit]] for more details.
+     * @param int $offset the offset number. See [[\yii\db\Query::offset]] for more details.
+     * @return string the SQL completed with ORDER BY/LIMIT/OFFSET (if any)
+     */
+    protected function newBuildOrderByAndLimit($sql, $orderBy, $limit, $offset)
+    {
+        $orderBy = $this->buildOrderBy($orderBy);
+        if ($orderBy === '') {
+            // ORDER BY clause is required when FETCH and OFFSET are in the SQL
+            $orderBy = 'ORDER BY (SELECT NULL)';
+        }
+        $sql .= $this->separator . $orderBy;
+
+        // http://technet.microsoft.com/en-us/library/gg699618.aspx
+        $offset = $this->hasOffset($offset) ? $offset : '0';
+        $sql .= $this->separator . "OFFSET $offset ROWS";
+        if ($this->hasLimit($limit)) {
+            $sql .= $this->separator . "FETCH NEXT $limit ROWS ONLY";
+        }
+
+        return $sql;
+    }
+
+    /**
+     * Builds the ORDER BY/LIMIT/OFFSET clauses for SQL SERVER 2005 to 2008.
+     * @param string $sql the existing SQL (without ORDER BY/LIMIT/OFFSET)
+     * @param array $orderBy the order by columns. See [[\yii\db\Query::orderBy]] for more details on how to specify this parameter.
+     * @param int $limit the limit number. See [[\yii\db\Query::limit]] for more details.
+     * @param int $offset the offset number. See [[\yii\db\Query::offset]] for more details.
+     * @return string the SQL completed with ORDER BY/LIMIT/OFFSET (if any)
+     */
+    protected function oldBuildOrderByAndLimit($sql, $orderBy, $limit, $offset)
+    {
+        $orderBy = $this->buildOrderBy($orderBy);
+        if ($orderBy === '') {
+            // ROW_NUMBER() requires an ORDER BY clause
+            $orderBy = 'ORDER BY (SELECT NULL)';
+        }
+
+        $sql = preg_replace('/^([\s(])*SELECT(\s+DISTINCT)?(?!\s*TOP\s*\()/i', "\\1SELECT\\2 rowNum = ROW_NUMBER() over ($orderBy),", $sql);
+
+        if ($this->hasLimit($limit)) {
+            $sql = "SELECT TOP $limit * FROM ($sql) sub";
+        } else {
+            $sql = "SELECT * FROM ($sql) sub";
+        }
+        if ($this->hasOffset($offset)) {
+            $sql .= $this->separator . "WHERE rowNum > $offset";
+        }
+
+        return $sql;
+    }
+
+    /**
+     * Builds a SQL statement for renaming a DB table.
+     * @param string $oldName the table to be renamed. The name will be properly quoted by the method.
+     * @param string $newName the new table name. The name will be properly quoted by the method.
+     * @return string the SQL statement for renaming a DB table.
+     */
+    public function renameTable($oldName, $newName)
+    {
+        return 'sp_rename ' . $this->db->quoteTableName($oldName) . ', ' . $this->db->quoteTableName($newName);
+    }
+
+    /**
+     * Builds a SQL statement for renaming a column.
+     * @param string $table the table whose column is to be renamed. The name will be properly quoted by the method.
+     * @param string $oldName the old name of the column. The name will be properly quoted by the method.
+     * @param string $newName the new name of the column. The name will be properly quoted by the method.
+     * @return string the SQL statement for renaming a DB column.
+     */
+    public function renameColumn($table, $oldName, $newName)
+    {
+        $table = $this->db->quoteTableName($table);
+        $oldName = $this->db->quoteColumnName($oldName);
+        $newName = $this->db->quoteColumnName($newName);
+        return "sp_rename '{$table}.{$oldName}', {$newName}, 'COLUMN'";
+    }
+
+    /**
+     * Builds a SQL statement for changing the definition of a column.
+     * @param string $table the table whose column is to be changed. The table name will be properly quoted by the method.
+     * @param string $column the name of the column to be changed. The name will be properly quoted by the method.
+     * @param string $type the new column type. The [[getColumnType]] method will be invoked to convert abstract column type (if any)
+     * into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
+     * For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
+     * @return string the SQL statement for changing the definition of a column.
+     */
+    public function alterColumn($table, $column, $type)
+    {
+        $type = $this->getColumnType($type);
+        $sql = 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ALTER COLUMN '
+            . $this->db->quoteColumnName($column) . ' '
+            . $this->getColumnType($type);
+
+        return $sql;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function addDefaultValue($name, $table, $column, $value)
+    {
+        return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ADD CONSTRAINT '
+            . $this->db->quoteColumnName($name) . ' DEFAULT ' . $this->db->quoteValue($value) . ' FOR '
+            . $this->db->quoteColumnName($column);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function dropDefaultValue($name, $table)
+    {
+        return 'ALTER TABLE ' . $this->db->quoteTableName($table)
+            . ' DROP CONSTRAINT ' . $this->db->quoteColumnName($name);
+    }
+
+    /**
+     * Creates a SQL statement for resetting the sequence value of a table's primary key.
+     * The sequence will be reset such that the primary key of the next new row inserted
+     * will have the specified value or 1.
