import duckdb
import os
import json

DUCKDB_PATH = 'analytics.duckdb'

def verify_zero_tenant():
    conn = duckdb.connect(DUCKDB_PATH)
    try:
        conn.execute("SET s3_region='sgp1';")
        conn.execute("SET s3_endpoint='sgp1.digitaloceanspaces.com';")
        conn.execute("SET s3_url_style='path';")
        s3_path = 's3://nearle/parquet/deliveries/*.parquet'
        conn.execute(f"CREATE OR REPLACE VIEW deliveries AS SELECT * FROM read_parquet('{s3_path}', union_by_name = true)")
        
        # Check values distribution for tenantname
        res = conn.execute("SELECT tenantname, COUNT(*) FROM deliveries GROUP BY 1 ORDER BY 2 DESC LIMIT 10").df()
        print(res)
        
    except Exception as e:
        print("Error:", e)
    finally:
        conn.close()

if __name__ == "__main__":
    verify_zero_tenant()