Session, thread, and transaction management

The DataBlade® API provides categories of functions for managing sessions, threads, and transactions.

Table 1. DataBlade® API functions for managing sessions, threads, and transactions
Function category DataBlade® API function DataBlade® API function
Obtaining connection information Connection-parameter functions:

mi_get_connection_info()
mi_get_default_connection_info()
mi_set_default_connection_info()

Session-parameter functions:

mi_get_parameter_info()
mi_set_parameter_info()

Connection user-data functions:

mi_get_connection_user_data()
mi_set_connection_user_data()

 Database-parameter functions:

mi_get_database_info()
mi_get_default_database_info()
mi_set_default_database_info()

Other connection functions:

mi_get_connection_option()
mi_get_id()
mi_get_next_sysname()
mi_get_serverenv()
mi_sysname()
Establishing a connection Server side:

mi_open()

Server side, Advanced function:

mi_get_session_connection()

 Client side:

mi_open()
mi_server_connect()
mi_server_reconnect()
Closing a connection mi_close()
Initializing the DataBlade® API

mi_init_library()
mi_client_locale()
mi_get_default_connection_info()
mi_get_default_database_info()
mi_get_next_sysname()
mi_get_parameter_info()

mi_open()
mi_register_callback()
mi_server_connect()
mi_set_parameter_info()
mi_sysname()
Managing HCL Informix® threads (server side only)

mi_call()
mi_interrupt_check()
mi_yield()

 Advanced function:

mi_call_on_vp()
Obtaining transaction and server-processing state changes

mi_transaction_state() (Server)
mi_transition_type()
mi_get_transaction_id()