<transaction>

c-treeRTG for isCOBOL : Configuring the client : Configuring the client through CTREE_CONF : <transaction>

The transaction option indicates whether to create files with transaction support enabled. This feature is turned on by default.

Please note that it is possible to enable/disable transaction support and transaction logging on existing files using the -tron option of the ctutil utility.

Accepted Values

Value	Effect	Synonyms
yes	Turns on transaction support. This is the default value.	y, true, on, 1
no	Turns off transaction support.	n, false, off, 0

Attributes

Attribute	Description	Defalt value
logging	Enable/disable transaction logging. Values: "yes" : Turns on transaction logging. It is indicated when data safety is more important than performance. Files are created with c-tree file mode ctTRNLOG and are automatically recovered after a crash. "no" : Turns off transaction logging. It is indicated when performance is more important than data safety. Files are created with c-tree file mode ctPREIMG. This is the default value.	no
fileoperations (or fileops)	Determines whether file operations (such as file create, delete, and rename) performed within an active transaction are affected by the transaction ending operation (commit or abort): "yes" : File operations are transaction dependent. "no" : File operations performed within an active transaction are not affected by the transaction ending operation (commit or abort).	no
deferautocommit	Turn on optimization that improves performance for functions that use autocommit. Similar to the c-tree DELAYED_DURABILITY keyword, guarantees atomicity and consistency of transaction but not durability because the last transaction could be lost.	no

Example