PHP Table::primaryKey方法代码示例

 /**
  * Generate String representation of Records
  *
  * @param \Cake\Database\Schema\Table $table Table schema array
  * @param int $recordCount The number of records to generate.
  * @return array Array of records to use in the fixture.
  */
 protected function _generateRecords(Table $table, $recordCount = 1)
 {
     $records = [];
     for ($i = 0; $i < $recordCount; $i++) {
         $record = [];
         foreach ($table->columns() as $field) {
             $fieldInfo = $table->column($field);
             $insert = '';
             switch ($fieldInfo['type']) {
                 case 'decimal':
                     $insert = $i + 1.5;
                     break;
                 case 'biginteger':
                 case 'integer':
                 case 'float':
                     $insert = $i + 1;
                     break;
                 case 'string':
                 case 'binary':
                     $isPrimary = in_array($field, $table->primaryKey());
                     if ($isPrimary) {
                         $insert = Text::uuid();
                     } else {
                         $insert = "Lorem ipsum dolor sit amet";
                         if (!empty($fieldInfo['length'])) {
                             $insert = substr($insert, 0, (int) $fieldInfo['length'] - 2);
                         }
                     }
                     break;
                 case 'timestamp':
                     $insert = time();
                     break;
                 case 'datetime':
                     $insert = date('Y-m-d H:i:s');
                     break;
                 case 'date':
                     $insert = date('Y-m-d');
                     break;
                 case 'time':
                     $insert = date('H:i:s');
                     break;
                 case 'boolean':
                     $insert = 1;
                     break;
                 case 'text':
                     $insert = "Lorem ipsum dolor sit amet, aliquet feugiat.";
                     $insert .= " Convallis morbi fringilla gravida,";
                     $insert .= " phasellus feugiat dapibus velit nunc, pulvinar eget sollicitudin";
                     $insert .= " venenatis cum nullam, vivamus ut a sed, mollitia lectus. Nulla";
                     $insert .= " vestibulum massa neque ut et, id hendrerit sit,";
                     $insert .= " feugiat in taciti enim proin nibh, tempor dignissim, rhoncus";
                     $insert .= " duis vestibulum nunc mattis convallis.";
                     break;
                 case 'uuid':
                     $insert = Text::uuid();
                     break;
             }
             $record[$field] = $insert;
         }
         $records[] = $record;
     }
     return $records;
 }

 /**
  * {@inheritDoc}
  */
 public function columnSql(Table $table, $name)
 {
     $data = $table->column($name);
     $out = $this->_driver->quoteIdentifier($name);
     $typeMap = ['boolean' => ' BOOLEAN', 'binary' => ' BYTEA', 'float' => ' FLOAT', 'decimal' => ' DECIMAL', 'text' => ' TEXT', 'date' => ' DATE', 'time' => ' TIME', 'datetime' => ' TIMESTAMP', 'timestamp' => ' TIMESTAMP', 'uuid' => ' UUID'];
     if (isset($typeMap[$data['type']])) {
         $out .= $typeMap[$data['type']];
     }
     if ($data['type'] === 'integer' || $data['type'] === 'biginteger') {
         $type = $data['type'] === 'integer' ? ' INTEGER' : ' BIGINT';
         if ([$name] === $table->primaryKey() || $data['autoIncrement'] === true) {
             $type = $data['type'] === 'integer' ? ' SERIAL' : ' BIGSERIAL';
             unset($data['null'], $data['default']);
         }
         $out .= $type;
     }
     if ($data['type'] === 'string') {
         $isFixed = !empty($data['fixed']);
         $type = ' VARCHAR';
         if ($isFixed) {
             $type = ' CHAR';
         }
         $out .= $type;
         if (isset($data['length']) && $data['length'] != 36) {
             $out .= '(' . (int) $data['length'] . ')';
         }
     }
     if ($data['type'] === 'float' && isset($data['precision'])) {
         $out .= '(' . (int) $data['precision'] . ')';
     }
     if ($data['type'] === 'decimal' && (isset($data['length']) || isset($data['precision']))) {
         $out .= '(' . (int) $data['length'] . ',' . (int) $data['precision'] . ')';
     }
     if (isset($data['null']) && $data['null'] === false) {
         $out .= ' NOT NULL';
     }
     if (isset($data['null']) && $data['null'] === true) {
         $out .= ' DEFAULT NULL';
         unset($data['default']);
     }
     if (isset($data['default']) && $data['type'] !== 'timestamp') {
         $defaultValue = $data['default'];
         if ($data['type'] === 'boolean') {
             $defaultValue = (bool) $defaultValue;
         }
         $out .= ' DEFAULT ' . $this->_driver->schemaValue($defaultValue);
     }
     return $out;
 }