+     * @param string $tableName the name of the table whose primary key sequence will be reset
+     * @param mixed $value the value for the primary key of the next new row inserted. If this is not set,
+     * the next new row's primary key will have a value 1.
+     * @return string the SQL statement for resetting sequence
+     * @throws InvalidArgumentException if the table does not exist or there is no sequence associated with the table.
+     */
+    public function resetSequence($tableName, $value = null)
+    {
+        $table = $this->db->getTableSchema($tableName);
+        if ($table !== null && $table->sequenceName !== null) {
+            $tableName = $this->db->quoteTableName($tableName);
+            if ($value === null) {
+                $key = $this->db->quoteColumnName(reset($table->primaryKey));
+                $value = "(SELECT COALESCE(MAX({$key}),0) FROM {$tableName})+1";
+            } else {
+                $value = (int) $value;
+            }
+
+            return "DBCC CHECKIDENT ('{$tableName}', RESEED, {$value})";
+        } elseif ($table === null) {
+            throw new InvalidArgumentException("Table not found: $tableName");
+        }
+
+        throw new InvalidArgumentException("There is not sequence associated with table '$tableName'.");
+    }
+
+    /**
+     * Builds a SQL statement for enabling or disabling integrity check.
+     * @param bool $check whether to turn on or off the integrity check.
+     * @param string $schema the schema of the tables.
+     * @param string $table the table name.
+     * @return string the SQL statement for checking integrity
+     */
+    public function checkIntegrity($check = true, $schema = '', $table = '')
+    {
+        $enable = $check ? 'CHECK' : 'NOCHECK';
+        $schema = $schema ?: $this->db->getSchema()->defaultSchema;
+        $tableNames = $this->db->getTableSchema($table) ? [$table] : $this->db->getSchema()->getTableNames($schema);
+        $viewNames = $this->db->getSchema()->getViewNames($schema);
+        $tableNames = array_diff($tableNames, $viewNames);
+        $command = '';
+
+        foreach ($tableNames as $tableName) {
+            $tableName = $this->db->quoteTableName("{$schema}.{$tableName}");
+            $command .= "ALTER TABLE $tableName $enable CONSTRAINT ALL; ";
+        }
+
+        return $command;
+    }
+
+    /**
+     * {@inheritdoc}
+     * @since 2.0.8
+     */
+    public function addCommentOnColumn($table, $column, $comment)
+    {
+        return "sp_updateextendedproperty @name = N'MS_Description', @value = {$this->db->quoteValue($comment)}, @level1type = N'Table',  @level1name = {$this->db->quoteTableName($table)}, @level2type = N'Column', @level2name = {$this->db->quoteColumnName($column)}";
+    }
+
+    /**
+     * {@inheritdoc}
+     * @since 2.0.8
+     */
+    public function addCommentOnTable($table, $comment)
+    {
+        return "sp_updateextendedproperty @name = N'MS_Description', @value = {$this->db->quoteValue($comment)}, @level1type = N'Table',  @level1name = {$this->db->quoteTableName($table)}";
+    }
+
+    /**
+     * {@inheritdoc}
+     * @since 2.0.8
+     */
+    public function dropCommentFromColumn($table, $column)
+    {
+        return "sp_dropextendedproperty @name = N'MS_Description', @level1type = N'Table',  @level1name = {$this->db->quoteTableName($table)}, @level2type = N'Column', @level2name = {$this->db->quoteColumnName($column)}";
+    }
+
+    /**
+     * {@inheritdoc}
+     * @since 2.0.8
+     */
+    public function dropCommentFromTable($table)
+    {
+        return "sp_dropextendedproperty @name = N'MS_Description', @level1type = N'Table',  @level1name = {$this->db->quoteTableName($table)}";
+    }
+
+    /**
+     * Returns an array of column names given model name.
+     *
+     * @param string $modelClass name of the model class
+     * @return array|null array of column names
+     */
+    protected function getAllColumnNames($modelClass = null)
+    {
+        if (!$modelClass) {
+            return null;
+        }
+        /* @var $modelClass \yii\db\ActiveRecord */
+        $schema = $modelClass::getTableSchema();
+        return array_keys($schema->columns);
+    }
+
+    /**
+     * @return bool whether the version of the MSSQL being used is older than 2012.
+     * @throws \yii\base\InvalidConfigException
+     * @throws \yii\db\Exception
+     * @deprecated 2.0.14 Use [[Schema::getServerVersion]] with [[\version_compare()]].
+     */
+    protected function isOldMssql()
+    {
+        return version_compare($this->db->getSchema()->getServerVersion(), '11', '<');
+    }
+
+    /**
+     * {@inheritdoc}
+     * @since 2.0.8
+     */
+    public function selectExists($rawSql)
+    {
+        return 'SELECT CASE WHEN EXISTS(' . $rawSql . ') THEN 1 ELSE 0 END';
+    }
+
+    /**
+     * Normalizes data to be saved into the table, performing extra preparations and type converting, if necessary.
+     * @param string $table the table that data will be saved into.
+     * @param array $columns the column data (name => value) to be saved into the table.
