database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00
Code Activity

Allow vector IN(SELECT ...) expressions to use an index if either all the indexed columns are declared NOT NULL or if there is no difference between the expression evaluating to 0 and NULL (as in a WHERE clause).

Browse Source 
FossilOrigin-Name: e2fd6f49b1b145bec09c581cc982b89429643ae9
This commit is contained in:
dan
2016-07-23 20:24:06 +00:00
parent 4097d0ca79
commit ba00e30a3a
6 changed files with 188 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/sqliteInt.h
View File

@@ -4134,7 +4134,7 @@ const char *sqlite3JournalModename(int);
#define IN_INDEX_NOOP_OK 0x0001 /* OK to return IN_INDEX_NOOP */
#define IN_INDEX_MEMBERSHIP 0x0002 /* IN operator used for membership test */
#define IN_INDEX_LOOP 0x0004 /* IN operator used as a loop */
int sqlite3FindInIndex(Parse *, Expr *, u32, int*);
int sqlite3FindInIndex(Parse *, Expr *, u32, int*, int*);
int sqlite3JournalOpen(sqlite3_vfs *, const char *, sqlite3_file *, int, int);
int sqlite3JournalSize(sqlite3_vfs *);