unknown 42894ed0b8 Fix for bug #30782: Truncated UNSIGNED BIGINT columns only in SELECT w/ CASE, ...

JOIN, and ORDER BY

Problem: improper maximum length calculation of the CASE function leads to 
decimal value truncation (storing/retrieving decimal field values).

Fix: accurately calculate maximum length/unsigned flag/decimals parameters 
of the CASE function.


mysql-test/r/case.result:
  Fix for bug #30782: Truncated UNSIGNED BIGINT columns only in SELECT w/ CASE, 
  JOIN, and ORDER BY
    - test result.
mysql-test/t/case.test:
  Fix for bug #30782: Truncated UNSIGNED BIGINT columns only in SELECT w/ CASE, 
  JOIN, and ORDER BY
    - test case.
sql/item_cmpfunc.cc:
  Fix for bug #30782: Truncated UNSIGNED BIGINT columns only in SELECT w/ CASE, 
  JOIN, and ORDER BY
    - accurately calculate Item_func_case::max_length/unsigned_flag/decimals.
sql/item_cmpfunc.h:
  Fix for bug #30782: Truncated UNSIGNED BIGINT columns only in SELECT w/ CASE, 
  JOIN, and ORDER BY
    - accurately calculate Item_func_case::max_length/unsigned_flag/decimals.

2007-10-29 12:20:21 +04:00

5.7 KiB

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