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Add support for (de)serialization of Integer to/from numeric #90

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Merged
arybczak merged 2 commits into from
Apr 14, 2026
Merged

Add support for (de)serialization of Integer to/from numeric #90

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fd0dab5
Add support for (de)serialization of Integer to/from numeric
arybczak Apr 13, 2026
f9fd776
Add a range check when deserializing array of digits
arybczak Apr 14, 2026
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3 changes: 2 additions & 1 deletion CHANGELOG.md
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
# hpqtypes-1.14.1.0
# hpqtypes-1.14.1.0 (????-??-??)
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@bgohla bgohla Apr 14, 2026

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Will the date be set in a separate commit?

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@arybczak arybczak Apr 14, 2026

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yes

* Introduce From/ToSQL instances for Word16, Word32 and Word64.
* Add support for (de)serialization of `Integer` to/from `numeric`.

# hpqtypes-1.14.0.0 (2025-12-10)
* Make `begin`, `commit` and `rollback` do nothing instead of throwing an error
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13 changes: 13 additions & 0 deletions libpqtypes/src/libpqtypes.h
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Expand Up @@ -180,6 +180,19 @@ typedef float PGfloat4;
typedef double PGfloat8;
typedef char *PGnumeric;

#define NUMERIC_POS 0x0000
#define NUMERIC_NEG 0x4000
#define NUMERIC_NAN 0xC000

typedef struct
{
short ndigits; /* # of digits in digits[] - can be 0! */
short weight; /* weight of first digit */
short sign; /* NUMERIC_POS, NUMERIC_NEG, or NUMERIC_NAN */
short dscale; /* display scale */
const short *digits; /* base-NBASE digits in network byte order */
} NumericVar;

/* Defined by an end-user if the system is missing long long. */
#ifdef PQT_LONG_LONG
typedef PQT_LONG_LONG PGint8;
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