 /**
  * {@inheritDoc}
  *
  * @throws \Cake\Database\Exception when the column type is unknown
  */
 public function columnSql(Table $table, $name)
 {
     $data = $table->column($name);
     $typeMap = ['uuid' => ' CHAR(36)', 'string' => ' VARCHAR', 'integer' => ' INTEGER', 'biginteger' => ' BIGINT', 'boolean' => ' BOOLEAN', 'binary' => ' BLOB', 'float' => ' FLOAT', 'decimal' => ' DECIMAL', 'text' => ' TEXT', 'date' => ' DATE', 'time' => ' TIME', 'datetime' => ' DATETIME', 'timestamp' => ' TIMESTAMP'];
     if (!isset($typeMap[$data['type']])) {
         throw new Exception(sprintf('Unknown column type for "%s"', $name));
     }
     $out = $this->_driver->quoteIdentifier($name);
     $hasUnsigned = ['biginteger', 'integer', 'float', 'decimal'];
     if (in_array($data['type'], $hasUnsigned, true) && isset($data['unsigned']) && $data['unsigned'] === true) {
         $out .= ' UNSIGNED';
     }
     $out .= $typeMap[$data['type']];
     $hasLength = ['integer', 'string'];
     if (in_array($data['type'], $hasLength, true) && isset($data['length'])) {
         $out .= '(' . (int) $data['length'] . ')';
     }
     $hasPrecision = ['float', 'decimal'];
     if (in_array($data['type'], $hasPrecision, true) && (isset($data['length']) || isset($data['precision']))) {
         $out .= '(' . (int) $data['length'] . ',' . (int) $data['precision'] . ')';
     }
     if (isset($data['null']) && $data['null'] === false) {
         $out .= ' NOT NULL';
     }
     if ($data['type'] === 'integer' && [$name] === (array) $table->primaryKey()) {
         $out .= ' PRIMARY KEY AUTOINCREMENT';
     }
     if (isset($data['null']) && $data['null'] === true) {
         $out .= ' DEFAULT NULL';
         unset($data['default']);
     }
     if (isset($data['default'])) {
         $out .= ' DEFAULT ' . $this->_driver->schemaValue($data['default']);
     }
     return $out;
 }

 /**
  * {@inheritDoc}
  */
 public function columnSql(Table $table, $name)
 {
     $data = $table->column($name);
     $out = $this->_driver->quoteIdentifier($name);
     $typeMap = ['integer' => ' INTEGER', 'biginteger' => ' BIGINT', 'boolean' => ' BOOLEAN', 'binary' => ' LONGBLOB', 'float' => ' FLOAT', 'decimal' => ' DECIMAL', 'text' => ' TEXT', 'date' => ' DATE', 'time' => ' TIME', 'datetime' => ' DATETIME', 'timestamp' => ' TIMESTAMP', 'uuid' => ' CHAR(36)'];
     $specialMap = ['string' => true];
     if (isset($typeMap[$data['type']])) {
         $out .= $typeMap[$data['type']];
     }
     if (isset($specialMap[$data['type']])) {
         switch ($data['type']) {
             case 'string':
                 $out .= !empty($data['fixed']) ? ' CHAR' : ' VARCHAR';
                 if (!isset($data['length'])) {
                     $data['length'] = 255;
                 }
                 break;
         }
     }
     $hasLength = ['integer', 'string'];
     if (in_array($data['type'], $hasLength, true) && isset($data['length'])) {
         $out .= '(' . (int) $data['length'] . ')';
     }
     $hasPrecision = ['float', 'decimal'];
     if (in_array($data['type'], $hasPrecision, true) && (isset($data['length']) || isset($data['precision']))) {
         $out .= '(' . (int) $data['length'] . ',' . (int) $data['precision'] . ')';
     }
     $hasUnsigned = ['float', 'decimal', 'integer', 'biginteger'];
     if (in_array($data['type'], $hasUnsigned, true) && isset($data['unsigned']) && $data['unsigned'] === true) {
         $out .= ' UNSIGNED';
     }
     if (isset($data['null']) && $data['null'] === false) {
         $out .= ' NOT NULL';
     }
     if (in_array($data['type'], ['integer', 'biginteger']) && ([$name] == (array) $table->primaryKey() || $data['autoIncrement'] === true)) {
         $out .= ' AUTO_INCREMENT';
     }
     if (isset($data['null']) && $data['null'] === true) {
         $out .= $data['type'] === 'timestamp' ? ' NULL' : ' DEFAULT NULL';
         unset($data['default']);
     }
     if (isset($data['default']) && $data['type'] !== 'timestamp') {
         $out .= ' DEFAULT ' . $this->_driver->schemaValue($data['default']);
     }
     if (isset($data['default']) && $data['type'] === 'timestamp' && strtolower($data['default']) === 'current_timestamp') {
         $out .= ' DEFAULT CURRENT_TIMESTAMP';
     }
     if (isset($data['comment']) && $data['comment'] !== '') {
         $out .= ' COMMENT ' . $this->_driver->schemaValue($data['comment']);
     }
     return $out;
 }

