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Co-authored-by: Muspah <43544407+Muspah@users.noreply.github.com>
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[WIP] Fix ValueError for invalid FieldType
Add support for BCD field type (5635)
Jan 3, 2026
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DBISAM tables with BCD (Binary Coded Decimal) fields fail to parse, raising
ValueError: 5635 is not a valid FieldType.Changes
pydbisam/field.py: AddedBCD = (5635, 8)toFieldTypeenum and decode handler (8-byte IEEE-754 double, identical to CURRENCY)NOTES.md: Documented BCD field type (ID 5635, 8 bytes)BCD (0x1603) is used in DBISAM for precise decimal calculations without floating-point rounding errors.
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