Function BsonValueToJsonForLoggingCore

pg_documentdb_core/src/io/pgbson.c:229–334

static const char *
BsonValueToJsonForLoggingCore(const bson_value_t *value, bool quoteStrings)
{
	bson_t bson;
	pgbson *bsonDocument;
	const uint8_t *documentData;
	uint32_t documentLength;
	const char *returnValue;
	char numBuffer[30];

	/* For common types optimize the conversion to logging strings */
	switch (value->value_type)
	{
		case BSON_TYPE_DOCUMENT:
		{
			documentData = value->value.v_doc.data;
			documentLength = value->value.v_doc.data_len;

			if (!bson_init_static(&bson, documentData, documentLength))
			{
				ereport(ERROR, (errcode(ERRCODE_DOCUMENTDB_BADVALUE),
								errmsg("invalid input syntax for BSON")));
			}

			/* since bson strings are palloced - we can simply return the string created. */
			returnValue = bson_as_relaxed_extended_json(&bson, NULL);
			break;
		}

		case BSON_TYPE_UTF8:
		{
			/* create a string that has the original string, \0, and the quotes. */
			if (quoteStrings)
			{
				StringInfoData strData;
				initStringInfo(&strData);
				escape_json(&strData, value->value.v_utf8.str);
				returnValue = strData.data;
			}
			else
			{
				returnValue = pnstrdup(value->value.v_utf8.str, value->value.v_utf8.len);
			}

			break;
		}

		case BSON_TYPE_INT32:
		{
			int strLength = pg_ltoa(value->value.v_int32, numBuffer);
			returnValue = pnstrdup(numBuffer, strLength);
			break;
		}

		case BSON_TYPE_INT64:
		{
			int strLength = pg_lltoa(value->value.v_int64, numBuffer);
			returnValue = pnstrdup(numBuffer, strLength);