ITEM DEFINITION TABLE EXT

Data Type : Item (Field) Information

ITEM_DEFINITION_TABLE_EXT - Database Item Definition Table (Extended)

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#include <nsfdb.h>

Definition :

typedef struct {
   DWORD  Items;          /* number of items in the table */
   DWORD  ItemDefArray;   /* Memory handle of ITEM_DEFINITION_EXT
                             structures */
   DWORD  NumSegments;    /* Number of non-null segments in
                             ItemNameSegs */
   DHANDLE ItemNameSegs[MAX_ITEMDEF_SEGMENTS]; /* Segments of
                             packed text */
   DWORD  ItemNameSegLengths[MAX_ITEMDEF_SEGMENTS]; /* Length of
                             each non-null text segment */
} ITEM_DEFINITION_TABLE_EXT;

Description :

This table contains extended information for all the items defined in a database. The fields in the structure are:

Items The number of items in the table
ItemDefArray Memory handle of ITEM_DEFINITION_EXT structures
NumSegments Number of non-null segments of packed text.
ItemNameSegs[MAX_ITEMDEF_SEGMENTS] An array of handles to non-null segments of packed text.
ItemNameSegLengths[MAX_ITEMDEF_SEGMENTS] Length of each non-null text segment.

Use the following NSF functions to extract data from this structure:
NSFItemDefExtEntries, NSFItemDefExtGetEntry.

See Also : ITEM_DEFINITION_EXT ITEM_DEFINITION_TABLE_LOCK NSFDbItemDefTableExt NSFItemDefExtEntries NSFItemDefExtFree NSFItemDefExtGetEntry NSFItemDefExtLock NSFItemDefExtUnlock

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