remove python module, as its moved to http://www.pygresql.org

4 files changed, 0 insertions, 848 deletions

diff --git a/src/interfaces/python/tutorial/advanced.py b/src/interfaces/python/tutorial/advanced.py
deleted file mode 100755
index 41a5bc457a3..00000000000
--- a/src/interfaces/python/tutorial/advanced.py
+++ /dev/null
@@ -1,198 +0,0 @@
-#! /usr/bin/env python
-# advanced.py - demo of advanced features of PostGres. Some may not be ANSI.
-# inspired from the Postgres tutorial 
-# adapted to Python 1995 by Pascal Andre
-
-print """
-__________________________________________________________________
-MODULE ADVANCED.PY : ADVANCED POSTGRES SQL COMMANDS TUTORIAL
-
-This module is designed for being imported from python prompt
-
-In order to run the samples included here, first create a connection
-using :                        cnx = advanced.DB(...)
-
-The "..." should be replaced with whatever arguments you need to open an
-existing database.  Usually all you need is the name of the database and,
-in fact, if it is the same as your login name, you can leave it empty.
-
-then start the demo with:      advanced.demo(cnx)
-__________________________________________________________________
-"""
-
-from pg import DB
-import sys
-
-# waits for a key
-def wait_key():
-	print "Press <enter>"
-	sys.stdin.read(1)
-
-# inheritance features
-def inherit_demo(pgcnx):
-	print "-----------------------------"
-	print "-- Inheritance:"
-	print "--   a table can inherit from zero or more tables. A query"
-	print "--   can reference either all rows of a table or all rows "
-	print "--   of a table plus all of its descendants."
-	print "-----------------------------"
-	print
-	print "-- For example, the capitals table inherits from cities table."
-	print "-- (It inherits  all data fields from cities.)"
-	print
-	print "CREATE TABLE cities ("
-	print "    name         text,"
-	print "    population   float8,"
-	print "    altitude     int"
-	print ")"
-	print
-	print "CREATE TABLE capitals ("
-	print "    state        varchar(2)"
-	print ") INHERITS (cities)"
-	pgcnx.query("""CREATE TABLE cities (
-        name        text,
-        population  float8,
-        altitude    int)""")
-	pgcnx.query("""CREATE TABLE capitals (
-        state       varchar(2)) INHERITS (cities)""")
-	wait_key()
-	print
-	print "-- now, let's populate the tables"
-	print
-	print "INSERT INTO cities VALUES ('San Francisco', 7.24E+5, 63)"
-	print "INSERT INTO cities VALUES ('Las Vegas', 2.583E+5, 2174)"
-	print "INSERT INTO cities VALUES ('Mariposa', 1200, 1953)"
-	print
-	print "INSERT INTO capitals VALUES ('Sacramento', 3.694E+5, 30, 'CA')"
-	print "INSERT INTO capitals VALUES ('Madison', 1.913E+5, 845, 'WI')"
-	print
-	pgcnx.query("INSERT INTO cities VALUES ('San Francisco', 7.24E+5, 63)")
-	pgcnx.query("INSERT INTO cities VALUES ('Las Vegas', 2.583E+5, 2174)")
-	pgcnx.query("INSERT INTO cities VALUES ('Mariposa', 1200, 1953)")
-	pgcnx.query("INSERT INTO capitals VALUES ('Sacramento',3.694E+5,30,'CA')")
-	pgcnx.query("INSERT INTO capitals VALUES ('Madison', 1.913E+5, 845, 'WI')")
-	print
-	print "SELECT * FROM cities"
-	print pgcnx.query("SELECT * FROM cities")
-	print "SELECT * FROM capitals"
-	print pgcnx.query("SELECT * FROM capitals")
-	print
-	print "-- like before, a regular query references rows of the base"
-	print "-- table only"
-	print
-	print "SELECT name, altitude"
-	print "FROM cities"
-	print "WHERE altitude > 500;"
-	print pgcnx.query("""SELECT name, altitude
-        FROM cities
-        WHERE altitude > 500""")
-	print
-	print "-- on the other hand, you can find all cities, including "
-	print "-- capitals, that are located at an altitude of 500 'ft "
-	print "-- or higher by:"
-	print
-	print "SELECT c.name, c.altitude"
-	print "FROM cities* c"
-	print "WHERE c.altitude > 500"
-	print pgcnx.query("""SELECT c.name, c.altitude
-        FROM cities* c
-        WHERE c.altitude > 500""")
-
-# arrays attributes 
-def array_demo(pgcnx):
-	print "----------------------"
-	print "-- Arrays:"
-	print "--      attributes can be arrays of base types or user-defined "
