From the MySLQ manual : DROP TABLE [IF EXISTS] tbl_name [, tbl_name,...]
[RESTRICT | CASCADE],
but I don't know if it would work in a mysql_query().
Alternately, use mysql_tables() and mysql_tablename, and parse the results
to determine if the table exists. If it does, use ALTER TABLE I guess.
I've had the luxury of being able to do this at the console, not through a
Not exactly nuggets, but hope it's helpful - Miles
At 09:15 AM 1/12/2002 +0000, Dave Carrera wrote:
>You got me thinking so of i went and produced this working block of code.
><?include('./i_inc/dbcon.php'); // db connection file location
>$sqlfile = "./i_inc/members.php"; // location of sql file
>$readsql =@fopen($sqlfile, "r") or die ("SQL file dosn't excist");
>$sqlsql = fread($readsql,filesize($sqlfile));
>mysql_query($sqlsql) or die ("members not created or already excists");
>This works perfectly but i have one thing i have been trying to solve for
>the last two days.
>Some kind of if table excist loop is required.
>For the life of me i can't seem to get this info any where.
>5 Books, 20+ websites and no closer....:-(
>Can you throw some nugets of wisdom this way. Please.
>Thanks for the help and i hope the included code sample can help someone
>From: Miles Thompson [mailto:[EMAIL PROTECTED]]
>Sent: 11 January 2002 18:49
>To: Dave Carrera; [EMAIL PROTECTED]
>Subject: Re: [PHP-DB] Create Table from a file in php
>I don't know how you would do it from a file off the top of my head, so
>let's invent it, in pseudocode, anyway. The important thing to remember is
>that all of the commands to create or alter tables / databases are SQL
>queries. So the mysql_query() function is used to do most of the work.
>We have the database
>We have a connection to it
>We have the proper user/password for creation rights.
>We have a file with the necessary SQL to create a tablle : CREATE TABLE
>..... etc., with no trailing semi-colon.
>pseudo code ..
>Open the file & get the file handle
>Read it all as one chunk, assigning it to a variable, say $sql. If the SQL
>is broken into lines the file will have to be read and concatenated to the
>Use the variable in a mysql_query, testing for success.
>Issue a mysql_list_tables to see that you have the new tables, if that's
>successful a list_fields for the new table.
>Refinements . things to check ...
>1. Maybe check for the existence of the table and drop it before you create
>it. That can be done as a mysql_query.
>2. You may need to add an opening double-quote and a closing double-quote
>to what you are assigning to $sql. Offhand, I think not.
>Alternate approach, although you probably don't have the necessary
>permission on the server would be to
>exec( mysql database_name < file_containing_table_creation_code);
>I hope you find this helpful - Miles Thompson
>At 10:57 AM 1/11/2002 +0000, Dave Carrera wrote:
> >Hi All
> >I want to create a table from a file that contains the sql to create the
> >I have checked Mysql.com and have seen how to do it from telnet, but i want
> >to do it from a php script.
> >Can anyone please help.
> >Thanks in Advance
> >Dave C
> >The two rules for success are:
> >1. Never tell them everything you know.
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