diff --git a/mysql/examples/dbtrainer0 b/mysql/examples/dbtrainer0 index 74be9bf..e560925 100644 --- a/mysql/examples/dbtrainer0 +++ b/mysql/examples/dbtrainer0 @@ -1,4 +1,4 @@ -#!/usr/bin/python +#!/usr/bin/ __version__ = "$Revision$"[11:-2] @@ -6,19 +6,19 @@ __version__ = "$Revision$"[11:-2] # Original credits follow. This is a nice introduction in general, # but I felt there were a few bits and pieces that needs to be cleaned up. -# TITLE: dbtrainer0 -# WRITTEN BY: Bradley Stec, July 1999 +# TITLE: +# WRITTEN BY: Bradley Stec, July # RuleSpace, Inc. -# SUPPORTS: WebOps Database Interface Trainer Script -# PURPOSE: This script is an code and output example of how to use the -# MySQLdb API to communicate with a database and perform basic +# SUPPORTS: WebOps Database Interface Trainer +# PURPOSE: This script is an code and output example of how to use +# MySQLdb API to communicate with a database and perform # SQL queries. # FUNCTION: Both by executing the script and by reading the source code, -# a programmer should be able to get a grasp on how the interface +# a programmer should be able to get a grasp on how the # works and may borrow code for their own script projects. -# REQUIREMENTS: This script requires the access to the webops module, and that a +# REQUIREMENTS: This script requires the access to the webops module, and that # database named "TEST" be installed in the webops specified -# database server. The contents of the test database can be created +# database server. The contents of the test database can be # using the following SQL command sets. # # CREATE TABLE COLORS ( @@ -59,16 +59,16 @@ __version__ = "$Revision$"[11:-2] # INSERT INTO TEAM VALUES (3,'Brittney','McChristy','The Data Diva','blue',NOW(),NOW()); # INSERT INTO TEAM VALUES (4,'Fuzzy','Logic','The Logic Bunny','cyan',NOW(),NOW()); # -# CHANGES: 7/99 Initial Version +# CHANGES: 7/99 Initial -import sys -#import webops -import traceback -sys.stderr = sys.stdout +import +#import +import +sys.stderr = sys. -# Set Up Page Layout +# Set Up Page print "content-type: text/html" -print + print "\n" print "\n" print "RuleSpace, Inc. WebOps Database Interface Trainer - Part 0
" @@ -76,22 +76,22 @@ print "The purpose of this page is to present sample code for interfacing with t print "By viewing the CGI script which presents the information below you'll be able to see how the database interface and API works within the WebOps scripting environment.

" print "

" -# Loading The API Support -# The API MySQLdb is a thin wrapper around a C program which is also in the site-packages directory called _mysqlmodule.so -# The API follows the Python Database API Spec version 2.0 which basically sets standards for what kind of methods will be -# used to access databases within the Python environment. The _mysqlmodule.so and MySQLdb.py programs allow a programmer -# to pass SQL commands/queries through to a database. The database server may be remote or local. The MySQL database server -# software doesn't provide an interactive cursor, so the API programs create a "cursor" in local memory. Read the Python +# Loading The API +# The API MySQLdb is a thin wrapper around a C program which is also in the site-packages directory called _mysqlmodule. +# The API follows the Python Database API Spec version 2.0 which basically sets standards for what kind of methods will +# used to access databases within the Python environment. The _mysqlmodule.so and MySQLdb.py programs allow a +# to pass SQL commands/queries through to a database. The database server may be remote or local. The MySQL database +# software doesn't provide an interactive cursor, so the API programs create a "cursor" in local memory. Read the # Database API Spec version 2.0 for details. -# This command loads the support files -import MySQLdb +# This command loads the support +import # PREPARE TO CONNECT TO DATABASE # This command forms a connection through the support files to the target database server and database name. try: # Note: most of these keyword values have reasonable defaults. - # The following line with probably also work, depending on your + # The following line with probably also work, depending on # MySQL configuration: WebOpsDB = MySQLdb.Connect(db='test') #WebOpsDB = MySQLdb.Connection(host=webops.dbserver,user=webops.dbuser,passwd=webops.dbpass,db='test',port=3306,unix_socket="") @@ -100,7 +100,7 @@ except: traceback.print_exc() sys.exit() -# A LITTLE BONUS INFORMATION FROM THE API +# A LITTLE BONUS INFORMATION FROM THE # The API can provide some information about the connection and server. # These functions are not portable to other databases. print "CONNECTED TO
" @@ -109,9 +109,9 @@ print "    running mySQL server v", WebOpsDB.get_server_i print "    current status: ",WebOpsDB.stat(), "

" print "

