[SOLVED] How to change db connection in CI |
i want to dump my old db to my new db design which have different stucture.
i dump all my table and save query using get_compiled_insert() to file. the problem is my old db is sql server and my new db is mysql example $this->db->set(['id'=>1, 'name'=>'john'])->get_compiled_insert('table'); result : INSERT INTO "table" ("id", "name") VALUES ('1', 'john') this is valid sql server query but not in mysql, because the right query in mysql is: INSERT INTO `table` (`id`, `name`) VALUES ('1', 'john') conclusion: script: $this->db->set(['id'=>1, 'name'=>'john'])->get_compiled_insert('table'); with sql server connection: INSERT INTO "table" ("id", "name") VALUES ('1', 'john') with mysql connection: INSERT INTO `table` (`id`, `name`) VALUES ('1', 'john') what i want is dump sql server data to build mysql query. i really can solve this with my own code (build query manually), but i want to do the right way in CI. How to do this in the right way(best practice)? maybe i can dump the data using sql server connection and build compiled query using mysql connection. thanks
(01-30-2018, 02:26 AM)plonknimbuzz Wrote: this is valid sql server query but not in mysql, because the right query in mysql is: INSERT INTO `table` (`id`, `name`) VALUES ('1', 'john') That's not entirely true. Double quotes are the correct identifier escape character per the SQL standards and MySQL does support that via the ANSI_QUOTES SQL mode.
(01-30-2018, 06:14 AM)Narf Wrote:(01-30-2018, 02:26 AM)plonknimbuzz Wrote: this is valid sql server query but not in mysql, because the right query in mysql is: INSERT INTO `table` (`id`, `name`) VALUES ('1', 'john') Did you mean this? thanks narf, this is new knowledge for me.
Possibly, the mode name is ANSI_QUOTES, but phpMyAdmin may be shortening it ... idk.
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