Jefffrey commented on code in PR #16456:
URL: https://github.com/apache/datafusion/pull/16456#discussion_r2285137490
##########
datafusion/sql/src/expr/mod.rs:
##########
@@ -823,13 +826,12 @@ impl<S: ContextProvider> SqlToRel<'_, S> {
return not_impl_err!("ANY in LIKE expression");
}
let pattern = self.sql_expr_to_logical_expr(pattern, schema,
planner_context)?;
- let escape_char = if let Some(char) = escape_char {
- if char.len() != 1 {
- return plan_err!("Invalid escape character in LIKE
expression");
+ let escape_char = match escape_char {
+ Some(Value::SingleQuotedString(char)) if char.len() == 1 => {
+ Some(char.chars().next().unwrap())
}
- Some(char.chars().next().unwrap())
- } else {
- None
+ Some(_) => return plan_err!("Invalid escape character in LIKE
expression"),
Review Comment:
Updated the error messages to be more informative 👍
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