+     * @return array normalized columns
+     */
+    private function normalizeTableRowData($table, $columns, &$params)
+    {
+        if (($tableSchema = $this->db->getSchema()->getTableSchema($table)) !== null) {
+            $columnSchemas = $tableSchema->columns;
+            foreach ($columns as $name => $value) {
+                // @see https://github.com/yiisoft/yii2/issues/12599
+                if (isset($columnSchemas[$name]) && $columnSchemas[$name]->type === Schema::TYPE_BINARY && $columnSchemas[$name]->dbType === 'varbinary' && is_string($value)) {
+                    $exParams = [];
+                    $phName = $this->bindParam($value, $exParams);
+                    $columns[$name] = new Expression("CONVERT(VARBINARY, $phName)", $exParams);
+                }
+            }
+        }
+
+        return $columns;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function insert($table, $columns, &$params)
+    {
+        return parent::insert($table, $this->normalizeTableRowData($table, $columns, $params), $params);
+    }
+
+    /**
+     * {@inheritdoc}
+     * @see https://docs.microsoft.com/en-us/sql/t-sql/statements/merge-transact-sql
+     * @see http://weblogs.sqlteam.com/dang/archive/2009/01/31/UPSERT-Race-Condition-With-MERGE.aspx
+     */
+    public function upsert($table, $insertColumns, $updateColumns, &$params)
+    {
+        /** @var Constraint[] $constraints */
+        list($uniqueNames, $insertNames, $updateNames) = $this->prepareUpsertColumns($table, $insertColumns, $updateColumns, $constraints);
+        if (empty($uniqueNames)) {
+            return $this->insert($table, $insertColumns, $params);
+        }
+
+        $onCondition = ['or'];
+        $quotedTableName = $this->db->quoteTableName($table);
+        foreach ($constraints as $constraint) {
+            $constraintCondition = ['and'];
+            foreach ($constraint->columnNames as $name) {
+                $quotedName = $this->db->quoteColumnName($name);
+                $constraintCondition[] = "$quotedTableName.$quotedName=[EXCLUDED].$quotedName";
+            }
+            $onCondition[] = $constraintCondition;
+        }
+        $on = $this->buildCondition($onCondition, $params);
+        list(, $placeholders, $values, $params) = $this->prepareInsertValues($table, $insertColumns, $params);
+        $mergeSql = 'MERGE ' . $this->db->quoteTableName($table) . ' WITH (HOLDLOCK) '
+            . 'USING (' . (!empty($placeholders) ? 'VALUES (' . implode(', ', $placeholders) . ')' : ltrim($values, ' ')) . ') AS [EXCLUDED] (' . implode(', ', $insertNames) . ') '
+            . "ON ($on)";
+        $insertValues = [];
+        foreach ($insertNames as $name) {
+            $quotedName = $this->db->quoteColumnName($name);
+            if (strrpos($quotedName, '.') === false) {
+                $quotedName = '[EXCLUDED].' . $quotedName;
+            }
+            $insertValues[] = $quotedName;
+        }
+        $insertSql = 'INSERT (' . implode(', ', $insertNames) . ')'
+            . ' VALUES (' . implode(', ', $insertValues) . ')';
+        if ($updateColumns === false) {
+            return "$mergeSql WHEN NOT MATCHED THEN $insertSql;";
+        }
+
+        if ($updateColumns === true) {
+            $updateColumns = [];
+            foreach ($updateNames as $name) {
+                $quotedName = $this->db->quoteColumnName($name);
+                if (strrpos($quotedName, '.') === false) {
+                    $quotedName = '[EXCLUDED].' . $quotedName;
+                }
+                $updateColumns[$name] = new Expression($quotedName);
+            }
+        }
+        list($updates, $params) = $this->prepareUpdateSets($table, $updateColumns, $params);
+        $updateSql = 'UPDATE SET ' . implode(', ', $updates);
+        return "$mergeSql WHEN MATCHED THEN $updateSql WHEN NOT MATCHED THEN $insertSql;";
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function update($table, $columns, $condition, &$params)
+    {
+        return parent::update($table, $this->normalizeTableRowData($table, $columns, $params), $condition, $params);
+    }
+}

vendor/yiisoft/yii2/db/mssql/Schema.php

@@ -0,0 +1,705 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\mssql;
+
+use yii\db\CheckConstraint;
+use yii\db\ColumnSchema;
+use yii\db\Constraint;
+use yii\db\ConstraintFinderInterface;
+use yii\db\ConstraintFinderTrait;
+use yii\db\DefaultValueConstraint;
+use yii\db\ForeignKeyConstraint;
+use yii\db\IndexConstraint;
+use yii\db\ViewFinderTrait;
+use yii\helpers\ArrayHelper;
+
+/**
+ * Schema is the class for retrieving metadata from MS SQL Server databases (version 2008 and above).
+ *
+ * @author Timur Ruziev <resurtm@gmail.com>
+ * @since 2.0
+ */
+class Schema extends \yii\db\Schema implements ConstraintFinderInterface
+{
+    use ViewFinderTrait;
+    use ConstraintFinderTrait;
+
+    /**
+     * @var string the default schema used for the current session.
