Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Implemented start_node and end_node functions #2978

Merged
merged 5 commits into from
Feb 29, 2024
Merged

Implemented start_node and end_node functions #2978

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
c260c88
Implemented start_node and end_node functions
MSebanc Feb 29, 2024
9352d75
format fixes
MSebanc Feb 29, 2024
882521f
format fixes
MSebanc Feb 29, 2024
0a8f924
Added undirected and recurrsive join tests
MSebanc Feb 29, 2024
3b8ecb5
Added tests for src/dst node properties
MSebanc Feb 29, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 21 additions & 0 deletions src/binder/bind_expression/bind_function_expression.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,8 @@ std::shared_ptr<Expression> ExpressionBinder::bindMacroExpression(
// ID(a) | a._id
// LABEL(a) | LIST_EXTRACT(offset(a), [table names from catalog])
// LENGTH(e) | e._length
// STARTNODE(a) | a._src
// ENDNODE(a) | a._dst
std::shared_ptr<Expression> ExpressionBinder::rewriteFunctionExpression(
const parser::ParsedExpression& parsedExpression, const std::string& functionName) {
if (functionName == ID_FUNC_NAME) {
Expand All @@ -179,6 +181,14 @@ std::shared_ptr<Expression> ExpressionBinder::rewriteFunctionExpression(
} else if (functionName == LENGTH_FUNC_NAME) {
auto child = bindExpression(*parsedExpression.getChild(0));
return bindRecursiveJoinLengthFunction(*child);
} else if (functionName == START_NODE_FUNC_NAME) {
auto child = bindExpression(*parsedExpression.getChild(0));
validateExpectedDataType(*child, std::vector<LogicalTypeID>{LogicalTypeID::REL});
return bindStartNodeExpression(*child);
} else if (functionName == END_NODE_FUNC_NAME) {
auto child = bindExpression(*parsedExpression.getChild(0));
validateExpectedDataType(*child, std::vector<LogicalTypeID>{LogicalTypeID::REL});
return bindEndNodeExpression(*child);
}
return nullptr;
}
Expand Down Expand Up @@ -211,6 +221,17 @@ std::shared_ptr<Expression> ExpressionBinder::bindInternalIDExpression(
STRUCT_EXTRACT_FUNC_NAME);
}

std::shared_ptr<Expression> ExpressionBinder::bindStartNodeExpression(
const Expression& expression) {
auto& rel = (RelExpression&)expression;
return rel.getSrcNode();
}

std::shared_ptr<Expression> ExpressionBinder::bindEndNodeExpression(const Expression& expression) {
auto& rel = (RelExpression&)expression;
return rel.getDstNode();
}

static std::vector<std::unique_ptr<Value>> populateLabelValues(std::vector<table_id_t> tableIDs,
const catalog::Catalog& catalog, transaction::Transaction* tx) {
auto tableIDsSet = std::unordered_set<table_id_t>(tableIDs.begin(), tableIDs.end());
Expand Down
2 changes: 2 additions & 0 deletions src/include/binder/expression_binder.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -81,6 +81,8 @@ class ExpressionBinder {
std::unique_ptr<Expression> createInternalNodeIDExpression(const Expression& node);
std::shared_ptr<Expression> bindInternalIDExpression(
const std::shared_ptr<Expression>& expression);
std::shared_ptr<Expression> bindStartNodeExpression(const Expression& expression);
std::shared_ptr<Expression> bindEndNodeExpression(const Expression& expression);
std::shared_ptr<Expression> bindLabelFunction(const Expression& expression);
std::unique_ptr<Expression> createInternalLengthExpression(const Expression& expression);
std::shared_ptr<Expression> bindRecursiveJoinLengthFunction(const Expression& expression);
Expand Down
2 changes: 2 additions & 0 deletions src/include/common/enums/expression_type.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,8 @@ const char* const TO_MICROSECONDS_FUNC_NAME = "TO_MICROSECONDS";
const char* const ID_FUNC_NAME = "ID";
const char* const LABEL_FUNC_NAME = "LABEL";
const char* const OFFSET_FUNC_NAME = "OFFSET";
const char* const START_NODE_FUNC_NAME = "START_NODE";
const char* const END_NODE_FUNC_NAME = "END_NODE";

