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@ -1,19 +1,26 @@
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<?php |
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namespace yii\db\oci; |
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use yii\db\TableSchema; |
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use yii\db\oci\ColumnSchema; |
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class Schema extends \yii\db\Schema { |
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/** |
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* Schema is the class for retrieving metadata information from an Oracle database. |
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* |
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*/ |
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class Schema extends \yii\db\Schema |
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{ |
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private $_defaultSchema = ''; |
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public function createQueryBuilder() { |
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public function createQueryBuilder() |
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{ |
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return new QueryBuilder($this->db); |
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} |
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public function quoteTableName($name) { |
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public function quoteTableName($name) |
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{ |
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if (strpos($name, '.') === false) { |
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return $this->quoteSimpleTableName($name); |
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} |
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@ -24,12 +31,14 @@ class Schema extends \yii\db\Schema {
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return implode('.', $parts); |
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} |
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public function quoteSimpleTableName($name) { |
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public function quoteSimpleTableName($name) |
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{ |
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return '"' . $name . '"'; |
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// return $name; |
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} |
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public function quoteColumnName($name) { |
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public function quoteColumnName($name) |
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{ |
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if (($pos = strrpos($name, '.')) !== false) { |
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$prefix = $this->quoteTableName(substr($name, 0, $pos)) . '.'; |
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$name = substr($name, $pos + 1); |
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@ -39,12 +48,14 @@ class Schema extends \yii\db\Schema {
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return $prefix . ($name === '*' ? $name : $this->quoteSimpleColumnName($name)); |
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} |
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public function quoteSimpleColumnName($name) { |
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public function quoteSimpleColumnName($name) |
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{ |
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return '"' . $name . '"'; |
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// return $name; |
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} |
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public function loadTableSchema($name) { |
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public function loadTableSchema($name) |
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{ |
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$table = new TableSchema(); |
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$this->resolveTableNames($table, $name); |
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// $this->findPrimaryKeys($table); |
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@ -58,10 +69,13 @@ class Schema extends \yii\db\Schema {
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/** |
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* Resolves the table name and schema name (if any). |
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* |
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* @param TableSchema $table the table metadata object |
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* @param string $name the table name |
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* @param TableSchema $table |
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* the table metadata object |
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* @param string $name |
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* the table name |
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*/ |
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protected function resolveTableNames($table, $name) { |
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protected function resolveTableNames($table, $name) |
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{ |
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$parts = explode('.', str_replace('"', '', $name)); |
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if (isset($parts[1])) { |
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$table->schemaName = $parts[0]; |
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@ -79,7 +93,8 @@ class Schema extends \yii\db\Schema {
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* |
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* @return string default schema. |
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*/ |
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public function getDefaultSchema() { |
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public function getDefaultSchema() |
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{ |
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if (! strlen($this->_defaultSchema)) { |
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$this->setDefaultSchema(strtoupper($this->db->username)); |
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} |
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@ -89,13 +104,16 @@ class Schema extends \yii\db\Schema {
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/** |
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* |
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* @param string $schema default schema. |
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* @param string $schema |
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* default schema. |
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*/ |
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public function setDefaultSchema($schema) { |
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public function setDefaultSchema($schema) |
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{ |
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$this->_defaultSchema = $schema; |
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} |
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public function getLastInsertID($sequenceName = '') { |
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public function getLastInsertID($sequenceName = '') |
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{ |
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if ($this->db->isActive) { |
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$sql = "select {$sequenceName}.currval from dual"; |
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return $this->db->createCommand($sql)->queryScalar(); |
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@ -106,10 +124,10 @@ class Schema extends \yii\db\Schema {
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/** |
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* Collects the table column metadata. |
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* @param COciTableSchema $table the table metadata |
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* @return boolean whether the table exists in the database |
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* |
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*/ |
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protected function findColumns($table) { |
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protected function findColumns($table) |
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{ |
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$schemaName = $table->schemaName; |
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$tableName = $table->name; |
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@ -143,7 +161,6 @@ WHERE
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ORDER by a.column_id |
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EOD; |
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try { |
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$columns = $this->db->createCommand($sql)->queryAll(); |
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} catch (\Exception $e) { |
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@ -158,7 +175,10 @@ EOD;
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if ($table->primaryKey === null) { |
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$table->primaryKey = $c->name; |
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} elseif (is_string($table->primaryKey)) { |
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$table->primaryKey = array($table->primaryKey, $c->name); |
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$table->primaryKey = array( |
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$table->primaryKey, |
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$c->name |
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); |
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} else { |
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$table->primaryKey[] = $c->name; |
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} |
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@ -184,8 +204,9 @@ where tabs.table_name = '{$tableName}'
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return true; |
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} |
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protected function createColumn($column) { |
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$c = new ColumnSchema; |
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protected function createColumn($column) |
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{ |
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$c = new ColumnSchema(); |
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$c->name = $column['COLUMN_NAME']; |
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$c->allowNull = $column['NULLABLE'] === 'Y'; |
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$c->isPrimaryKey = strpos($column['KEY'], 'P') !== false; |
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@ -195,7 +216,8 @@ where tabs.table_name = '{$tableName}'
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return $c; |
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} |
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protected function findConstraints($table) { |
