use a better index on support table

This commit is contained in:
Brannon King 2020-06-16 23:07:11 -06:00 committed by Anthony Fieroni
parent 2248bfacec
commit 909bb331d0

View file

@ -123,7 +123,7 @@ void CClaimTrie::doNodeTableMigration()
for (auto&& row : db << "SELECT claimsHash FROM node WHERE name = x''")
break;
} catch (const sqlite::sqlite_exception&) {
logPrint << "Running one-time upgrade of node table to cache the hash of claims..." << Clog::endl;
isNodeMigrationStart = true;
// new node schema
@ -393,7 +393,7 @@ int64_t CClaimTrieCacheBase::getTotalValueOfClaimsInTrie(bool fControllingOnly)
int64_t ret = 0;
const std::string query = fControllingOnly ?
"SELECT SUM(amount) FROM (SELECT c.amount as amount, "
"(SELECT(SELECT IFNULL(SUM(s.amount),0)+c.amount FROM support s "
"(SELECT(SELECT IFNULL(SUM(s.amount),0)+c.amount FROM support s INDEXED BY support_supportedClaimID "
"WHERE s.supportedClaimID = c.claimID AND c.nodeName = s.nodeName "
"AND s.activationHeight < ?1 AND s.expirationHeight >= ?1) as effective "
"ORDER BY effective DESC LIMIT 1) as winner FROM claim c "
@ -583,7 +583,7 @@ const std::string childHashQuery_s = "SELECT name, hash FROM node WHERE parent =
const std::string claimHashQuery_s =
"SELECT c.txID, c.txN, c.claimID, c.updateHeight, c.activationHeight, c.amount, "
"(SELECT IFNULL(SUM(s.amount),0)+c.amount FROM support s "
"(SELECT IFNULL(SUM(s.amount),0)+c.amount FROM support s INDEXED BY support_supportedClaimID "
"WHERE s.supportedClaimID = c.claimID AND s.nodeName = c.nodeName "
"AND s.activationHeight < ?1 AND s.expirationHeight >= ?1) as effectiveAmount "
"FROM claim c WHERE c.nodeName = ?2 AND c.activationHeight < ?1 AND c.expirationHeight >= ?1 "