+     */
+    public $defaultSchema = 'dbo';
+    /**
+     * @var array mapping from physical column types (keys) to abstract column types (values)
+     */
+    public $typeMap = [
+        // exact numbers
+        'bigint' => self::TYPE_BIGINT,
+        'numeric' => self::TYPE_DECIMAL,
+        'bit' => self::TYPE_SMALLINT,
+        'smallint' => self::TYPE_SMALLINT,
+        'decimal' => self::TYPE_DECIMAL,
+        'smallmoney' => self::TYPE_MONEY,
+        'int' => self::TYPE_INTEGER,
+        'tinyint' => self::TYPE_TINYINT,
+        'money' => self::TYPE_MONEY,
+        // approximate numbers
+        'float' => self::TYPE_FLOAT,
+        'double' => self::TYPE_DOUBLE,
+        'real' => self::TYPE_FLOAT,
+        // date and time
+        'date' => self::TYPE_DATE,
+        'datetimeoffset' => self::TYPE_DATETIME,
+        'datetime2' => self::TYPE_DATETIME,
+        'smalldatetime' => self::TYPE_DATETIME,
+        'datetime' => self::TYPE_DATETIME,
+        'time' => self::TYPE_TIME,
+        // character strings
+        'char' => self::TYPE_CHAR,
+        'varchar' => self::TYPE_STRING,
+        'text' => self::TYPE_TEXT,
+        // unicode character strings
+        'nchar' => self::TYPE_CHAR,
+        'nvarchar' => self::TYPE_STRING,
+        'ntext' => self::TYPE_TEXT,
+        // binary strings
+        'binary' => self::TYPE_BINARY,
+        'varbinary' => self::TYPE_BINARY,
+        'image' => self::TYPE_BINARY,
+        // other data types
+        // 'cursor' type cannot be used with tables
+        'timestamp' => self::TYPE_TIMESTAMP,
+        'hierarchyid' => self::TYPE_STRING,
+        'uniqueidentifier' => self::TYPE_STRING,
+        'sql_variant' => self::TYPE_STRING,
+        'xml' => self::TYPE_STRING,
+        'table' => self::TYPE_STRING,
+    ];
+
+    /**
+     * {@inheritdoc}
+     */
+    protected $tableQuoteCharacter = ['[', ']'];
+    /**
+     * {@inheritdoc}
+     */
+    protected $columnQuoteCharacter = ['[', ']'];
+
+
+    /**
+     * Resolves the table name and schema name (if any).
+     * @param string $name the table name
+     * @return TableSchema resolved table, schema, etc. names.
+     */
+    protected function resolveTableName($name)
+    {
+        $resolvedName = new TableSchema();
+        $parts = explode('.', str_replace(['[', ']'], '', $name));
+        $partCount = count($parts);
+        if ($partCount === 4) {
+            // server name, catalog name, schema name and table name passed
+            $resolvedName->catalogName = $parts[1];
+            $resolvedName->schemaName = $parts[2];
+            $resolvedName->name = $parts[3];
+            $resolvedName->fullName = $resolvedName->catalogName . '.' . $resolvedName->schemaName . '.' . $resolvedName->name;
+        } elseif ($partCount === 3) {
+            // catalog name, schema name and table name passed
+            $resolvedName->catalogName = $parts[0];
+            $resolvedName->schemaName = $parts[1];
+            $resolvedName->name = $parts[2];
+            $resolvedName->fullName = $resolvedName->catalogName . '.' . $resolvedName->schemaName . '.' . $resolvedName->name;
+        } elseif ($partCount === 2) {
+            // only schema name and table name passed
+            $resolvedName->schemaName = $parts[0];
+            $resolvedName->name = $parts[1];
+            $resolvedName->fullName = ($resolvedName->schemaName !== $this->defaultSchema ? $resolvedName->schemaName . '.' : '') . $resolvedName->name;
+        } else {
+            // only table name passed
+            $resolvedName->schemaName = $this->defaultSchema;
+            $resolvedName->fullName = $resolvedName->name = $parts[0];
+        }
+
+        return $resolvedName;
+    }
+
+    /**
+     * {@inheritdoc}
+     * @see https://docs.microsoft.com/en-us/sql/relational-databases/system-catalog-views/sys-database-principals-transact-sql
+     */
+    protected function findSchemaNames()
+    {
+        static $sql = <<<'SQL'
+SELECT [s].[name]
+FROM [sys].[schemas] AS [s]
+INNER JOIN [sys].[database_principals] AS [p] ON [p].[principal_id] = [s].[principal_id]
+WHERE [p].[is_fixed_role] = 0 AND [p].[sid] IS NOT NULL
+ORDER BY [s].[name] ASC
+SQL;
+
+        return $this->db->createCommand($sql)->queryColumn();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function findTableNames($schema = '')
+    {
+        if ($schema === '') {
+            $schema = $this->defaultSchema;
+        }
+
+        $sql = <<<'SQL'
+SELECT [t].[table_name]
+FROM [INFORMATION_SCHEMA].[TABLES] AS [t]
+WHERE [t].[table_schema] = :schema AND [t].[table_type] IN ('BASE TABLE', 'VIEW')
+ORDER BY [t].[table_name]
+SQL;
+
+        return $this->db->createCommand($sql, [':schema' => $schema])->queryColumn();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function loadTableSchema($name)
+    {
+        $table = new TableSchema();
+        $this->resolveTableNames($table, $name);
+        $this->findPrimaryKeys($table);
+        if ($this->findColumns($table)) {
+            $this->findForeignKeys($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
+    [i].[name] AS [name],
+    [iccol].[name] AS [column_name],
+    [i].[is_unique] AS [index_is_unique],
+    [i].[is_primary_key] AS [index_is_primary]
+FROM [sys].[indexes] AS [i]
+INNER JOIN [sys].[index_columns] AS [ic]
+    ON [ic].[object_id] = [i].[object_id] AND [ic].[index_id] = [i].[index_id]
+INNER JOIN [sys].[columns] AS [iccol]
+    ON [iccol].[object_id] = [ic].[object_id] AND [iccol].[column_id] = [ic].[column_id]
+WHERE [i].[object_id] = OBJECT_ID(:fullName)
+ORDER BY [ic].[key_ordinal] ASC
+SQL;
+
+        $resolvedName = $this->resolveTableName($tableName);
+        $indexes = $this->db->createCommand($sql, [
+            ':fullName' => $resolvedName->fullName,
+        ])->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}
+     */
+    protected function loadTableDefaultValues($tableName)
+    {
+        return $this->loadTableConstraints($tableName, 'defaults');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function createSavepoint($name)
+    {
+        $this->db->createCommand("SAVE TRANSACTION $name")->execute();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function releaseSavepoint($name)
+    {
+        // does nothing as MSSQL does not support this
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rollBackSavepoint($name)
+    {
+        $this->db->createCommand("ROLLBACK TRANSACTION $name")->execute();
+    }
+
+    /**
+     * Creates a query builder for the MSSQL database.
