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Fixed precision floating point data field
Source position: db.pas line 848
type TFMTBCDField = class(TNumericField) |
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public |
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constructor Create(); override; |
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Create a new instance of the TFMTBCDField class. |
function CheckRange(); |
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Check value if it is in the range defined by MinValue and MaxValue |
property Value: TBCD; [rw] |
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The value of the field as a BCD value |
published |
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Total number of digits in the BCD data |
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property Currency: Boolean; [rw] |
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Does the field contain currency data ? |
property MaxValue: string; [rw] |
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Maximum value for the field |
property MinValue: string; [rw] |
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Minimum value for the field |
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Number of digits after the decimal point |
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end; |
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Fixed precision floating point data field |
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Base class for all numerical data field classes |
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Provide access to the contents of a single field in a record |
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TFMTBCDField is the field created when a data type of ftFMTBCD is encountered. It represents usually a fixed-precision floating point data type (BCD : Binary Coded Decimal data) such as the DECIMAL or NUMERIC field types in an SQL database.
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Class for floating point values |