// Path functions
const char* const NODES_FUNC_NAME = "NODES";
Expand Down
115 changes: 115 additions & 0 deletions test/test_files/tinysnb/function/start_end_node.test
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,115 @@
-GROUP TinySnbReadTest
-DATASET CSV tinysnb

--

-CASE FunctionStartNode

-LOG StartNodeTest1
-STATEMENT MATCH (:person)-[e:studyAt]->(:organisation) RETURN id(e), START_NODE(e)
---- 3
4:0|{_ID: 0:0, _LABEL: person, ID: 0, fName: Alice, gender: 1, isStudent: True, isWorker: False, age: 35, eyeSight: 5.000000, birthdate: 1900-01-01, registerTime: 2011-08-20 11:25:30, lastJobDuration: 3 years 2 days 13:02:00, workedHours: [10,5], usedNames: [Aida], courseScoresPerTerm: [[10,8],[6,7,8]], grades: [96,54,86,92], height: 1.731000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11}
4:1|{_ID: 0:1, _LABEL: person, ID: 2, fName: Bob, gender: 2, isStudent: True, isWorker: False, age: 30, eyeSight: 5.100000, birthdate: 1900-01-01, registerTime: 2008-11-03 15:25:30.000526, lastJobDuration: 10 years 5 months 13:00:00.000024, workedHours: [12,8], usedNames: [Bobby], courseScoresPerTerm: [[8,9],[9,10]], grades: [98,42,93,88], height: 0.990000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a12}
4:2|{_ID: 0:5, _LABEL: person, ID: 8, fName: Farooq, gender: 2, isStudent: True, isWorker: False, age: 25, eyeSight: 4.500000, birthdate: 1980-10-26, registerTime: 1972-07-31 13:22:30.678559, lastJobDuration: 00:18:00.024, workedHours: [3,4,5,6,7], usedNames: [Fesdwe], courseScoresPerTerm: [[8]], grades: [80,78,34,83], height: 1.510000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a16}

-LOG StartNodeTest2
-STATEMENT MATCH (:person)-[e]->(:organisation) RETURN id(e), START_NODE(e)
---- 6
4:0|{_ID: 0:0, _LABEL: person, ID: 0, fName: Alice, gender: 1, isStudent: True, isWorker: False, age: 35, eyeSight: 5.000000, birthdate: 1900-01-01, registerTime: 2011-08-20 11:25:30, lastJobDuration: 3 years 2 days 13:02:00, workedHours: [10,5], usedNames: [Aida], courseScoresPerTerm: [[10,8],[6,7,8]], grades: [96,54,86,92], height: 1.731000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a11}
4:1|{_ID: 0:1, _LABEL: person, ID: 2, fName: Bob, gender: 2, isStudent: True, isWorker: False, age: 30, eyeSight: 5.100000, birthdate: 1900-01-01, registerTime: 2008-11-03 15:25:30.000526, lastJobDuration: 10 years 5 months 13:00:00.000024, workedHours: [12,8], usedNames: [Bobby], courseScoresPerTerm: [[8,9],[9,10]], grades: [98,42,93,88], height: 0.990000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a12}
4:2|{_ID: 0:5, _LABEL: person, ID: 8, fName: Farooq, gender: 2, isStudent: True, isWorker: False, age: 25, eyeSight: 4.500000, birthdate: 1980-10-26, registerTime: 1972-07-31 13:22:30.678559, lastJobDuration: 00:18:00.024, workedHours: [3,4,5,6,7], usedNames: [Fesdwe], courseScoresPerTerm: [[8]], grades: [80,78,34,83], height: 1.510000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a16}
5:0|{_ID: 0:2, _LABEL: person, ID: 3, fName: Carol, gender: 1, isStudent: False, isWorker: True, age: 45, eyeSight: 5.000000, birthdate: 1940-06-22, registerTime: 1911-08-20 02:32:21, lastJobDuration: 48:24:11, workedHours: [4,5], usedNames: [Carmen,Fred], courseScoresPerTerm: [[8,10]], grades: [91,75,21,95], height: 1.000000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a13}
5:1|{_ID: 0:3, _LABEL: person, ID: 5, fName: Dan, gender: 2, isStudent: False, isWorker: True, age: 20, eyeSight: 4.800000, birthdate: 1950-07-23, registerTime: 2031-11-30 12:25:30, lastJobDuration: 10 years 5 months 13:00:00.000024, workedHours: [1,9], usedNames: [Wolfeschlegelstein,Daniel], courseScoresPerTerm: [[7,4],[8,8],[9]], grades: [76,88,99,89], height: 1.300000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a14}
5:2|{_ID: 0:4, _LABEL: person, ID: 7, fName: Elizabeth, gender: 1, isStudent: False, isWorker: True, age: 20, eyeSight: 4.700000, birthdate: 1980-10-26, registerTime: 1976-12-23 11:21:42, lastJobDuration: 48:24:11, workedHours: [2], usedNames: [Ein], courseScoresPerTerm: [[6],[7],[8]], grades: [96,59,65,88], height: 1.463000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a15}

