fix: concurrent INSERT with NULL unique key causes false duplicate errors#24054

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mergify[bot] merged 6 commits intomatrixorigin:mainfrom

XuPeng-SH:fix-null-unique-key-proper

Apr 5, 2026

Commits on Apr 3, 2026

fix: skip NULLs in duplicate key checking per SQL standard (NULL != NULL)

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Add unit tests for NULL unique key handling

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Merge branch 'main' into fix-null-unique-key-proper
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Commits on Apr 4, 2026

fix: use types.Enum instead of uint16 for ENUM vector operations

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test: add integration-level tests for NULL handling

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Commits on Apr 5, 2026

Merge branch 'main' into fix-null-unique-key-proper
XuPeng-SH
authored