-	print "--      types"
-	print "----------------------"
-	print
-	print "CREATE TABLE sal_emp ("
-	print "    name            text,"
-	print "    pay_by_quarter  int4[],"
-	print "    pay_by_extra_quarter  int8[],"
-	print "    schedule        text[][]"
-	print ")"
-	pgcnx.query("""CREATE TABLE sal_emp (
-        name              text,
-        pay_by_quarter    int4[],
-        pay_by_extra_quarter    int8[],
-        schedule          text[][])""")
-	wait_key()
-	print
-	print "-- insert instances with array attributes.  "
-	print "   Note the use of braces"
-	print
-	print "INSERT INTO sal_emp VALUES ("
-	print "    'Bill',"
-	print "    '{10000,10000,10000,10000}',"
-	print "    '{9223372036854775800,9223372036854775800,9223372036854775800}',"
-	print "    '{{\"meeting\", \"lunch\"}, {}}')"
-	print
-	print "INSERT INTO sal_emp VALUES ("
-	print "    'Carol',"
-	print "    '{20000,25000,25000,25000}',"
-	print "    '{9223372036854775807,9223372036854775807,9223372036854775807}',"
-	print "    '{{\"talk\", \"consult\"}, {\"meeting\"}}')"
-	print
-	pgcnx.query("""INSERT INTO sal_emp VALUES (
-        'Bill', '{10000,10000,10000,10000}',
-	'{9223372036854775800,9223372036854775800,9223372036854775800}',
-        '{{\"meeting\", \"lunch\"}, {}}')""")
-	pgcnx.query("""INSERT INTO sal_emp VALUES (
-        'Carol', '{20000,25000,25000,25000}',
-	'{9223372036854775807,9223372036854775807,9223372036854775807}',
-        '{{\"talk\", \"consult\"}, {\"meeting\"}}')""")
-	wait_key()
-	print
-	print "----------------------"
-	print "-- queries on array attributes"
-	print "----------------------"
-	print
-	print "SELECT name FROM sal_emp WHERE"
-	print "  sal_emp.pay_by_quarter[1] <> sal_emp.pay_by_quarter[2]"
-	print
-	print pgcnx.query("""SELECT name FROM sal_emp WHERE
-        sal_emp.pay_by_quarter[1] <> sal_emp.pay_by_quarter[2]""")
-	print
-	print pgcnx.query("""SELECT name FROM sal_emp WHERE
-        sal_emp.pay_by_extra_quarter[1] <> sal_emp.pay_by_extra_quarter[2]""")
-	print
-	print "-- retrieve third quarter pay of all employees"
-	print 
-	print "SELECT sal_emp.pay_by_quarter[3] FROM sal_emp"
-	print
-	print pgcnx.query("SELECT sal_emp.pay_by_quarter[3] FROM sal_emp")
-	print
-	print "-- retrieve third quarter extra pay of all employees"
-	print 
-	print "SELECT sal_emp.pay_by_extra_quarter[3] FROM sal_emp"
-	print pgcnx.query("SELECT sal_emp.pay_by_extra_quarter[3] FROM sal_emp")
-	print 
-	print "-- retrieve first two quarters of extra quarter pay of all employees"
-	print 
-	print "SELECT sal_emp.pay_by_extra_quarter[1:2] FROM sal_emp"
-	print
-	print pgcnx.query("SELECT sal_emp.pay_by_extra_quarter[1:2] FROM sal_emp")
-	print
-	print "-- select subarrays"
-	print 
-	print "SELECT sal_emp.schedule[1:2][1:1] FROM sal_emp WHERE"
-	print "     sal_emp.name = 'Bill'"
-	print pgcnx.query("SELECT sal_emp.schedule[1:2][1:1] FROM sal_emp WHERE " \
-        "sal_emp.name = 'Bill'")
-
-# base cleanup
-def demo_cleanup(pgcnx):
-	print "-- clean up (you must remove the children first)"
-	print "DROP TABLE sal_emp"
-	print "DROP TABLE capitals"
-	print "DROP TABLE cities;"
-	pgcnx.query("DROP TABLE sal_emp")
-	pgcnx.query("DROP TABLE capitals")
-	pgcnx.query("DROP TABLE cities")
-
-# main demo function
-def demo(pgcnx):
-	inherit_demo(pgcnx)
-	array_demo(pgcnx)
-	demo_cleanup(pgcnx)
diff --git a/src/interfaces/python/tutorial/basics.py b/src/interfaces/python/tutorial/basics.py
deleted file mode 100755
index 98a7f86a90b..00000000000
--- a/src/interfaces/python/tutorial/basics.py
+++ /dev/null
@@ -1,296 +0,0 @@
-#! /usr/bin/env python
-# basics.py - basic SQL commands tutorial
-# inspired from the Postgres95 tutorial 
-# adapted to Python 1995 by Pascal ANDRE
-
-print """
-__________________________________________________________________
-MODULE BASICS.PY : BASIC POSTGRES SQL COMMANDS TUTORIAL
-    
-This module is designed for being imported from python prompt
-    
-In order to run the samples included here, first create a connection
-using :                        cnx = basics.DB(...)
