odbtools/odbctest/mql/aaa/15cypher/11create.mql

-- ============================================================
-- Cypher 创建图和关系测试
-- ============================================================

-- 1. match 节点
match (:test_graph) return *
/**
output()
**/
;

-- 2. match 特定类型节点
match (a:test_graph) where a.g_type='type_a' return a
/**
output()
**/
;

-- 3. 创建关系（connect edge）
match (a:test_graph), (b:test_graph) where a.g_name='node_a' and b.g_name='node_b'
create (a) -[:connect]-> (b)
;

-- 4. 创建更多关系
match (a:test_graph), (b:test_graph) where a.g_name='node_c' and b.g_name='node_d'
create (a) -[:connect]-> (b)
;

match (a:test_graph), (b:test_graph) where a.g_name='node_a' and b.g_name='node_c'
create (a) -[:connect]-> (b)
;

-- 5. 查询关系
match (a:test_graph) -[:connect]-> (b:test_graph) return a, b
/**
output()
**/
;