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protected function findConstraints($table) |
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{ |
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$sql = <<<EOD |
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SELECT D.constraint_type as CONSTRAINT_TYPE, C.COLUMN_NAME, C.position, D.r_constraint_name, |
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E.table_name as table_ref, f.column_name as column_ref, |
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@ -213,12 +235,12 @@ EOD;
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foreach ($command->queryAll() as $row) { |
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if ($row['CONSTRAINT_TYPE'] === 'R') { // foreign key |
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$name = $row["COLUMN_NAME"]; |
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$table->foreignKeys[$name] = array($row["TABLE_REF"], $row["COLUMN_REF"]); |
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$table->foreignKeys[$name] = array( |
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$row["TABLE_REF"], |
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$row["COLUMN_REF"] |
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); |
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/* |
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if (isset($table->columns[$name])) { |
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$table->columns[$name]->isForeignKey = true; |
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} |
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* |
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* if (isset($table->columns[$name])) { $table->columns[$name]->isForeignKey = true; } |
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*/ |
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} |
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} |
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@ -226,11 +248,14 @@ EOD;
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/** |
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* Returns all table names in the database. |
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* @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema. |
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* |
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* @param string $schema |
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* the schema of the tables. Defaults to empty string, meaning the current or default schema. |
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* If not empty, the returned table names will be prefixed with the schema name. |
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* @return array all table names in the database. |
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*/ |
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protected function findTableNames($schema = '') { |
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protected function findTableNames($schema = '') |
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{ |
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if ($schema === '') { |
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$sql = <<<EOD |
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SELECT table_name, '{$schema}' as table_schema FROM user_tables |
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@ -259,41 +284,52 @@ EOD;
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/** |
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* Builds a SQL statement for renaming a DB table. |
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* @param string $table the table to be renamed. The name will be properly quoted by the method. |
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* @param string $newName the new table name. The name will be properly quoted by the method. |
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* |
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* @param string $table |
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* the table to be renamed. The name will be properly quoted by the method. |
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* @param string $newName |
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* the new table name. The name will be properly quoted by the method. |
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* @return string the SQL statement for renaming a DB table. |
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* @since 1.1.6 |
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*/ |
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public function renameTable($table, $newName) { |
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public function renameTable($table, $newName) |
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{ |
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return 'ALTER TABLE ' . $this->quoteTableName($table) . ' RENAME TO ' . $this->quoteTableName($newName); |
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} |
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/** |
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* Builds a SQL statement for changing the definition of a column. |
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* @param string $table the table whose column is to be changed. The table name will be properly quoted by the method. |
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* @param string $column the name of the column to be changed. The name will be properly quoted by the method. |
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* @param string $type the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any) |
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* |
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* @param string $table |
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* the table whose column is to be changed. The table name will be properly quoted by the method. |
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* @param string $column |
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* the name of the column to be changed. The name will be properly quoted by the method. |
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* @param string $type |
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* the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any) |
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* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL. |
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* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'. |
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* @return string the SQL statement for changing the definition of a column. |
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* @since 1.1.6 |
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*/ |
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public function alterColumn($table, $column, $type) { |
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public function alterColumn($table, $column, $type) |
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{ |
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$type = $this->getColumnType($type); |
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$sql = 'ALTER TABLE ' . $this->quoteTableName($table) . ' MODIFY ' |
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. $this->quoteColumnName($column) . ' ' |
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. $this->getColumnType($type); |
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$sql = 'ALTER TABLE ' . $this->quoteTableName($table) . ' MODIFY ' . $this->quoteColumnName($column) . ' ' . $this->getColumnType($type); |
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return $sql; |
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} |
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/** |
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* Builds a SQL statement for dropping an index. |
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* @param string $name the name of the index to be dropped. The name will be properly quoted by the method. |
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* @param string $table the table whose index is to be dropped. The name will be properly quoted by the method. |
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* |
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* @param string $name |
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* the name of the index to be dropped. The name will be properly quoted by the method. |
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* @param string $table |
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* the table whose index is to be dropped. The name will be properly quoted by the method. |
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* @return string the SQL statement for dropping an index. |
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* @since 1.1.6 |
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*/ |
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public function dropIndex($name, $table) { |
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public function dropIndex($name, $table) |
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{ |
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return 'DROP INDEX ' . $this->quoteTableName($name); |
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} |
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@ -301,12 +337,16 @@ EOD;
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* Resets the sequence value of a table's primary key. |
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* The sequence will be reset such that the primary key of the next new row inserted |
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* will have the specified value or 1. |
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* @param CDbTableSchema $table the table schema whose primary key sequence will be reset |
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* @param mixed $value the value for the primary key of the next new row inserted. If this is not set, |
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* |
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* @param CDbTableSchema $table |
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* the table schema whose primary key sequence will be reset |
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* @param mixed $value |
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* the value for the primary key of the next new row inserted. If this is not set, |
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* the next new row's primary key will have a value 1. |
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* @since 1.1.13 |
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*/ |
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public function resetSequence($table, $value = 1) { |
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public function resetSequence($table, $value = 1) |
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{ |
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$seq = $table->name . "_SEQ"; |
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if ($table->sequenceName !== null) { |
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$this->db->createCommand("DROP SEQUENCE " . $seq)->execute(); |
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@ -321,5 +361,4 @@ SQL;
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$this->db->createCommand($createSequenceSql)->execute(); |
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} |
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} |
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} |
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