-  
-The "..." should be replaced with whatever arguments you need to open an
-existing database.  Usually all you need is the name of the database and,
-in fact, if it is the same as your login name, you can leave it empty.
-        
-then start the demo with:      basics.demo(cnx)
-__________________________________________________________________
-""" 
-
-from pg import DB
-import sys
-
-# waits for a key
-def wait_key():
-	print "Press <enter>"
-	sys.stdin.read(1)
-
-# table creation commands
-def create_table(pgcnx):
-	print "-----------------------------"
-	print "-- Creating a table:"
-	print "--  a CREATE TABLE is used to create base tables. POSTGRES"
-	print "--  SQL has its own set of built-in types. (Note that"
-	print "--  keywords are case-insensitive but identifiers are "
-	print "--  case-sensitive.)"
-	print "-----------------------------"
-	print
-	print "Sending query :"
-	print "CREATE TABLE weather ("
-        print "    city            varchar(80),"
-        print "    temp_lo         int,"
-        print "    temp_hi         int,"
-        print "    prcp            float8,"
-        print "    date            date"
-        print ")"
-        pgcnx.query("""CREATE TABLE weather (city varchar(80), temp_lo int,
-            temp_hi int, prcp float8, date date)""")
-	print
-	print "Sending query :"
-	print "CREATE TABLE cities ("
-	print "    name        varchar(80),"
-	print "    location    point"
-	print ")"
-	pgcnx.query("""CREATE TABLE cities (
-        name     varchar(80),
-        location point)""")
-
-# data insertion commands
-def insert_data(pgcnx):
-	print "-----------------------------"
-	print "-- Inserting data:"
-	print "--  an INSERT statement is used to insert a new row into"
-	print "--  a table. There are several ways you can specify what"
-	print "--  columns the data should go to."
-	print "-----------------------------"
-	print
-	print "-- 1. the simplest case is when the list of value correspond to"
-	print "--    the order of the columns specified in CREATE TABLE."
-	print
-	print "Sending query :"
-	print "INSERT INTO weather "
-	print "   VALUES ('San Francisco', 46, 50, 0.25, '11/27/1994')"
-	pgcnx.query("""INSERT INTO weather
-        VALUES ('San Francisco', 46, 50, 0.25, '11/27/1994')""")
-	print
-	print "Sending query :"
-	print "INSERT INTO cities "
-	print "   VALUES ('San Francisco', '(-194.0, 53.0)')"
-	pgcnx.query("""INSERT INTO cities
-        VALUES ('San Francisco', '(-194.0, 53.0)')""")
-	print
-	wait_key()
-	print "-- 2. you can also specify what column the values correspond "
-	print "     to. (The columns can be specified in any order. You may "
-	print "     also omit any number of columns. eg. unknown precipitation"
-	print "     below)"
-	print "Sending query :"
-	print "INSERT INTO weather (city, temp_lo, temp_hi, prcp, date)"
-	print "   VALUES ('San Francisco', 43, 57, 0.0, '11/29/1994')"
-	pgcnx.query("INSERT INTO weather (date, city, temp_hi, temp_lo)" \
-        "VALUES ('11/29/1994', 'Hayward', 54, 37)")
-
-# direct selection commands
-def select_data1(pgcnx):
-	print "-----------------------------"
-	print "-- Retrieving data:"
-	print "--  a SELECT statement is used for retrieving data. The "
-	print "--  basic syntax is:"
-	print "--      SELECT columns FROM tables WHERE predicates"
-	print "-----------------------------"
-	print
-	print "-- a simple one would be the query:"
-	print "SELECT * FROM weather"
-	print 
-	print "The result is :"
-	q = pgcnx.query("SELECT * FROM weather")
-	print q
-	print
-	print "-- you may also specify expressions in the target list (the "
-	print "-- 'AS column' specifies the column name of the result. It is "
-	print "-- optional.)"
-	print "The query :"
-	print "   SELECT city, (temp_hi+temp_lo)/2 AS temp_avg, date "
-	print "   FROM weather"
-	print "Gives :"
-	print pgcnx.query("""SELECT city, (temp_hi+temp_lo)/2
-        AS temp_avg, date FROM weather""")
-	print
-	print "-- if you want to retrieve rows that satisfy certain condition"
-	print "-- (ie. a restriction), specify the condition in WHERE. The "
-	print "-- following retrieves the weather of San Francisco on rainy "
-	print "-- days."
