func (c *FrontendConnection) readBindMessage(msg *fbcore.Message) error {
portalName, err := fbbuf.ReadCString(msg.Payload())
if err != nil {
return err
}
if portalName != "" {
return fmt.Errorf("attempted to bind to a named portal %q; only the unnamed portal is supported")
}
statementName, err := fbbuf.ReadCString(msg.Payload())
if err != nil {
return err
}
if statementName != "" {
return fmt.Errorf("attempted to bind statement %q, even though it has not been parsed yet", statementName)
}
numParamFormats, err := fbbuf.ReadInt16(msg.Payload())
if err != nil {
return err
}
if numParamFormats != 0 {
return fmt.Errorf("the number of parameter formats (%d) does not match the number of parameters in the query (0)", numParamFormats)
}
numParameters, err := fbbuf.ReadInt16(msg.Payload())
if err != nil {
return err
}
if numParameters != 0 {
return fmt.Errorf("the number of parameters provided by the client (%d) does not match the number of parameters in the query (0)", numParameters)
}
// TODO: ensure we're at the end of the packet
return nil
}
func (c *FrontendConnection) readParseMessage(msg *fbcore.Message) (queryString string, err error) {
statementName, err := fbbuf.ReadCString(msg.Payload())
if err != nil {
return "", err
}
if statementName != "" {
return "", fmt.Errorf("attempted to use statement name %q; only unnamed statements are supported")
}
queryString, err = fbbuf.ReadCString(msg.Payload())
if err != nil {
return "", err
}
numParamTypes, err := fbbuf.ReadInt16(msg.Payload())
if err != nil {
return "", err
}
if numParamTypes != 0 {
return "", fmt.Errorf("attempted to prepare a statement with %d param types", numParamTypes)
}
// TODO: ensure we're at the end of the packet
return queryString, nil
}
