alamb commented on code in PR #16762:
URL: https://github.com/apache/datafusion/pull/16762#discussion_r2219635481
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datafusion/physical-expr/src/utils/guarantee.rs:
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@@ -824,13 +894,87 @@ mod test {
);
}
+ #[test]
+ fn test_disjunction_and_conjunction_multi_column() {
+ // (a = "foo" AND b = 1) OR (a = "bar" AND b = 2)
+ test_analyze(
+ (col("a").eq(lit("foo")).and(col("b").eq(lit(1))))
+ .or(col("a").eq(lit("bar")).and(col("b").eq(lit(2)))),
+ vec![in_guarantee("a", ["foo", "bar"]), in_guarantee("b", [1, 2])],
+ );
+ // (a = "foo" AND b = 1) OR (a = "bar" AND b = 2) OR (b = 3)
+ test_analyze(
+ (col("a").eq(lit("foo")).and(col("b").eq(lit(1))))
+ .or(col("a").eq(lit("bar")).and(col("b").eq(lit(2))))
+ .or(col("b").eq(lit(3))),
+ vec![in_guarantee("b", [1, 2, 3])],
+ );
+ // (a = "foo" AND b = 1) OR (a = "bar" AND b = 2) OR (c = 3)
+ test_analyze(
+ (col("a").eq(lit("foo")).and(col("b").eq(lit(1))))
+ .or(col("a").eq(lit("bar")).and(col("b").eq(lit(2))))
+ .or(col("c").eq(lit(3))),
+ vec![],
+ );
+ // (a = "foo" AND b = 1) OR (a != "bar" AND b = 2)
+ test_analyze(
+ (col("a").eq(lit("foo")).and(col("b").eq(lit(1))))
+ .or(col("a").not_eq(lit("bar")).and(col("b").eq(lit(2)))),
+ vec![in_guarantee("b", [1, 2])],
+ );
+ // (a = "foo" AND b > 1) OR (a = "bar" AND b = 2)
+ test_analyze(
+ (col("a").eq(lit("foo")).and(col("b").gt(lit(1))))
+ .or(col("a").eq(lit("bar")).and(col("b").eq(lit(2)))),
+ vec![in_guarantee("a", ["foo", "bar"])],
+ );
+ // (a = "foo" AND b = 1) OR (b = 1 AND c = 2) OR (c = 3 AND a = "bar")
+ test_analyze(
+ (col("a").eq(lit("foo")).and(col("b").eq(lit(1))))
+ .or(col("b").eq(lit(1)).and(col("c").eq(lit(2))))
+ .or(col("c").eq(lit(3)).and(col("a").eq(lit("bar")))),
+ vec![],
+ );
+ // (a = "foo" AND a = "bar") OR (a = "good" AND b = 1)
+ // TODO: this should be `a IN ("good") AND b IN (1)`
Review Comment:
No need to remove it -- I just wanted to point it out
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