Features from Previous Versions

Dynamic Server, Version 9.4, introduced the following enhancements to the DataBlade API:

• The mi_get_db_locale( ) function to return the value of the current database server locale.
• The mi_get_transaction_id( ) function to return the ID of the current transaction.
• The mi_realloc( ) function to change the size of an existing memory block.
• The mi_stack_limit( ) function to determine whether the current user stack has the specified amount of free space.
• The mi_system( ) function to execute operating system commands in a separate thread and return status to the calling routine.
• Stream support functions can now accept files up to 4 TB in size.

The following DataBlade API features were introduced in IBM Informix Dynamic Server, Version 9.3:

• The PER_STMT_EXEC and PER_STMT_PREP memory durations
• The ability to use mi_lo* routines without a connection
• The mi_collection_card( ) function to return the cardinality for collections (number of items in the collection)
• Access to files on a client computer one buffer at a time
• The mi_transaction_state( ) function to return the current transaction state (none, implicit, or explicit)
• Stream input-output (I/O) interface (mi_stream* functions)

Version 9.3 also includes the following improvements in the area of extensibility:

• The deepcopy( ) function for multirepresentational data types
• Temporary sbspaces and smart large objects
• Improved partitioning of user data and metadata in sbspaces

The following DataBlade API features were introduced in IBM Informix Dynamic Server, Version 9.21:

• Functions for controlling the VP environment
• Functions for getting additional information about a UDR