-LOG StartNodeTest3
-STATEMENT MATCH ()-[e:workAt]->() RETURN ID(e), START_NODE(e)
---- 3
5:0|{_ID: 0:2, _LABEL: person, ID: 3, fName: Carol, gender: 1, isStudent: False, isWorker: True, age: 45, eyeSight: 5.000000, birthdate: 1940-06-22, registerTime: 1911-08-20 02:32:21, lastJobDuration: 48:24:11, workedHours: [4,5], usedNames: [Carmen,Fred], courseScoresPerTerm: [[8,10]], grades: [91,75,21,95], height: 1.000000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a13}
5:1|{_ID: 0:3, _LABEL: person, ID: 5, fName: Dan, gender: 2, isStudent: False, isWorker: True, age: 20, eyeSight: 4.800000, birthdate: 1950-07-23, registerTime: 2031-11-30 12:25:30, lastJobDuration: 10 years 5 months 13:00:00.000024, workedHours: [1,9], usedNames: [Wolfeschlegelstein,Daniel], courseScoresPerTerm: [[7,4],[8,8],[9]], grades: [76,88,99,89], height: 1.300000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a14}
5:2|{_ID: 0:4, _LABEL: person, ID: 7, fName: Elizabeth, gender: 1, isStudent: False, isWorker: True, age: 20, eyeSight: 4.700000, birthdate: 1980-10-26, registerTime: 1976-12-23 11:21:42, lastJobDuration: 48:24:11, workedHours: [2], usedNames: [Ein], courseScoresPerTerm: [[6],[7],[8]], grades: [96,59,65,88], height: 1.463000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a15}

-LOG StartNodeTest4
-STATEMENT MATCH ()-[e:workAt]->() RETURN ID(e), ID(START_NODE(e))
---- 3
5:0|0:2
5:1|0:3
5:2|0:4

-LOG StartNodeTest5
-STATEMENT MATCH ()-[e:workAt]-() RETURN ID(e), START_NODE(e)
---- 6
5:0|{_ID: 1:1, _LABEL: organisation, ID: 4, name: CsWork, orgCode: 934, mark: 4.100000, score: -100, history: 2 years 4 days 10 hours, licenseValidInterval: 26 years 52 days 48:00:00, rating: 0.780000, state: {revenue: 152, location: ["vanco,uver north area"], stock: {price: [15,78,671], volume: 432}}, info: abcd}
5:1|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}
5:2|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}
5:0|{_ID: 0:2, _LABEL: person, ID: 3, fName: Carol, gender: 1, isStudent: False, isWorker: True, age: 45, eyeSight: 5.000000, birthdate: 1940-06-22, registerTime: 1911-08-20 02:32:21, lastJobDuration: 48:24:11, workedHours: [4,5], usedNames: [Carmen,Fred], courseScoresPerTerm: [[8,10]], grades: [91,75,21,95], height: 1.000000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a13}
5:1|{_ID: 0:3, _LABEL: person, ID: 5, fName: Dan, gender: 2, isStudent: False, isWorker: True, age: 20, eyeSight: 4.800000, birthdate: 1950-07-23, registerTime: 2031-11-30 12:25:30, lastJobDuration: 10 years 5 months 13:00:00.000024, workedHours: [1,9], usedNames: [Wolfeschlegelstein,Daniel], courseScoresPerTerm: [[7,4],[8,8],[9]], grades: [76,88,99,89], height: 1.300000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a14}
5:2|{_ID: 0:4, _LABEL: person, ID: 7, fName: Elizabeth, gender: 1, isStudent: False, isWorker: True, age: 20, eyeSight: 4.700000, birthdate: 1980-10-26, registerTime: 1976-12-23 11:21:42, lastJobDuration: 48:24:11, workedHours: [2], usedNames: [Ein], courseScoresPerTerm: [[6],[7],[8]], grades: [96,59,65,88], height: 1.463000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a15}

