Merge pull request #519 from gevik/issue-466

Issue 466 (add/drop PrimaryKeys)

framework/yii/db/Command.php

@@ -653,6 +653,32 @@ class Command extends \yii\base\Component
 		return $this->setSql($sql);
 	}
 	
+	/**
+	 * Creates a SQL command for adding a primary key constraint to an existing table.
+	 * The method will properly quote the table and column names.
+	 * @param string $name the name of the primary key constraint.
+	 * @param string $table the table that the primary key constraint will be added to.
+	 * @param string|array $columns comma separated string or array of columns that the primary key will consist of.
+	 * @return Command the command object itself.
+	 */	
+	public function addPrimaryKey($name, $table, $columns)
+	{
+		$sql = $this->db->getQueryBuilder()->addPrimaryKey($name, $table, $columns);
+		return $this->setSql($sql);
+	}
+	
+	/**
+	 * Creates a SQL command for removing a primary key constraint to an existing table.
+	 * @param string $name the name of the primary key constraint to be removed.
+	 * @param string $table the table that the primary key constraint will be removed from.
+	 * @return Command the command object itself
+	 */	
+	public function dropPrimarykey($name, $table)
+	{
+		$sql = $this->db->getQueryBuilder()->dropPrimarykey($name, $table);
+		return $this->setSql($sql);
+	}
+
 	/**
 	 * Creates a SQL command for adding a foreign key constraint to an existing table.
 	 * The method will properly quote the table and column names.

framework/yii/db/QueryBuilder.php

@@ -269,6 +269,41 @@ class QueryBuilder extends \yii\base\Object
 		return "DROP TABLE " . $this->db->quoteTableName($table);
 	}
 	
+	/**
+	 * Builds a SQL statement for adding a primary key constraint to an existing table.
+	 * @param string $name the name of the primary key constraint.
+	 * @param string $table the table that the primary key constraint will be added to.
+	 * @param string|array $columns comma separated string or array of columns that the primary key will consist of.
+	 * @return string the SQL statement for adding a primary key constraint to an existing table.
+	 */
+	public function addPrimaryKey($name, $table, $columns)
+	{
+		if (is_string($columns)) {
+			$columns=preg_split('/\s*,\s*/',$columns,-1,PREG_SPLIT_NO_EMPTY);
+		}
+		
+		foreach ($columns as $i=>$col) {
+			$columns[$i]=$this->db->quoteColumnName($col);
+		}
+		
+		return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ADD CONSTRAINT '
+			. $this->db->quoteColumnName($name) . '  PRIMARY KEY ('
+			. implode(', ', $columns). ' )';
+	}	
+	
+	/**
+	 * Builds a SQL statement for removing a primary key constraint to an existing table.
+	 * @param string $name the name of the primary key constraint to be removed.
+	 * @param string $table the table that the primary key constraint will be removed from.
+	 * @return string the SQL statement for removing a primary key constraint from an existing table.	 *
+	 */
+	public function dropPrimarykey($name, $table)
+	{
+		return 'ALTER TABLE ' . $this->db->quoteTableName($table)
+			. ' DROP CONSTRAINT ' . $this->db->quoteColumnName($name);
+		
+	}	
+
 	/**
 	 * Builds a SQL statement for truncating a DB table.
 	 * @param string $table the table to be truncated. The name will be properly quoted by the method.

framework/yii/db/mysql/QueryBuilder.php

@@ -88,6 +88,17 @@ class QueryBuilder extends \yii\db\QueryBuilder
 			. ' DROP FOREIGN KEY ' . $this->db->quoteColumnName($name);
 	}
 
+	/**
+	 * Builds a SQL statement for removing a primary key constraint to an existing table.
+	 * @param string $name the name of the primary key constraint to be removed.
+	 * @param string $table the table that the primary key constraint will be removed from.
+	 * @return string the SQL statement for removing a primary key constraint from an existing table.	 *
+	 */
+	public function dropPrimarykey($name, $table)
+	{
+		return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' DROP PRIMARY KEY';		
+	}
+	
 	/**
 	 * 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

