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mdbx: move key generator linearization into actor::review_params().

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Change-Id: I35492f64b6b5eae9702d26f3e0ba9df31f57a4af
This commit is contained in:
Leonid Yuriev
2021-03-16 02:44:28 +03:00
parent f4781b63a8
commit ecc755881e
5 changed files with 60 additions and 63 deletions
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33
test/config.cc
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@@ -623,3 +623,36 @@ unsigned actor_params::mdbx_datalen_max() const {
return std::min(unsigned(UINT16_MAX),
unsigned(mdbx_limits_valsize_max(pagesize, table_flags)));
}
bool actor_params::make_keygen_linear() {
const auto base = serial_base();
keygen.mesh = (table_flags & MDBX_DUPSORT) ? 0 : keygen.split;
keygen.rotate = 0;
keygen.offset = 0;
const auto max_serial = serial_mask(keygen.width) + base;
const auto max_key_serial = (keygen.split && (table_flags & MDBX_DUPSORT))
? max_serial >> keygen.split
: max_serial;
const auto max_value_serial = (keygen.split && (table_flags & MDBX_DUPSORT))
? serial_mask(keygen.split)
: 0;
while (keylen_min < 8 &&
(keylen_min == 0 || serial_mask(keylen_min * 8) < max_key_serial)) {
keylen_min += (table_flags & (MDBX_INTEGERKEY | MDBX_INTEGERDUP)) ? 4 : 1;
if (keylen_max < keylen_min)
keylen_max = keylen_min;
}
if (table_flags & MDBX_DUPSORT)
while (
datalen_min < 8 &&
(datalen_min == 0 || serial_mask(datalen_min * 8) < max_value_serial)) {
datalen_min +=
(table_flags & (MDBX_INTEGERKEY | MDBX_INTEGERDUP)) ? 4 : 1;
if (datalen_max < datalen_min)
datalen_max = datalen_min;
}
return true;
}