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Update SQLite to version 3.51.3 #91

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Merged
sbooth merged 2 commits into from
Mar 14, 2026
Merged

Update SQLite to version 3.51.3 #91

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822bf6e
Update SQLite to version 3.51.3
sbooth Mar 13, 2026
a3846b4
Remove `csqlite_sqlite3_db_config_fp_digits`
sbooth Mar 13, 2026
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5 changes: 0 additions & 5 deletions Sources/CSQLite/csqlite_shims.c
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Original file line number Diff line number Diff line change
Expand Up @@ -269,11 +269,6 @@ int csqlite_sqlite3_db_config_enable_comments(sqlite3 *db, int x, int *y)
return sqlite3_db_config(db, SQLITE_DBCONFIG_ENABLE_COMMENTS, x, y);
}

int csqlite_sqlite3_db_config_fp_digits(sqlite3 *db, int x, int *y)
{
return sqlite3_db_config(db, SQLITE_DBCONFIG_FP_DIGITS, x, y);
}

// MARK: - Virtual table configuration

int csqlite_sqlite3_vtab_config_constraint_support(sqlite3 *db, int x)
Expand Down
43 changes: 5 additions & 38 deletions Sources/CSQLite/decimal.c
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Expand Up @@ -291,36 +291,12 @@ static void decimal_result(sqlite3_context *pCtx, Decimal *p){
sqlite3_result_text(pCtx, z, i, sqlite3_free);
}

/*
** Round a decimal value to N significant digits. N must be positive.
*/
static void decimal_round(Decimal *p, int N){
int i;
int nZero;
if( N<1 ) return;
for(nZero=0; nZero<p->nDigit && p->a[nZero]==0; nZero++){}
N += nZero;
if( p->nDigit<=N ) return;
if( p->a[N]>4 ){
p->a[N-1]++;
for(i=N-1; i>0 && p->a[i]>9; i--){
p->a[i] = 0;
p->a[i-1]++;
}
if( p->a[0]>9 ){
p->a[0] = 1;
p->nFrac--;
}
}
memset(&p->a[N], 0, p->nDigit - N);
}

/*
** Make the given Decimal the result in an format similar to '%+#e'.
** In other words, show exponential notation with leading and trailing
** zeros omitted.
*/
static void decimal_result_sci(sqlite3_context *pCtx, Decimal *p, int N){
static void decimal_result_sci(sqlite3_context *pCtx, Decimal *p){
char *z; /* The output buffer */
int i; /* Loop counter */
int nZero; /* Number of leading zeros */
Expand All @@ -338,8 +314,7 @@ static void decimal_result_sci(sqlite3_context *pCtx, Decimal *p, int N){
sqlite3_result_null(pCtx);
return;
}
if( N<1 ) N = 0;
for(nDigit=p->nDigit; nDigit>N && p->a[nDigit-1]==0; nDigit--){}
for(nDigit=p->nDigit; nDigit>0 && p->a[nDigit-1]==0; nDigit--){}
for(nZero=0; nZero<nDigit && p->a[nZero]==0; nZero++){}
nFrac = p->nFrac + (nDigit - p->nDigit);
nDigit -= nZero;
Expand Down Expand Up @@ -702,16 +677,10 @@ static void decimalFunc(
sqlite3_value **argv
){
Decimal *p = decimal_new(context, argv[0], 0);
int N;
if( argc==2 ){
N = sqlite3_value_int(argv[1]);
if( N>0 ) decimal_round(p, N);
}else{
N = 0;
}
UNUSED_PARAMETER(argc);
if( p ){
if( sqlite3_user_data(context)!=0 ){
decimal_result_sci(context, p, N);
decimal_result_sci(context, p);
}else{
decimal_result(context, p);
}
Expand Down Expand Up @@ -881,7 +850,7 @@ static void decimalPow2Func(
UNUSED_PARAMETER(argc);
if( sqlite3_value_type(argv[0])==SQLITE_INTEGER ){
Decimal *pA = decimalPow2(sqlite3_value_int(argv[0]));
decimal_result_sci(context, pA, 0);
decimal_result_sci(context, pA);
decimal_free(pA);
}
}
Expand All @@ -902,9 +871,7 @@ int sqlite3_decimal_init(
void (*xFunc)(sqlite3_context*,int,sqlite3_value**);
} aFunc[] = {
{ "decimal", 1, 0, decimalFunc },
{ "decimal", 2, 0, decimalFunc },
{ "decimal_exp", 1, 1, decimalFunc },
{ "decimal_exp", 2, 1, decimalFunc },
{ "decimal_cmp", 2, 0, decimalCmpFunc },
Comment on lines 871 to 875
{ "decimal_add", 2, 0, decimalAddFunc },
{ "decimal_sub", 2, 0, decimalSubFunc },
Expand Down
36 changes: 1 addition & 35 deletions Sources/CSQLite/ieee754.c
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Expand Up @@ -179,9 +179,9 @@ static void ieee754func(
}