+     * @return QueryBuilder query builder interface.
+     */
+    public function createQueryBuilder()
+    {
+        return new QueryBuilder($this->db);
+    }
+
+    /**
+     * Resolves the table name and schema name (if any).
+     * @param TableSchema $table the table metadata object
+     * @param string $name the table name
+     */
+    protected function resolveTableNames($table, $name)
+    {
+        $parts = explode('.', str_replace(['[', ']'], '', $name));
+        $partCount = count($parts);
+        if ($partCount === 4) {
+            // server name, catalog name, schema name and table name passed
+            $table->catalogName = $parts[1];
+            $table->schemaName = $parts[2];
+            $table->name = $parts[3];
+            $table->fullName = $table->catalogName . '.' . $table->schemaName . '.' . $table->name;
+        } elseif ($partCount === 3) {
+            // catalog name, schema name and table name passed
+            $table->catalogName = $parts[0];
+            $table->schemaName = $parts[1];
+            $table->name = $parts[2];
+            $table->fullName = $table->catalogName . '.' . $table->schemaName . '.' . $table->name;
+        } elseif ($partCount === 2) {
+            // only schema name and table name passed
+            $table->schemaName = $parts[0];
+            $table->name = $parts[1];
+            $table->fullName = $table->schemaName !== $this->defaultSchema ? $table->schemaName . '.' . $table->name : $table->name;
+        } else {
+            // only table name passed
+            $table->schemaName = $this->defaultSchema;
+            $table->fullName = $table->name = $parts[0];
+        }
+    }
+
+    /**
+     * Loads the column information into a [[ColumnSchema]] object.
+     * @param array $info column information
+     * @return ColumnSchema the column schema object
+     */
+    protected function loadColumnSchema($info)
+    {
+        $column = $this->createColumnSchema();
+
+        $column->name = $info['column_name'];
+        $column->allowNull = $info['is_nullable'] === 'YES';
+        $column->dbType = $info['data_type'];
+        $column->enumValues = []; // mssql has only vague equivalents to enum
+        $column->isPrimaryKey = null; // primary key will be determined in findColumns() method
+        $column->autoIncrement = $info['is_identity'] == 1;
+        $column->unsigned = stripos($column->dbType, 'unsigned') !== false;
+        $column->comment = $info['comment'] === null ? '' : $info['comment'];
+
+        $column->type = self::TYPE_STRING;
+        if (preg_match('/^(\w+)(?:\(([^\)]+)\))?/', $column->dbType, $matches)) {
+            $type = $matches[1];
+            if (isset($this->typeMap[$type])) {
+                $column->type = $this->typeMap[$type];
+            }
+            if (!empty($matches[2])) {
+                $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 === 'tinyint' || $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 ($info['column_default'] === '(NULL)') {
+            $info['column_default'] = null;
+        }
+        if (!$column->isPrimaryKey && ($column->type !== 'timestamp' || $info['column_default'] !== 'CURRENT_TIMESTAMP')) {
+            $column->defaultValue = $column->phpTypecast($info['column_default']);
+        }
+
+        return $column;
+    }
+
+    /**
+     * Collects the metadata of table columns.
