Carsten Haese wrote:[color=blue]
> On Fri, 2006-02-03 at 13:24, Sean Berry wrote:[color=green]
>> I have four tables that all have the same column names (50 in each.)
>> I ... would like to use the table name as a variable in each query so
>> the code can be used for each of the 4 tables....
>> To ensure that string are quoted properly without any hassle I use the
>> execute function like so assuming c is my cursor object...
>>
>> c.execute("update tableName set col1 = %s, col2 = %s, col3 = %s, ...",
>> (val1, val2, val3, ...))
>>
>> What is the best (easiest) way for me to accomplish this? I know it may be
>> a stupid question but I just can't figure it out.[/color]
>
> As you have discovered, the table name is not allowed to be a parameter....
> queryString = "update "+tableName+" set col1=%s, col2=%s,..."
> c.execute(queryString, (val1, val2,...))[/color]
Since you are in control of the query strings, you might try:
choose a string ('<table>' in this example) to represent the table name
that will never appear in your queries to represent the table name,
then do something like:
for table_name in 'first', 'second', 'third', 'fourth':
def perform(query, args):
return cursor.execute(
table_name.join(query.split('<table>')), args)
perform('UPDATE <table> SET col1 = %s, col2 = %s', (val1, val2))
perform('UPDATE <table> SET col4 = %s, col5 = %s', (val4, val5))
Although, frankly, this doesn't sound like a well-designed database.
--Scott David Daniels
scott.daniels@acm.org 
