diff options
Diffstat (limited to 'src/sqlite.h.in')
| -rw-r--r-- | src/sqlite.h.in | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/sqlite.h.in b/src/sqlite.h.in index f63b02931..ba673748e 100644 --- a/src/sqlite.h.in +++ b/src/sqlite.h.in @@ -8298,6 +8298,18 @@ int sqlite3_vtab_config(sqlite3*, int op, ...); int sqlite3_vtab_on_conflict(sqlite3 *); /* +** CAPI3REF: Determine If Virtual Table Column Access Is For UPDATE +** +** If the sqlite3_vtab_nochange(X) routine is called within the [xColumn] +** method of a [virtual table], then it returns true if and only if the +** column is being fetched as part of an UPDATE operation during which the +** column value will not change. Applications might use this to substitute +** a lighter-weight value to return that the corresponding [xUpdate] method +** understands as a "no-change" value. +*/ +int sqlite3_vtab_nochange(sqlite3_context*); + +/* ** CAPI3REF: Determine The Collation For a Virtual Table Constraint ** ** This function may only be called from within a call to the [xBestIndex] |