Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

optimize: using subqueries to reduce the retrieval of invalid content data. #7184

Open
wants to merge 4 commits into
base: 2.x
Choose a base branch
from
+12 −2
Open

optimize: using subqueries to reduce the retrieval of invalid content data. #7184

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
7e66174
optimize: getLastVersionStateMachine sql adds condition 'LIMIT 1'
MaoMaoandSnail Feb 25, 2025
c093380
Merge branch '2.x' into optimize_query
funky-eyes Feb 28, 2025
2878293
Merge branch '2.x' into optimize_query
slievrly Mar 6, 2025
9a904ff
optimize: using subqueries to reduce the retrieval of invalid content…
MaoMaoandSnail Mar 8, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 2 additions & 2 deletions ...ga-engine-store/src/main/java/org/apache/seata/saga/engine/store/db/DbStateLangStore.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,8 +50,8 @@ public StateMachine getStateMachineById(String stateMachineId) {

@Override
public StateMachine getLastVersionStateMachine(String stateMachineName, String tenantId) {
List<StateMachine> list = selectList(stateLangStoreSqls.getQueryStateMachinesByNameAndTenantSql(dbType),
RESULT_SET_TO_STATE_MACHINE, stateMachineName, tenantId);
List<StateMachine> list = selectList(stateLangStoreSqls.getLastVersionStateMachine(dbType),
RESULT_SET_TO_STATE_MACHINE, stateMachineName, tenantId, stateMachineName, tenantId);
if (CollectionUtils.isNotEmpty(list)) {
return list.get(0);
}
Expand Down
10 changes: 10 additions & 0 deletions ...-engine-store/src/main/java/org/apache/seata/saga/engine/store/db/StateLangStoreSqls.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,13 +34,18 @@ public class StateLangStoreSqls {
private static final String INSERT_STATE_MACHINE_SQL = "INSERT INTO ${TABLE_PREFIX}state_machine_def ("
+ STATE_MACHINE_FIELDS + ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";

private static final String GET_LAST_VERSION_STATE_MACHINE_SQL = "SELECT " + STATE_MACHINE_FIELDS
+ " FROM ${TABLE_PREFIX}state_machine_def WHERE name = ? AND tenant_id = ? " +
"AND gmt_create = ( SELECT MAX(gmt_create) FROM ${TABLE_PREFIX}state_machine_def WHERE name = ? AND tenant_id = ? )";

private static final String TABLE_PREFIX_REGEX = "\\$\\{TABLE_PREFIX}";

private String tablePrefix;

private String getGetStateMachineByIdSql;
private String queryStateMachinesByNameAndTenantSql;
private String insertStateMachineSql;
private String getLastVersionStateMachine;

public StateLangStoreSqls(String tablePrefix) {
this.tablePrefix = tablePrefix;
Expand All @@ -52,6 +57,7 @@ private void init() {
queryStateMachinesByNameAndTenantSql = QUERY_STATE_MACHINES_BY_NAME_AND_TENANT_SQL.replaceAll(
TABLE_PREFIX_REGEX, tablePrefix);
insertStateMachineSql = INSERT_STATE_MACHINE_SQL.replaceAll(TABLE_PREFIX_REGEX, tablePrefix);
getLastVersionStateMachine = GET_LAST_VERSION_STATE_MACHINE_SQL.replaceAll(TABLE_PREFIX_REGEX, tablePrefix);
}

public String getGetStateMachineByIdSql(String dbType) {
Expand All @@ -62,6 +68,10 @@ public String getQueryStateMachinesByNameAndTenantSql(String dbType) {
return queryStateMachinesByNameAndTenantSql;
}

public String getLastVersionStateMachine(String dbType) {
return getLastVersionStateMachine;
}

public String getInsertStateMachineSql(String dbType) {
return insertStateMachineSql;
}
Expand Down
Loading