 /**
  * {@inheritDoc}
  */
 public function columnSql(Table $table, $name)
 {
     $data = $table->column($name);
     $out = $this->_driver->quoteIdentifier($name);
     $typeMap = ['integer' => ' INTEGER', 'biginteger' => ' BIGINT', 'boolean' => ' BIT', 'binary' => ' BINARY', 'float' => ' FLOAT', 'decimal' => ' DECIMAL', 'text' => ' NVARCHAR(MAX)', 'date' => ' DATE', 'time' => ' TIME', 'datetime' => ' DATETIME', 'timestamp' => ' DATETIME', 'uuid' => ' UNIQUEIDENTIFIER'];
     if (isset($typeMap[$data['type']])) {
         $out .= $typeMap[$data['type']];
     }
     if ($data['type'] === 'integer' || $data['type'] === 'biginteger') {
         if ([$name] === $table->primaryKey() || $data['autoIncrement'] === true) {
             unset($data['null'], $data['default']);
             $out .= ' IDENTITY(1, 1)';
         }
     }
     if ($data['type'] === 'string') {
         $type = ' NVARCHAR';
         if (!empty($data['fixed'])) {
             $type = ' NCHAR';
         }
         if (!isset($data['length'])) {
             $data['length'] = 255;
         }
         $out .= sprintf('%s(%d)', $type, $data['length']);
     }
     if ($data['type'] === 'float' && isset($data['precision'])) {
         $out .= '(' . (int) $data['precision'] . ')';
     }
     if ($data['type'] === 'decimal' && (isset($data['length']) || isset($data['precision']))) {
         $out .= '(' . (int) $data['length'] . ',' . (int) $data['precision'] . ')';
     }
     if (isset($data['null']) && $data['null'] === false) {
         $out .= ' NOT NULL';
     }
     if (isset($data['null']) && $data['null'] === true) {
         $out .= ' DEFAULT NULL';
         unset($data['default']);
     }
     if (isset($data['default']) && $data['type'] !== 'datetime') {
         $default = is_bool($data['default']) ? (int) $data['default'] : $this->_driver->schemaValue($data['default']);
         $out .= ' DEFAULT ' . $default;
     }
     return $out;
 }

 /**
  * {@inheritDoc}
  */
 public function truncateTableSql(Table $table)
 {
     $name = $this->_driver->quoteIdentifier($table->name());
     $queries = [sprintf('DELETE FROM %s', $name)];
     // Restart identity sequences
     $pk = $table->primaryKey();
     if (count($pk) === 1) {
         $column = $table->column($pk[0]);
         if (in_array($column['type'], ['integer', 'biginteger'])) {
             $queries[] = sprintf('DBCC CHECKIDENT(%s, RESEED, 0)', $name);
         }
     }
     return $queries;
 }

 /**
  * Test getting the primary key.
  *
  * @return void
  */
 public function testPrimaryKey()
 {
     $table = new Table('articles');
     $table->addColumn('id', 'integer')->addColumn('title', 'string')->addColumn('author_id', 'integer')->addConstraint('author_idx', ['columns' => ['author_id'], 'type' => 'unique'])->addConstraint('primary', ['type' => 'primary', 'columns' => ['id']]);
     $this->assertEquals(['id'], $table->primaryKey());
     $table = new Table('articles');
     $table->addColumn('id', 'integer')->addColumn('title', 'string')->addColumn('author_id', 'integer');
     $this->assertEquals([], $table->primaryKey());
 }

