View source for SQL migration from MySQL to PostgreSQL

==See also==
# [[PostgreSQL vs MySQL]]
# Database itself: automatic conversation (which tool?) : suspected: turned the type of some fields (select list?) into boolean, i.e. the type "select list" needs to be changed before or treated in another way, 
## in tango.info affected: gender field which had allowed values of 1,2,9 - as in ISO 5218 - and NULL

==SQL==
===LIKE to ILIKE===
#change LIKE to ILIKE : LIKE is not case-sensitive in MySQL, but in PostgreSQL it is !! query will then return an error in MySQL
===+0===
https://tango.info/?q=Grandes+del+tango

MySQL: ORDER BY product_name +0,product_name
 Grandes del tango 19 | y su orquesta Vol. 3
 Grandes del tango 2 | y su orquesta
 Grandes del tango 20 | Vol. 2
PostgreSQL: ORDER BY product_name
 Grandes del tango 19 | y su orquesta Vol. 3
 Grandes del tango 20 | Vol. 2	Alfredo De Angelis
 Grandes del tango 21
 Grandes del tango 29 | Francisco Canaro 2
 Grandes del tango 2 | y su orquesta
 Grandes del tango 30 | Angel Vargas 2