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unknown authored
mysql-test/r/create.result: added test for bug #910 (right type of ifnull function) mysql-test/t/create.test: added test for bug #910 (right type of ifnull function) sql/field.h: added new constructors of Field_decimal, Field_tiny, Field_short, Field_float, Field_null, Field_year for using in Item::tmp_table_field_from_field_type sql/item.cc: added Item::tmp_table_field_from_field_type sql/item.h: added Item::tmp_table_field_from_field_type
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