/** * {@inheritdoc} */ public function getForeignKeyBaseDeclarationSQL(ForeignKeyConstraint $foreignKey) { $sql = ''; $foreignKeyName = $foreignKey->getName(); $localColumns = $foreignKey->getQuotedLocalColumns($this); $foreignColumns = $foreignKey->getQuotedForeignColumns($this); $foreignTableName = $foreignKey->getQuotedForeignTableName($this); if (!empty($foreignKeyName)) { $sql .= 'CONSTRAINT ' . $foreignKey->getQuotedName($this) . ' '; } if (empty($localColumns)) { throw new \InvalidArgumentException("Incomplete definition. 'local' required."); } if (empty($foreignColumns)) { throw new \InvalidArgumentException("Incomplete definition. 'foreign' required."); } if (empty($foreignTableName)) { throw new \InvalidArgumentException("Incomplete definition. 'foreignTable' required."); } if ($foreignKey->hasOption('notnull') && (bool) $foreignKey->getOption('notnull')) { $sql .= 'NOT NULL '; } return $sql . 'FOREIGN KEY (' . $this->getIndexFieldDeclarationListSQL($localColumns) . ') ' . 'REFERENCES ' . $foreignKey->getQuotedForeignTableName($this) . ' (' . $this->getIndexFieldDeclarationListSQL($foreignColumns) . ')'; }
/** * Obtain DBMS specific SQL code portion needed to set the FOREIGN KEY constraint * of a field declaration to be used in statements like CREATE TABLE. * * @param ForeignKeyConstraint $foreignKey * @return string */ public function getForeignKeyBaseDeclarationSQL(ForeignKeyConstraint $foreignKey) { $sql = ''; if (strlen($foreignKey->getName())) { $sql .= 'CONSTRAINT ' . $foreignKey->getQuotedName($this) . ' '; } $sql .= 'FOREIGN KEY ('; if (count($foreignKey->getLocalColumns()) == 0) { throw new \InvalidArgumentException("Incomplete definition. 'local' required."); } if (count($foreignKey->getForeignColumns()) == 0) { throw new \InvalidArgumentException("Incomplete definition. 'foreign' required."); } if (strlen($foreignKey->getForeignTableName()) == 0) { throw new \InvalidArgumentException("Incomplete definition. 'foreignTable' required."); } $sql .= implode(', ', $foreignKey->getLocalColumns()) . ') REFERENCES ' . $foreignKey->getForeignTableName() . ' (' . implode(', ', $foreignKey->getForeignColumns()) . ')'; return $sql; }