6538 typedef struct FKey FKey;  typedef
8139 struct FKey {  struct
8141   FKey *pNextFrom;  /* Next foreign key in pFrom */  argument
8143   FKey *pNextTo;    /* Next foreign key that points to zTo */  argument
8144   int nCol;         /* Number of columns in this key */
8145   struct sColMap {  /* Mapping of columns in pFrom to columns in zTo */
8148   } *aCol;          /* One entry for each of nCol column s */
8149   u8 isDeferred;    /* True if constraint checking is deferred till COMMIT */
8150   u8 updateConf;    /* How to resolve conflicts that occur on UPDATE */
8151   u8 deleteConf;    /* How to resolve conflicts that occur on DELETE */
8152   u8 insertConf;    /* How to resolve conflicts that occur on INSERT */