-	print "SELECT *"
-	print "FROM weather"
-	print "WHERE city = 'San Francisco' "
-	print "  and prcp > 0.0"
-	print pgcnx.query("""SELECT * FROM weather WHERE city = 'San Francisco'
-        AND prcp > 0.0""")
-	print
-	print "-- here is a more complicated one. Duplicates are removed when "
-	print "-- DISTINCT is specified. ORDER BY specifies the column to sort"
-	print "-- on. (Just to make sure the following won't confuse you, "
-	print "-- DISTINCT and ORDER BY can be used separately.)"
-	print "SELECT DISTINCT city"
-	print "FROM weather"
-	print "ORDER BY city;"
-	print pgcnx.query("SELECT DISTINCT city FROM weather ORDER BY city")
-
-# selection to a temporary table
-def select_data2(pgcnx):
-	print "-----------------------------"
-	print "-- Retrieving data into other classes:"
-	print "--  a SELECT ... INTO statement can be used to retrieve "
-	print "--  data into another class."
-	print "-----------------------------"
-	print 
-	print "The query :"
-	print "SELECT * INTO TABLE temptab "
-	print "FROM weather"
-	print "WHERE city = 'San Francisco' "
-	print "  and prcp > 0.0"
-	pgcnx.query("""SELECT * INTO TABLE temptab FROM weather
-        WHERE city = 'San Francisco' and prcp > 0.0""")
-	print "Fills the table temptab, that can be listed with :"
-	print "SELECT * from temptab"
-	print pgcnx.query("SELECT * from temptab")
-
-# aggregate creation commands
-def create_aggregate(pgcnx):
-	print "-----------------------------"
-	print "-- Aggregates"
-	print "-----------------------------"
-	print
-	print "Let's consider the query :"
-	print "SELECT max(temp_lo)"
-	print "FROM weather;"
-	print pgcnx.query("SELECT max(temp_lo) FROM weather")
-	print 
-	print "-- Aggregate with GROUP BY"
-	print "SELECT city, max(temp_lo)"
-	print "FROM weather "
-	print "GROUP BY city;"
-	print pgcnx.query( """SELECT city, max(temp_lo)
-        FROM weather GROUP BY city""")
-
-# table join commands
-def join_table(pgcnx):
-	print "-----------------------------"
-	print "-- Joining tables:"
-	print "--  queries can access multiple tables at once or access"
-	print "--  the same table in such a way that multiple instances"
-	print "--  of the table are being processed at the same time."
-	print "-----------------------------"
-	print
-	print "-- suppose we want to find all the records that are in the "
-	print "-- temperature range of other records. W1 and W2 are aliases "
-	print "--for weather."
-	print
-	print "SELECT W1.city, W1.temp_lo, W1.temp_hi, "
-	print "    W2.city, W2.temp_lo, W2.temp_hi"
-	print "FROM weather W1, weather W2"
-	print "WHERE W1.temp_lo < W2.temp_lo "
-	print "  and W1.temp_hi > W2.temp_hi"
-	print
-	print pgcnx.query("""SELECT W1.city, W1.temp_lo, W1.temp_hi,
-        W2.city, W2.temp_lo, W2.temp_hi FROM weather W1, weather W2
-        WHERE W1.temp_lo < W2.temp_lo and W1.temp_hi > W2.temp_hi""")
-	print
-	print "-- let's join two tables. The following joins the weather table"
-	print "-- and the cities table."
-	print
-	print "SELECT city, location, prcp, date"
-	print "FROM weather, cities"
-	print "WHERE name = city"
-	print
-	print pgcnx.query("""SELECT city, location, prcp, date FROM weather, cities
-        WHERE name = city""")
-	print
-	print "-- since the column names are all different, we don't have to "
-	print "-- specify the table name. If you want to be clear, you can do "
-	print "-- the following. They give identical results, of course."
