73 Commits (38841bf189ba365ddca6fae93e9d134c40cabaa4)

Author	SHA1	Message	Date
Rahim Kanji	abd19113c0	Fix RequestEnd: avoid updating internal state when query failed on backend ... RequestEnd was applying state changes (session variable restore, rollback-to-savepoint, multiplexing toggle for temp tables/sequences) even when the query failed to execute on the backend connection. This caused internal state to diverge from the actual backend state. Fix: - Add success/failure flag to RequestEnd calls. - Restrict state-changing logic to Simple Query and Prepared Execute. - Ensure logic only runs when the query executed successfully on backend. This keeps internal state aligned with the backend connection state.	6 months ago
Rahim Kanji	c7ce5a8298	Ensure PgSQL_Threads_Handler and PgSQL_HostGroups_Manager objects are released when ProxySQL shuts down or restarts.	6 months ago
Rahim Kanji	ce94a7080a	Merge branch v3.0_session_param_reset_connection into v3.0_extended_query_protocol	7 months ago
Rahim Kanji	50243ef283	Corrected RESET/DEFAULT logic ... * Now will actually reset value to server default (represented by nullptr value), if that parameter is not set in startup parameter. * Default parameter values (pgsql_default_*) will now be set only for critical parameters.	7 months ago
Rahim Kanji	344ba25777	Add Watchdog PROXYSQLTEST covering MySQL and PgSQL threads	7 months ago
Rahim Kanji	3619fa5d21	Added pgsql-max_stmts_per_connection variable	7 months ago
Rahim Kanji	bc87d0d901	* For a Describe Portal message, peek at the next message in the extended query frame. If it is an Execute message, indicating that client is sending a Bind/Describe/Execute sequence ... skip processing the Describe Portal. This is because libpq automatically includes a Describe Portal during execution, and sending it again would be redundant. * Removed server_capabilities from PgSQL modules	7 months ago
Rahim Kanji	87ad15b01c	* Removed autocommit_on_hostgroup from PostgreSQL modules ... * Introduced an error generator method to reduce code duplication * Added several comments for clarity * Addressed edge cases related to libpq limitations	7 months ago
Rahim Kanji	48ba491cb7	Add support for unnamed Describe Portal and improve extended query handling ... - Always send Describe Portal to the backend - Enforce check for unnamed portals in Bind, Describe, Close, and Execute; raise errors for named portals - Improve error handling for extended query flow - Introduce Extended_Query_Info struct to unify extended query-related members and reduce redundancy	8 months ago
Rahim Kanji	f350102f72	Code cleanup	8 months ago
Rahim Kanji	a741598a8d	Added Describe message handling	8 months ago
Rahim Kanji	24fecc1f6e	Add PostgreSQL extended query (prepared statement) support in ProxySQL ... This commit lays the groundwork for handling PostgreSQL’s extended query protocol (prepared statements) by introducing parsing, it's caching and execution framework stubs. - Implement Parse handling - Implement caching of parse (reuse) - Introduce Execute framework stub for future binding and execution logic.	8 months ago
Rahim Kanji	f9232ae50d	Merge remote-tracking branch 'Master/v3.0' into v3.0_session_parameter_tracking	12 months ago
Rahim Kanji	6603d48bb0	Optimized and simplified PostgreSQL variable Validator	12 months ago
Rahim Kanji	a5b7063cf3	Add validation for PostgreSQL patameters/variables and default PostgreSQL variables ... * Added validation checks when setting PostgreSQL variables to prevent invalid configurations. * Applied the same validation to default PostgreSQL variables to maintain consistency.	12 months ago
Rahim Kanji	e6ddae643b	Now, default variables are set for all tracked variables ... Improved error handling	1 year ago
