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Simplify transformJsonAggConstructor() API

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There's no need for callers to pass aggregate names so that the function
can resolve them to OIDs, when callers can just pass aggregate OIDs
directly to begin with.
This commit is contained in:
Alvaro Herrera
2023-03-30 21:07:24 +02:00
parent 60966f56c3
commit 63cc20205c
1 changed files with 15 additions and 21 deletions
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36
src/backend/parser/parse_expr.c
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@ -3611,11 +3611,10 @@ transformJsonArrayQueryConstructor(ParseState *pstate,
static Node *
transformJsonAggConstructor(ParseState *pstate, JsonAggConstructor *agg_ctor,
JsonReturning *returning, List *args,
const char *aggfn, Oid aggtype,
Oid aggfnoid, Oid aggtype,
JsonConstructorType ctor_type,
bool unique, bool absent_on_null)
{
Oid aggfnoid;
Node *node;
Expr *aggfilter;
@ -3623,9 +3622,6 @@ transformJsonAggConstructor(ParseState *pstate, JsonAggConstructor *agg_ctor,
transformWhereClause(pstate, agg_ctor->agg_filter,
EXPR_KIND_FILTER, "FILTER") : NULL;
aggfnoid = DatumGetInt32(DirectFunctionCall1(regprocin,
CStringGetDatum(aggfn)));
if (agg_ctor->over)
{
/* window function */
@ -3703,7 +3699,7 @@ transformJsonObjectAgg(ParseState *pstate, JsonObjectAgg *agg)
Node *key;
Node *val;
List *args;
const char *aggfnname;
Oid aggfnoid;
Oid aggtype;
key = transformExprRecurse(pstate, (Node *) agg->arg->key);
@ -3717,13 +3713,13 @@ transformJsonObjectAgg(ParseState *pstate, JsonObjectAgg *agg)
{
if (agg->absent_on_null)
if (agg->unique)
aggfnname = "pg_catalog.jsonb_object_agg_unique_strict";
aggfnoid = F_JSONB_OBJECT_AGG_UNIQUE_STRICT;
else
aggfnname = "pg_catalog.jsonb_object_agg_strict";
aggfnoid = F_JSONB_OBJECT_AGG_STRICT;
else if (agg->unique)
aggfnname = "pg_catalog.jsonb_object_agg_unique";
aggfnoid = F_JSONB_OBJECT_AGG_UNIQUE;
else
aggfnname = "pg_catalog.jsonb_object_agg";
aggfnoid = F_JSONB_OBJECT_AGG;
aggtype = JSONBOID;
}
@ -3731,19 +3727,19 @@ transformJsonObjectAgg(ParseState *pstate, JsonObjectAgg *agg)
{
if (agg->absent_on_null)
if (agg->unique)
aggfnname = "pg_catalog.json_object_agg_unique_strict";
aggfnoid = F_JSON_OBJECT_AGG_UNIQUE_STRICT;
else
aggfnname = "pg_catalog.json_object_agg_strict";
aggfnoid = F_JSON_OBJECT_AGG_STRICT;
else if (agg->unique)
aggfnname = "pg_catalog.json_object_agg_unique";
aggfnoid = F_JSON_OBJECT_AGG_UNIQUE;
else
aggfnname = "pg_catalog.json_object_agg";
aggfnoid = F_JSON_OBJECT_AGG;
aggtype = JSONOID;
}
return transformJsonAggConstructor(pstate, agg->constructor, returning,
args, aggfnname, aggtype,
args, aggfnoid, aggtype,
JSCTOR_JSON_OBJECTAGG,
agg->unique, agg->absent_on_null);
}
@ -3760,7 +3756,7 @@ transformJsonArrayAgg(ParseState *pstate, JsonArrayAgg *agg)
{
JsonReturning *returning;
Node *arg;
const char *aggfnname;
Oid aggfnoid;
Oid aggtype;
arg = transformJsonValueExpr(pstate, agg->arg, JS_FORMAT_DEFAULT);
@ -3770,19 +3766,17 @@ transformJsonArrayAgg(ParseState *pstate, JsonArrayAgg *agg)
if (returning->format->format_type == JS_FORMAT_JSONB)
{
aggfnname = agg->absent_on_null ?
"pg_catalog.jsonb_agg_strict" : "pg_catalog.jsonb_agg";
aggfnoid = agg->absent_on_null ? F_JSONB_AGG_STRICT : F_JSONB_AGG;
aggtype = JSONBOID;
}
else
{
aggfnname = agg->absent_on_null ?
"pg_catalog.json_agg_strict" : "pg_catalog.json_agg";
aggfnoid = agg->absent_on_null ? F_JSON_AGG_STRICT : F_JSON_AGG;
aggtype = JSONOID;
}
return transformJsonAggConstructor(pstate, agg->constructor, returning,
list_make1(arg), aggfnname, aggtype,
list_make1(arg), aggfnoid, aggtype,
JSCTOR_JSON_ARRAYAGG,
false, agg->absent_on_null);
}