database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-18 10:21:03 +03:00
Code Activity

Run as many Bloom filters as possible before index lookups.

Browse Source 
FossilOrigin-Name: 06f6fefd67086896bc49272c6319545ff6c6792f18babe23aced27b60b032119
This commit is contained in:
drh
2021-12-05 20:19:47 +00:00
parent 35685d3e5e
commit 6ae49e67cc
6 changed files with 158 additions and 76 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/whereInt.h
View File

@@ -484,7 +484,6 @@ struct WhereInfo {
** where.c:
*/
Bitmask sqlite3WhereGetMask(WhereMaskSet*,int);
void sqlite3ConstructBloomFilter(const WhereInfo*, WhereLevel*);
#ifdef WHERETRACE_ENABLED
void sqlite3WhereClausePrint(WhereClause *pWC);
void sqlite3WhereTermPrint(WhereTerm *pTerm, int iTerm);
@@ -507,8 +506,14 @@ int sqlite3WhereExplainOneScan(
WhereLevel *pLevel, /* Scan to write OP_Explain opcode for */
u16 wctrlFlags /* Flags passed to sqlite3WhereBegin() */
);
int sqlite3WhereExplainBloomFilter(
const Parse *pParse, /* Parse context */
const WhereInfo *pWInfo, /* WHERE clause */
const WhereLevel *pLevel /* Bloom filter on this level */
);
#else
# define sqlite3WhereExplainOneScan(u,v,w,x) 0
# define sqlite3WhereExplainBloomFilter(u,v,w) 0
#endif /* SQLITE_OMIT_EXPLAIN */
#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
void sqlite3WhereAddScanStatus(