converted examples to use named bind variables instead of positional

Author: OsBlaineOra

python/CRUD-examples/delete/handle_pets.py

@@ -27,8 +27,8 @@ def get_all_rows(label, data_type='people'):
 
 cur = con.cursor()
 
-statement = 'update lcs_pets set owner = :1 where owner = :2'
-cur.execute(statement, (2, 1))
+statement = 'update lcs_pets set owner = :new_owner where owner = :old_owner'
+cur.execute(statement, {'new_owner':2, 'old_owner':1})
 
 statement = 'delete from lcs_people where id = :id'
 cur.execute(statement, {'id':1})

python/CRUD-examples/delete/reset_data.py

@@ -29,29 +29,27 @@
 cur.execute(statement)
 
 # Insert default rows
-rows = [(1, 'Bob', 35, 'I like dogs'),
-        (2, 'Kim', 27, 'I like birds'),
-        (3, 'Cheryl', 23, 'I like horses'),
-        (4, 'Bob', 27, 'I like rabbits'),
-        (5, 'Stacey', 45, 'I like snakes'),
-        (6, 'Pete', 23, 'I like cats'),
-        (7, 'Pat', 36, 'I like dogs')]
+rows = [{'id':1, 'name':'Bob', 'age':35, 'notes':'I like dogs'},
+        {'id':2, 'name':'Kim', 'age':27, 'notes':'I like birds'},
+        {'id':3, 'name':'Cheryl', 'age':23, 'notes':'I like horses'},
+        {'id':4, 'name':'Bob', 'age':27, 'notes':'I like rabbits'},
+        {'id':5, 'name':'Stacey', 'age':45, 'notes':'I like snakes'},
+        {'id':6, 'name':'Pete', 'age':23, 'notes':'I like cats'},
+        {'id':7, 'name':'Pat', 'age':36, 'notes':'I like dogs'}]
 cur.bindarraysize = 2
-cur.setinputsizes(int, 20, int, 100)
-cur.executemany("insert into lcs_people(id, name, age, notes) values (:1, :2, :3, :4)", rows)
+cur.executemany("insert into lcs_people(id, name, age, notes) values (:id, :name, :age, :notes)", rows)
 con.commit()
 
 # Insert default rows
-rows = [(1, 'Duke', 1, 'dog'),
-        (2, 'Dragon', 2, 'bird'),
-        (3, 'Sneaky', 5, 'snake'),
-        (4, 'Red', 2, 'bird'),
-        (5, 'Red', 3, 'horse'),
-        (6, 'Buster', 1, 'dog'),
-        (7, 'Fido', 7, 'cat')]
+rows = [{'id':1, 'name':'Duke', 'owner':1, 'type':'dog'},
+        {'id':2, 'name':'Dragon', 'owner':2, 'type':'bird'},
+        {'id':3, 'name':'Sneaky', 'owner':5, 'type':'snake'},
+        {'id':4, 'name':'Red', 'owner':2, 'type':'bird'},
+        {'id':5, 'name':'Red', 'owner':3, 'type':'horse'},
+        {'id':6, 'name':'Buster', 'owner':1, 'type':'dog'},
+        {'id':7, 'name':'Fido', 'owner':7, 'type':'cat'}]
 cur.bindarraysize = 2
-cur.setinputsizes(int, 20, int, 100)
-cur.executemany("insert into lcs_pets (id, name, owner, type) values (:1, :2, :3, :4)", rows)
+cur.executemany("insert into lcs_pets (id, name, owner, type) values (:id, :name, :owner, :type)", rows)
 con.commit()
 
 cur.close()

python/CRUD-examples/insert/extra_fun_1.py

@@ -22,9 +22,9 @@ def get_all_rows(label):
 get_all_rows('Original Data')
 
 cur = con.cursor()
-statement = 'insert into lcs_people(name, age, notes) values (:2, :3, :4)'
-cur.execute(statement, ('Cheryl', 41, 'I like monkeys'))
-cur.execute(statement, ('Rob', 37, 'I like snakes'))
+statement = 'insert into lcs_people(name, age, notes) values (:name, :age, :notes)'
+cur.execute(statement, {'name':'Cheryl', 'age':41, 'notes':'I like monkeys'})
+cur.execute(statement, {'name':'Rob', 'age':37, 'notes':'I like snakes'})
 con.commit()
 
 get_all_rows('New Data')

python/CRUD-examples/insert/extra_fun_2.py

@@ -26,8 +26,8 @@ def get_all_rows(label, connection): # << Modified original get_all_rows(label)
 con2 = cx_Oracle.connect(connectString)
 
 cur = con.cursor()
-statement = 'insert into lcs_people(name, age, notes) values (:2, :3, :4)'
-cur.execute(statement, ('Suzy', 31, 'I like rabbits'))
+statement = 'insert into lcs_people(name, age, notes) values (:name, :age, :notes)'
+cur.execute(statement, {'name':'Suzy', 'age':31, 'notes':'I like rabbits'})
 
 get_all_rows('New connection after insert', con2)
 get_all_rows('Same connection', con)

python/CRUD-examples/insert/extra_fun_3.py

@@ -26,8 +26,8 @@ def get_all_rows(label):
 new_id = cur.var(cx_Oracle.NUMBER)
 new_name = cur.var(cx_Oracle.STRING)
 
