Fix inconsistencies and style issues in new SQL/JSON code

Reported by Alexander Lakhin.

Discussion: https://postgr.es/m/60483139-5c34-851d-baee-6c0d014e1710@gmail.com
This commit is contained in:
Alvaro Herrera 2023-03-30 21:05:35 +02:00
parent 589bb81649
commit 60966f56c3
No known key found for this signature in database
GPG Key ID: 1C20ACB9D5C564AE
5 changed files with 21 additions and 17 deletions

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@ -4479,10 +4479,7 @@ ExecEvalJsonConstructor(ExprState *state, ExprEvalStep *op,
jcstate->constructor->absent_on_null,
jcstate->constructor->unique);
else
{
res = (Datum) 0;
elog(ERROR, "invalid JsonConstructorExpr type %d", ctor->type);
}
*op->resvalue = res;
*op->resnull = isnull;

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@ -3138,7 +3138,7 @@ makeJsonByteaToTextConversion(Node *expr, JsonFormat *format, int location)
}
/*
* Make CaseTestExpr node.
* Make a CaseTestExpr node.
*/
static Node *
makeCaseTestExpr(Node *expr)
@ -3456,6 +3456,9 @@ coerceJsonFuncExpr(ParseState *pstate, Node *expr,
return res;
}
/*
* Make a JsonConstructorExpr node.
*/
static Node *
makeJsonConstructorExpr(ParseState *pstate, JsonConstructorType type,
List *args, Expr *fexpr, JsonReturning *returning,
@ -3464,8 +3467,6 @@ makeJsonConstructorExpr(ParseState *pstate, JsonConstructorType type,
JsonConstructorExpr *jsctor = makeNode(JsonConstructorExpr);
Node *placeholder;
Node *coercion;
Oid intermediate_typid =
returning->format->format_type == JS_FORMAT_JSONB ? JSONBOID : JSONOID;
jsctor->args = args;
jsctor->func = fexpr;
@ -3481,7 +3482,8 @@ makeJsonConstructorExpr(ParseState *pstate, JsonConstructorType type,
{
CaseTestExpr *cte = makeNode(CaseTestExpr);
cte->typeId = intermediate_typid;
cte->typeId = returning->format->format_type == JS_FORMAT_JSONB ?
JSONBOID : JSONOID;
cte->typeMod = -1;
cte->collation = InvalidOid;
@ -3501,7 +3503,7 @@ makeJsonConstructorExpr(ParseState *pstate, JsonConstructorType type,
*
* JSON_OBJECT() is transformed into json[b]_build_object[_ext]() call
* depending on the output JSON format. The first two arguments of
* json[b]_build_object_ext() are absent_on_null and check_key_uniqueness.
* json[b]_build_object_ext() are absent_on_null and check_unique.
*
* Then function call result is coerced to the target type.
*/
@ -3615,9 +3617,11 @@ transformJsonAggConstructor(ParseState *pstate, JsonAggConstructor *agg_ctor,
{
Oid aggfnoid;
Node *node;
Expr *aggfilter = agg_ctor->agg_filter ? (Expr *)
transformWhereClause(pstate, agg_ctor->agg_filter,
EXPR_KIND_FILTER, "FILTER") : NULL;
Expr *aggfilter;
aggfilter = agg_ctor->agg_filter ? (Expr *)
transformWhereClause(pstate, agg_ctor->agg_filter,
EXPR_KIND_FILTER, "FILTER") : NULL;
aggfnoid = DatumGetInt32(DirectFunctionCall1(regprocin,
CStringGetDatum(aggfn)));
@ -3631,10 +3635,10 @@ transformJsonAggConstructor(ParseState *pstate, JsonAggConstructor *agg_ctor,
wfunc->wintype = aggtype;
/* wincollid and inputcollid will be set by parse_collate.c */
wfunc->args = args;
wfunc->aggfilter = aggfilter;
/* winref will be set by transformWindowFuncCall */
wfunc->winstar = false;
wfunc->winagg = true;
wfunc->aggfilter = aggfilter;
wfunc->location = agg_ctor->location;
/*
@ -3659,7 +3663,7 @@ transformJsonAggConstructor(ParseState *pstate, JsonAggConstructor *agg_ctor,
aggref->aggtype = aggtype;
/* aggcollid and inputcollid will be set by parse_collate.c */
aggref->aggtranstype = InvalidOid; /* will be set by planner */
/* aggtranstype will be set by planner */
/* aggargtypes will be set by transformAggregateCall */
/* aggdirectargs and args will be set by transformAggregateCall */
/* aggorder and aggdistinct will be set by transformAggregateCall */
@ -3667,8 +3671,11 @@ transformJsonAggConstructor(ParseState *pstate, JsonAggConstructor *agg_ctor,
aggref->aggstar = false;
aggref->aggvariadic = false;
aggref->aggkind = AGGKIND_NORMAL;
aggref->aggpresorted = false;
/* agglevelsup will be set by transformAggregateCall */
aggref->aggsplit = AGGSPLIT_SIMPLE; /* planner might change this */
aggref->aggno = -1; /* planner will set aggno and aggtransno */
aggref->aggtransno = -1;
aggref->location = agg_ctor->location;
transformAggregateCall(pstate, aggref, args, agg_ctor->agg_order, false);
@ -3685,7 +3692,7 @@ transformJsonAggConstructor(ParseState *pstate, JsonAggConstructor *agg_ctor,
* Transform JSON_OBJECTAGG() aggregate function.
*
* JSON_OBJECTAGG() is transformed into
* json[b]_objectagg(key, value, absent_on_null, check_unique) call depending on
* json[b]_objectagg[_unique][_strict](key, value) call depending on
* the output JSON format. Then the function call result is coerced to the
* target output type.
*/

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@ -10654,7 +10654,7 @@ get_json_constructor(JsonConstructorExpr *ctor, deparse_context *context,
funcname = "JSON_ARRAY";
break;
default:
elog(ERROR, "invalid JsonConstructorExprType %d", ctor->type);
elog(ERROR, "invalid JsonConstructorType %d", ctor->type);
}
appendStringInfo(buf, "%s(", funcname);

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@ -1809,7 +1809,7 @@ typedef struct JsonObjectAgg
/*
* JsonArrayAgg -
* untransformed representation of JSON_ARRRAYAGG()
* untransformed representation of JSON_ARRAYAGG()
*/
typedef struct JsonArrayAgg
{

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@ -1548,7 +1548,7 @@ typedef struct JsonReturning
/*
* JsonValueExpr -
* representation of JSON value expression (expr [FORMAT json_format])
* representation of JSON value expression (expr [FORMAT JsonFormat])
*/
typedef struct JsonValueExpr
{