graph may coredump when metadata refresh during certain query invoke ScanEdgeProcessor::checkAndBuildContexts especially in asan binary

[mo-avatar]

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Describe the bug (required) graph may coredump when metadata refresh during certain query invoke ScanEdgeProcessor::checkAndBuildContexts especially in asan binary.

Your Environments (required)

• OS: Linux
• Compiler: g++ 10.3
• CPU: 4 x86_64
• Commit id (e.g. a3ffc7d8)

How To Reproduce(required)

Steps to reproduce the behavior:

when you perform ordinary query and schema change simultaneously.

Expected behavior

graph not down

Additional context

[QingZ11]

Thank you, Mo.