3786367 - LOCK TABLE IN WRITE MODE with multiple tables behaves differently after apply IQ 16.1 SP05 PL13 and later - SAP IQ

Symptom

After upgrading or applying patch SAP IQ 16.1 SP05 PL13 and higher, LOCK TABLE IN WRITE MODE with multiple tables no longer acquires all available tables immediately; instead, tables are locked strictly in the listed order.
This behavior relates with the fix of CR 829125.

Environment

SAP IQ 16.1 SP05 PL13 and later

Product

SAP IQ 16.1

Keywords

lock table in write mode, multi-table lock, sequential locking, locking order, lock acquisition time, deadlock, timeout, SQLCODE -1175, ODBC 40001, sp_iqlocks, concurrency, IQ 16.1 SP05 PL13, behavior change, CR 829125 , KBA , BC-SYB-IQ , Sybase IQ , Product Enhancement

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