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🐛 Fix NPE

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Daniel 2024-12-01 23:30:36 +08:00
parent 715ecc57bd
commit 3a53fd4a9a
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3 changed files with 15 additions and 0 deletions
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6
kernel/sql/history.go
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@ -72,6 +72,9 @@ func QueryHistory(stmt string) (ret []map[string]interface{}, err error) {
}
func SelectHistoriesRawStmt(stmt string) (ret []*History) {
if nil == historyDB {
return
}
rows, err := historyDB.Query(stmt)
if err != nil {
logging.LogWarnf("sql query [%s] failed: %s", stmt, err)
@ -101,6 +104,9 @@ func queryHistory(query string, args ...interface{}) (*sql.Rows, error) {
if "" == query {
return nil, errors.New("statement is empty")
}
if nil == historyDB {
return nil, errors.New("database is nil")
}
return historyDB.Query(query, args...)
}