-	print
-	print "SELECT w.city, c.location, w.prcp, w.date"
-	print "FROM weather w, cities c"
-	print "WHERE c.name = w.city;"
-	print
-	print pgcnx.query("""SELECT w.city, c.location, w.prcp, w.date
-        FROM weather w, cities c WHERE c.name = w.city""")
-
-# data updating commands
-def update_data(pgcnx):
-	print "-----------------------------"
-	print "-- Updating data:"
-	print "--  an UPDATE statement is used for updating data. "
-	print "-----------------------------"
-	print 
-	print "-- suppose you discover the temperature readings are all off by"
-	print "-- 2 degrees as of Nov 28, you may update the data as follow:"
-	print
-	print "UPDATE weather"
-	print "  SET temp_hi = temp_hi - 2,  temp_lo = temp_lo - 2"
-	print "  WHERE date > '11/28/1994'"
-	print
-	pgcnx.query("""UPDATE weather
-        SET temp_hi = temp_hi - 2,  temp_lo = temp_lo - 2
-        WHERE date > '11/28/1994'""")
-	print
-	print "SELECT * from weather"
-	print pgcnx.query("SELECT * from weather")
-
-# data deletion commands
-def delete_data(pgcnx):
-	print "-----------------------------"
-	print "-- Deleting data:"
-	print "--  a DELETE statement is used for deleting rows from a "
-	print "--  table."
-	print "-----------------------------"
-	print
-	print "-- suppose you are no longer interested in the weather of "
-	print "-- Hayward, you can do the following to delete those rows from"
-	print "-- the table"
-	print
-	print "DELETE FROM weather WHERE city = 'Hayward'"
-	pgcnx.query("DELETE FROM weather WHERE city = 'Hayward'")
-	print
-	print "SELECT * from weather"
-	print
-	print pgcnx.query("SELECT * from weather")
-	print
-	print "-- you can also delete all the rows in a table by doing the "
-	print "-- following. (This is different from DROP TABLE which removes "
-	print "-- the table in addition to the removing the rows.)"
-	print
-	print "DELETE FROM weather"
-	pgcnx.query("DELETE FROM weather")
-	print
-	print "SELECT * from weather"
-	print pgcnx.query("SELECT * from weather")
-
-# table removal commands
-def remove_table(pgcnx):
-	print "-----------------------------"
-	print "-- Removing the tables:"
-	print "--  DROP TABLE is used to remove tables. After you have"
-	print "--  done this, you can no longer use those tables."
-	print "-----------------------------"
-	print
-	print "DROP TABLE weather, cities, temptab"
-	pgcnx.query("DROP TABLE weather, cities, temptab")
-
-# main demo function
-def demo(pgcnx):
-	create_table(pgcnx)
-	wait_key()
-	insert_data(pgcnx)
-	wait_key()
-	select_data1(pgcnx)
-	select_data2(pgcnx)
-	create_aggregate(pgcnx)
-	join_table(pgcnx)
-	update_data(pgcnx)
-	delete_data(pgcnx)
-	remove_table(pgcnx)
diff --git a/src/interfaces/python/tutorial/func.py b/src/interfaces/python/tutorial/func.py
deleted file mode 100755
index af2b412bdfc..00000000000
--- a/src/interfaces/python/tutorial/func.py
+++ /dev/null
@@ -1,205 +0,0 @@
-# func.py - demonstrate the use of SQL functions
-# inspired from the PostgreSQL tutorial 
-# adapted to Python 1995 by Pascal ANDRE
-
-print """
-__________________________________________________________________
-MODULE FUNC.PY : SQL FUNCTION DEFINITION TUTORIAL
-
-This module is designed for being imported from python prompt
-
-In order to run the samples included here, first create a connection
-using :                        cnx = func.DB(...)
-
-The "..." should be replaced with whatever arguments you need to open an
-existing database.  Usually all you need is the name of the database and,
-in fact, if it is the same as your login name, you can leave it empty.
-
-then start the demo with:      func.demo(cnx)
-__________________________________________________________________
-""" 
-
-from pg import DB
-import sys
-
-# waits for a key
-def wait_key():
-	print "Press <enter>"
-	sys.stdin.read(1)
-
-# basic functions declaration
-def base_func(pgcnx):
-	print "-----------------------------"
-	print "-- Creating SQL Functions on Base Types"
-	print "--  a CREATE FUNCTION statement lets you create a new "
-	print "--  function that can be used in expressions (in SELECT, "
-	print "--  INSERT, etc.). We will start with functions that "
-	print "--  return values of base types."
-	print "-----------------------------"
-	print
-	print "--"
-	print "-- let's create a simple SQL function that takes no arguments"
-	print "-- and returns 1"
-	print
-	print "CREATE FUNCTION one() RETURNS int4"
-	print "   AS 'SELECT 1 as ONE' LANGUAGE 'sql'"
-	pgcnx.query("""CREATE FUNCTION one() RETURNS int4
-        AS 'SELECT 1 as ONE' LANGUAGE 'sql'""")
-	wait_key()
-	print
-	print "--"
-	print "-- functions can be used in any expressions (eg. in the target"
-	print "-- list or qualifications)"
-	print
-	print "SELECT one() AS answer"
-	print pgcnx.query("SELECT one() AS answer")
-	print
-	print "--"
-	print "-- here's how you create a function that takes arguments. The"
-	print "-- following function returns the sum of its two arguments:"
-	print
-	print "CREATE FUNCTION add_em(int4, int4) RETURNS int4"
-	print "   AS 'SELECT $1 + $2' LANGUAGE 'sql'"
-	pgcnx.query("""CREATE FUNCTION add_em(int4, int4) RETURNS int4
-        AS 'SELECT $1 + $2' LANGUAGE 'sql'""")
-	print
-	print "SELECT add_em(1, 2) AS answer"
-	print pgcnx.query("SELECT add_em(1, 2) AS answer")
-
-# functions on composite types
-def comp_func(pgcnx):
-	print "-----------------------------"
-	print "-- Creating SQL Functions on Composite Types"
-	print "--  it is also possible to create functions that return"
-	print "--  values of composite types."
