code: def dump_db_schema(db_url, dst_file):
      engine = sqlalchemy.create_engine(db_url)
      created_tables_metadata = MetaData()
      created_tables_metadata.reflect(bind=engine)
      # Write out table schema as described in
      # https://docs.sqlalchemy.org/en/13/faq/
      # metadata_schema.html#how-can-i-get-the-create-table-drop-table-output-as-a-string
      lines = []
      for ti in created_tables_metadata.sorted_tables:
          for line in str(CreateTable(ti)).splitlines():
              lines.append(line.rstrip() + "\n")
      schema = "".join(lines)
      with open(dst_file, "w") as handle:
          handle.write(schema)
  
imports: import os
  import sys
  import tempfile
  import sqlalchemy
  from sqlalchemy.schema import CreateTable, MetaData
  from mlflow.store.tracking.sqlalchemy_store import SqlAlchemyStore
label_desc: Use image node_id 1 for calling a global function with example usage: dump_db_schema(db_url, dst_file) without return types