library(targets)
sqltargets_option_set("sqltargets.glue_sql_opening_delimiter", 
    "@")
sqltargets_option_set("sqltargets.glue_sql_closing_delimiter", 
    "@")
list(targets::tar_target(query_params, list(val = 3, col_name = "column1")), 
    tar_sql(report, path = "query.sql", query_params = query_params))