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-rw-r--r--src/sqliteInt.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index e56867775..dff0f29ed 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3555,11 +3555,13 @@ struct TreeView {
*/
struct Window {
char *zName; /* Name of window (may be NULL) */
+ char *zBase; /* Name of base window for chaining (may be NULL) */
ExprList *pPartition; /* PARTITION BY clause */
ExprList *pOrderBy; /* ORDER BY clause */
u8 eType; /* TK_RANGE or TK_ROWS */
u8 eStart; /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
u8 eEnd; /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
+ u8 bImplicitFrame; /* True if frame was implicitly specified */
Expr *pStart; /* Expression for "<expr> PRECEDING" */
Expr *pEnd; /* Expression for "<expr> FOLLOWING" */
Window *pNextWin; /* Next window function belonging to this SELECT */
@@ -3591,6 +3593,8 @@ void sqlite3WindowUpdate(Parse*, Window*, Window*, FuncDef*);
Window *sqlite3WindowDup(sqlite3 *db, Expr *pOwner, Window *p);
Window *sqlite3WindowListDup(sqlite3 *db, Window *p);
void sqlite3WindowFunctions(void);
+void sqlite3WindowChain(Parse*, Window*, Window*);
+Window *sqlite3WindowAssemble(Parse*, Window*, ExprList*, ExprList*, Token*);
#else
# define sqlite3WindowDelete(a,b)
# define sqlite3WindowFunctions()