code: def generate_table(
      meta: sa.MetaData, min_cols, max_cols, dialect_name
  ):
      col_number = random.randint(min_cols, max_cols)
      table_num = len(meta.tables)
      add_identity = random.random() > 0.90
      identity = sa.Identity(
          always=random.randint(0, 1),
          start=random.randint(1, 100),
          increment=random.randint(1, 7),
      )
      is_mssql = dialect_name == "mssql"
      cols = []
      for i in range(col_number - (0 if is_mssql else add_identity)):
          args = []
          if random.random() < 0.99 or table_num == 0:
              if is_mssql and add_identity and i == 0:
                  args.append(sa.Integer)
                  args.append(identity)
              else:
                  args.append(random.choice(types))
          else:
              target = random.randint(0, table_num - 1)
              args.append(
                  sa.ForeignKey(f"table_{target}.table_{target}_col_1")
              )
          cols.append(
              sa.Column(
                  f"table_{table_num}_col_{i + 1}",
                  *args,
                  primary_key=i == 0,
                  comment=f"primary key of table_{table_num}"
                  if i == 0
                  else None,
                  index=random.random() > 0.97 and i > 0,
                  unique=random.random() > 0.97 and i > 0,
              )
          )
      if add_identity and not is_mssql:
          cols.append(
              sa.Column(
                  f"table_{table_num}_col_{col_number}",
                  sa.Integer,
                  identity,
              )
          )
      args = ()
      if table_num % 3 == 0:
          # mysql can't do check constraint on PK col
          args = (sa.CheckConstraint(cols[1].is_not(None)),)
      return sa.Table(
          f"table_{table_num}",
          meta,
          *cols,
          *args,
          comment=f"comment for table_{table_num}"
          if table_num % 2
          else None,
      )
  
imports: from argparse import ArgumentDefaultsHelpFormatter
  from argparse import ArgumentParser
  from collections import defaultdict
  from contextlib import contextmanager
  from functools import wraps
  from pprint import pprint
  import random
  import time
  import sqlalchemy
  from sqlalchemy.engine import Inspector
label_desc: Use image node_id 1 for calling a global function with example usage: generate_table(meta, min_cols, max_cols, dialect_name) and returns: sa