psycopg2 datetime
Have you red "Psycopg2 usage"? If not, don't hesitate to do so. Warning Never, never, NEVER use Python string concatenation (+) or string parameters interpolation (%) to pass variables to a SQL query string. Not even at gunpoint. Proper way, def insertLocalDB(): # Open a cursor to perform database operations cur = conn.cursor() cur.execute("INSERT INTO test_table (buildingID,datetime) VALUES(%s, now() )", ("01", )) # Make the changes to the database persistant conn.commit
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 psycopg2 datetime 相關參考資料
Basic module usage — Psycopg 2.7.5.dev0 documentation
import psycopg2 # Connect to an existing database >>> conn = psycopg2.connect("dbname=test user=postgres") # Open a cursor to perform database operations ..... The PostgreSQL type ... http://initd.org python - Passing a datetime into psycopg2 - Stack Overflow
Have you red "Psycopg2 usage"? If not, don't hesitate to do so. Warning Never, never, NEVER use Python string concatenation (+) or string parameters interpolation (%) to pass variables ... https://stackoverflow.com psycopg2 - Inserting datetime into database using pyscopg2 and ...
def insertLocalDB(): # Open a cursor to perform database operations cur = conn.cursor() cur.execute("INSERT INTO test_table (buildingID,datetime) VALUES(%s, now() )", ("01", )) # ... https://stackoverflow.com python - psycopg2 selecting timestamp returns datetime.datetime ...
Python's datetime objects are automatically adapted into SQL by psycopg2 , you don't need to stringify them: cursor.execute("INSERT INTO articles VALUES (%s, %s)", (title, datetime_... https://stackoverflow.com python - Psycopg2, selection based on datetime - Stack Overflow
You can specify the values in the query, cur.execute("""SELECT * FROM people_counter WHERE time_stamp BETWEEN date '2015-06-01' and date '2015-06-30';"""... https://stackoverflow.com python - psycopg2 execute returns datetime instead of a string ...
First of all, what did you expect to be returned from a field with a "date" data type? Explicitly, date, and driver obviously performs as expected here. So your task is actually to find out... https://stackoverflow.com python - How to compare dates with psycopg2 (PostgreSQL)? - Stack ...
By using the PostgreSQL Python module psycopg2, I want to find rows that have an end time that falls before some timestamp. I tried to do this with a cursor.execute(…) on a SQL query with … where end_... https://stackoverflow.com python - Datetime syntax error with Psycopg2 - Stack Overflow
q = """ select created_at from mytable t and t.created_at < %(createdat)s """ read.execute(q, 'createdat' : createdat}). Try this way, Psycopg2 will do everyt... https://stackoverflow.com |