queryparser 0.3.0

ORDER BY clause can include NULLS FIRST and NULLS LAST (#12, @StevenHibble)
Translations of expressions in the ORDER BY clause now use -xtfrm() instead of the attribute decreasing to indicate descending order (@StevenHibble)
Parentheses can enclose table names and joins in the FROM clause (#23)
More Microsoft SQL Server functions now translate (#26, @StevenHibble)
Minor bugfixes and improvements

queryparser 0.2.0

BETWEEN expressions with quotes in operands translate correctly (#13)
Line comments (--) and block comments (/* */) are removed from queries (#14)
coalesce() translates correctly when tidyverse = FALSE (#15, #17)
CASE expressions translate (#16, #18)
Table aliases can be used in queries (#19)
SQL-92-style (explicit) join queries translate (#20)
Continuous integration and coverage tests
Minor bugfixes and improvements

Output indicates when queries aggregate
- List returned by parse_query() has attribute aggregate set to TRUE if query aggregates (#8)
- When translating an aggregate query, sublist select returned by by parse_query() has logical vector attribute aggregate indicating whether each expression in the SELECT list aggregates (#9)
- When translating an aggregate query with an ORDER BY clause, sublist order_by returned by by parse_query() has logical vector attribute aggregate indicating whether each expression in the ORDER BY clause aggregates (#11)
Translation of multiple CAST and BETWEEN expressions in a single expression no longer fails (#10)
Minor bugfixes and improvements

First CRAN release
Column names that match SQL function names are not converted to lowercase (#1)
Outputted expressions use vectorized logical operators (#2)
Successive occurrences of binary symbolic operators are replaced (#3)
Column names that match function names are not replaced (#4)
Vulnerabilities that permitted use of disallowed functions are resolved (#5, #7)
Column names can contain periods (#6)