Exemplo n.º 1
0
 public function create(MidataTable $table)
 {
     // columns
     $ddlColumn = MidataDDL::factory($table->adapter(), MidataDDL::COLUMN);
     $tableName = $table->name();
     $sql = "CREATE TABLE `{$tableName}`(";
     $name = $table->column("name");
     foreach ($table->columns() as $column) {
         $column = $table->column($column);
         $inline = $ddlColumn->inline($column);
         $sql = "{$sql}\n    {$inline},";
     }
     // constraints
     $ddlConstraint = MidataDDL::factory($table->adapter(), MidataDDL::CONSTRAINT);
     foreach ($table->constraints() as $constraint) {
         $constraint = $table->constraint($constraint);
         $inline = $ddlConstraint->inline($constraint);
         $sql = "{$sql}\n    {$inline},";
     }
     // indexes
     $ddlIndex = MidataDDL::factory($table->adapter(), MidataDDL::INDEX);
     foreach ($table->indexes() as $index) {
         $index = $table->index($index);
         $inline = $ddlIndex->inline($index);
         $sql = "{$sql}\n    {$inline},";
     }
     $sql = trim($sql, ',');
     $sql .= "\n)";
     return "{$sql};";
 }
Exemplo n.º 2
0
 private function dropPrimaryKey(MidataConstraint $primaryKey)
 {
     $tableName = $primaryKey->tableName();
     $adapter = $this->adapter();
     $sql = "";
     if ($adapter->isMysql()) {
         $table = $adapter->table($tableName);
         $primaryKey = $table->primaryKey();
         if (count($primaryKey) == 1) {
             $column = $table->column($primaryKey[0]);
             if ($column->sequence()) {
                 // prubujemy usunac klucz podstawowy z kolumny ktora
                 // jest oznaczona jako auto_increment, wiec zanim
                 // usuniemy klucz musimy usunac rowniez auto_increment
                 // z kolumny
                 $ddlColumn = MidataDDL::factory($adapter, MidataDDL::COLUMN);
                 $column->sequence(false);
                 $alter = $ddlColumn->alter($column);
                 $sql .= "\n{$alter}";
             }
         }
     }
     $sql .= "\nALTER TABLE `{$tableName}` DROP PRIMARY KEY";
     return "{$sql};";
 }
Exemplo n.º 3
0
 private function ddlBuilder($statement)
 {
     if (!isset($this->ddlBuilders[$statement])) {
         $this->ddlBuilders[$statement] = MidataDDL::factory($this->adapter('source'), $statement);
     }
     return $this->ddlBuilders[$statement];
 }
Exemplo n.º 4
0
 /**
  * Return instace of DDL (Data Definition Builder) for specificed type of
  * object.
  *
  * @param string $statement column|trigger|foreignKey|view|table
  * @return \Midata\DDL
  */
 public function ddl($statement)
 {
     return MidataDDL::factory($this, $statement);
 }