Method close

server/src/main/java/io/crate/session/Session.java:979–1010

Close a portal or prepared statement From PostgreSQL ExtendedQuery protocol spec: The Close message closes an existing prepared statement or portal and releases resources. It is not an error to issue Close against a nonexistent statement or portal name. [..] Note t

(byte type, String name)

     * @param name name of the prepared statement or the portal (depending on type)
     */
    public void close(byte type, String name) {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("method=close type={} name={}", (char) type, name);
        }

        switch (type) {
            case 'P': {
                Portal portal = portals.remove(name);
                if (portal != null) {
                    portal.closeActiveConsumer();
                }
                return;
            }
            case 'S': {
                PreparedStmt preparedStmt = preparedStatements.remove(name);
                if (preparedStmt != null) {
                    Iterator<Map.Entry<String, Portal>> it = portals.entrySet().iterator();
                    while (it.hasNext()) {
                        var entry = it.next();
                        var portal = entry.getValue();
                        if (portal.preparedStmt().equals(preparedStmt)) {
                            portal.closeActiveConsumer();
                            it.remove();
                        }
                    }
                }
                return;
            }
            default:
                throw new IllegalArgumentException("Invalid type: " + type + ", valid types are: [P, S]");
        }
    }

    @Override
    public void close() {