/*
* Start query
*/
void pool_start_query(POOL_QUERY_CONTEXT *query_context, char *query, int len, Node *node)
{
POOL_SESSION_CONTEXT *session_context;
if (query_context)
{
session_context = pool_get_session_context();
query_context->original_length = len;
query_context->rewritten_length = -1;
query_context->original_query = pstrdup(query);
query_context->rewritten_query = NULL;
query_context->parse_tree = node;
query_context->virtual_master_node_id = my_master_node_id;
query_context->is_cache_safe = false;
if (pool_config->memory_cache_enabled)
query_context->temp_cache = pool_create_temp_query_cache(query);
query_context->is_reflected = false;
query_context->replication_cursor = true;
query_context->loadbalance_cursor = false;
query_context->is_loadbalance = true;
memset(query_context->cursor_name, 0, sizeof(query_context->cursor_name));
pool_set_query_in_progress();
session_context->query_context = query_context;
}
}
/*
* Destroy sent message
*/
void pool_sent_message_destroy(POOL_SENT_MESSAGE *message)
{
bool in_progress;
POOL_QUERY_CONTEXT *qc = NULL;
if (!session_context)
{
pool_error("pool_sent_message_destroy: session context is not initialized");
return;
}
in_progress = pool_is_query_in_progress();
if (message)
{
if (message->contents)
pool_memory_free(session_context->memory_context, message->contents);
if (message->name)
pool_memory_free(session_context->memory_context, message->name);
if (message->query_context)
{
if (session_context->query_context != message->query_context)
qc = session_context->query_context;
if (can_query_context_destroy(message->query_context))
{
pool_query_context_destroy(message->query_context);
/*
* set in_progress flag, because pool_query_context_destroy()
* unsets in_progress flag
*/
if (in_progress)
pool_set_query_in_progress();
/*
* set query_context of session_context, because
* pool_query_context_destroy() sets it to NULL.
*/
if (qc)
session_context->query_context = qc;
}
}
if (session_context->memory_context)
pool_memory_free(session_context->memory_context, message);
}
}
