0.7.31

kb_lib/src/db/queries/trade_event.rs

@@ -2,6 +2,41 @@
 
 //! Queries for `k_sol_trade_events`.
 
+/// Deletes all local market materialization rows that are rebuilt from trade events.
+///
+/// The local replay pipeline is deterministic over persisted raw transactions. Clearing
+/// these derived tables before replay prevents stale failed-transaction trades, metrics
+/// or candles from surviving after actionability rules change.
+pub async fn query_trade_market_materialization_delete_all(
+    database: &crate::Database,
+) -> Result<u64, crate::Error> {
+    match database.connection() {
+        crate::DatabaseConnection::Sqlite(pool) => {
+            let statements = [
+                ("k_sol_pair_analytic_signals", "DELETE FROM k_sol_pair_analytic_signals"),
+                ("k_sol_pair_candles", "DELETE FROM k_sol_pair_candles"),
+                ("k_sol_pair_metrics", "DELETE FROM k_sol_pair_metrics"),
+                ("k_sol_trade_events", "DELETE FROM k_sol_trade_events"),
+            ];
+            let mut deleted_count = 0_u64;
+            for (table_name, statement) in statements {
+                let query_result = sqlx::query(statement).execute(pool).await;
+                let result = match query_result {
+                    Ok(result) => result,
+                    Err(error) => {
+                        return Err(crate::Error::Db(format!(
+                            "cannot clear {} during local market materialization reset on sqlite: {}",
+                            table_name, error
+                        )));
+                    },
+                };
+                deleted_count += result.rows_affected();
+            }
+            return Ok(deleted_count);
+        },
+    }
+}
+
 /// Inserts or updates one trade-event row and returns its stable internal id.
 pub async fn query_trade_events_upsert(
     database: &crate::Database,