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DB_E_PENDINGINSERT
Meaning
Windows documents DB_E_PENDINGINSERT as “Most recent data for a newly inserted row could not be retrieved because the insert is pending”. In this case, a consumer asks for current provider data for a row whose insert still exists only as a deferred pending change.
Relevant contract
Deferred-update rowsets retain pending inserts, updates and deletes until IRowsetUpdate::Update or Undo resolves them. Rows with reference count zero can remain active solely because pending state still exists, and provider limits can count those rows.
Investigation of this result should start with the rowset generation, HROW state, pending-status array and granted update properties.
Evidence to collect
When recording diagnostic data involving changed row values, keys and original-value snapshots, use types, lengths, hashes or redacted identifiers rather than secrets or complete business data.
- Evidence 1: pending status for the HROW.
- Evidence 2: whether Update attempted and succeeded for that row.
- Evidence 3: column statuses for defaults, identities and computed values.
Conditions that specifically lead to it
- Cause 1: IRowsetUpdate::Update has not transmitted the new row.
- Cause 2: a resynchronization path runs before the insert batch is committed.
- Cause 3: the provider-generated values do not exist until insertion reaches the data store.
Diagnostic sequence
- Identify the exact failing stage: a consumer asks for current provider data for a row whose insert still exists only as a deferred pending change.
Retry and recovery
Retry rule: retry the refresh after the pending insert has been successfully transmitted.
Corrective actions
- Action 1: transmit the pending insert before requesting most recent data.
- Action 2: inspect per-row status from Update.
- Action 3: delay identity or computed-column reads until the provider confirms insertion.
Practical scenario
A UI requests the server identity value immediately after a deferred InsertRow; updating the row first makes the value available.
Difference from nearby HRESULT values
DB_E_NEWLYINSERTED concerns operations restricted on an already transmitted new row, while DB_E_PENDINGINSERT concerns a row not yet transmitted.
Official Microsoft references
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