-	print "-----------------------------"
-	print
-	print "-- before we create more sophisticated functions, let's "
-	print "-- populate an EMP table"
-	print
-	print "CREATE TABLE EMP ("
-	print "    name    text,"
-	print "    salary  int4,"
-	print "    age     int4,"
-	print "    dept    varchar(16)"
-	print ")"
-	pgcnx.query("""CREATE TABLE EMP (
-        name        text,
-        salary      int4,
-        age         int4,
-        dept        varchar(16))""")
-	print
-	print "INSERT INTO EMP VALUES ('Sam', 1200, 16, 'toy')"
-	print "INSERT INTO EMP VALUES ('Claire', 5000, 32, 'shoe')"
-	print "INSERT INTO EMP VALUES ('Andy', -1000, 2, 'candy')"
-	print "INSERT INTO EMP VALUES ('Bill', 4200, 36, 'shoe')"
-	print "INSERT INTO EMP VALUES ('Ginger', 4800, 30, 'candy')"
-	pgcnx.query("INSERT INTO EMP VALUES ('Sam', 1200, 16, 'toy')")
-	pgcnx.query("INSERT INTO EMP VALUES ('Claire', 5000, 32, 'shoe')")
-	pgcnx.query("INSERT INTO EMP VALUES ('Andy', -1000, 2, 'candy')")
-	pgcnx.query("INSERT INTO EMP VALUES ('Bill', 4200, 36, 'shoe')")
-	pgcnx.query("INSERT INTO EMP VALUES ('Ginger', 4800, 30, 'candy')")
-	wait_key()
-	print
-	print "-- the argument of a function can also be a tuple. For "
-	print "-- instance, double_salary takes a tuple of the EMP table"
-	print
-	print "CREATE FUNCTION double_salary(EMP) RETURNS int4"
-	print "   AS 'SELECT $1.salary * 2 AS salary' LANGUAGE 'sql'"
-	pgcnx.query("""CREATE FUNCTION double_salary(EMP) RETURNS int4
-        AS 'SELECT $1.salary * 2 AS salary' LANGUAGE 'sql'""")
-	print
-	print "SELECT name, double_salary(EMP) AS dream"
-	print "FROM EMP"
-	print "WHERE EMP.dept = 'toy'"
-	print pgcnx.query("""SELECT name, double_salary(EMP) AS dream
-        FROM EMP WHERE EMP.dept = 'toy'""")
-	print
-	print "-- the return value of a function can also be a tuple. However,"
-	print "-- make sure that the expressions in the target list is in the "
-	print "-- same order as the columns of EMP."
-	print
-	print "CREATE FUNCTION new_emp() RETURNS EMP"
-	print "   AS 'SELECT \'None\'::text AS name,"
-	print "              1000 AS salary,"
-	print "              25 AS age,"
-	print "              \'none\'::varchar(16) AS dept'"
-	print "   LANGUAGE 'sql'"
-	pgcnx.query("""CREATE FUNCTION new_emp() RETURNS EMP
-        AS 'SELECT \\\'None\\\'::text AS name,
-            1000 AS salary,
-            25 AS age,
-            \\\'none\\\'::varchar(16) AS dept'
-        LANGUAGE 'sql'""")
-	wait_key()
-	print
-	print "-- you can then project a column out of resulting the tuple by"
-	print "-- using the \"function notation\" for projection columns. "
-	print "-- (ie. bar(foo) is equivalent to foo.bar) Note that we don't"
-	print "-- support new_emp().name at this moment."
