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| author | drh <> | 2025-01-21 16:30:55 +0000 |
|---|---|---|
| committer | drh <> | 2025-01-21 16:30:55 +0000 |
| commit | 8e7a16895c62f8c56e8ada82cecdacaf1e97fcd3 (patch) | |
| tree | b3b5574061183331a06355fe74ff525315c9fc70 /src/vdbeInt.h | |
| parent | 2e899ccaff0baca5cd6db7e8a24be8728c97a371 (diff) | |
| download | sqlite-8e7a16895c62f8c56e8ada82cecdacaf1e97fcd3.tar.gz sqlite-8e7a16895c62f8c56e8ada82cecdacaf1e97fcd3.zip | |
Performance improvements to the (debug-use only) Mem.pScopyFrom logic, resulting
in about 8x faster performance under -DSQLITE_DEBUG for the query in from
[forum:/forumpost/0025389d0860af82|forum post 0025389d0860af82]. This change
only affects builds that use -DSQLITE_DEBUG.
FossilOrigin-Name: 7fb1ae25d1572dd7709a0f850c148a5f745a524f01ea231e29a1ebc37c173fb9
Diffstat (limited to 'src/vdbeInt.h')
| -rw-r--r-- | src/vdbeInt.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/vdbeInt.h b/src/vdbeInt.h index 2cb4f8c2a..24cf1ac56 100644 --- a/src/vdbeInt.h +++ b/src/vdbeInt.h @@ -244,6 +244,7 @@ struct sqlite3_value { #ifdef SQLITE_DEBUG Mem *pScopyFrom; /* This Mem is a shallow copy of pScopyFrom */ u16 mScopyFlags; /* flags value immediately after the shallow copy */ + u8 bScopy; /* The pScopyFrom of some other Mem *might* point here */ #endif }; |