Feature/add index for data source symbol to market data table (#3179)

* Add index

* Update changelog

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+### Added
+
+- Added an index for `dataSource` / `symbol` to the market data database table
+
 ### Changed
 
 - Upgraded `angular` from version `17.1.3` to `17.2.4`

prisma/migrations/20240323080559_added_index_for_data_source_symbol_to_market_data/migration.sql

@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX "MarketData_dataSource_symbol_idx" ON "MarketData"("dataSource", "symbol");

prisma/schema.prisma

@@ -97,6 +97,7 @@ model MarketData {
 
   @@unique([dataSource, date, symbol])
   @@index([dataSource])
+  @@index([dataSource, symbol])
   @@index([date])
   @@index([marketPrice])
   @@index([state])