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Improve HSQLDB query for finding latest AT state data

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catbref 2020-08-12 14:18:05 +01:00
parent d4ac87f91d
commit ab1de1aafa
1 changed files with 4 additions and 2 deletions
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6
src/main/java/org/qortal/repository/hsqldb/HSQLDBATRepository.java
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@ -268,7 +268,8 @@ public class HSQLDBATRepository implements ATRepository {
+ "FROM ATStates " + "FROM ATStates "
+ "WHERE AT_address = ? " + "WHERE AT_address = ? "
+ "ORDER BY height DESC " + "ORDER BY height DESC "
+ "LIMIT 1"; + "LIMIT 1 "
+ "USING INDEX";
try (ResultSet resultSet = this.repository.checkedExecute(sql, atAddress)) { try (ResultSet resultSet = this.repository.checkedExecute(sql, atAddress)) {
if (resultSet == null) if (resultSet == null)
@ -299,7 +300,8 @@ public class HSQLDBATRepository implements ATRepository {
+ "FROM ATStates " + "FROM ATStates "
+ "WHERE ATStates.AT_address = ATs.AT_address " + "WHERE ATStates.AT_address = ATs.AT_address "
+ "ORDER BY height DESC " + "ORDER BY height DESC "
+ "LIMIT 1" + "LIMIT 1 "
+ "USING INDEX"
+ ") AS FinalATStates " + ") AS FinalATStates "
+ "WHERE code_hash = ? "); + "WHERE code_hash = ? ");