Postgres column names are case sensitive (uppercase / lowercase)

Hi all,

I’m upgrading from exposed 0.12.1 to 0.17.7, and suddenly my tests are failing. This is because of the casing of the columns. I’ve reverted back to our old Exposed.

In our Exposed classes, our columns are mapped in upper case:

    val G: Column<Int> = 
            integer("G")

but when executing the query, Exposed is doing an insert using a lower case g:

SQL: [INSERT INTO raw_data.raw ("g") VALUES (?) 

Which results in an error:

Caused by: org.postgresql.util.PSQLException: ERROR: column "g" of relation "raw" does not exist

This doesn’t happen for all our columns, we also have columns with spaces in it, which seem to be unaffected.

[maxwell-carbon]

Be careful if you put quotes in your tablenames – identifiers that Exposed generates, like constraint names for foreign keys, will try to include those quotes verbatim, which breaks horribly, e.g. fk_"MyTable"_id.

[jorpic]

You can explicitly put quotes around case sensitive names:

object MyTable :  Table("\"MyTable\"") {
    val someField = text("\"someField\"")
}

Generated queries preserve those quotes:

INSERT INTO "MyTable" ("someField") VALUES ($1)