unknown
cc2e929ac4
Bug #31887 : DML Select statement not returning same results ...
when executed in version 5
Zero fill is a field attribute only. So we can't always
propagate constants for zerofill fields : the values and
expression results don't have that flag.
Fixed by converting the const value to a string and
using that in const propagation when the context allows it.
Disable const propagation for fields with ZEROFILL flag in
all the other cases.
mysql-test/r/compare.result:
Bug #31887 : test case
mysql-test/t/compare.test:
Bug #31887 : test case
sql/item.cc:
Bug #31887 : If the context allows conversion
of an int constant to a zero-filled string constant
put the string constant instead of the int constant
when doing const propagation
sql/mysql_priv.h:
Bug #31887 : a macro to get all the Field_num
descendant fields.
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