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Commitf13f1fd

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author
Nikita Glukhov
committed
Optimize JsonToJsonValue() for jsonv containers
1 parent5539983 commitf13f1fd

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2 files changed

+7
-5
lines changed

2 files changed

+7
-5
lines changed

‎src/backend/utils/adt/json_generic.c

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -562,6 +562,9 @@ jsonvContainerOps =
562562
JsonValue*
563563
JsonToJsonValue(Json*json,JsonValue*jv)
564564
{
565+
if (JsonRoot(json)->ops==&jsonvContainerOps)
566+
return (JsonValue*)JsonRoot(json)->data;
567+
565568
if (!jv)
566569
jv=palloc(sizeof(JsonValue));
567570

@@ -741,9 +744,8 @@ jsonFlatten(Json *json)
741744
}
742745
else
743746
{
744-
JsonValueval;
745-
JsonToJsonValue(json,&val);
746-
returnJsonValueToJsonb(&val);
747+
JsonValueval;
748+
returnJsonValueToJsonb(JsonToJsonValue(json,&val));
747749
}
748750
}
749751
#endif

‎src/backend/utils/adt/jsonb.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -911,11 +911,11 @@ datum_to_jsonb(Datum val, bool is_null, JsonbInState *result,
911911
{
912912
JsonbIteratorTokentype;
913913

914-
JsonToJsonValue(jsonb,&jb);
915914

916915
if (result->parseState)
917916
{
918-
pushScalarJsonbValue(&result->parseState,&jb,
917+
pushScalarJsonbValue(&result->parseState,
918+
JsonToJsonValue(jsonb,&jb),
919919
false, false);
920920
return;
921921
}

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