WebJan 13, 2024 · 7. Converting List Into a Dictionary Using Dictionary Comprehension. By using dictionary comprehension, we can convert a list of keys to a dictionary having the same value. d1={k:"a" for k in l1} It will … WebNov 6, 2012 · you can use list () to convert pymongo cursor to json object. import pymongo from bson.json_util import dumps from bson.json_util import loads connection = pymongo.Connection ("localhost", 27017) db = connection.mydocs def get (): cursor = list (db.foo.find ( {"name" : "bar"})) return loads (dumps (cursor)) Share Improve this answer …
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WebIn order to execute SQL statements and fetch results from SQL queries, we will need to use a database cursor. Call con.cursor () to create the Cursor: cur = con.cursor() Now that we’ve got a database connection and a cursor, we can create a database table movie with columns for title, release year, and review score. WebJul 15, 2024 · cursor.execute ("your SQL Statement") column_Names = cursor.description result = [ {columns [index] [0]: column for index, column in enumerate (value)} for value in cursor.fetchall ()] Share Improve this answer Follow edited Jul 13, 2024 at 12:11 buddemat 4,086 13 25 48 answered Jul 12, 2024 at 14:04 SaaB 31 4
WebPYTHON : How to convert a pymongo.cursor.Cursor into a dict?To Access My Live Chat Page, On Google, Search for "hows tech developer connect"Here's a secret f... WebMay 14, 2024 · def output_type_handler (cursor, name, default_type, size, precision, scale): if default_type == cx_Oracle.DB_TYPE_CLOB: return cursor.var (cx_Oracle.DB_TYPE_LONG, arraysize=cursor.arraysize) if default_type == cx_Oracle.DB_TYPE_BLOB: return cursor.var (cx_Oracle.DB_TYPE_LONG_RAW, …
WebMay 12, 2013 · cursor.execute("SELECT sys.objects.name, sys.columns.name FROM sys.objects INNER JOIN sys.columns ON sys.objects.object_id = sys.columns. object_id WHERE sys.objects.type = 'U';") schema = {} for it in cursor.fetchall(): if it[0] in schema: … WebApr 19, 2024 · You should do that if you need to reuse the cursor and have a good reason not to use rewind () Demo using find: >>> import pymongo >>> conn = …
WebApr 19, 2024 · mariadb_connection = mariadb.connect (user='user', password='pass', database='mydb') cursor = mariadb_connection.cursor () cursor.execute ("SELECT id, name FROM songs") rows = cursor.fetchall () dic = { t [0]: t [1:] for t in rows } Of course, for this to work correctly values in id must be unique. Share Improve this answer Follow
WebApr 10, 2024 · To convert a list to dictionary, we can use list comprehension and make a key:value pair of consecutive elements. Finally, typecase the list to dict type. Python3 … difference between summit and symposiumWebFeb 12, 2013 · cursor = connnect_db () query = "SELECT * FROM `tbl`" cursor.execute (query) result = cursor.fetchall () //result = (1,2,3,) or result = ( (1,3), (4,5),) final_result = [i [0] for i in result] Additionally, the last two lines can be combined into: final_result = [i [0] for i in cursor.fetchall ()] Share Improve this answer Follow formal business letter template wordWebThe Python. Cursor. Class. The Cursor class represents a cursor to iterate through instances of a specified class, the result set of a find/search operation, or the result set … difference between summit and summit reserveWebJul 20, 2010 · from django.db import connection sql = 'SELECT to_json (result) FROM (SELECT * FROM TABLE table) result)' with connection.cursor () as cursor: cursor.execute (sql) output = cursor.fetchall () a table like: id, value ---------- 1 3 2 7 will return a Python JSON Object [ {"id": 1, "value": 3}, {"id":2, "value": 7}] difference between summer and winter solsticeWebMay 26, 2024 · First, we will convert the Cursor to the list of dictionary. list_cur = list (cursor) Now, converting the list_cur to the JSON using the method dumps () from bson.json_util. json_data = dumps (list_cur) You can now save it to the file or can use it in the program using loads () function. Below is the implementation. formal business planWebSep 28, 2024 · The first thing we want to do is zip the column and rows, i.e. combine them into one thing. [ (zip ( [key for key in columns], row)) for row in table] However, this just gives us a list of zip... difference between sumproduct and sumifWebAlways good answers here, but in Python 3, you should write the following: placeholder = ", ".join ( ["%s"] * len (dict)) stmt = "insert into ` {table}` ( {columns}) values ( {values});".format (table=table_name, columns=",".join (dict.keys ()), values=placeholder) cur.execute (stmt, list (dict.values ())) difference between sun and fire breathing