" -# CREATE YOUR PERSONAL CONNECTION TO THE "RESULTS" WITHIN THE CONNECTION OBJECT +# CREATE YOUR PERSONAL CONNECTION TO THE "RESULTS" WITHIN THE CONNECTION # We haven't actually queried anything yet, so don't get confused, we're just preparing for it. -# A cursor is a "result set" holding object. The API creates a "cursor" object complete with a set of +# A cursor is a "result set" holding object. The API creates a "cursor" object complete with a set # methods for executing query results into it. try: cursor = WebOpsDB.cursor() @@ -120,7 +120,7 @@ except: traceback.print_exc() sys.exit() -# PERFORM A QUERY +# PERFORM A # The cursor object is a Python class object. In it, we can specify a query. Below we query the TEAM table from the # WebOpsDB object by referring to our new "cursor" object. try: @@ -130,17 +130,17 @@ except: traceback.print_exc() sys.exit() -# STORE THE RESULTS INTO A LOCALLY CONTROLLED MEMORY LOCATION +# STORE THE RESULTS INTO A LOCALLY CONTROLLED MEMORY # Two things just came from our query: 1) a description of the table structure and 2) a result set stored in the API cursor. -# The API "cursor" must be "consumed" by your script to get the results out. Therefore its a good idea to store the results +# The API "cursor" must be "consumed" by your script to get the results out. Therefore its a good idea to store the # into a local variable. The results will become a nicely formatted Python list data type. If you don't store it locally, # you'll need to requery the database every time you need the data again. -# 1) THE TABLE STRUCTURE +# 1) THE TABLE # The cursor.description attribute will provide a Python list data type representation of the field structure. # In the example below we use the for loop to travel through the list and read the first element of each list. -# 2) THE RESULT SET +# 2) THE RESULT # The result set can be completely fetched into one list data type. try: resultSet = cursor.fetchall() @@ -149,19 +149,19 @@ except: traceback.print_exc() sys.exit() -# AND NOW YOU CAN SEE RESULTS +# AND NOW YOU CAN SEE # Now you can take your information and present it. print "EXAMPLES OF USING THE SELECT SQL COMMAND.

" print "QUERY OF TEAM TABLE
" print "(" -# The Table Field Names +# The Table Field for cursorFieldname in cursor.description: print cursorFieldname[0]+"," print ")" print "
" -# The Result Set +# The Result for cursorRecord in resultSet: - print cursorRecord + print print "
" print "

" @@ -174,14 +174,14 @@ for cursorRecord in resultSet: print "" for cursorField in cursorRecord: print "" - print cursorField + print print "" print "" print "" print "" print " 

" -# HERE'S ANOTHER TABLE +# HERE'S ANOTHER try: cursor.execute("SELECT * FROM COLORS") except: @@ -198,11 +198,11 @@ print "
" # The values are loaded into the object 'resultSet' resultSet = cursor.fetchall() for cursorRecord in resultSet: - print cursorRecord + print print "
" print " 
" -# Display Query Results In Columns +# Display Query Results In print "same results in very nicely formatted columns:
" print "" for cursorFieldname in cursor.description: @@ -212,15 +212,15 @@ for cursorRecord in resultSet: print "" for cursorField in cursorRecord: print "" print "" print "
" - print cursorField + print print "
" print "" print " 

" -# NOW WE CAN SEE HOW TO COMBINE KEYED TABLES -# The following query uses standard SQL commands to join the two databases together and produce a list of each of the team's +# NOW WE CAN SEE HOW TO COMBINE KEYED +# The following query uses standard SQL commands to join the two databases together and produce a list of each of the team' # favorite colors. try: cursor.execute("SELECT TEAM.FIRST_NAME,TEAM.LAST_NAME,TEAM.FAV_COLOR,COLORS.PRIME_COLOR FROM TEAM,COLORS WHERE TEAM.FAV_COLOR = COLORS.COLOR") @@ -242,14 +242,14 @@ for cursorRecord in resultSet: print "" for cursorField in cursorRecord: print "" - print cursorField + print print "" print "" print "" print "" print "

" -# CLOSING THE DATABASE OBJECT +# CLOSING THE DATABASE try: WebOpsDB.close() except: @@ -257,10 +257,10 @@ except: traceback.print_exc() sys.exit() -# CONTINUED IN DBTRAINER1 -# To learn more about inserting records, and performing other SQL functions review +# CONTINUED IN +# To learn more about inserting records, and performing other SQL functions # dbtrainer1. -# END YOUR HTML PAGE +# END YOUR HTML print "\n" print "\n" diff --git a/mysql/examples/dbtrainer1 b/mysql/examples/dbtrainer1 index 7483c1e..6057240 100644 --- a/mysql/examples/dbtrainer1 +++ b/mysql/examples/dbtrainer1 @@ -52,7 +52,7 @@ import MySQLdb # This command forms a connection through the support files to the target database server and database name. try: #WebOpsDB = MySQLdb.Connection(host=webops.dbserver,user=webops.dbuser,passwd=webops.dbpass,db='test',port=3306,unix_socket="") - WebOpsDB = MySQL.Connect(db='test') + WebOpsDB = MySQLdb.Connect(db='test') except: print "\n\n

"
         traceback.print_exc()
diff --git a/mysql/examples/dbtrainer4 b/mysql/examples/dbtrainer4
index f9654e7..8b3ec19 100644
--- a/mysql/examples/dbtrainer4
+++ b/mysql/examples/dbtrainer4
@@ -23,7 +23,7 @@ __version__ = "$Revision$"[11:-2]
 # CHANGES:	7/99	Initial Version
 
 import sys
-import webops
+#import webops
 import traceback
 sys.stderr = sys.stdout