def DumpCurrentSchema(cursor: Cursor) -> Text:
"""Dumps current database schema."""
cursor.execute("SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES "
"WHERE table_schema = (SELECT DATABASE())")
defs = []
for table, in sorted(cursor.fetchall()):
cursor.execute("SHOW CREATE TABLE `{}`".format(table))
rows = cursor.fetchall()
defs.append(rows[0][1])
return "\n\n".join(defs)
def _flush_mappings_batch(cur: Cursor, firewall_table: str, msource_id: int,
mappings: Sequence[Tuple[int, str]]) -> None:
"""Flush accumulated mappings batch to Firewall database."""
query = (
f"INSERT INTO {firewall_table}"
f" (MEASUREMENT_SOURCE_ID, ID, NAME, CREATED_BY, CREATED_ON)"
f" VALUES"
) + ','.join(" (" + ', '.join([
str(msource_id),
str(mapping[0]),
_sql_str_lit(mapping[1]),
str(-2), 'CURRENT_TIMESTAMP()'
]) + ")" for mapping in mappings) + (
" ON DUPLICATE KEY UPDATE"
" NAME = VALUES(NAME), MODIFIED_BY = -2, LAST_MODIFIED = CURRENT_TIMESTAMP()"
)
cur.execute(query)
def store_data(cur: Cursor, config: dict, table: str, csv_file: Path):
"""Store data."""
LOGGER.debug('Create Database if not exist')
database = config['mysql']['database']
cur.execute(f"CREATE DATABASE IF NOT EXISTS {database}")
cur.execute(f"USE {database}")
schema = read_schema(csv_file)
types = ', '.join([f'{name} {type}' for name, type in schema])
query_create_table = f"CREATE TABLE IF NOT EXISTS {table} ({types})"
LOGGER.debug('Query> %s', query_create_table)
cur.execute(query_create_table)
LOGGER.debug('Check whether table %r is empty', table)
cur.execute(f'SELECT COUNT(*) FROM {table}')
if data := cur.fetchall()[0][0]:
raise Csv2MysqlError(f'Table {table} is already having {data} rows')
def _update_firewall_db(
*,
cur: Cursor,
log: Logger,
extracted_mappings: Sequence[Mapping[str, int]]
) -> Tuple[Set[int], Set[Tuple[int, int, int]]]:
"""Update firewall DB with the extracted campaign id mappings."""
# map adv entity ids from events to IAS campaign ids
ias_adv_entity_ids_sql = ', '.join(str(v) for v in set(
mapping['ias_adv_entity_id'] for mapping in extracted_mappings
))
query = (
f"SELECT ID, CAMPAIGN_ID"
f" FROM ADV_ENTITY"
f" WHERE ID IN ({ias_adv_entity_ids_sql})"
f" LOCK IN SHARE MODE"
)
log.info("getting IAS campaign ids for adv entities: %s", query)
cur.execute(query)
ias_campaign_ids = {
row[0]: row[1] for row in cur.fetchall()
}
log.info("result (adv entity id/IAS campaign id): %s", ias_campaign_ids)
# load existing campaign mappings
partner_campaign_ids_sql = ', '.join(str(v) for v in set(
mapping['partner_measured_campaign_id'] for mapping in extracted_mappings
))
query = (
f"SELECT ID, CAMPAIGN_ID"
f" FROM PARTNER_MEASURED_CAMPAIGN"
f" WHERE ID IN ({partner_campaign_ids_sql})"
f" AND MEASUREMENT_SOURCE_ID = {MSOURCE_ID}"
f" FOR UPDATE"
)
log.info("getting existing mappings: %s", query)
cur.execute(query)
existing_ias_campaign_ids = {
row[0]: (row[1] if row[1] is not None else None) for row in cur.fetchall()
}
log.info("result (IAS campaign id/partner campaign id): %s", existing_ias_campaign_ids)
# collect exceptions
invalid_ias_adv_entity_ids = set()
overriding_campaign_id_mappings = set()
# update mappings
for mapping in extracted_mappings:
partner_campaign_id = mapping['partner_measured_campaign_id']
ias_adv_entity_id = mapping['ias_adv_entity_id']
ias_campaign_id = ias_campaign_ids.get(ias_adv_entity_id)
existing_ias_campaign_id = existing_ias_campaign_ids.get(partner_campaign_id)
if ias_campaign_id is None:
log.warning("invalid adv entity id %s", ias_adv_entity_id)
invalid_ias_adv_entity_ids.add(ias_adv_entity_id)
elif (
existing_ias_campaign_id is not None
and existing_ias_campaign_id != ias_campaign_id
):
log.warning(
"partner campaign %s is already linked to a different IAS campaign %s",
partner_campaign_id, existing_ias_campaign_id
)
overriding_campaign_id_mappings.add((
partner_campaign_id, existing_ias_campaign_id, ias_campaign_id
))
elif existing_ias_campaign_id == ias_campaign_id:
log.info(
"partner campaign %s is already linked to IAS campaign %s, skipping it",
partner_campaign_id, existing_ias_campaign_id
)
elif partner_campaign_id in existing_ias_campaign_ids:
query = (
f"UPDATE PARTNER_MEASURED_CAMPAIGN"
f" SET CAMPAIGN_ID = {ias_campaign_id}"
f" WHERE ID = {partner_campaign_id}"
f" AND MEASUREMENT_SOURCE_ID = {MSOURCE_ID}"
)
log.info("setting campaign mapping: %s", query)
cur.execute(query)
else:
query = (
f"INSERT INTO PARTNER_MEASURED_CAMPAIGN"
f" (MEASUREMENT_SOURCE_ID, ID, NAME, CAMPAIGN_ID)"
f" VALUES ({MSOURCE_ID}, {partner_campaign_id}"
f", 'DATA NOT RECEIVED', {ias_campaign_id})"
)
log.info("creating new mapping: %s", query)
cur.execute(query)
# return exceptions
return (invalid_ias_adv_entity_ids, overriding_campaign_id_mappings)
def __init__(self, cursor: Cursor):
self.cursor = cursor
cursor.execute('SET NAMES utf8;')
cursor.execute('SET CHARACTER SET utf8;')
cursor.execute('SET character_set_connection=utf8;')
def GetLatestMigrationNumber(cursor: Cursor) -> int:
"""Returns the number of the latest migration done."""
cursor.execute("SELECT MAX(migration_id) FROM _migrations")
rows = cursor.fetchall()
return rows[0][0]