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authordan <dan@noemail.net>2019-03-28 16:15:05 +0000
committerdan <dan@noemail.net>2019-03-28 16:15:05 +0000
commit4ded26a53c4df312e9fd06facbbf70377e969983 (patch)
tree7588d33692e04f5f0c7dcb72199b0cc9b98a2422 /src/sqliteInt.h
parent6f1644c0f963c8d1d7388d6e52f60a6604aae2c1 (diff)
downloadsqlite-4ded26a53c4df312e9fd06facbbf70377e969983.tar.gz
sqlite-4ded26a53c4df312e9fd06facbbf70377e969983.zip
Prevent aliases of window functions expressions from being used as arguments to aggregate or other window functions.
FossilOrigin-Name: 1e16d3e8fc60d39ca3899759ff15d355fdd7d3e23b325d8d2b0f954e11ce8dce
Diffstat (limited to 'src/sqliteInt.h')
-rw-r--r--src/sqliteInt.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 13f2339da..7480fecf4 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2524,6 +2524,7 @@ struct Expr {
#define EP_WinFunc 0x1000000 /* TK_FUNCTION with Expr.y.pWin set */
#define EP_Subrtn 0x2000000 /* Uses Expr.y.sub. TK_IN, _SELECT, or _EXISTS */
#define EP_Quoted 0x4000000 /* TK_ID was originally quoted */
+#define EP_Win 0x8000000 /* Contains window functions */
/*
** The EP_Propagate mask is a set of properties that automatically propagate
@@ -2780,6 +2781,7 @@ struct NameContext {
#define NC_MinMaxAgg 0x1000 /* min/max aggregates seen. See note above */
#define NC_Complex 0x2000 /* True if a function or subquery seen */
#define NC_AllowWin 0x4000 /* Window functions are allowed here */
+#define NC_HasWin 0x8000 /* One or more window functions seen */
/*
** An instance of the following object describes a single ON CONFLICT