-	print
-	print "SELECT name(new_emp()) AS nobody"
-	print pgcnx.query("SELECT name(new_emp()) AS nobody")
-	print
-	print "-- let's try one more function that returns tuples"
-	print "CREATE FUNCTION high_pay() RETURNS setof EMP"
-	print "   AS 'SELECT * FROM EMP where salary > 1500'"
-	print "   LANGUAGE 'sql'"
-	pgcnx.query("""CREATE FUNCTION high_pay() RETURNS setof EMP
-        AS 'SELECT * FROM EMP where salary > 1500'
-        LANGUAGE 'sql'""")
-	print
-	print "SELECT name(high_pay()) AS overpaid"
-	print pgcnx.query("SELECT name(high_pay()) AS overpaid")
-
-# function with multiple SQL commands
-def mult_func(pgcnx):
-	print "-----------------------------"
-	print "-- Creating SQL Functions with multiple SQL statements"
-	print "--  you can also create functions that do more than just a"
-	print "--  SELECT."
-	print "-----------------------------"
-	print
-	print "-- you may have noticed that Andy has a negative salary. We'll"
-	print "-- create a function that removes employees with negative "
-	print "-- salaries."
-	print
-	print "SELECT * FROM EMP"
-	print pgcnx.query("SELECT * FROM EMP")
-	print
-	print "CREATE FUNCTION clean_EMP () RETURNS int4"
-	print "   AS 'DELETE FROM EMP WHERE EMP.salary <= 0"
-	print "       SELECT 1 AS ignore_this'"
-	print "   LANGUAGE 'sql'"
-	pgcnx.query("CREATE FUNCTION clean_EMP () RETURNS int4 AS 'DELETE FROM EMP WHERE EMP.salary <= 0; SELECT 1 AS ignore_this' LANGUAGE 'sql'")
-	print
-	print "SELECT clean_EMP()"
-	print pgcnx.query("SELECT clean_EMP()")
-	print
-	print "SELECT * FROM EMP"
-	print pgcnx.query("SELECT * FROM EMP")
-
-# base cleanup
-def demo_cleanup(pgcnx):
-	print "-- remove functions that were created in this file"
-	print
-	print "DROP FUNCTION clean_EMP()"
-	print "DROP FUNCTION high_pay()"
-	print "DROP FUNCTION new_emp()"
-	print "DROP FUNCTION add_em(int4, int4)"
-	print "DROP FUNCTION one()"
-	print
-	print "DROP TABLE EMP CASCADE"
-	pgcnx.query("DROP FUNCTION clean_EMP()")
-	pgcnx.query("DROP FUNCTION high_pay()")
-	pgcnx.query("DROP FUNCTION new_emp()")
-	pgcnx.query("DROP FUNCTION add_em(int4, int4)")
-	pgcnx.query("DROP FUNCTION one()")
-	pgcnx.query("DROP TABLE EMP CASCADE")
-
-# main demo function
-def demo(pgcnx):
-	base_func(pgcnx)
-	comp_func(pgcnx)
-	mult_func(pgcnx)
-	demo_cleanup(pgcnx)
diff --git a/src/interfaces/python/tutorial/syscat.py b/src/interfaces/python/tutorial/syscat.py
deleted file mode 100755
index 46d6d46ae07..00000000000
--- a/src/interfaces/python/tutorial/syscat.py
+++ /dev/null
@@ -1,149 +0,0 @@
-# syscat.py - parses some system catalogs
-# inspired from the PostgreSQL tutorial 
-# adapted to Python 1995 by Pascal ANDRE
-
-print """
-__________________________________________________________________
-MODULE SYSCAT.PY : PARSES SOME POSTGRESQL SYSTEM CATALOGS
-
-This module is designed for being imported from python prompt
-
-In order to run the samples included here, first create a connection
-using :                        cnx = syscat.DB(...)
-
-The "..." should be replaced with whatever arguments you need to open an 
-existing database.  Usually all you need is the name of the database and,
-in fact, if it is the same as your login name, you can leave it empty.
-
-then start the demo with:      syscat.demo(cnx)
-
-Some results may be empty, depending on your base status."
