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+--- Thread: need help with insert into a table via a select (/showthread.php?tid=23562)
need help with insert into a table via a select - El Forum - 10-14-2009
[eluser]Unknown[/eluser]
Hi All,
I have a very complex query in a legacy app that is taking too long to do. My plan for improving it is to create temporary table containing the data for the report so I can do summarizations easily against it. When I do the insert I get a strange error:
Undefined table data
I can run the same query successfully in phpmyadmin. Please help soon.
Here is my code:
if (! $this->db->table_exists('adams')) {
$sql = "CREATE TEMPORARY TABLE adams (
id INT NOT NULL AUTO_INCREMENT,
locationproduct INT,
location INT,
name VARCHAR(100),
address VARCHAR(150),
city VARCHAR(100),
state VARCHAR(2),
zip VARCHAR(5),
productid INT,
productname VARCHAR(100),
marketid INT,
marketname VARCHAR(150),
PRIMARY KEY(id),
UNIQUE (id)
)";
echo "$sql<br />";
$query = $this->db->query($sql);
}
if ($this->db->table_exists('adams')) {
echo "Before Delete<br />";
// make sure its empty
$sql = "DELETE FROM adams WHERE 1";
$query = $this->db->query($sql);
echo "Before First Insert<br />";
// make the initial fastest selection into that table
$sql = "INSERT INTO adams (locationproduct, location, productid) SELECT locations_products.id, locations_products.location, locations_products.product FROM locations_products";
echo "$sql<br />";
$query = $this->db->query($sql);
Thanks,
Dajomasoft
need help with insert into a table via a select - El Forum - 10-14-2009
[eluser]Unknown[/eluser]
sorry, forget about the previous post. I discovered my problem and it was me!