+     * @param TableSchema $table the table metadata
+     * @return bool whether the table exists in the database
+     */
+    protected function findColumns($table)
+    {
+        $columnsTableName = 'INFORMATION_SCHEMA.COLUMNS';
+        $whereSql = "[t1].[table_name] = '{$table->name}'";
+        if ($table->catalogName !== null) {
+            $columnsTableName = "{$table->catalogName}.{$columnsTableName}";
+            $whereSql .= " AND [t1].[table_catalog] = '{$table->catalogName}'";
+        }
+        if ($table->schemaName !== null) {
+            $whereSql .= " AND [t1].[table_schema] = '{$table->schemaName}'";
+        }
+        $columnsTableName = $this->quoteTableName($columnsTableName);
+
+        $sql = <<<SQL
+SELECT
+ [t1].[column_name],
+ [t1].[is_nullable],
+ [t1].[data_type],
+ [t1].[column_default],
+ COLUMNPROPERTY(OBJECT_ID([t1].[table_schema] + '.' + [t1].[table_name]), [t1].[column_name], 'IsIdentity') AS is_identity,
+ (
+    SELECT CONVERT(VARCHAR, [t2].[value])
+		FROM [sys].[extended_properties] AS [t2]
+		WHERE
+			[t2].[class] = 1 AND
+			[t2].[class_desc] = 'OBJECT_OR_COLUMN' AND
+			[t2].[name] = 'MS_Description' AND
+			[t2].[major_id] = OBJECT_ID([t1].[TABLE_SCHEMA] + '.' + [t1].[table_name]) AND
+			[t2].[minor_id] = COLUMNPROPERTY(OBJECT_ID([t1].[TABLE_SCHEMA] + '.' + [t1].[TABLE_NAME]), [t1].[COLUMN_NAME], 'ColumnID')
+ ) as comment
+FROM {$columnsTableName} AS [t1]
+WHERE {$whereSql}
+SQL;
+
+        try {
+            $columns = $this->db->createCommand($sql)->queryAll();
+            if (empty($columns)) {
+                return false;
+            }
+        } catch (\Exception $e) {
+            return false;
+        }
+        foreach ($columns as $column) {
+            $column = $this->loadColumnSchema($column);
+            foreach ($table->primaryKey as $primaryKey) {
+                if (strcasecmp($column->name, $primaryKey) === 0) {
+                    $column->isPrimaryKey = true;
+                    break;
+                }
+            }
+            if ($column->isPrimaryKey && $column->autoIncrement) {
+                $table->sequenceName = '';
+            }
+            $table->columns[$column->name] = $column;
+        }
+
+        return true;
+    }
+
+    /**
+     * Collects the constraint details for the given table and constraint type.
+     * @param TableSchema $table
+     * @param string $type either PRIMARY KEY or UNIQUE
+     * @return array each entry contains index_name and field_name
+     * @since 2.0.4
+     */
+    protected function findTableConstraints($table, $type)
+    {
+        $keyColumnUsageTableName = 'INFORMATION_SCHEMA.KEY_COLUMN_USAGE';
+        $tableConstraintsTableName = 'INFORMATION_SCHEMA.TABLE_CONSTRAINTS';
+        if ($table->catalogName !== null) {
+            $keyColumnUsageTableName = $table->catalogName . '.' . $keyColumnUsageTableName;
+            $tableConstraintsTableName = $table->catalogName . '.' . $tableConstraintsTableName;
+        }
+        $keyColumnUsageTableName = $this->quoteTableName($keyColumnUsageTableName);
+        $tableConstraintsTableName = $this->quoteTableName($tableConstraintsTableName);
+
+        $sql = <<<SQL
+SELECT
+    [kcu].[constraint_name] AS [index_name],
+    [kcu].[column_name] AS [field_name]
+FROM {$keyColumnUsageTableName} AS [kcu]
+LEFT JOIN {$tableConstraintsTableName} AS [tc] ON
+    [kcu].[table_schema] = [tc].[table_schema] AND
+    [kcu].[table_name] = [tc].[table_name] AND
+    [kcu].[constraint_name] = [tc].[constraint_name]
+WHERE
+    [tc].[constraint_type] = :type AND
+    [kcu].[table_name] = :tableName AND
+    [kcu].[table_schema] = :schemaName
+SQL;
+
+        return $this->db
+            ->createCommand($sql, [
+                ':tableName' => $table->name,
+                ':schemaName' => $table->schemaName,
+                ':type' => $type,
+            ])
+            ->queryAll();
+    }
+
+    /**
+     * Collects the primary key column details for the given table.
+     * @param TableSchema $table the table metadata
+     */
+    protected function findPrimaryKeys($table)
+    {
+        $result = [];
+        foreach ($this->findTableConstraints($table, 'PRIMARY KEY') as $row) {
+            $result[] = $row['field_name'];
+        }
+        $table->primaryKey = $result;
+    }
+
+    /**
+     * Collects the foreign key column details for the given table.
