[client] Reject NOT NULL violations before Java table writes - #4305
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fxbing wants to merge 1 commit into
Open
[client] Reject NOT NULL violations before Java table writes#4305fxbing wants to merge 1 commit into
fxbing wants to merge 1 commit into
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- Validate append/upsert fields and delete keys before encoding in both writer APIs. - Preserve unused null placeholders and cover invalid binary rows with regression tests.
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Purpose
Closes #4302
Prevent silent data corruption when Java writers receive nulls in NOT NULL fields.
Brief change log
Validate append/upsert fields and delete keys before encoding in single-table and multi-table writers, preserving unused null placeholders.
Tests
110 focused JUnit cases passed; Checkstyle and Spotless passed.
Full Maven validation remains blocked by baseline test compilation errors; no CDC E2E.