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Make edge-case behavior of jsonb_populate_record match json_populate_record

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json_populate_record throws an error if asked to convert a JSON scalar
or array into a composite type.  jsonb_populate_record was returning
a record full of NULL fields instead.  It seems better to make it
throw an error for this case as well.

Nikita Glukhov

Discussion: https://postgr.es/m/fbd1d566-bba0-a3de-d6d0-d3b1d7c24ff2@postgrespro.ru
This commit is contained in:
Tom Lane
2017-05-29 19:29:42 -04:00
parent e45c5be99d
commit 68cff231e3
2 changed files with 19 additions and 16 deletions
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17
src/backend/utils/adt/jsonfuncs.c
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@ -2682,9 +2682,24 @@ JsValueToJsObject(JsValue *jsv, JsObject *jso)
if (jbv->type == jbvBinary &&
JsonContainerIsObject(jbv->val.binary.data))
{
jso->val.jsonb_cont = jbv->val.binary.data;
}
else
jso->val.jsonb_cont = NULL;
{
bool is_scalar;
is_scalar = IsAJsonbScalar(jbv) ||
(jbv->type == jbvBinary &&
JsonContainerIsScalar(jbv->val.binary.data));
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
is_scalar
? errmsg("cannot call %s on a scalar",
"populate_composite")
: errmsg("cannot call %s on an array",
"populate_composite")));
}
}
}