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Update DATA_EXPORTER package to version 2.10.1, fixing redundant deletion of COMPLETED chunks before parallel export to prevent ORA-01403 errors.

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This commit is contained in:
Grzegorz Michalski
2026-02-17 12:03:36 +01:00
parent 020dacb571
commit 6ade77c3c0
2 changed files with 4 additions and 18 deletions
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17
MARS_Packages/REL01_ADDITIONS/MARS-835-PREHOOK/new_version/DATA_EXPORTER.pkb
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@@ -1047,22 +1047,7 @@ AS
vChunkId NUMBER;
BEGIN
ENV_MANAGER.LOG_PROCESS_EVENT('Using parallel processing with ' || pParallelDegree || ' threads', 'INFO', vParameters);
-- Clean up old completed chunks (>24 hours) to prevent table bloat
-- CRITICAL: Do NOT delete chunks from other active sessions (same-day tasks)
-- This prevents race conditions when multiple exports run simultaneously
DELETE FROM CT_MRDS.A_PARALLEL_EXPORT_CHUNKS
WHERE STATUS = 'COMPLETED'
AND CREATED_DATE < SYSTIMESTAMP - INTERVAL '1' DAY;
COMMIT;
ENV_MANAGER.LOG_PROCESS_EVENT('Cleared old COMPLETED chunks (>24h). Active session chunks preserved.', 'DEBUG', vParameters);
-- This prevents re-exporting successfully completed partitions
DELETE FROM CT_MRDS.A_PARALLEL_EXPORT_CHUNKS WHERE STATUS = 'COMPLETED';
COMMIT;
ENV_MANAGER.LOG_PROCESS_EVENT('Cleared COMPLETED chunks. FAILED chunks retained for retry.', 'DEBUG', vParameters);
-- Populate chunks table (insert new chunks, preserve FAILED chunks for retry)
FOR i IN 1 .. vPartitions.COUNT LOOP
MERGE INTO CT_MRDS.A_PARALLEL_EXPORT_CHUNKS t