framework/yii/db/pgsql/QueryBuilder.php

@@ -22,13 +22,13 @@ class QueryBuilder extends \yii\db\QueryBuilder
 	 */
 	public $typeMap = array(
 	    Schema::TYPE_PK => 'serial not null primary key',
-	    Schema::TYPE_STRING => 'varchar',
+	    Schema::TYPE_STRING => 'varchar(255)',
 	    Schema::TYPE_TEXT => 'text',
 	    Schema::TYPE_SMALLINT => 'smallint',
 	    Schema::TYPE_INTEGER => 'integer',
 	    Schema::TYPE_BIGINT => 'bigint',
 	    Schema::TYPE_FLOAT => 'double precision',
-	    Schema::TYPE_DECIMAL => 'numeric',
+	    Schema::TYPE_DECIMAL => 'numeric(10,0)',
 	    Schema::TYPE_DATETIME => 'timestamp',
 	    Schema::TYPE_TIMESTAMP => 'timestamp',
 	    Schema::TYPE_TIME => 'time',

framework/yii/db/pgsql/Schema.php

@@ -43,6 +43,7 @@ class Schema extends \yii\db\Schema
 		'circle' => self::TYPE_STRING,
 		'date' => self::TYPE_DATE,
 		'real' => self::TYPE_FLOAT,
+		'decimal' => self::TYPE_DECIMAL,
 		'double precision' => self::TYPE_DECIMAL,
 		'inet' => self::TYPE_STRING,
 		'smallint' => self::TYPE_SMALLINT,
@@ -55,7 +56,6 @@ class Schema extends \yii\db\Schema
 		'money' => self::TYPE_MONEY,
 		'name' => self::TYPE_STRING,
 		'numeric' => self::TYPE_STRING,
-		'numrange' => self::TYPE_DECIMAL,
 		'oid' => self::TYPE_BIGINT, // should not be used. it's pg internal!
 		'path' => self::TYPE_STRING,
 		'point' => self::TYPE_STRING,

framework/yii/db/sqlite/QueryBuilder.php

@@ -179,4 +179,30 @@ class QueryBuilder extends \yii\db\QueryBuilder
 	{
 		throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.');
 	}
+	
+	/**
+	 * Builds a SQL statement for adding a primary key constraint to an existing table.
+	 * @param string $name the name of the primary key constraint.
+	 * @param string $table the table that the primary key constraint will be added to.
+	 * @param string|array $columns comma separated string or array of columns that the primary key will consist of.
+	 * @return string the SQL statement for adding a primary key constraint to an existing table.
+	 * @throws NotSupportedException this is not supported by SQLite
+	 */
+	public function addPrimaryKey($name, $table, $columns)
+	{
+		throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.');
+	}	
+	
+	/**
+	 * Builds a SQL statement for removing a primary key constraint to an existing table.
+	 * @param string $name the name of the primary key constraint to be removed.
+	 * @param string $table the table that the primary key constraint will be removed from.
+	 * @return string the SQL statement for removing a primary key constraint from an existing table.
+	 * @throws NotSupportedException this is not supported by SQLite	 *
+	 */
+	public function dropPrimarykey($name, $table)
+	{
+		throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.');		
+	}		
 }
+

tests/unit/data/mysql.sql

@@ -9,6 +9,14 @@ DROP TABLE IF EXISTS tbl_order CASCADE;
 DROP TABLE IF EXISTS tbl_category CASCADE;
 DROP TABLE IF EXISTS tbl_customer CASCADE;
 DROP TABLE IF EXISTS tbl_type CASCADE;
+DROP TABLE IF EXISTS tbl_constraints CASCADE;
+
+CREATE TABLE `tbl_constraints`
+(
+  `id` integer not null,
+  `field1` varchar(255)
+);
+
 
 CREATE TABLE `tbl_customer` (
   `id` int(11) NOT NULL AUTO_INCREMENT,

tests/unit/data/postgres.sql

@@ -10,6 +10,13 @@ DROP TABLE IF EXISTS tbl_order CASCADE;
 DROP TABLE IF EXISTS tbl_category CASCADE;
 DROP TABLE IF EXISTS tbl_customer CASCADE;
 DROP TABLE IF EXISTS tbl_type CASCADE;
+DROP TABLE IF EXISTS tbl_constraints CASCADE;
+
+CREATE TABLE tbl_constraints
+(
+  id integer not null,
+  field1 varchar(255)
+);
 
