(PECL chdb >= 0.1.0)
Creates a chdb instance
public chdb::__construct ( string $pathname )
Loads a chdb file, by mapping it into memory.
Note:
While some validity checks are performed on the specified file, they are mostly there to avoid the possibility of common mistakes (for example, loading a file which is not a chdb database, or that is somehow incompatible with the current system). A maliciously crafted chdb file