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Convert *GetDatum() and DatumGet*() macros to inline functions

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The previous macro implementations just cast the argument to a target
type but did not check whether the input type was appropriate.  The
function implementation can do better type checking of the input type.

For the *GetDatumFast() macros, converting to an inline function
doesn't work in the !USE_FLOAT8_BYVAL case, but we can use
AssertVariableIsOfTypeMacro() to get a similar level of type checking.

Reviewed-by: Aleksander Alekseev <aleksander@timescale.com>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/8528fb7e-0aa2-6b54-85fb-0c0886dbd6ed%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-09-27 20:47:07 +02:00
parent 8caf96de0b
commit c8b2ef05f4
27 changed files with 650 additions and 189 deletions
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14
src/include/utils/jsonpath.h
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@ -29,8 +29,18 @@ typedef struct
#define JSONPATH_LAX (0x80000000)
#define JSONPATH_HDRSZ (offsetof(JsonPath, data))
#define DatumGetJsonPathP(d) ((JsonPath *) DatumGetPointer(PG_DETOAST_DATUM(d)))
#define DatumGetJsonPathPCopy(d) ((JsonPath *) DatumGetPointer(PG_DETOAST_DATUM_COPY(d)))
static inline JsonPath *
DatumGetJsonPathP(Datum d)
{
return (JsonPath *) PG_DETOAST_DATUM(d);
}
static inline JsonPath *
DatumGetJsonPathPCopy(Datum d)
{
return (JsonPath *) PG_DETOAST_DATUM_COPY(d);
}
#define PG_GETARG_JSONPATH_P(x) DatumGetJsonPathP(PG_GETARG_DATUM(x))
#define PG_GETARG_JSONPATH_P_COPY(x) DatumGetJsonPathPCopy(PG_GETARG_DATUM(x))
#define PG_RETURN_JSONPATH_P(p) PG_RETURN_POINTER(p)