if( m<0 ){
if( m<(-9223372036854775807LL) ) return;
isNeg = 1;
m = -m;
if( m<0 ) return;
Comment on lines 182 to +184
}else if( m==0 && e>-1000 && e<1000 ){
sqlite3_result_double(context, 0.0);
return;
Expand Down Expand Up @@ -259,38 +259,6 @@ static void ieee754func_to_blob(
}
}

/*
** Functions to convert between 64-bit integers and floats.
**
** The bit patterns are copied. The numeric values are different.
*/
static void ieee754func_from_int(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
UNUSED_PARAMETER(argc);
if( sqlite3_value_type(argv[0])==SQLITE_INTEGER ){
double r;
sqlite3_int64 v = sqlite3_value_int64(argv[0]);
memcpy(&r, &v, sizeof(r));
sqlite3_result_double(context, r);
}
}
static void ieee754func_to_int(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
UNUSED_PARAMETER(argc);
if( sqlite3_value_type(argv[0])==SQLITE_FLOAT ){
double r = sqlite3_value_double(argv[0]);
sqlite3_uint64 v;
memcpy(&v, &r, sizeof(v));
sqlite3_result_int64(context, v);
}
}

/*
** SQL Function: ieee754_inc(r,N)
**
Expand Down Expand Up @@ -343,8 +311,6 @@ int sqlite3_ieee_init(
{ "ieee754_exponent", 1, 2, ieee754func },
{ "ieee754_to_blob", 1, 0, ieee754func_to_blob },
{ "ieee754_from_blob", 1, 0, ieee754func_from_blob },
{ "ieee754_to_int", 1, 0, ieee754func_to_int },
{ "ieee754_from_int", 1, 0, ieee754func_from_int },
{ "ieee754_inc", 2, 0, ieee754inc },
};
unsigned int i;
Expand Down
2 changes: 0 additions & 2 deletions Sources/CSQLite/include/csqlite_shims.h
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Expand Up @@ -127,8 +127,6 @@ int csqlite_sqlite3_db_config_enable_attach_create(sqlite3 *db, int x, int *y);
int csqlite_sqlite3_db_config_enable_attach_write(sqlite3 *db, int x, int *y);
/// Equivalent to `sqlite3_db_config(db, SQLITE_DBCONFIG_ENABLE_COMMENTS, x, y)`
int csqlite_sqlite3_db_config_enable_comments(sqlite3 *db, int x, int *y);
/// Equivalent to `sqlite3_db_config(db, SQLITE_DBCONFIG_FP_DIGITS, x, y)`
int csqlite_sqlite3_db_config_fp_digits(sqlite3 *db, int x, int *y);

// MARK: - Virtual table configuration
// See https://sqlite.org/c3ref/vtab_config.html
Expand Down
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