Comment enhancements. Add an ALWAYS macro in fkey.c to indicate a branch
that is always taken.
FossilOrigin-Name: d5b714cffffe588dd4dd10e0b82df8d99657be88
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 4090c1a..cbf7cd5 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1283,9 +1283,9 @@
** the from-table is created. The existence of the to-table is not checked.
*/
struct FKey {
- Table *pFrom; /* The table that contains the REFERENCES clause */
+ Table *pFrom; /* Table containing the REFERENCES clause (aka: Child) */
FKey *pNextFrom; /* Next foreign key in pFrom */
- char *zTo; /* Name of table that the key points to */
+ char *zTo; /* Name of table that the key points to (aka: Parent) */
FKey *pNextTo; /* Next foreign key on table named zTo */
FKey *pPrevTo; /* Previous foreign key on table named zTo */
int nCol; /* Number of columns in this key */