3022092 - A convert() or cast() may fail due to error 249 depending on query plans - SAP ASE

• convert() or cast() may fail due to error #249 depending on query plans.
• For example, the following query is executed:
  
  select * from test1
  where test1.t1col1 in ( select t2col1 from test2 where t2col1 < 10 )
  and convert(int, test1.t1col2) = 100

• A 249 error may be raised as below if merge join is chosen. It works fine if nested loop join is chosen.
  
  Msg 249, Level 16, State 1:
  Server '<ASE name>', Line 1:
  Syntax error during explicit conversion of CHAR value 'DATA2     ' to a INT field.

SAP Adaptive Server Enterprise (ASE). All versions

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