alamb commented on code in PR #11186:
URL: https://github.com/apache/datafusion/pull/11186#discussion_r1672609963
##########
datafusion/sql/tests/cases/plan_to_sql.rs:
##########
@@ -314,3 +310,78 @@ fn test_table_references_in_plan_to_sql() {
"SELECT \"table\".id, \"table\".\"value\" FROM \"table\"",
);
}
+
+#[test]
+fn test_pretty_roundtrip() -> Result<()> {
+ let schema = Schema::new(vec![
+ Field::new("id", DataType::Utf8, false),
+ Field::new("age", DataType::Utf8, false),
+ ]);
+
+ let df_schema = DFSchema::try_from(schema)?;
+
+ let context = MockContextProvider::default();
+ let sql_to_rel = SqlToRel::new(&context);
+
+ let unparser = Unparser::default();
+
+ let sql_to_pretty_unparse = vec![
+ ("((id < 5) OR (age = 8))", "id < 5 OR age = 8"),
+ ("((id + 5) * (age * 8))", "(id + 5) * age * 8"),
+ ("(3 + (5 * 6) * 3)", "3 + 5 * 6 * 3"),
+ ("((3 * (5 + 6)) * 3)", "3 * (5 + 6) * 3"),
+ ("((3 AND (5 OR 6)) * 3)", "(3 AND (5 OR 6)) * 3"),
+ ("((3 + (5 + 6)) * 3)", "(3 + 5 + 6) * 3"),
+ ("((3 + (5 + 6)) + 3)", "3 + 5 + 6 + 3"),
+ ("3 + 5 + 6 + 3", "3 + 5 + 6 + 3"),
+ ("3 + (5 + (6 + 3))", "3 + 5 + 6 + 3"),
Review Comment:
resolved as now pretty unparsing is done conditionally
##########
datafusion-examples/examples/parse_sql_expr.rs:
##########
@@ -153,5 +153,14 @@ async fn round_trip_parse_sql_expr_demo() -> Result<()> {
assert_eq!(sql, round_trip_sql);
+ // enable pretty-unparsing. This make the output more human-readable
Review Comment:
👍
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