Raghavendra Reddy <[EMAIL PROTECTED]> writes:
> While inserting numeric data type into a table can you please let me
> know how you are storing the value in the database.
>From src/include/utils/numeric.h:
/*
* The Numeric data type stored in the database
*
* NOTE: by convention, values in the packed form have been stripped of
* all leading and trailing zero digits (where a "digit" is of base NBASE).
* In particular, if the value is zero, there will be no digits at all!
* The weight is arbitrary in that case, but we normally set it to zero.
*/
typedef struct NumericData
{
int32 varlen; /* Variable size (std varlena header) */
int16 n_weight; /* Weight of 1st digit */
uint16 n_sign_dscale; /* Sign + display scale */
char n_data[1]; /* Digits (really array of NumericDigit) */
} NumericData;
See also the comments at the top of src/backend/utils/adt/numeric.c.
regards, tom lane
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