-statement = 'insert into lcs_people(name, age, notes) values (:1, :2, :3) returning id, name into :4, :5'
-cur.execute(statement, ('Sandy', 31, 'I like horses', new_id, new_name))
+statement = 'insert into lcs_people(name, age, notes) values (:name, :age, :notes) returning id, name into :new_id, :new_name'
+cur.execute(statement, {'name':'Sandy', 'age':31, 'notes':'I like horses', 'new_id':new_id, 'new_name':new_name})
 
 sandy_id = new_id.getvalue()
 sandy_name = new_name.getvalue()

python/CRUD-examples/insert/multiple.py

@@ -21,11 +21,10 @@ def get_all_rows(label):
 
 get_all_rows('Original Data')
 
-rows = [('Sandy', 31, 'I like horses'), ('Suzy', 29, 'I like rabbits')]
+rows = [{'name':'Sandy', 'age':31, 'notes':'I like horses'}, {'name':'Suzy', 'age':29, 'notes':'I like rabbits'}]
 cur = con.cursor()
 cur.bindarraysize = 2
-cur.setinputsizes(20, int, 100)
-statement = 'insert into lcs_people(name, age, notes) values (:1, :2, :3)'
+statement = 'insert into lcs_people(name, age, notes) values (:name, :age, :notes)'
 cur.executemany(statement, rows)
 con.commit()
 

python/CRUD-examples/insert/reset_data.py

@@ -29,17 +29,15 @@
 cur.execute(statement)
 
 # Insert default rows
-rows = [(1, 'Bob', 35, 'I like dogs'), (2, 'Kim', 27, 'I like birds')]
+rows = [{'id':1, 'name':'Bob', 'age':35, 'notes':'I like dogs'}, {'id':2, 'name':'Kim', 'age':27, 'notes':'I like birds'}]
 cur.bindarraysize = 2
-cur.setinputsizes(int, 20, int, 100)
-cur.executemany("insert into lcs_people(id, name, age, notes) values (:1, :2, :3, :4)", rows)
+cur.executemany("insert into lcs_people(id, name, age, notes) values (:id, :name, :age, :notes)", rows)
 con.commit()
 
 # Insert default rows
-rows = [(1, 'Duke', 1, 'dog'), (2, 'Pepe', 2, 'bird')]
+rows = [{'id':1, 'name':'Duke', 'owner':1, 'type':'dog'}, {'id':2, 'name':'Pepe', 'owner':2, 'type':'bird'}]
 cur.bindarraysize = 2
-cur.setinputsizes(int, 20, int, 100)
-cur.executemany("insert into lcs_pets (id, name, owner, type) values (:1, :2, :3, :4)", rows)
+cur.executemany("insert into lcs_pets (id, name, owner, type) values (:id, :name, :owner, :type)", rows)
 con.commit()
 
 cur.close()

python/CRUD-examples/insert/return_data.py

@@ -26,13 +26,13 @@ def get_all_rows(label):
 
 new_id = cur.var(cx_Oracle.NUMBER)
 
-statement = 'insert into lcs_people(name, age, notes) values (:1, :2, :3) returning id into :4'
-cur.execute(statement, ('Sandy', 31, 'I like horses', new_id))
+statement = 'insert into lcs_people(name, age, notes) values (:name, :age, :notes) returning id into :new_id'
+cur.execute(statement, {'name':'Sandy', 'age':31, 'notes':'I like horses', 'new_id':new_id})
 
 sandy_id = new_id.getvalue()
 
-pet_statement = 'insert into lcs_pets (name, owner, type) values (:1, :2, :3)'
-cur.execute(pet_statement, ('Big Red', sandy_id, 'horse'))
+pet_statement = 'insert into lcs_pets (name, owner, type) values (:name, :owner, :type)'
+cur.execute(pet_statement, {'name':'Big Red', 'owner':sandy_id, 'type':'horse'})
 
 con.commit()
 

python/CRUD-examples/insert/simple.py

@@ -21,8 +21,8 @@ def get_all_rows(label):
 get_all_rows('Original Data')
 
 cur = con.cursor()
-statement = 'insert into lcs_people(name, age, notes) values (:2, :3, :4)'
-cur.execute(statement, ('Sandy', 31, 'I like horses'))
+statement = 'insert into lcs_people(name, age, notes) values (:name, :age, :notes)'
+cur.execute(statement, {'name':'Sandy', 'age':31, 'notes':'I like horses'})
 con.commit()
 
 get_all_rows('New Data')

python/CRUD-examples/reset_data.py

@@ -20,17 +20,15 @@
 cur.execute(statement)
 
 # Insert default rows
-rows = [(1, 'Bob', 35, 'I like dogs'), (2, 'Kim', 27, 'I like birds')]
+rows = [{'id':1, 'name':'Bob', 'age':35, 'notes':'I like dogs'}, {'id':2, 'name':'Kim', 'age':27, 'notes':'I like birds'}]
 cur.bindarraysize = 2
-cur.setinputsizes(int, 20, int, 100)
-cur.executemany("insert into lcs_people(id, name, age, notes) values (:1, :2, :3, :4)", rows)
+cur.executemany("insert into lcs_people(id, name, age, notes) values (:id, :name, :age, :notes)", rows)
 con.commit()
 
 # Insert default rows
-rows = [(1, 'Duke', 1, 'dog'), (2, 'Pepe', 2, 'bird')]
+rows = [{'id':1, 'name':'Duke', 'owner':1, 'type':'dog'}, {'id':2, 'name':'Pepe', 'owner':2, 'type':'bird'}]
 cur.bindarraysize = 2
-cur.setinputsizes(int, 20, int, 100)
-cur.executemany("insert into lcs_pets (id, name, owner, type) values (:1, :2, :3, :4)", rows)
+cur.executemany("insert into lcs_pets (id, name, owner, type) values (:id, :name, :owner, :type)", rows)
 con.commit()
 
 cur.close()