+     * @param TableSchema $table the table metadata
+     */
+    protected function findForeignKeys($table)
+    {
+        $object = $table->name;
+        if ($table->schemaName !== null) {
+            $object = $table->schemaName . '.' . $object;
+        }
+        if ($table->catalogName !== null) {
+            $object = $table->catalogName . '.' . $object;
+        }
+
+        // please refer to the following page for more details:
+        // http://msdn2.microsoft.com/en-us/library/aa175805(SQL.80).aspx
+        $sql = <<<'SQL'
+SELECT
+	[fk].[name] AS [fk_name],
+	[cp].[name] AS [fk_column_name],
+	OBJECT_NAME([fk].[referenced_object_id]) AS [uq_table_name],
+	[cr].[name] AS [uq_column_name]
+FROM
+	[sys].[foreign_keys] AS [fk]
+	INNER JOIN [sys].[foreign_key_columns] AS [fkc] ON
+		[fk].[object_id] = [fkc].[constraint_object_id]
+	INNER JOIN [sys].[columns] AS [cp] ON
+		[fk].[parent_object_id] = [cp].[object_id] AND
+		[fkc].[parent_column_id] = [cp].[column_id]
+	INNER JOIN [sys].[columns] AS [cr] ON
+		[fk].[referenced_object_id] = [cr].[object_id] AND
+		[fkc].[referenced_column_id] = [cr].[column_id]
+WHERE
+	[fk].[parent_object_id] = OBJECT_ID(:object)
+SQL;
+
+        $rows = $this->db->createCommand($sql, [
+            ':object' => $object,
+        ])->queryAll();
+
+        $table->foreignKeys = [];
+        foreach ($rows as $row) {
+            $table->foreignKeys[$row['fk_name']] = [$row['uq_table_name'], $row['fk_column_name'] => $row['uq_column_name']];
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function findViewNames($schema = '')
+    {
+        if ($schema === '') {
+            $schema = $this->defaultSchema;
+        }
+
+        $sql = <<<'SQL'
+SELECT [t].[table_name]
+FROM [INFORMATION_SCHEMA].[TABLES] AS [t]
+WHERE [t].[table_schema] = :schema AND [t].[table_type] = 'VIEW'
+ORDER BY [t].[table_name]
+SQL;
+
+        return $this->db->createCommand($sql, [':schema' => $schema])->queryColumn();
+    }
+
+    /**
+     * 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)
+    {
+        $result = [];
+        foreach ($this->findTableConstraints($table, 'UNIQUE') as $row) {
+            $result[$row['index_name']][] = $row['field_name'];
+        }
+
+        return $result;
+    }
+
+    /**
+     * Loads multiple types of constraints and returns the specified ones.
+     * @param string $tableName table name.
+     * @param string $returnType return type:
+     * - primaryKey
+     * - foreignKeys
+     * - uniques
+     * - checks
+     * - defaults
+     * @return mixed constraints.
+     */
+    private function loadTableConstraints($tableName, $returnType)
+    {
+        static $sql = <<<'SQL'
+SELECT
+    [o].[name] AS [name],
+    COALESCE([ccol].[name], [dcol].[name], [fccol].[name], [kiccol].[name]) AS [column_name],
+    RTRIM([o].[type]) AS [type],
+    OBJECT_SCHEMA_NAME([f].[referenced_object_id]) AS [foreign_table_schema],
+    OBJECT_NAME([f].[referenced_object_id]) AS [foreign_table_name],
+    [ffccol].[name] AS [foreign_column_name],
+    [f].[update_referential_action_desc] AS [on_update],
+    [f].[delete_referential_action_desc] AS [on_delete],
+    [c].[definition] AS [check_expr],
+    [d].[definition] AS [default_expr]
+FROM (SELECT OBJECT_ID(:fullName) AS [object_id]) AS [t]
+INNER JOIN [sys].[objects] AS [o]
+    ON [o].[parent_object_id] = [t].[object_id] AND [o].[type] IN ('PK', 'UQ', 'C', 'D', 'F')
+LEFT JOIN [sys].[check_constraints] AS [c]
+    ON [c].[object_id] = [o].[object_id]
+LEFT JOIN [sys].[columns] AS [ccol]
+    ON [ccol].[object_id] = [c].[parent_object_id] AND [ccol].[column_id] = [c].[parent_column_id]
+LEFT JOIN [sys].[default_constraints] AS [d]
+    ON [d].[object_id] = [o].[object_id]
+LEFT JOIN [sys].[columns] AS [dcol]
+    ON [dcol].[object_id] = [d].[parent_object_id] AND [dcol].[column_id] = [d].[parent_column_id]
+LEFT JOIN [sys].[key_constraints] AS [k]
+    ON [k].[object_id] = [o].[object_id]
+LEFT JOIN [sys].[index_columns] AS [kic]
+    ON [kic].[object_id] = [k].[parent_object_id] AND [kic].[index_id] = [k].[unique_index_id]
+LEFT JOIN [sys].[columns] AS [kiccol]
+    ON [kiccol].[object_id] = [kic].[object_id] AND [kiccol].[column_id] = [kic].[column_id]
+LEFT JOIN [sys].[foreign_keys] AS [f]
+    ON [f].[object_id] = [o].[object_id]
+LEFT JOIN [sys].[foreign_key_columns] AS [fc]
+    ON [fc].[constraint_object_id] = [o].[object_id]
+LEFT JOIN [sys].[columns] AS [fccol]
+    ON [fccol].[object_id] = [fc].[parent_object_id] AND [fccol].[column_id] = [fc].[parent_column_id]
+LEFT JOIN [sys].[columns] AS [ffccol]
+    ON [ffccol].[object_id] = [fc].[referenced_object_id] AND [ffccol].[column_id] = [fc].[referenced_column_id]
+ORDER BY [kic].[key_ordinal] ASC, [fc].[constraint_column_id] ASC
+SQL;
+
+        $resolvedName = $this->resolveTableName($tableName);
+        $constraints = $this->db->createCommand($sql, [
+            ':fullName' => $resolvedName->fullName,
+        ])->queryAll();
+        $constraints = $this->normalizePdoRowKeyCase($constraints, true);
+        $constraints = ArrayHelper::index($constraints, null, ['type', 'name']);
+        $result = [
+            'primaryKey' => null,
+            'foreignKeys' => [],
+            'uniques' => [],
+            'checks' => [],
+            'defaults' => [],
+        ];
+        foreach ($constraints as $type => $names) {
+            foreach ($names as $name => $constraint) {
+                switch ($type) {
+                    case 'PK':
+                        $result['primaryKey'] = new Constraint([
+                            'name' => $name,
+                            'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
+                        ]);
+                        break;
+                    case 'F':
+                        $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' => str_replace('_', '', $constraint[0]['on_delete']),
+                            'onUpdate' => str_replace('_', '', $constraint[0]['on_update']),
+                        ]);
+                        break;
+                    case 'UQ':
+                        $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;
+                    case 'D':
+                        $result['defaults'][] = new DefaultValueConstraint([
+                            'name' => $name,
+                            'columnNames' => ArrayHelper::getColumn($constraint, 'column_name'),
+                            'value' => $constraint[0]['default_expr'],
+                        ]);
+                        break;
+                }
+            }
+        }
+        foreach ($result as $type => $data) {
+            $this->setTableMetadata($tableName, $type, $data);
+        }
+
+        return $result[$returnType];
+    }
+}

vendor/yiisoft/yii2/db/mssql/SqlsrvPDO.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\mssql;
+
+/**
+ * This is an extension of the default PDO class of SQLSRV driver.
