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-rw-r--r--src/sqliteInt.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index d6b4dd492..b16295904 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1472,12 +1472,16 @@ struct FKey {
** An instance of the following structure is passed as the first
** argument to sqlite3VdbeKeyCompare and is used to control the
** comparison of the two index keys.
+**
+** Note that aSortOrder[] and aColl[] have nField+1 slots. There
+** are nField slots for the columns of an index then one extra slot
+** for the rowid at the end.
*/
struct KeyInfo {
sqlite3 *db; /* The database connection */
u8 enc; /* Text encoding - one of the SQLITE_UTF* values */
- u16 nField; /* Number of entries in aColl[] */
- u8 *aSortOrder; /* Sort order for each column. May be NULL */
+ u16 nField; /* Maximum index for aColl[] and aSortOrder[] */
+ u8 *aSortOrder; /* Sort order for each column. */
CollSeq *aColl[1]; /* Collating sequence for each term of the key */
};
@@ -2082,6 +2086,7 @@ struct Select {
#define SF_Values 0x0080 /* Synthesized from VALUES clause */
#define SF_Materialize 0x0100 /* Force materialization of views */
#define SF_NestedFrom 0x0200 /* Part of a parenthesized FROM clause */
+#define SF_MaybeConvert 0x0400 /* Need convertCompoundSelectToSubquery() */
/*
@@ -2203,6 +2208,7 @@ struct Parse {
u8 iColCache; /* Next entry in aColCache[] to replace */
u8 isMultiWrite; /* True if statement may modify/insert multiple rows */
u8 mayAbort; /* True if statement may throw an ABORT exception */
+ u8 hasCompound; /* Need to invoke convertCompoundSelectToSubquery() */
int aTempReg[8]; /* Holding area for temporary registers */
int nRangeReg; /* Size of the temporary register block */
int iRangeReg; /* First register in temporary register block */
@@ -3098,6 +3104,7 @@ void sqlite3MinimumFileFormat(Parse*, int, int);
void sqlite3SchemaClear(void *);
Schema *sqlite3SchemaGet(sqlite3 *, Btree *);
int sqlite3SchemaToIndex(sqlite3 *db, Schema *);
+KeyInfo *sqlite3KeyInfoAlloc(sqlite3*,int);
KeyInfo *sqlite3IndexKeyinfo(Parse *, Index *);
int sqlite3CreateFunc(sqlite3 *, const char *, int, int, void *,
void (*)(sqlite3_context*,int,sqlite3_value **),