code: def __init__(
      self,
      connection: duckdb.DuckDBPyConnection = None,
      fallback: bool = True,
      verbose: bool = False,
  ):
      # Validate duckdb version
      if LooseVersion(duckdb.__version__) < LooseVersion("0.7.0"):
          raise ImportError(
              f"The VegaFusion DuckDB connection requires at least DuckDB version 0.7.0\n"
              f"Found version {duckdb.__version__}"
          )
  
      self._fallback = fallback
      self._verbose = verbose
      self._temp_tables = set()
  
      if connection is None:
          connection = duckdb.connect()
  
          # Install and load the httpfs extension only if we are creating the duckdb connection
          # here. If a connection was passed in, don't assume it has internet access and the
          # ability to install extensions
          try:
              connection.install_extension("httpfs")
              connection.load_extension("httpfs")
          except (
              IOError,
              duckdb.IOException,
              duckdb.InvalidInputException,
          ) as e:
              warnings.warn(
                  f"Failed to install and load the DuckDB httpfs extension:\n{e}"
              )
  
          # Use a less round number for pandas_analyze_sample (default is 1000)
          connection.execute("SET GLOBAL pandas_analyze_sample=1007")
  
      # The icu extension is pre-bundled in Python, so no need to install it
      connection.load_extension("icu")
  
      self.conn = connection
      self.logger = logging.getLogger("DuckDbConnection")
  
      self._registered_table_schemas = dict()
      # Call self.tables to warm the cache of table schemas
      self.tables()
  
imports: import re
  import warnings
  from .None import SqlConnection, CsvReadOptions
  from typing import Dict, Optional
  from distutils.version import LooseVersion
  import duckdb
  import pyarrow
  import pyarrow.feather
  import pandas
  import logging
  import uuid
label_desc: Use image node_id 1 to create a new DuckDbConnection object from inherited base classes: SqlConnection with example: obj = DuckDbConnection(connection, fallback, verbose)