Class INFORMATION.SCHEMA.VIEWCOLUMNUSAGE

persistent class INFORMATION.SCHEMA.VIEWCOLUMNUSAGE extends %Library.Persistent

SQL Table Name: VIEW_COLUMN_USAGE

Returns one row for each table column that is used in a view where the view and view column can be accessed by the current user in the current namespace.

Inventory

Parameters	Properties	Methods	Queries	Indices	ForeignKeys	Triggers
1	11

Summary

Properties
COLUMNNAME	TABLECATALOG	TABLENAME	TABLESCHEMA	VIEWCATALOG
VIEWNAME	VIEWSCHEMA

Methods
%AddToSaveSet	%AddToSyncSet	%BuildDeferredIndices	%BuildIndicesAsync
%BuildIndicesAsyncResponse	%CheckConstraints	%CheckConstraintsForExtent	%ClassIsLatestVersion
%ClassName	%ComposeOid	%ConstructClone	%Delete
%DeleteExtent	%DeleteId	%DispatchClassMethod	%DispatchGetModified
%DispatchGetProperty	%DispatchMethod	%DispatchSetModified	%DispatchSetMultidimProperty
%DispatchSetProperty	%Exists	%ExistsId	%Extends
%GUID	%GUIDSet	%GetLock	%GetParameter
%GetSwizzleObject	%Id	%IsA	%IsModified
%IsNull	%KillExtent	%LockExtent	%LockId
%New	%NormalizeObject	%ObjectIsNull	%ObjectModified
%Oid	%OnBeforeAddToSync	%OnDeleteFinally	%OnDetermineClass
%OnOpenFinally	%OnSaveFinally	%Open	%OpenId
%OriginalNamespace	%PackageName	%PurgeIndices	%Reload
%RemoveFromSaveSet	%ResolveConcurrencyConflict	%RollBack	%Save
%SaveDirect	%SerializeObject	%SetModified	%SortBegin
%SortEnd	%SyncObjectIn	%SyncTransport	%UnlockExtent
%UnlockId	%ValidateIndices	%ValidateObject	%ValidateTable

Parameters

• parameter READONLY = 1;

READONLY = 1 means that objects can be created, opened but not saved or deleted. Tables are projected to SQL as READONLY.

Properties

• property COLUMNNAME as %String(COLLATION="Upper",MAXLEN=128) [ SqlFieldName = COLUMN_NAME,Required ];

Name of the column.

• property TABLECATALOG as %String(MAXLEN=128) [ Calculated,SqlFieldName = TABLE_CATALOG ];

Table qualifier - always NULL in InterSystems IRIS

• property TABLENAME as %String(COLLATION="Upper",MAXLEN=128) [ SqlFieldName = TABLE_NAME,Required ];

Name of the table.

• property TABLESCHEMA as %String(COLLATION="Upper",MAXLEN=128) [ SqlFieldName = TABLE_SCHEMA,Required ];

Name of schema that contains the table.

• property VIEWCATALOG as %String(MAXLEN=128) [ Calculated,SqlFieldName = VIEW_CATALOG ];

View qualifier - always NULL in InterSystems IRIS

• property VIEWNAME as %String(COLLATION="Upper",MAXLEN=128) [ SqlFieldName = VIEW_NAME,Required ];

Name of the view.

• property VIEWSCHEMA as %String(COLLATION="Upper",MAXLEN=128) [ SqlFieldName = VIEW_SCHEMA,Required ];

Name of schema that contains the view.

Class Reference IRIS for UNIX 2024.1.2
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