Graph return incorrect query result on null value filter

[nebula-bots]

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Describe the bug (required)

Look at the query below:

(root@nebula) [gdlancer]> MATCH (v0:Label_0)-[e0]->()-[e1*1..1]->(v1) WHERE (id(v0) == 15) AND ((v1.Label_6.Label_6_4_Int == v1.Label_6.Label_6_5_Int)) return labels(v1),  v1.Label_6.Label_6_4_Int, v1.Label_6.Label_6_5_Int, ((v1.Label_6.Label_6_4_Int == v1.Label_6.Label_6_5_Int))
+-------------+--------------------------+--------------------------+------------------------------------------------------+
| labels(v1)  | v1.Label_6.Label_6_4_Int | v1.Label_6.Label_6_5_Int | (v1.Label_6.Label_6_4_Int==v1.Label_6.Label_6_5_Int) |
+-------------+--------------------------+--------------------------+------------------------------------------------------+
| ["Label_2"] | __NULL__                 | __NULL__                 | __NULL__                                             |
| ["Label_2"] | __NULL__                 | __NULL__                 | __NULL__                                             |
| ["Label_2"] | __NULL__                 | __NULL__                 | __NULL__                                             |
+-------------+--------------------------+--------------------------+------------------------------------------------------+
Got 3 rows (time spent 3.693ms/17.584958ms)

Thu, 12 Jan 2023 17:38:19 CST

(root@nebula) [gdlancer]>

((v1.Label_6.Label_6_4_Int == v1.Label_6.Label_6_5_Int)) evaluate to null but the filter in WHERE (id(v0) == 15) AND ((v1.Label_6.Label_6_4_Int == v1.Label_6.Label_6_5_Int)) did not work and return three wrong result.

Your Environments (required)

• OS: uname -a
• Compiler: g++ --version or clang++ --version
• CPU: lscpu
• Commit id (e.g. a3ffc7d8) https://github.com/vesoft-inc/nebula-ent/commit/261433608ccb385339a610a3877014377defc379

How To Reproduce(required)

Steps to reproduce the behavior:

1. Step 1
2. Step 2
3. Step 3

Expected behavior

Additional context

[jinyingsunny]

暂时关闭吧