-
-__________________________________________________________________
-"""
-
-from pg import DB
-import sys
-
-# waits for a key
-def wait_key():
-	print "Press <enter>"
-	sys.stdin.read(1)
-
-# lists all simple indices
-def list_simple_ind(pgcnx):
-	result = pgcnx.query("""SELECT bc.relname AS class_name,
-			ic.relname AS index_name, a.attname
-		FROM pg_class bc, pg_class ic, pg_index i, pg_attribute a
-		WHERE i.indrelid = bc.oid AND i.indexrelid = bc.oid
-				AND i.indkey[0] = a.attnum AND i.indnatts = 1
-				AND a.attrelid = bc.oid AND a.attisdropped = 'f'
-		ORDER BY class_name, index_name, attname""")
-	return result
-
-# list all user defined attributes and their type in user-defined classes
-def list_all_attr(pgcnx):
-	result = pgcnx.query("""SELECT c.relname, a.attname, t.typname
-		FROM pg_class c, pg_attribute a, pg_type t
-		WHERE c.relkind = 'r' and c.relname !~ '^pg_'
-			AND c.relname !~ '^Inv' and a.attnum > 0
-			AND a.attrelid = c.oid and a.atttypid = t.oid
-                        AND a.attisdropped = 'f'
-			ORDER BY relname, attname""")
-	return result
-
-# list all user defined base type
-def list_user_base_type(pgcnx):
-	result = pgcnx.query("""SELECT u.usename, t.typname
-			FROM pg_type t, pg_user u
-			WHERE u.usesysid = int2in(int4out(t.typowner))
-				AND t.typrelid = '0'::oid and t.typelem = '0'::oid 
-				AND u.usename <> 'postgres' order by usename, typname""")
-	return result 
-
-# list all right-unary operators
-def list_right_unary_operator(pgcnx):
-	result = pgcnx.query("""SELECT o.oprname AS right_unary,
-			lt.typname AS operand, result.typname AS return_type
-		FROM pg_operator o, pg_type lt, pg_type result
-		WHERE o.oprkind='r' and o.oprleft = lt.oid
-			AND o.oprresult = result.oid
-		ORDER BY operand""")
-	return result
-
-# list all left-unary operators
-def list_left_unary_operator(pgcnx):
-	result = pgcnx.query("""SELECT o.oprname AS left_unary,
-			rt.typname AS operand, result.typname AS return_type
-		FROM pg_operator o, pg_type rt, pg_type result
-		WHERE o.oprkind='l' AND o.oprright = rt.oid
-			AND o.oprresult = result.oid
-		ORDER BY operand""")
-	return result
-
-# list all binary operators
-def list_binary_operator(pgcnx):
-	result = pgcnx.query("""SELECT o.oprname AS binary_op,
-			rt.typname AS right_opr, lt.typname AS left_opr,
-			result.typname AS return_type
-		FROM pg_operator o, pg_type rt, pg_type lt, pg_type result
-		WHERE o.oprkind = 'b' AND o.oprright = rt.oid
-			AND o.oprleft = lt.oid AND o.oprresult = result.oid""")
-	return result
-
-# returns the name, args and return type from all function of lang l
-def list_lang_func(pgcnx, l):
-	result = pgcnx.query("""SELECT p.proname, p.pronargs, t.typname
-		FROM pg_proc p, pg_language l, pg_type t
-		WHERE p.prolang = l.oid AND p.prorettype = t.oid
-			AND l.lanname = '%s'
-		ORDER BY proname""" % l)
-	return result
-
-# lists all the aggregate functions and the type to which they can be applied
-def list_agg_func(pgcnx):
-	result = pgcnx.query("""SELECT p.proname, t.typname
-		FROM pg_aggregate a, pg_proc p, pg_type t
-		WHERE a.aggfnoid = p.oid
-			and p.proargtypes[0] = t.oid
-		ORDER BY proname, typname""")
-	return result
-
-# lists all the operator classes that can be used with each access method as
-# well as the operators that can be used with the respective operator classes
-def list_op_class(pgcnx):
-	result = pgcnx.query("""SELECT am.amname, opc.opcname, opr.oprname
-		FROM pg_am am, pg_amop amop, pg_opclass opc, pg_operator opr
-		WHERE amop.amopid = am.oid and amop.amopclaid = opc.oid
-			AND amop.amopopr = opr.oid order by amname, opcname, oprname""")
-	return result
-
-# demo function - runs all examples
-def demo(pgcnx):
-	import sys, os
-	save_stdout = sys.stdout
-	sys.stdout = os.popen("more", "w")
-	print "Listing simple indices ..."
-	print list_simple_ind(pgcnx)
-	print "Listing all attributes ..."
-	print list_all_attr(pgcnx)
-	print "Listing all user-defined base types ..."
-	print list_user_base_type(pgcnx)
-	print "Listing all left-unary operators defined ..."
-	print list_left_unary_operator(pgcnx)
-	print "Listing all right-unary operators defined ..."
-	print list_right_unary_operator(pgcnx)
-	print "Listing all binary operators ..."
-	print list_binary_operator(pgcnx)
-	print "Listing C external function linked ..."
-	print list_lang_func(pgcnx, 'C')
-	print "Listing C internal functions ..."
-	print list_lang_func(pgcnx, 'internal')
-	print "Listing SQL functions defined ..."
-	print list_lang_func(pgcnx, 'sql')
-	print "Listing 'aggregate functions' ..."
-	print list_agg_func(pgcnx)
-	print "Listing 'operator classes' ..."
-	print list_op_class(pgcnx)
-	del sys.stdout
-	sys.stdout = save_stdout