postgresql, Rows, INSERT INTO
INSERT INTO table_name(column1, column2, …)
VALUES (value1, value2, …)
RETURNING *;Code language: SQL (Structured Query Language) (sql)postgresql, Rows, INSERT INTO
INSERT INTO table_name(column1, column2, …)
VALUES (value1, value2, …)
RETURNING *;Code language: SQL (Structured Query Language) (sql)insert record into table postgresql
try:
connection = psycopg2.connect(**postgres_credentials())
cursor = connection.cursor()
records = [(1,'FOO'),(2,'SPAM')]
placeholders = ','.join(['%s']*len(records)) # => '%s,%s'
sql = f"""
INSERT INTO schema.table(id, field)
VALUES {placeholders}
"""
# Mogrify helpful to debug command sent to DB bc transforms command into human readable form.
# It's not necessary. Could just use executemany, but slower & harder to debug command as SO suggests.
insert_statement = cursor.mogrify(sql, records)
# print(insert_statement.decode('utf-8'))
cursor.execute(insert_statement)
# cursor.executemany(sql, records) # SLOW bc executes and commits each record one at a time.
# print(cursor.mogrify(sql, records).decode('utf-8'))
connection.commit()
except psycopg2.DatabaseError:
raise
finally:
if not connection.closed:
cursor.close()
connection.close()Copyright © 2021 Codeinu
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