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-rw-r--r--src/backend/executor/execExpr.c45
-rw-r--r--src/backend/executor/execExprInterp.c42
2 files changed, 86 insertions, 1 deletions
diff --git a/src/backend/executor/execExpr.c b/src/backend/executor/execExpr.c
index 1c364a7f4c5..d4d3850ec7c 100644
--- a/src/backend/executor/execExpr.c
+++ b/src/backend/executor/execExpr.c
@@ -47,6 +47,8 @@
#include "utils/array.h"
#include "utils/builtins.h"
#include "utils/datum.h"
+#include "utils/json.h"
+#include "utils/jsonb.h"
#include "utils/jsonpath.h"
#include "utils/lsyscache.h"
#include "utils/typcache.h"
@@ -2460,6 +2462,12 @@ ExecInitExprRec(Expr *node, ExprState *state,
{
ExecInitExprRec(ctor->func, state, resv, resnull);
}
+ else if ((ctor->type == JSCTOR_JSON_PARSE && !ctor->unique) ||
+ ctor->type == JSCTOR_JSON_SERIALIZE)
+ {
+ /* Use the value of the first argument as a result */
+ ExecInitExprRec(linitial(args), state, resv, resnull);
+ }
else
{
scratch.opcode = EEOP_JSON_CONSTRUCTOR;
@@ -2492,6 +2500,43 @@ ExecInitExprRec(Expr *node, ExprState *state,
argno++;
}
+ /* prepare type cache for datum_to_json[b]() */
+ if (ctor->type == JSCTOR_JSON_SCALAR)
+ {
+ bool is_jsonb =
+ ctor->returning->format->format_type == JS_FORMAT_JSONB;
+
+ scratch.d.json_constructor.arg_type_cache =
+ palloc(sizeof(*scratch.d.json_constructor.arg_type_cache) * nargs);
+
+ for (int i = 0; i < nargs; i++)
+ {
+ int category;
+ Oid outfuncid;
+ Oid typid = scratch.d.json_constructor.arg_types[i];
+
+ if (is_jsonb)
+ {
+ JsonbTypeCategory jbcat;
+
+ jsonb_categorize_type(typid, &jbcat, &outfuncid);
+
+ category = (int) jbcat;
+ }
+ else
+ {
+ JsonTypeCategory jscat;
+
+ json_categorize_type(typid, &jscat, &outfuncid);
+
+ category = (int) jscat;
+ }
+
+ scratch.d.json_constructor.arg_type_cache[i].outfuncid = outfuncid;
+ scratch.d.json_constructor.arg_type_cache[i].category = category;
+ }
+ }
+
ExprEvalPushStep(state, &scratch);
}
diff --git a/src/backend/executor/execExprInterp.c b/src/backend/executor/execExprInterp.c
index 1215f707e28..7d4253d970d 100644
--- a/src/backend/executor/execExprInterp.c
+++ b/src/backend/executor/execExprInterp.c
@@ -3982,7 +3982,7 @@ ExecEvalJsonIsPredicate(ExprState *state, ExprEvalStep *op)
* JSON text validation.
*/
if (res && (pred->unique_keys || exprtype == TEXTOID))
- res = json_validate(json, pred->unique_keys);
+ res = json_validate(json, pred->unique_keys, false);
}
else if (exprtype == JSONBOID)
{
@@ -4527,6 +4527,46 @@ ExecEvalJsonConstructor(ExprState *state, ExprEvalStep *op,
op->d.json_constructor.arg_types,
op->d.json_constructor.constructor->absent_on_null,
op->d.json_constructor.constructor->unique);
+ else if (ctor->type == JSCTOR_JSON_SCALAR)
+ {
+ if (op->d.json_constructor.arg_nulls[0])
+ {
+ res = (Datum) 0;
+ isnull = true;
+ }
+ else
+ {
+ Datum value = op->d.json_constructor.arg_values[0];
+ int category = op->d.json_constructor.arg_type_cache[0].category;
+ Oid outfuncid = op->d.json_constructor.arg_type_cache[0].outfuncid;
+
+ if (is_jsonb)
+ res = to_jsonb_worker(value, category, outfuncid);
+ else
+ res = to_json_worker(value, category, outfuncid);
+ }
+ }
+ else if (ctor->type == JSCTOR_JSON_PARSE)
+ {
+ if (op->d.json_constructor.arg_nulls[0])
+ {
+ res = (Datum) 0;
+ isnull = true;
+ }
+ else
+ {
+ Datum value = op->d.json_constructor.arg_values[0];
+ text *js = DatumGetTextP(value);
+
+ if (is_jsonb)
+ res = jsonb_from_text(js, true);
+ else
+ {
+ (void) json_validate(js, true, true);
+ res = value;
+ }
+ }
+ }
else
{
res = (Datum) 0;