 CREATE TABLE tbl_customer (
   id serial not null primary key,

tests/unit/framework/db/QueryBuilderTest.php

@@ -7,23 +7,26 @@ use yii\db\Schema;
 use yii\db\mysql\QueryBuilder as MysqlQueryBuilder;
 use yii\db\sqlite\QueryBuilder as SqliteQueryBuilder;
 use yii\db\mssql\QueryBuilder as MssqlQueryBuilder;
+use yii\db\pgsql\QueryBuilder as PgsqlQueryBuilder;
 
 class QueryBuilderTest extends DatabaseTestCase
 {
+
 	/**
 	 * @throws \Exception
 	 * @return QueryBuilder
 	 */
 	protected function getQueryBuilder()
 	{
-		switch($this->driverName)
+		switch ($this->driverName) {
-		{
 			case 'mysql':
 				return new MysqlQueryBuilder($this->getConnection());
 			case 'sqlite':
 				return new SqliteQueryBuilder($this->getConnection());
 			case 'mssql':
 				return new MssqlQueryBuilder($this->getConnection());
+			case 'pgsql':
+				return new PgsqlQueryBuilder($this->getConnection());
 		}
 		throw new \Exception('Test is not implemented for ' . $this->driverName);
 	}
@@ -95,15 +98,31 @@ class QueryBuilderTest extends DatabaseTestCase
 		);
 	}
 
-	/**
-	 *
-	 */
 	public function testGetColumnType()
 	{
 		$qb = $this->getQueryBuilder();
-		foreach($this->columnTypes() as $item) {
+		foreach ($this->columnTypes() as $item) {
 			list ($column, $expected) = $item;
 			$this->assertEquals($expected, $qb->getColumnType($column));
 		}
 	}
+
+	public function testAddDropPrimayKey()
+	{
+		$tableName = 'tbl_constraints';
+		$pkeyName = $tableName . "_pkey";
+		
+		// ADD
+		$qb = $this->getQueryBuilder();
+		$qb->db->createCommand()->addPrimaryKey($pkeyName, $tableName, array('id'))->execute();
+		$tableSchema = $qb->db->getSchema()->getTableSchema($tableName);
+		$this->assertEquals(1, count($tableSchema->primaryKey));
+
+		//DROP
+		$qb->db->createCommand()->dropPrimarykey($pkeyName, $tableName)->execute();
+		$qb = $this->getQueryBuilder(); // resets the schema
+		$tableSchema = $qb->db->getSchema()->getTableSchema($tableName);
+		$this->assertEquals(0, count($tableSchema->primaryKey));		
+	}
+
 }

