I am attempting to run a SQL query on an oracle database like so:
import cx_Oracle as cx
import pandas as pd
un = "my username"
pw = "my password"
db = "database name"
lookup = "1232DX%"
myconn = cx.connect(un, pw, db)
cursor = myconn.cursor()
qry = """SELECT *
FROM tableX
WHERE tableX.code LIKE '1232DX%'"""
qry.df = pd.read_sql(qry, con = myconn)
myconn.close()
My issue is that it is redundant to define lookup before the query and use the value in the query itself. I would like to just be able to type
WHERE tableX.code LIKE lookup
and have the value 1232DX% substituted into my query.
I imagine there is a straightforward way to do this in Python, but I am hardly an expert so I thought I would ask someone here. All suggestions are welcome. If there is a better way to do this than what I have shown please include it. Thank you in advance.
You use the same syntax as when passing parameters to cursor.execute().
qry = """SELECT *
FROM tableX
WHERE tableX.code LIKE :pattern"""
qry.df = pd.read_sql(qry, con = myconn, params={":pattern": lookup})