Rahim Kanji	d2c333dcfd	Special handling of PostgreSQL DateStyle in ProxySQL ... - DateStyle consists of two values: a format and an order (e.g., ISO, MDY). Unlike other parameters, DateStyle can be set with one or both values, and the missing value retains its previous setting. Examples: SET DateStyle TO 'ISO, MDY' → Format: ISO, Order: MDY SET DateStyle TO 'ISO' → Format: ISO, Order remains unchanged i.e MDY SET DateStyle TO 'DMY' → Format remains unchanged i,e ISO, Order: DMY SET DateStyle TO 'Postgres' → Format: Postgres, Order remains unchanged i.e DMY Improved RESET statements and DEFAULT parameter values handling - Enhance RESET and DEFAULT value handling: • When a parameter is RESET or set to DEFAULT, ProxySQL now first checks if a value is provided in the connection options. • If a connection value is specified, it is applied; otherwise, the parameter falls back to the value defined by the corresponding pgsql-default_* variable.	1 year ago
Rahim Kanji	35b2dd593d	Separate implementation of SET statement parser for MySQL and PostgreSQL	1 year ago
René Cannaò	c2f1871adf	Make set_thread_name() optional	1 year ago
Rahim Kanji	0e1392322f	RESET oaramter and DEFAULT parameter value handling (not fully tested yet) ... * New tracked variables added: - bytea_output - client_min_messages - escape_string_warning Few optimizations Code cleanup	1 year ago
Rahim Kanji	06e496b7c3	Added tracking of parameters: ... * client_encoding/names * datestyle * timezone/time zone * standard_conforming_strings	1 year ago
Rahim Kanji	b4e9060f71	Modified Set Parser	1 year ago
Rahim Kanji	794ec0f48d	Merge remote-tracking branch 'Master/v3.0' into v3.0_dynamic_fast_forward	1 year ago
Rahim Kanji	2aa60e3231	Added Session Type in logs	1 year ago
Rahim Kanji	395a977e68	Merge branch 'v3.0'	1 year ago
Rahim Kanji	f33fd02c37	Add COPY ... FROM STDIN detection regex	1 year ago
Rahim Kanji	967386d7d3	Added the SESSION_FORWARD_TYPE enum to define the type of session forwarding	1 year ago
Javier Jaramago Fernández	74c74adf5e	Prevent busy-waiting in active wait during 'listener_del' ... Since the operation of stopping each worker thread listeners is performed during 'maintenance_loops', the active wait taking place in 'listener_del' is likely to take some time. A sensible delay has been added to reduce unneccesary load.	1 year ago
Javier Jaramago Fernández	8bc60ed283	Fix worker threads stalling race condition on RESUME command ... During a RESUME operation, if a 'MySQL_Thread' is bootstrapping listeners (in `MySQL_Thread::run_BootstrapListener`) and detect that `MySQL_Threads_Handler::bootstrapping_listeners` is 'false', the thread prematurely shuts down its own bootstrapping flag from 'mypolls' (`ProxySQL_Poll::bootstrapping_listeners`). Since this thread wont ever bootstrap its corresponding listening sockets, the other working threads will be stalled waiting on it, eventually triggering the watchdog and crashing the instance. Since the bootstrapping operation is sequential, it's expected that all the threads but the one starting their listening sockets are in an active wait. A sensible delay has been introduced to reduce the overhead of such wait.	1 year ago
Rahim Kanji	6d614a4b99	Merge branch 'v3.0'	1 year ago
Javier Jaramago Fernández	100630fba5	Second iteration on PostgreSQL monitoring POC ... This commit packs multiple fixes/improvements: - Added READONLY support for PostgreSQL. - Major rework for queries and statements used on monitoring checks: + Checks/Actions rewrote for single instance checks. + Reuse of prepared statements instance of re-preparation. - Fixed missing error handling in connection creation state machine. - Fixed connection rotation in connection pool (now FIFO). - Added support for configurable batching in scheduler thread, via '*_interval_window' variables. These variables allows to define the burstiness of the scheduling within the processing interval. - Added new config variable 'pgsql-monitor_dbname'. Allows to control which 'db' will be target by monitoring connections. - Several fixes for 'poll' timeout computation for worker threads. - Fixed edge cases for current interval detection. - Reduced deviation in scheduling intervals computation. - Refactored and simplified connection event handling. - Improved error messages for monitoring actions. - Replaced several invalid uses of 'mysql_thread___monitor_*' in favor or new 'mysql_thread___monitor_*' variables. - Honor '-M' argument for disabling monitoring support.	1 year ago
