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Commitfbc3def

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Tidy up the populate/to_record{set} code for json a bit.
In the process fix a small bug.
1 parent4963886 commitfbc3def

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1 file changed

+18
-36
lines changed

1 file changed

+18
-36
lines changed

‎src/backend/utils/adt/jsonfuncs.c

Lines changed: 18 additions & 36 deletions
Original file line numberDiff line numberDiff line change
@@ -2029,8 +2029,8 @@ json_to_record(PG_FUNCTION_ARGS)
20292029
staticinlineDatum
20302030
populate_record_worker(FunctionCallInfofcinfo,boolhave_record_arg)
20312031
{
2032-
Oidargtype;
2033-
Oidjtype=get_fn_expr_argtype(fcinfo->flinfo,have_record_arg ?1 :0);
2032+
intjson_arg_num=have_record_arg ?1 :0;
2033+
Oidjtype=get_fn_expr_argtype(fcinfo->flinfo,json_arg_num);
20342034
text*json;
20352035
Jsonb*jb=NULL;
20362036
booluse_json_as_text;
@@ -2049,12 +2049,12 @@ populate_record_worker(FunctionCallInfo fcinfo, bool have_record_arg)
20492049

20502050
Assert(jtype==JSONOID||jtype==JSONBOID);
20512051

2052-
use_json_as_text=PG_ARGISNULL(have_record_arg ?2 :1) ? false :
2053-
PG_GETARG_BOOL(have_record_arg ?2 :1);
2052+
use_json_as_text=PG_ARGISNULL(json_arg_num+1) ? false :
2053+
PG_GETARG_BOOL(json_arg_num+1);
20542054

20552055
if (have_record_arg)
20562056
{
2057-
argtype=get_fn_expr_argtype(fcinfo->flinfo,0);
2057+
Oidargtype=get_fn_expr_argtype(fcinfo->flinfo,0);
20582058

20592059
if (!type_is_rowtype(argtype))
20602060
ereport(ERROR,
@@ -2091,8 +2091,6 @@ populate_record_worker(FunctionCallInfo fcinfo, bool have_record_arg)
20912091
else
20922092
{/* json{b}_to_record case */
20932093

2094-
use_json_as_text=PG_ARGISNULL(1) ? false :PG_GETARG_BOOL(1);
2095-
20962094
if (PG_ARGISNULL(0))
20972095
PG_RETURN_NULL();
20982096

@@ -2108,7 +2106,7 @@ populate_record_worker(FunctionCallInfo fcinfo, bool have_record_arg)
21082106
if (jtype==JSONOID)
21092107
{
21102108
/* just get the text */
2111-
json=PG_GETARG_TEXT_P(have_record_arg ?1 :0);
2109+
json=PG_GETARG_TEXT_P(json_arg_num);
21122110

21132111
json_hash=get_json_object_as_hash(json,"json_populate_record",use_json_as_text);
21142112

@@ -2123,7 +2121,7 @@ populate_record_worker(FunctionCallInfo fcinfo, bool have_record_arg)
21232121
}
21242122
else
21252123
{
2126-
jb=PG_GETARG_JSONB(have_record_arg ?1 :0);
2124+
jb=PG_GETARG_JSONB(json_arg_num);
21272125

21282126
/* same logic as for json */
21292127
if (!have_record_arg&&rec)
@@ -2591,8 +2589,8 @@ json_to_recordset(PG_FUNCTION_ARGS)
25912589
staticinlineDatum
25922590
populate_recordset_worker(FunctionCallInfofcinfo,boolhave_record_arg)
25932591
{
2594-
Oidargtype;
2595-
Oidjtype=get_fn_expr_argtype(fcinfo->flinfo,have_record_arg ?1 :0);
2592+
intjson_arg_num=have_record_arg ?1 :0;
2593+
Oidjtype=get_fn_expr_argtype(fcinfo->flinfo,json_arg_num);
25962594
booluse_json_as_text;
25972595
ReturnSetInfo*rsi;
25982596
MemoryContextold_cxt;
@@ -2604,22 +2602,16 @@ populate_recordset_worker(FunctionCallInfo fcinfo, bool have_record_arg)
26042602
intncolumns;
26052603
PopulateRecordsetState*state;
26062604

2605+
use_json_as_text=PG_ARGISNULL(json_arg_num+1) ? false :PG_GETARG_BOOL(json_arg_num+1);
2606+
26072607
if (have_record_arg)
26082608
{
2609-
argtype=get_fn_expr_argtype(fcinfo->flinfo,0);
2610-
2611-
use_json_as_text=PG_ARGISNULL(2) ? false :PG_GETARG_BOOL(2);
2609+
Oidargtype=get_fn_expr_argtype(fcinfo->flinfo,0);
26122610

26132611
if (!type_is_rowtype(argtype))
26142612
ereport(ERROR,
26152613
(errcode(ERRCODE_DATATYPE_MISMATCH),
2616-
errmsg("first argument of json_populate_recordset must be a row type")));
2617-
}
2618-
else
2619-
{
2620-
argtype=InvalidOid;
2621-
2622-
use_json_as_text=PG_ARGISNULL(1) ? false :PG_GETARG_BOOL(1);
2614+
errmsg("first argument must be a row type")));
26232615
}
26242616

26252617
rsi= (ReturnSetInfo*)fcinfo->resultinfo;
@@ -2647,23 +2639,13 @@ populate_recordset_worker(FunctionCallInfo fcinfo, bool have_record_arg)
26472639
"that cannot accept type record")));
26482640

26492641
/* if the json is null send back an empty set */
2650-
if (have_record_arg)
2651-
{
2652-
if (PG_ARGISNULL(1))
2653-
PG_RETURN_NULL();
2654-
2655-
if (PG_ARGISNULL(0))
2656-
rec=NULL;
2657-
else
2658-
rec=PG_GETARG_HEAPTUPLEHEADER(0);
2659-
}
2660-
else
2661-
{
2662-
if (PG_ARGISNULL(1))
2663-
PG_RETURN_NULL();
2642+
if (PG_ARGISNULL(json_arg_num))
2643+
PG_RETURN_NULL();
26642644

2645+
if (!have_record_arg||PG_ARGISNULL(0))
26652646
rec=NULL;
2666-
}
2647+
else
2648+
rec=PG_GETARG_HEAPTUPLEHEADER(0);
26672649

26682650
tupType=tupdesc->tdtypeid;
26692651
tupTypmod=tupdesc->tdtypmod;

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