tests/unit/framework/db/pgsql/PostgreSQLQueryBuilderTest.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace yiiunit\framework\db\pgsql;
+
+use yii\base\NotSupportedException;
+use yii\db\pgsql\Schema;
+use yiiunit\framework\db\QueryBuilderTest;
+
+class PostgreSQLQueryBuilderTest extends QueryBuilderTest
+{
+
+	public $driverName = 'pgsql';
+	
+	public function columnTypes()
+	{
+		return array(
+			array(Schema::TYPE_PK, 'serial not null primary key'),
+			array(Schema::TYPE_PK . '(8)', 'serial not null primary key'),
+			array(Schema::TYPE_PK . ' CHECK (value > 5)', 'serial not null primary key CHECK (value > 5)'),
+			array(Schema::TYPE_PK . '(8) CHECK (value > 5)', 'serial not null primary key CHECK (value > 5)'),
+			array(Schema::TYPE_STRING, 'varchar(255)'),
+			array(Schema::TYPE_STRING . '(32)', 'varchar(32)'),
+			array(Schema::TYPE_STRING . ' CHECK (value LIKE "test%")', 'varchar(255) CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_STRING . '(32) CHECK (value LIKE "test%")', 'varchar(32) CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_STRING . ' NOT NULL', 'varchar(255) NOT NULL'),
+			array(Schema::TYPE_TEXT, 'text'),
+			array(Schema::TYPE_TEXT . '(255)', 'text'),
+			array(Schema::TYPE_TEXT . ' CHECK (value LIKE "test%")', 'text CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_TEXT . '(255) CHECK (value LIKE "test%")', 'text CHECK (value LIKE "test%")'),
+			array(Schema::TYPE_TEXT . ' NOT NULL', 'text NOT NULL'),
+			array(Schema::TYPE_TEXT . '(255) NOT NULL', 'text NOT NULL'),
+			array(Schema::TYPE_SMALLINT, 'smallint'),
+			array(Schema::TYPE_SMALLINT . '(8)', 'smallint'),
+			array(Schema::TYPE_INTEGER, 'integer'),
+			array(Schema::TYPE_INTEGER . '(8)', 'integer'),
+			array(Schema::TYPE_INTEGER . ' CHECK (value > 5)', 'integer CHECK (value > 5)'),
+			array(Schema::TYPE_INTEGER . '(8) CHECK (value > 5)', 'integer CHECK (value > 5)'),
+			array(Schema::TYPE_INTEGER . ' NOT NULL', 'integer NOT NULL'),
+			array(Schema::TYPE_BIGINT, 'bigint'),
+			array(Schema::TYPE_BIGINT . '(8)', 'bigint'),
+			array(Schema::TYPE_BIGINT . ' CHECK (value > 5)', 'bigint CHECK (value > 5)'),
+			array(Schema::TYPE_BIGINT . '(8) CHECK (value > 5)', 'bigint CHECK (value > 5)'),
+			array(Schema::TYPE_BIGINT . ' NOT NULL', 'bigint NOT NULL'),
+			array(Schema::TYPE_FLOAT, 'double precision'),
+			array(Schema::TYPE_FLOAT . ' CHECK (value > 5.6)', 'double precision CHECK (value > 5.6)'),
+			array(Schema::TYPE_FLOAT . '(16,5) CHECK (value > 5.6)', 'double precision CHECK (value > 5.6)'),
+			array(Schema::TYPE_FLOAT . ' NOT NULL', 'double precision NOT NULL'),
+			array(Schema::TYPE_DECIMAL, 'numeric(10,0)'),
+			array(Schema::TYPE_DECIMAL . '(12,4)', 'numeric(12,4)'),
+			array(Schema::TYPE_DECIMAL . ' CHECK (value > 5.6)', 'numeric(10,0) CHECK (value > 5.6)'),
+			array(Schema::TYPE_DECIMAL . '(12,4) CHECK (value > 5.6)', 'numeric(12,4) CHECK (value > 5.6)'),
+			array(Schema::TYPE_DECIMAL . ' NOT NULL', 'numeric(10,0) NOT NULL'),
+			array(Schema::TYPE_DATETIME, 'timestamp'),
+			array(Schema::TYPE_DATETIME . " CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')", "timestamp CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')"),
+			array(Schema::TYPE_DATETIME . ' NOT NULL', 'timestamp NOT NULL'),
+			array(Schema::TYPE_TIMESTAMP, 'timestamp'),
+			array(Schema::TYPE_TIMESTAMP . " CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')", "timestamp CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')"),
+			array(Schema::TYPE_TIMESTAMP . ' NOT NULL', 'timestamp NOT NULL'),
+			array(Schema::TYPE_TIME, 'time'),
+			array(Schema::TYPE_TIME . " CHECK(value BETWEEN '12:00:00' AND '13:01:01')", "time CHECK(value BETWEEN '12:00:00' AND '13:01:01')"),
+			array(Schema::TYPE_TIME . ' NOT NULL', 'time NOT NULL'),
+			array(Schema::TYPE_DATE, 'date'),
+			array(Schema::TYPE_DATE . " CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')", "date CHECK(value BETWEEN '2011-01-01' AND '2013-01-01')"),
+			array(Schema::TYPE_DATE . ' NOT NULL', 'date NOT NULL'),
+			array(Schema::TYPE_BINARY, 'bytea'),
+			array(Schema::TYPE_BOOLEAN, 'boolean'),
+			array(Schema::TYPE_BOOLEAN . ' NOT NULL DEFAULT 1', 'boolean NOT NULL DEFAULT 1'),
+			array(Schema::TYPE_MONEY, 'numeric(19,4)'),
+			array(Schema::TYPE_MONEY . '(16,2)', 'numeric(16,2)'),
+			array(Schema::TYPE_MONEY . ' CHECK (value > 0.0)', 'numeric(19,4) CHECK (value > 0.0)'),
+			array(Schema::TYPE_MONEY . '(16,2) CHECK (value > 0.0)', 'numeric(16,2) CHECK (value > 0.0)'),
+			array(Schema::TYPE_MONEY . ' NOT NULL', 'numeric(19,4) NOT NULL'),
+		);
+	}
+
+}

tests/unit/framework/db/sqlite/SqliteQueryBuilderTest.php

@@ -2,6 +2,7 @@
 
 namespace yiiunit\framework\db\sqlite;
 
+use yii\base\NotSupportedException;
 use yii\db\sqlite\Schema;
 use yiiunit\framework\db\QueryBuilderTest;
 
@@ -71,4 +72,11 @@ class SqliteQueryBuilderTest extends QueryBuilderTest
 			array(Schema::TYPE_MONEY . ' NOT NULL', 'decimal(19,4) NOT NULL'),
 		);
 	}
+	
+	public function testAddDropPrimayKey()
+	{
+		$this->setExpectedException('yii\base\NotSupportedException');
+		parent::testAddDropPrimayKey();
+	}
+
 }