Using Globals

• About This Book
• Introduction
• Features
• Examples
• Use in Applications
• Global Structure
• Logical Structure of Globals
• Global Naming Conventions and Limits
• Introduction to Global Nodes and Subscripts
• Global Subscripts
• Global Nodes
• Collation of Globals
• Maximum Length of a Global Reference
• Physical Structure of Globals
• Referencing Globals
• Setting Global Mappings
• Extended Global References
• Using Multidimensional Storage (Globals)
• Storing Data in Globals
• Creating Globals
• Storing Data in Global Nodes
• Storing Structured Data in Global Nodes
• Deleting Global Nodes
• Testing the Existence of a Global Node
• Retrieving the Value of a Global Node
• The $GET Function
• The WRITE, ZWRITE, and ZZDUMP Commands
• Traversing Data within a Global
• The $ORDER (Next / Previous) Function
• Looping Over a Global
• The $QUERY Function
• Copying Data within Globals
• Maintaining Shared Counters within Globals
• Sorting Data within Globals
• Collation of Global Nodes
• Numeric and String-Valued Subscripts
• The $SORTBEGIN and $SORTEND Functions
• Using Indirection with Globals
• Managing Transactions
• Locks and Transactions
• Nested Calls to TSTART
• Managing Concurrency
• Checking the Most Recent Global Reference
• Naked Global Reference
• SQL and Object Use of Multidimensional Storage
• Data
• Default Structure
• IDKEY
• Subclasses
• Parent-Child Relationships
• Embedded Objects
• Streams
• Indices
• Storage Structure of Standard Indices
• Bitmap Indices
• Logical Operation of Bitmap Indices
• Storage Structure of Bitmap Indices
• Direct Access of Bitmap Indices
• Managing Globals
• General Advice
• Introduction to the Globals Page
• Viewing Global Data
• Editing Globals
• Finding Values in Globals
• Performing Wholesale Replacements
• Exporting Globals
• Importing Globals
• Deleting Globals
• APIs for Management Tasks
• Temporary Globals and the IRISTEMP Database
• Defining a Mapping for Temporary Globals
• System Use of IRISTEMP