v0.10.2

What's Changed

• feat: Map NA to SQLNULL by @krlmlr in #143
• fix: Avoid R CMD check warning regarding SETLENGTH() and SET_TRUELENGTH() by @krlmlr in #145
• feat: Include rfuns extension by @krlmlr in #144
• fix: rel_sql(rel, "{{sql}}") works even on a read-only database by @Tmonster in #138
• feat: Implement n_distinct() for multiple arguments using duckdb structs by @lschneiderbauer in #122
• feat: Use latest tests from DBItest by @krlmlr in #148
• Change conversion for difftime to INTERVAL, not TIME by @hannes in #151

Full Changelog: v0.10.1...v0.10.2