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Differentiate LEFT JOIN from LEFT OUTER JOIN (#1726)

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Michael Victor Zink 2025-02-14 08:23:00 -08:00 • committed by GitHub
parent 1c0e5d3554
commit 68c41a9d5a
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4 changed files with 65 additions and 23 deletions
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60
tests/sqlparser_common.rs
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@ -6661,8 +6661,16 @@ fn parse_joins_on() {
only(&verified_only_select("SELECT * FROM t1 JOIN t2 ON c1 = c2").from).joins,
vec![join_with_constraint("t2", None, false, JoinOperator::Join)]
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 INNER JOIN t2 ON c1 = c2").from).joins,
vec![join_with_constraint("t2", None, false, JoinOperator::Inner)]
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 LEFT JOIN t2 ON c1 = c2").from).joins,
vec![join_with_constraint("t2", None, false, JoinOperator::Left)]
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 LEFT OUTER JOIN t2 ON c1 = c2").from).joins,
vec![join_with_constraint(
"t2",
None,
@ -6672,6 +6680,10 @@ fn parse_joins_on() {
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 RIGHT JOIN t2 ON c1 = c2").from).joins,
vec![join_with_constraint("t2", None, false, JoinOperator::Right)]
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 RIGHT OUTER JOIN t2 ON c1 = c2").from).joins,
vec![join_with_constraint(
"t2",
None,
@ -6794,10 +6806,18 @@ fn parse_joins_using() {
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 LEFT JOIN t2 USING(c1)").from).joins,
vec![join_with_constraint("t2", None, JoinOperator::Left)]
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 LEFT OUTER JOIN t2 USING(c1)").from).joins,
vec![join_with_constraint("t2", None, JoinOperator::LeftOuter)]
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 RIGHT JOIN t2 USING(c1)").from).joins,
vec![join_with_constraint("t2", None, JoinOperator::Right)]
);
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 RIGHT OUTER JOIN t2 USING(c1)").from).joins,
vec![join_with_constraint("t2", None, JoinOperator::RightOuter)]
);
assert_eq!(
@ -6857,20 +6877,34 @@ fn parse_natural_join() {
only(&verified_only_select("SELECT * FROM t1 NATURAL JOIN t2").from).joins,
vec![natural_join(JoinOperator::Join, None)]
);
// inner join explicitly
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 NATURAL INNER JOIN t2").from).joins,
vec![natural_join(JoinOperator::Inner, None)]
);
// left join explicitly
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 NATURAL LEFT JOIN t2").from).joins,
vec![natural_join(JoinOperator::Left, None)]
);
// left outer join explicitly
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 NATURAL LEFT OUTER JOIN t2").from).joins,
vec![natural_join(JoinOperator::LeftOuter, None)]
);
// right join explicitly
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 NATURAL RIGHT JOIN t2").from).joins,
vec![natural_join(JoinOperator::Right, None)]
);
// right outer join explicitly
assert_eq!(
only(&verified_only_select("SELECT * FROM t1 NATURAL RIGHT OUTER JOIN t2").from).joins,
vec![natural_join(JoinOperator::RightOuter, None)]
);
@ -6950,22 +6984,12 @@ fn parse_join_nesting() {
#[test]
fn parse_join_syntax_variants() {
one_statement_parses_to(
"SELECT c1 FROM t1 JOIN t2 USING(c1)",
"SELECT c1 FROM t1 JOIN t2 USING(c1)",
);
one_statement_parses_to(
"SELECT c1 FROM t1 INNER JOIN t2 USING(c1)",
"SELECT c1 FROM t1 INNER JOIN t2 USING(c1)",
);
one_statement_parses_to(
"SELECT c1 FROM t1 LEFT OUTER JOIN t2 USING(c1)",
"SELECT c1 FROM t1 LEFT JOIN t2 USING(c1)",
);
one_statement_parses_to(
"SELECT c1 FROM t1 RIGHT OUTER JOIN t2 USING(c1)",
"SELECT c1 FROM t1 RIGHT JOIN t2 USING(c1)",
);
verified_stmt("SELECT c1 FROM t1 JOIN t2 USING(c1)");
verified_stmt("SELECT c1 FROM t1 INNER JOIN t2 USING(c1)");
verified_stmt("SELECT c1 FROM t1 LEFT JOIN t2 USING(c1)");
verified_stmt("SELECT c1 FROM t1 LEFT OUTER JOIN t2 USING(c1)");
verified_stmt("SELECT c1 FROM t1 RIGHT JOIN t2 USING(c1)");
verified_stmt("SELECT c1 FROM t1 RIGHT OUTER JOIN t2 USING(c1)");
one_statement_parses_to(
"SELECT c1 FROM t1 FULL OUTER JOIN t2 USING(c1)",
"SELECT c1 FROM t1 FULL JOIN t2 USING(c1)",
@ -8027,7 +8051,7 @@ fn lateral_derived() {
let join = &from.joins[0];
assert_eq!(
join.join_operator,
JoinOperator::LeftOuter(JoinConstraint::On(Expr::Value(test_utils::number("1"))))
JoinOperator::Left(JoinConstraint::On(Expr::Value(test_utils::number("1"))))
);
if let TableFactor::Derived {
lateral,
@ -8095,7 +8119,7 @@ fn lateral_function() {
alias: None,
},
global: false,
join_operator: JoinOperator::LeftOuter(JoinConstraint::None),
join_operator: JoinOperator::Left(JoinConstraint::None),
}],
}],
lateral_views: vec![],