Table and Schema Methods

The following methods allow the creation and editing of named Schema objects.

Previous versions of Cadcorp SIS Desktop used Named Tables to view data from a database table, with rows in the table being linked to graphical items by Item properties.

Cadcorp SIS Desktop now uses named Schema objects to control the display of data-oriented parts of the user interface, e.g. the Table Window

TIP: See SIS_OT_SCHEMA for further details.

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CreateColumn	Adds an attribute column to the schema of an idb file.
CreateColumnIndex	Creates an index on an attribute column in an idb file.
DropColumn	Deletes an attribute column from the schema of an idb file.
DropColumnIndex	Deletes an index from an attribute column in an idb file.
GetOverlaySchema	Gets a copy of an overlay schema.
InsertSchemaColumn	Inserts a new column into the currently loaded schema.
IsColumnIndexed	Determines whether an attribute column in an idb file is indexed.
LoadSchema	Loads a named schema for editing.
RefreshOverlayJoinTable	Refreshes the joined overlay and table view.
RemoveSchemaColumn	Removes an existing column from the currently loaded schema.
SetOverlayJoinTable	Sets a join between an overlay and a table
SetOverlaySchema	Applies a copy of a schema to an overlay in the current SWD.
StoreSchema	Stores the currently open schema.
SwdNewWindowTable	Creates a new Table window onto an existing SWD.
TableNewWindow	Creates or activates a view onto a Named Table.

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