Rahim Kanji	1c70a9c35c	Enabled pgsql-query_cache_stores_empty_result	1 year ago
Rahim Kanji	a49a33c354	Released memory allocated for pgsql_thread___monitor_username and pgsql_thread___monitor_password during the destruction of the PgSQL_Thread	1 year ago
Rahim Kanji	720441af20	Refactored and Optimized Query Cache with PgSQL Support ... * Added Query Cache Support for PgSQL: * Introduced new variables for PgSQL Query Cache management: * pgsql-query_cache_size_MB * pgsql-query_cache_soft_ttl_pct * pgsql-query_cache_stores_empty_result * pgsql-query_cache_handle_warnings (not yet utilized) * Overwriting Transaction Status: * Sending current transaction state to the client when a result is returned from the query cache. * This currently does not differentiate between normal and error transaction states—both are treated as active transaction states. * Cache Lifetime Management: Replaced manual reference counting with std::shared_ptr to efficiently manage the lifecycle of cache entries, ensuring proper memory deallocation and reducing complexity. * Unified Purging Logic: Refactored the query cache purging logic to use a single thread for both MySQL and PgSQL cache entries. * Code Cleanup: Removed unnecessary methods and data members to streamline the codebase and improve maintainability. * Performance Optimization: Improved memory management, reducing memory footprint and enhancing performance.	1 year ago
Javier Jaramago Fernández	705f50e0f9	Add initial POC for PostgreSQL monitoring support	1 year ago
Rahim Kanji	1d217455f9	Merge branch 'v3.0' into v3.0_md5_auth_support	1 year ago
René Cannaò	dd67530af4	Adding some documentation	1 year ago
René Cannaò	04abd43a57	Initial commit with PostgreSQL support	1 year ago
Rahim Kanji	937a04041b	ProxySQL currently supports MD5, CLEAR TEXT and SCRAM-SHA-256 auth method	1 year ago
Rahim Kanji	fad8692e89	Merge remote-tracking branch 'Master_POSTGRES/v2.x_postgres' into v2.x_remove_unused_columns	2 years ago
Rahim Kanji	2730a41a38	Remove 'gtid_port' column from pgsql_servers table	2 years ago
Rahim Kanji	fb0d8c0b69	Merge remote-tracking branch 'remotes/Master_POSTGRES/v2.x_postgres' into v2.x_postgres_backend ... Conflicts: lib/PgSQL_HostGroups_Manager.cpp lib/PgSQL_Thread.cpp	2 years ago
Rahim Kanji	db3fe26590	PgSQL_Thread will now reset connections independently, eliminating the ... need for connections purger HGCU_thread_run(). Changes made: Removed pgsql-reset_connection_algorithm Removed pgsql-connpoll_reset_queue_length Removed HGCU_thread_run()	2 years ago
Rahim Kanji	880d654011	Changing database on the same connection is not supported in PostgreSQL. If a connection with a different database is needed, a new connection will be created; otherwise, a connection with the same database (and username) will be selected from the connection pool.	2 years ago
Rahim Kanji	d01e883638	Renamed 'schemaname' to 'dbname' in PgSQL_Connection_userinfo	2 years ago
Rahim Kanji	058be0d9ae	* Reset the connection if there is a mismatch between client and server ... session variables. * Changing the user on the same connection is not supported in PostgreSQL. If a connection with a different username is needed, a new connection will be created; otherwise, a connection with the same username will be selected from the connection pool. * Added RESET SESSION timeout.	2 years ago
Rene Cannao	2746835aaf	Removing Galera , Aurora and GTID from Postgres	2 years ago
René Cannaò	2eb1d0d1c1	Merge pull request #20 from sysown/v2.x_postgres_backend ... Added generic error handling, transaction detection and handling	2 years ago
Rahim Kanji	5fbfbf26f6	Merge remote-tracking branch 'Master_POSTGRES/v2.x_postgres' into v2.x_postgres_backend	2 years ago
Rahim Kanji	c5c9b4c8d7	Changed PostgreSQL default port ... * Changed admin port from 6034 to 6132 * Changed pgsql backend port from 6035 to 6133	2 years ago