tokenize_for_SQL {rquery} | R Documentation |
Cross-parse from an R parse tree into SQL.
tokenize_for_SQL(lexpr, colnames, env = parent.frame())
lexpr |
item from |
colnames |
column names of table |
env |
environment to look for values |
sql info: list(presentation, parsed_toks(list of tokens), sql_text, symbols_used, symbols_produced, free_symbols)
tokenize_for_SQL(substitute(1 + 2), colnames= NULL)
tokenize_for_SQL(substitute(a := 3), colnames= NULL)
tokenize_for_SQL(substitute(a %:=% ( 3 + 4 )), colnames= NULL)