Optimize encoding of JsonValue containers

Nikita Glukhov · Nikita Glukhov · commit a0a6d426e679 · 2022-07-27T01:39:15.000+03:00
diff --git a/src/backend/utils/adt/jsonb_util.c b/src/backend/utils/adt/jsonb_util.c
@@ -2354,6 +2354,9 @@ convertJsonbBinary(StringInfo buffer, JEntry *pheader, const JsonbValue *val,
 		appendToBuffer(buffer, (void *) jbc, jc->len);
 		*pheader = JENTRY_ISCONTAINER | (buffer->len - base_offset);
 	}
+	else if (jc->ops == &jsonvContainerOps && !JsonContainerIsScalar(jc))
+		convertJsonbValue(buffer, pheader,
+						  (const JsonValue *) JsonContainerDataPtr(jc), level);
 	else
 		convertJsonbValue(buffer, pheader, JsonValueUnpackBinary(val), level);
 }

Original file line number	Diff line number	Diff line change
`@@ -2354,6 +2354,9 @@ convertJsonbBinary(StringInfo buffer, JEntry pheader, const JsonbValue val,`
`2354`	`2354`	`appendToBuffer(buffer, (void *) jbc, jc->len);`
`2355`	`2355`	`*pheader = JENTRY_ISCONTAINER \| (buffer->len - base_offset);`
`2356`	`2356`	`}`
	`2357`	`+ else if (jc->ops == &jsonvContainerOps && !JsonContainerIsScalar(jc))`
	`2358`	`+ convertJsonbValue(buffer, pheader,`
	`2359`	`+ (const JsonValue *) JsonContainerDataPtr(jc), level);`
`2357`	`2360`	`else`
`2358`	`2361`	`convertJsonbValue(buffer, pheader, JsonValueUnpackBinary(val), level);`
`2359`	`2362`	`}`