+ * It provides workarounds for improperly implemented functionalities of the SQLSRV driver.
+ *
+ * @author Timur Ruziev <resurtm@gmail.com>
+ * @since 2.0
+ */
+class SqlsrvPDO extends \PDO
+{
+    /**
+     * Returns value of the last inserted ID.
+     *
+     * SQLSRV driver implements [[PDO::lastInsertId()]] method but with a single peculiarity:
+     * when `$sequence` value is a null or an empty string it returns an empty string.
+     * But when parameter is not specified it works as expected and returns actual
+     * last inserted ID (like the other PDO drivers).
+     * @param string|null $sequence the sequence name. Defaults to null.
+     * @return int last inserted ID value.
+     */
+    public function lastInsertId($sequence = null)
+    {
+        return !$sequence ? parent::lastInsertId() : parent::lastInsertId($sequence);
+    }
+}

vendor/yiisoft/yii2/db/mssql/TableSchema.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\mssql;
+
+/**
+ * TableSchema represents the metadata of a database table.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @since 2.0
+ */
+class TableSchema extends \yii\db\TableSchema
+{
+    /**
+     * @var string name of the catalog (database) that this table belongs to.
+     * Defaults to null, meaning no catalog (or the current database).
+     */
+    public $catalogName;
+}

vendor/yiisoft/yii2/db/mssql/conditions/InConditionBuilder.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\mssql\conditions;
+
+use yii\base\NotSupportedException;
+
+/**
+ * {@inheritdoc}
+ *
+ * @author Dmytro Naumenko <d.naumenko.a@gmail.com>
+ * @since 2.0.14
+ */
+class InConditionBuilder extends \yii\db\conditions\InConditionBuilder
+{
+    /**
+     * {@inheritdoc}
+     * @throws NotSupportedException if `$columns` is an array
+     */
+    protected function buildSubqueryInCondition($operator, $columns, $values, &$params)
+    {
+        if (is_array($columns)) {
+            throw new NotSupportedException(__METHOD__ . ' is not supported by MSSQL.');
+        }
+
+        return parent::buildSubqueryInCondition($operator, $columns, $values, $params);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildCompositeInCondition($operator, $columns, $values, &$params)
+    {
+        $quotedColumns = [];
+        foreach ($columns as $i => $column) {
+            $quotedColumns[$i] = strpos($column, '(') === false ? $this->queryBuilder->db->quoteColumnName($column) : $column;
+        }
+        $vss = [];
+        foreach ($values as $value) {
+            $vs = [];
+            foreach ($columns as $i => $column) {
+                if (isset($value[$column])) {
+                    $phName = $this->queryBuilder->bindParam($value[$column], $params);
+                    $vs[] = $quotedColumns[$i] . ($operator === 'IN' ? ' = ' : ' != ') . $phName;
+                } else {
+                    $vs[] = $quotedColumns[$i] . ($operator === 'IN' ? ' IS' : ' IS NOT') . ' NULL';
+                }
+            }
+            $vss[] = '(' . implode($operator === 'IN' ? ' AND ' : ' OR ', $vs) . ')';
+        }
+
+        return '(' . implode($operator === 'IN' ? ' OR ' : ' AND ', $vss) . ')';
+    }
+}

vendor/yiisoft/yii2/db/mssql/conditions/LikeConditionBuilder.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\db\mssql\conditions;
+
+/**
+ * {@inheritdoc}
+ */
+class LikeConditionBuilder extends \yii\db\conditions\LikeConditionBuilder
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected $escapingReplacements = [
+        '%' => '[%]',
+        '_' => '[_]',
+        '[' => '[[]',
+        ']' => '[]]',
+        '\\' => '[\\]',
+    ];
+}