mirror of
https://github.com/norohind/SquadsActivityMonitor.git
synced 2025-04-12 13:00:02 +03:00
83 lines
2.7 KiB
Python
83 lines
2.7 KiB
Python
"""
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Script to transfer data from sqlite DB to postgres DB
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"""
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import psycopg2.extensions
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import psycopg2.extras
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import sqlite3
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from model import postgres_sql_requests
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import time
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import config
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insert_pg = """insert into squads_stats_states (action_id, leaderboard_type, platform, squadron_id, score,
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percentile, rank, name, tag, timestamp)
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values
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(%(action_id)s, %(leaderboard_type)s, %(platform)s, %(squadron_id)s, %(score)s,
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%(percentile)s, %(rank)s, %(name)s, %(tag)s, %(timestamp)s);"""
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sqlite_conn: sqlite3.Connection = sqlite3.connect('squads_stat.sqlite3', check_same_thread=False)
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sqlite_conn.row_factory = lambda c, r: dict(zip([col[0] for col in c.description], r))
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pg_conn: psycopg2.extensions.connection = psycopg2.connect(
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user=config.postgres_username,
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password=config.postgres_password,
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host=config.postgres_hostname,
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port=config.postgres_port,
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database=config.postgres_database_name,
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)
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with pg_conn:
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with pg_conn.cursor() as cursor:
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cursor.execute(postgres_sql_requests.schema_create)
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def initial_pull_sqlite_to_postgres() -> None:
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"""
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Function for initial transferring data from sqlite to postgres
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:return:
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"""
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with pg_conn:
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with pg_conn.cursor() as cursor:
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start = time.time()
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insert_statement = ''
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sqlite_content = sqlite_conn.execute('select * from squads_stats_states;').fetchall()
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# for row in sqlite_content:
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# # cursor.execute(insert_pg, row)
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# insert_statement += cursor.mogrify(insert_pg, row).decode('utf-8')
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# print((time.time() - start) * 100, 'ms for creating insert_statement')
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# print('inserting')
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cursor.executemany(insert_pg, sqlite_content)
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# 149619.26856040955 ms total
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print((time.time() - start) * 100, 'ms total')
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def continues_pull_sqlite_to_postgres() -> None:
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"""
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Function to synchronize data from sqlite to postgres table
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:return:
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"""
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with pg_conn:
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with pg_conn.cursor() as cursor:
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cursor: psycopg2.extensions.cursor
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cursor.execute('select action_id from squads_stats_states order by action_id desc limit 1;')
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last_action_id_postgres: int = cursor.fetchone()[0]
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new_records = sqlite_conn.execute('select * from squads_stats_states where action_id > :action_id;',
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{'action_id': last_action_id_postgres}).fetchall()
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cursor.executemany(insert_pg, new_records)
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continues_pull_sqlite_to_postgres()
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pg_conn.close()
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sqlite_conn.close()
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