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| author | drh <> | 2022-12-14 18:34:05 +0000 |
|---|---|---|
| committer | drh <> | 2022-12-14 18:34:05 +0000 |
| commit | 70ac36e877637b4554d800163dcd2cefd84db543 (patch) | |
| tree | c7fb5a6fafe62b826bc6c112931bad54db147d36 /src/sqliteInt.h | |
| parent | 1a1d8bbdc3c96559e7bd64c020d21a567b78bcb1 (diff) | |
| parent | 604314d94ef11eaaead34779c24fb250d127ac42 (diff) | |
| download | sqlite-70ac36e877637b4554d800163dcd2cefd84db543.tar.gz sqlite-70ac36e877637b4554d800163dcd2cefd84db543.zip | |
Adjust the query planner to be more aggressive about using co-routines rather
than materializing subqueries and views. Implementation of enhancement
request [73ebbb3a3d1a7bd3].
FossilOrigin-Name: 0b58d1b354a0f91bafeafee102acedd4654dc420afdf4eb4aaac9bf5bcb63c1f
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index 21b23d2ad..c012451a3 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -1844,6 +1844,7 @@ struct sqlite3 { #define SQLITE_FlttnUnionAll 0x00800000 /* Disable the UNION ALL flattener */ /* TH3 expects this value ^^^^^^^^^^ See flatten04.test */ #define SQLITE_IndexedExpr 0x01000000 /* Pull exprs from index when able */ +#define SQLITE_Coroutines 0x02000000 /* Co-routines for subqueries */ #define SQLITE_AllOpts 0xffffffff /* All optimizations */ /* @@ -3465,6 +3466,7 @@ struct Select { #define SF_MultiPart 0x2000000 /* Has multiple incompatible PARTITIONs */ #define SF_CopyCte 0x4000000 /* SELECT statement is a copy of a CTE */ #define SF_OrderByReqd 0x8000000 /* The ORDER BY clause may not be omitted */ +#define SF_UpdateFrom 0x10000000 /* Query originates with UPDATE FROM */ /* True if S exists and has SF_NestedFrom */ #define IsNestedFrom(S) ((S)!=0 && ((S)->selFlags&SF_NestedFrom)!=0) |