-LOG StartNodeTest6
-STATEMENT MATCH ()-[e:workAt]->() RETURN ID(e), START_NODE(e).fName
---- 3
5:0|Carol
5:1|Dan
5:2|Elizabeth

-LOG StartNodeTestRecursiveRel
-STATEMENT MATCH (:person { fName: "Alice" })-[r:knows *1..2]->(friend:person) RETURN START_NODE(r)
---- error
Binder exception: r has data type RECURSIVE_REL but (REL) was expected.


-CASE FunctionEndNode

-LOG EndNodeTest1
-STATEMENT MATCH (:person)-[e:studyAt]->(:organisation) RETURN id(e), END_NODE(e)
---- 3
4:0|{_ID: 1:0, _LABEL: organisation, ID: 1, name: ABFsUni, orgCode: 325, mark: 3.700000, score: -2, history: 10 years 5 months 13 hours 24 us, licenseValidInterval: 3 years 5 days, rating: 1.000000, state: {revenue: 138, location: ['toronto', 'montr,eal'], stock: {price: [96,56], volume: 1000}}, info: 3.120000}
4:1|{_ID: 1:0, _LABEL: organisation, ID: 1, name: ABFsUni, orgCode: 325, mark: 3.700000, score: -2, history: 10 years 5 months 13 hours 24 us, licenseValidInterval: 3 years 5 days, rating: 1.000000, state: {revenue: 138, location: ['toronto', 'montr,eal'], stock: {price: [96,56], volume: 1000}}, info: 3.120000}
4:2|{_ID: 1:0, _LABEL: organisation, ID: 1, name: ABFsUni, orgCode: 325, mark: 3.700000, score: -2, history: 10 years 5 months 13 hours 24 us, licenseValidInterval: 3 years 5 days, rating: 1.000000, state: {revenue: 138, location: ['toronto', 'montr,eal'], stock: {price: [96,56], volume: 1000}}, info: 3.120000}

-LOG EndNodeTest2
-STATEMENT MATCH (:person)-[e]->(:organisation) RETURN id(e), END_NODE(e)
---- 6
4:0|{_ID: 1:0, _LABEL: organisation, ID: 1, name: ABFsUni, orgCode: 325, mark: 3.700000, score: -2, history: 10 years 5 months 13 hours 24 us, licenseValidInterval: 3 years 5 days, rating: 1.000000, state: {revenue: 138, location: ['toronto', 'montr,eal'], stock: {price: [96,56], volume: 1000}}, info: 3.120000}
4:1|{_ID: 1:0, _LABEL: organisation, ID: 1, name: ABFsUni, orgCode: 325, mark: 3.700000, score: -2, history: 10 years 5 months 13 hours 24 us, licenseValidInterval: 3 years 5 days, rating: 1.000000, state: {revenue: 138, location: ['toronto', 'montr,eal'], stock: {price: [96,56], volume: 1000}}, info: 3.120000}
5:0|{_ID: 1:1, _LABEL: organisation, ID: 4, name: CsWork, orgCode: 934, mark: 4.100000, score: -100, history: 2 years 4 days 10 hours, licenseValidInterval: 26 years 52 days 48:00:00, rating: 0.780000, state: {revenue: 152, location: ["vanco,uver north area"], stock: {price: [15,78,671], volume: 432}}, info: abcd}
5:1|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}
5:2|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}
4:2|{_ID: 1:0, _LABEL: organisation, ID: 1, name: ABFsUni, orgCode: 325, mark: 3.700000, score: -2, history: 10 years 5 months 13 hours 24 us, licenseValidInterval: 3 years 5 days, rating: 1.000000, state: {revenue: 138, location: ['toronto', 'montr,eal'], stock: {price: [96,56], volume: 1000}}, info: 3.120000}

