def create_tables(mb_conn):
"""
Create tables needed to create the recording artist pairs. First
is the temp table that the results will be stored in (in order
to not conflict with the production version of this table).
Second its format sort table to enables us to sort releases
according to preferred format, release date and type. Finally
a stats table is created if it doesn't exist.
"""
# drop/create finished table
try:
with mb_conn.cursor() as curs:
curs.execute("DROP TABLE IF EXISTS mapping.tmp_recording_artist_credit_pairs")
curs.execute("""CREATE TABLE mapping.tmp_recording_artist_credit_pairs (
recording_name TEXT NOT NULL,
recording_id INTEGER NOT NULL,
artist_credit_name TEXT NOT NULL,
artist_credit_id INTEGER NOT NULL,
release_name TEXT NOT NULL,
release_id INTEGER NOT NULL)""")
curs.execute("DROP TABLE IF EXISTS mapping.tmp_recording_pair_releases")
curs.execute("""CREATE TABLE mapping.tmp_recording_pair_releases (
id SERIAL,
release INTEGER)""")
create_formats_table(mb_conn)
create_stats_table(curs)
mb_conn.commit()
except (psycopg2.errors.OperationalError, psycopg2.errors.UndefinedTable) as err:
log("failed to create recording pair tables", err)
mb_conn.rollback()
raise
def create_tables(mb_conn):
"""
Create tables needed to create the year mapping. First
is the temp table that the results will be stored in (in order
to not conflict with the production version of this table).
Second its format sort table to enables us to sort releases
according to preferred format, release date and type.
"""
# drop/create finished table
try:
with mb_conn.cursor() as curs:
curs.execute("DROP TABLE IF EXISTS mapping.tmp_year_mapping")
curs.execute("""CREATE TABLE mapping.tmp_year_mapping (
recording_name TEXT NOT NULL,
artist_credit_name TEXT NOT NULL,
year INTEGER)""")
curs.execute("DROP TABLE IF EXISTS mapping.tmp_year_mapping_release")
curs.execute("""CREATE TABLE mapping.tmp_year_mapping_release (
id SERIAL,
release INTEGER)""")
create_formats_table(mb_conn)
mb_conn.commit()
except (OperationalError, UndefinedTable) as err:
log("year mapping: failed to create recording pair year tables", err)
mb_conn.rollback()
raise
def create_tables(mb_conn):
"""
Create tables needed to create the recording artist pairs. First
is the temp table that the results will be stored in (in order
to not conflict with the production version of this table).
Second its format sort table to enables us to sort releases
according to preferred format, release date and type.
"""
# drop/create finished table
try:
with mb_conn.cursor() as curs:
curs.execute("DROP TABLE IF EXISTS mapping.tmp_mbid_mapping")
curs.execute("""CREATE TABLE mapping.tmp_mbid_mapping (
id SERIAL,
artist_credit_id INT NOT NULL,
artist_mbids UUID[] NOT NULL,
artist_credit_name TEXT NOT NULL,
release_mbid UUID NOT NULL,
release_name TEXT NOT NULL,
recording_mbid UUID NOT NULL,
recording_name TEXT NOT NULL,
combined_lookup TEXT NOT NULL,
score INTEGER NOT NULL)""")
curs.execute(
"DROP TABLE IF EXISTS mapping.tmp_mbid_mapping_releases")
curs.execute("""CREATE TABLE mapping.tmp_mbid_mapping_releases (
id SERIAL,
release INTEGER)""")
create_formats_table(mb_conn)
mb_conn.commit()
except (psycopg2.errors.OperationalError, psycopg2.errors.UndefinedTable) as err:
log("mbid mapping: failed to mbid mapping tables", err)
mb_conn.rollback()
raise
def create_tables(mb_conn):
# drop/create finished table from MB
try:
with mb_conn.cursor() as curs:
curs.execute("DROP TABLE mapping.recording_artist_credit_pairs")
mb_conn.commit()
except psycopg2.errors.UndefinedTable as err:
mb_conn.rollback()
try:
with mb_conn.cursor() as curs:
curs.execute(CREATE_RECORDING_PAIRS_TABLE_QUERY)
curs.execute("ALTER TABLE mapping.recording_artist_credit_pairs OWNER TO musicbrainz")
mb_conn.commit()
except OperationalError as err:
print("failed to create recording pair table")
mb_conn.rollback()
# Drop/create temp table from MB DB
try:
with mb_conn.cursor() as curs:
curs.execute("DROP TABLE mapping.recording_pair_releases")
mb_conn.commit()
except psycopg2.errors.UndefinedTable as err:
mb_conn.rollback()
try:
with mb_conn.cursor() as curs:
curs.execute(CREATE_RECORDING_PAIR_RELEASES_TABLE_QUERY)
curs.execute("ALTER TABLE mapping.recording_pair_releases OWNER TO musicbrainz")
mb_conn.commit()
except OperationalError as err:
print("failed to create recording pair releases table")
mb_conn.rollback()
try:
create_formats_table(mb_conn)
except (psycopg2.errors.OperationalError, psycopg2.errors.UndefinedTable) as err:
print("failed to create recording pair releases table")
mb_conn.rollback()