Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/23199#discussion_r238110252
--- Diff:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4 ---
@@ -1045,6 +1046,11 @@ DOUBLE_LITERAL
| DECIMAL_DIGITS EXPONENT? 'D' {isValidDecimal()}?
;
+FLOAT_LITERAL
+ : DIGIT+ EXPONENT? 'F'
+ | DECIMAL_DIGITS EXPONENT? 'F' {isValidDecimal()}?
--- End diff --
Could you check who supports these Float literals? What are their
restrictions?
The ANSI SQL standard does not have such a literal.
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