Fixed issue #22124 -- missing historical data if slot updated later. (#22193)

* Fixed issue #22124 -- missing historical data if slot updated later.

* Fixed a couple of comments

accountsdb-plugin-postgres/src/accountsdb_plugin_postgres.rs

@@ -41,6 +41,8 @@ pub struct AccountsDbPluginPostgresConfig {
     pub threads: Option<usize>,
     pub batch_size: Option<usize>,
     pub panic_on_db_errors: Option<bool>,
+    /// Indicates if to store historical data for accounts
+    pub store_account_historical_data: Option<bool>,
 }
 
 #[derive(Error, Debug)]
@@ -74,7 +76,7 @@ impl AccountsDbPlugin for AccountsDbPluginPostgres {
     /// Accounts either satisyfing the accounts condition or owners condition will be selected.
     /// When only owners is specified,
     /// all accounts belonging to the owners will be streamed.
-    /// The accounts field support wildcard to select all accounts:
+    /// The accounts field supports wildcard to select all accounts:
     /// "accounts_selector" : {
     ///     "accounts" : \["*"\],
     /// }
@@ -85,6 +87,8 @@ impl AccountsDbPlugin for AccountsDbPluginPostgres {
     /// Please refer to https://docs.rs/postgres/0.19.2/postgres/config/struct.Config.html for the connection configuration.
     /// When `connection_str` is set, the values in "host", "user" and "port" are ignored. If `connection_str` is not given,
     /// `host` and `user` must be given.
+    /// "store_account_historical_data", optional, set it to 'true', to store historical account data to account_audit
+    /// table.
     /// * "threads" optional, specifies the number of worker threads for the plugin. A thread
     /// maintains a PostgreSQL connection to the server. The default is '10'.
     /// * "batch_size" optional, specifies the batch size of bulk insert when the AccountsDb is created