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SQLITE_E_NOMEM
SQLITE_E_NOMEM corresponds to SQLite SQLITE_NOMEM. A memory allocation required by SQLite failed.
What to check for SQLITE_E_NOMEM
- Measure process memory limits, container limits, address-space pressure, and the size of result sets or bound BLOB values.
- Check application-configured SQLite heap limits or custom allocators before assuming a machine-wide out-of-memory condition.
- Avoid retrying a memory-intensive query unchanged; limit batches, stream data, or reduce working-set requirements.
PRAGMA cache_size;SQLite: Result and Error Codes
Diagnostic interpretation of SQLITE_E_NOMEM
SQLITE_E_NOMEM has the HRESULT value 0x87AF0007. AllStat records the condition as “A malloc() failed”. For SQLITE_E_NOMEM, in practice, interpret that wording at the boundary owned by the Windows component or COM interface that returned the HRESULT, rather than treating the value as a generic Windows message.
Evidence to capture for SQLITE_E_NOMEM
- Record the exact COM method or Windows API, its input object, the calling thread, and the full 0x87AF0007 value before a wrapper converts it to an exception or Boolean result.
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions SQLITE_E_NOMEM or the sqlite / nomem operation.
- Reproduce SQLITE_E_NOMEM with the smallest valid input and note whether the result changes with identity, architecture, service state, or target object.
Retry and recovery for SQLITE_E_NOMEM
Retry SQLITE_E_NOMEM only when the owning API documents a transient state or after the condition described as “A malloc() failed” has changed. For SQLITE_E_NOMEM, configuration, policy, format, and authorization failures normally require correction first; an immediate loop can hide the original call site and add secondary errors.
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