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Omit the OP_FilterInit opcode. Use OP_Blob to initialize each Bloom filter

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instead.  Size the Bloom filter based on sqlite_stat1 size estimates rather
than a run-time measurement for improved testability.

FossilOrigin-Name: 8a9036ee617a6ad93bfe827b0789773c49d3d45b085cb76fa4b9b20a41b79b97
This commit is contained in:
drh
2021-12-06 20:16:53 +00:00
parent 8c1c3e5e37
commit 50fb7e09b4
7 changed files with 56 additions and 78 deletions
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7
src/sqliteInt.h
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@@ -3927,6 +3927,7 @@ struct Sqlite3Config {
int iOnceResetThreshold; /* When to reset OP_Once counters */
u32 szSorterRef; /* Min size in bytes to use sorter-refs */
unsigned int iPrngSeed; /* Alternative fixed seed for the PRNG */
int iEstCountScale; /* Multiple RowCountEst() by this amount */
/* vvvv--- must be last ---vvv */
#ifdef SQLITE_DEBUG
sqlite3_int64 aTune[SQLITE_NTUNE]; /* Tuning parameters */
@@ -4293,7 +4294,9 @@ void sqlite3MemSetDefault(void);
void sqlite3BenignMallocHooks(void (*)(void), void (*)(void));
#endif
int sqlite3HeapNearlyFull(void);
#if 0
sqlite3_int64 sqlite3EstMemoryAvailable(void);
#endif
/*
** On systems with ample stack space and that support alloca(), make
@@ -4780,11 +4783,7 @@ LogEst sqlite3LogEstAdd(LogEst,LogEst);
#ifndef SQLITE_OMIT_VIRTUALTABLE
LogEst sqlite3LogEstFromDouble(double);
#endif
#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || \
defined(SQLITE_ENABLE_STAT4) || \
defined(SQLITE_EXPLAIN_ESTIMATED_ROWS)
u64 sqlite3LogEstToInt(LogEst);
#endif
VList *sqlite3VListAdd(sqlite3*,VList*,const char*,int,int);
const char *sqlite3VListNumToName(VList*,int);
int sqlite3VListNameToNum(VList*,const char*,int);