# custom string translations Code test_translate_sql(paste0("a", "b")) Output 'a' || 'b' --- Code test_translate_sql(paste("a", "b")) Output 'a' || ' ' || 'b' --- Code test_translate_sql(substr(x, 2, 4)) Output SUBSTRING(`x`, 2, 3) --- Code test_translate_sql(substring(x, 2, 4)) Output SUBSTRING(`x`, 2, 3) --- Code test_translate_sql(str_sub(x, 2, -2)) Output SUBSTRING(`x`, 2, LENGTH(`x`) - 2) # copy_inline uses UNION ALL Code copy_inline(con, y %>% slice(0)) %>% remote_query() Output SELECT CAST(NULL AS INTEGER) AS `id`, CAST(NULL AS VARCHAR) AS `arr` FROM `DUMMY` WHERE (0 = 1) Code copy_inline(con, y) %>% remote_query() Output SELECT CAST(`id` AS INTEGER) AS `id`, CAST(`arr` AS VARCHAR) AS `arr` FROM ( SELECT NULL AS `id`, NULL AS `arr` FROM `DUMMY` WHERE (0 = 1) UNION ALL SELECT 1, '{1,2,3}' FROM DUMMY ) AS `values_table` Code copy_inline(con, y %>% slice(0), types = types) %>% remote_query() Output SELECT CAST(NULL AS bigint) AS `id`, CAST(NULL AS integer[]) AS `arr` FROM `DUMMY` WHERE (0 = 1) Code copy_inline(con, y, types = types) %>% remote_query() Output SELECT CAST(`id` AS bigint) AS `id`, CAST(`arr` AS integer[]) AS `arr` FROM ( SELECT NULL AS `id`, NULL AS `arr` FROM `DUMMY` WHERE (0 = 1) UNION ALL SELECT 1, '{1,2,3}' FROM DUMMY ) AS `values_table`