 /**
  * {@inheritDoc}
  */
 public function columnSql(Table $table, $name)
 {
     $data = $table->column($name);
     $out = $this->_driver->quoteIdentifier($name);
     $nativeJson = $this->_driver->supportsNativeJson();
     $typeMap = ['integer' => ' INTEGER', 'biginteger' => ' BIGINT', 'boolean' => ' BOOLEAN', 'float' => ' FLOAT', 'decimal' => ' DECIMAL', 'date' => ' DATE', 'time' => ' TIME', 'datetime' => ' DATETIME', 'timestamp' => ' TIMESTAMP', 'uuid' => ' CHAR(36)', 'json' => $nativeJson ? ' JSON' : ' LONGTEXT'];
     $specialMap = ['string' => true, 'text' => true, 'binary' => true];
     if (isset($typeMap[$data['type']])) {
         $out .= $typeMap[$data['type']];
     }
     if (isset($specialMap[$data['type']])) {
         switch ($data['type']) {
             case 'string':
                 $out .= !empty($data['fixed']) ? ' CHAR' : ' VARCHAR';
                 if (!isset($data['length'])) {
                     $data['length'] = 255;
                 }
                 break;
             case 'text':
                 $isKnownLength = in_array($data['length'], Table::$columnLengths);
                 if (empty($data['length']) || !$isKnownLength) {
                     $out .= ' TEXT';
                     break;
                 }
                 if ($isKnownLength) {
                     $length = array_search($data['length'], Table::$columnLengths);
                     $out .= ' ' . strtoupper($length) . 'TEXT';
                 }
                 break;
             case 'binary':
                 $isKnownLength = in_array($data['length'], Table::$columnLengths);
                 if (empty($data['length']) || !$isKnownLength) {
                     $out .= ' BLOB';
                     break;
                 }
                 if ($isKnownLength) {
                     $length = array_search($data['length'], Table::$columnLengths);
                     $out .= ' ' . strtoupper($length) . 'BLOB';
                 }
                 break;
         }
     }
     $hasLength = ['integer', 'string'];
     if (in_array($data['type'], $hasLength, true) && isset($data['length'])) {
         $out .= '(' . (int) $data['length'] . ')';
     }
     $hasPrecision = ['float', 'decimal'];
     if (in_array($data['type'], $hasPrecision, true) && (isset($data['length']) || isset($data['precision']))) {
         $out .= '(' . (int) $data['length'] . ',' . (int) $data['precision'] . ')';
     }
     $hasUnsigned = ['float', 'decimal', 'integer', 'biginteger'];
     if (in_array($data['type'], $hasUnsigned, true) && isset($data['unsigned']) && $data['unsigned'] === true) {
         $out .= ' UNSIGNED';
     }
     $hasCollate = ['text', 'string'];
     if (in_array($data['type'], $hasCollate, true) && isset($data['collate']) && $data['collate'] !== '') {
         $out .= ' COLLATE ' . $data['collate'];
     }
     if (isset($data['null']) && $data['null'] === false) {
         $out .= ' NOT NULL';
     }
     $addAutoIncrement = [$name] == (array) $table->primaryKey() && !$table->hasAutoIncrement();
     if (in_array($data['type'], ['integer', 'biginteger']) && ($data['autoIncrement'] === true || $addAutoIncrement)) {
         $out .= ' AUTO_INCREMENT';
     }
     if (isset($data['null']) && $data['null'] === true && $data['type'] === 'timestamp') {
         $out .= ' NULL';
         unset($data['default']);
     }
     if (isset($data['default']) && in_array($data['type'], ['timestamp', 'datetime']) && strtolower($data['default']) === 'current_timestamp') {
         $out .= ' DEFAULT CURRENT_TIMESTAMP';
         unset($data['default']);
     }
     if (isset($data['default'])) {
         $out .= ' DEFAULT ' . $this->_driver->schemaValue($data['default']);
         unset($data['default']);
     }
     if (isset($data['comment']) && $data['comment'] !== '') {
         $out .= ' COMMENT ' . $this->_driver->schemaValue($data['comment']);
     }
     return $out;
 }