oman36

from collections import (
    defaultdict,
    deque,
)


def dag_as_mermaid(dag) -> str:
    """
    Makes a Mermaid flowchart from Apache Aiflow DAG.

oman36

CREATE TABLE posts_stats_new
(
    effective_from TIMESTAMP,
    effective_to TIMESTAMP,
    post_id INTEGER,
    views INTEGER,
    likes INTEGER,
    shares INTEGER,
    PRIMARY KEY (effective_from, post_id)
);