-LOG EndNodeTest3
-STATEMENT MATCH ()-[e:workAt]->() RETURN ID(e), END_NODE(e)
---- 3
5:0|{_ID: 1:1, _LABEL: organisation, ID: 4, name: CsWork, orgCode: 934, mark: 4.100000, score: -100, history: 2 years 4 days 10 hours, licenseValidInterval: 26 years 52 days 48:00:00, rating: 0.780000, state: {revenue: 152, location: ["vanco,uver north area"], stock: {price: [15,78,671], volume: 432}}, info: abcd}
5:1|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}
5:2|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}

-LOG EndNodeTest4
-STATEMENT MATCH ()-[e:workAt]->() RETURN ID(e), ID(END_NODE(e))
---- 3
5:0|1:1
5:1|1:2
5:2|1:2

-LOG EndNodeTest5
-STATEMENT MATCH ()-[e:workAt]-() RETURN ID(e), END_NODE(e)
---- 6
5:0|{_ID: 0:2, _LABEL: person, ID: 3, fName: Carol, gender: 1, isStudent: False, isWorker: True, age: 45, eyeSight: 5.000000, birthdate: 1940-06-22, registerTime: 1911-08-20 02:32:21, lastJobDuration: 48:24:11, workedHours: [4,5], usedNames: [Carmen,Fred], courseScoresPerTerm: [[8,10]], grades: [91,75,21,95], height: 1.000000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a13}
5:1|{_ID: 0:3, _LABEL: person, ID: 5, fName: Dan, gender: 2, isStudent: False, isWorker: True, age: 20, eyeSight: 4.800000, birthdate: 1950-07-23, registerTime: 2031-11-30 12:25:30, lastJobDuration: 10 years 5 months 13:00:00.000024, workedHours: [1,9], usedNames: [Wolfeschlegelstein,Daniel], courseScoresPerTerm: [[7,4],[8,8],[9]], grades: [76,88,99,89], height: 1.300000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a14}
5:2|{_ID: 0:4, _LABEL: person, ID: 7, fName: Elizabeth, gender: 1, isStudent: False, isWorker: True, age: 20, eyeSight: 4.700000, birthdate: 1980-10-26, registerTime: 1976-12-23 11:21:42, lastJobDuration: 48:24:11, workedHours: [2], usedNames: [Ein], courseScoresPerTerm: [[6],[7],[8]], grades: [96,59,65,88], height: 1.463000, u: a0eebc99-9c0b-4ef8-bb6d-6bb9bd380a15}
5:0|{_ID: 1:1, _LABEL: organisation, ID: 4, name: CsWork, orgCode: 934, mark: 4.100000, score: -100, history: 2 years 4 days 10 hours, licenseValidInterval: 26 years 52 days 48:00:00, rating: 0.780000, state: {revenue: 152, location: ["vanco,uver north area"], stock: {price: [15,78,671], volume: 432}}, info: abcd}
5:1|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}
5:2|{_ID: 1:2, _LABEL: organisation, ID: 6, name: DEsWork, orgCode: 824, mark: 4.100000, score: 7, history: 2 years 4 hours 22 us 34 minutes, licenseValidInterval: 82:00:00.1, rating: 0.520000, state: {revenue: 558, location: ['very long city name', 'new york'], stock: {price: [22], volume: 99}}, info: 2023-12-15}

-LOG EndNodeTest6
-STATEMENT MATCH ()-[e:workAt]->() RETURN ID(e), END_NODE(e).name
---- 3
5:0|CsWork
5:1|DEsWork
5:2|DEsWork

-LOG EndNodeTestRecursiveRel
-STATEMENT MATCH (:person { fName: "Alice" })-[r:knows *1..2]->(friend:person) RETURN END_NODE(r)
---- error
Binder exception: r has data type RECURSIVE_REL but (REL) was expected.
Loading