Method: MDBX::Database#reopen

Defined in:
ext/mdbx_ext/database.c

#reopen ⇒ Object

Open the DB environment handle.



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# File 'ext/mdbx_ext/database.c', line 141

VALUE
rmdbx_open_env( VALUE self )
{
	int rc;
	UNWRAP_DB( self, db );
	rmdbx_close_all( db );

	/* Allocate an mdbx environment.
	 */
	rc = mdbx_env_create( &db->env );
	if ( rc != MDBX_SUCCESS )
		rb_raise( rmdbx_eDatabaseError, "mdbx_env_create: (%d) %s", rc, mdbx_strerror(rc) );

	/* Set the maximum number of named databases for the environment. */
	mdbx_env_set_maxdbs( db->env, db->settings.max_collections );

	/* Customize the maximum number of simultaneous readers. */
	if ( db->settings.max_readers )
		mdbx_env_set_maxreaders( db->env, db->settings.max_readers );

	/* Set an upper boundary (in bytes) for the database map size. */
	if ( db->settings.max_size )
		mdbx_env_set_geometry( db->env, -1, -1, db->settings.max_size, -1, -1, -1 );

	rc = mdbx_env_open( db->env, db->path, db->settings.env_flags, db->settings.mode );
	if ( rc != MDBX_SUCCESS ) {
		rmdbx_close_all( db );
		rb_raise( rmdbx_eDatabaseError, "mdbx_env_open: (%d) %s", rc, mdbx_strerror(rc) );
	}

	/* Force populate the db->dbi handle.  Under 0.12.x, getting a
	 * 'permission denied' doing this for the first access with a RDONLY
	 * for some reason. */
	rmdbx_open_txn( db, MDBX_TXN_READWRITE );
	rmdbx_close_txn( db, RMDBX_TXN_ROLLBACK );

	db->state.open = 1;
	return Qtrue;
}