build-sql.md
In dbplyr: A 'dplyr' Back End for Databases

build_sql() requires connection

Code
  build_sql("SELECT * FROM ", x)
Condition
  Error in `build_sql()`:
  ! `con` must not be NULL.

glue_sql() checks size

Code
  glue_sql2("{.col x}", .con = con)
Condition
  Error in `.transformer()`:
  ! `value` must have size 1, not 2.
Code
  glue_sql2("{.col character()}", .con = con)
Condition
  Error in `.transformer()`:
  ! `value` must have size 1, not 0.

glue_sql() can collapse

Code
  glue_sql2("{.tbl x*}", .con = con)
Condition
  Error in `glue_check_collapse()`:
  ! Collapsing is only allowed for "col" and "val", not for "tbl".
Code
  glue_sql2("{.name x*}", .con = con)
Condition
  Error in `glue_check_collapse()`:
  ! Collapsing is only allowed for "col" and "val", not for "name".
Code
  glue_sql2("{.from x*}", .con = con)
Condition
  Error in `glue_check_collapse()`:
  ! Collapsing is only allowed for "col" and "val", not for "from".