feat(queries): [Experimental] Allow customization of # of queries in Query tab via env var

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/resolvers/config/AppConfigResolver.java

@@ -12,6 +12,7 @@
 import com.linkedin.datahub.graphql.generated.ManagedIngestionConfig;
 import com.linkedin.datahub.graphql.generated.PoliciesConfig;
 import com.linkedin.datahub.graphql.generated.Privilege;
+import com.linkedin.datahub.graphql.generated.QueriesTabConfig;
 import com.linkedin.datahub.graphql.generated.ResourcePrivileges;
 import com.linkedin.datahub.graphql.generated.TelemetryConfig;
 import com.linkedin.datahub.graphql.generated.TestsConfig;
@@ -122,6 +123,11 @@ public CompletableFuture<AppConfig> get(final DataFetchingEnvironment environmen
       visualConfig.setLogoUrl(_visualConfiguration.getAssets().getLogoUrl());
       visualConfig.setFaviconUrl(_visualConfiguration.getAssets().getFaviconUrl());
     }
+    if (_visualConfiguration != null && _visualConfiguration.getQueriesTab() != null) {
+      QueriesTabConfig queriesTabConfig = new QueriesTabConfig();
+      queriesTabConfig.setQueriesTabResultSize(_visualConfiguration.getQueriesTab().getQueriesTabResultSize());
+      visualConfig.setQueriesTab(queriesTabConfig);
+    }
     appConfig.setVisualConfig(visualConfig);
 
     final TelemetryConfig telemetryConfig = new TelemetryConfig();

datahub-graphql-core/src/main/resources/app.graphql

@@ -196,6 +196,21 @@ type VisualConfig {
   Custom favicon url for the homepage & top banner
   """
   faviconUrl: String
+
+  """
+  Configuration for the queries tab
+  """
+  queriesTab: QueriesTabConfig
+}
+
+"""
+Configuration for the queries tab
+"""
+type QueriesTabConfig {
+  """
+  Number of queries to show in the queries tab
+  """
+  queriesTabResultSize: Int
 }
 
 """

datahub-web-react/src/app/entity/shared/tabs/Dataset/Queries/QueriesTab.tsx

@@ -4,10 +4,16 @@ import { GetDatasetQuery } from '../../../../../../graphql/dataset.generated';
 import Query from './Query';
 import { useBaseEntity } from '../../../EntityContext';
 import getTopNQueries from './utils/getTopNQueries';
+import { useAppConfig } from '../../../../../useAppConfig';
 
 export default function QueriesTab() {
+    const appConfig = useAppConfig();
     const baseEntity = useBaseEntity<GetDatasetQuery>();
-    const topQueries = getTopNQueries(5, baseEntity?.dataset?.usageStats?.buckets);
+
+    const topQueries = getTopNQueries(
+        appConfig?.config?.visualConfig?.queriesTab?.queriesTabResultSize || 5,
+        baseEntity?.dataset?.usageStats?.buckets,
+    );
 
     if (topQueries.length === 0) {
         return <Empty description="No Sample Queries" image={Empty.PRESENTED_IMAGE_SIMPLE} />;

datahub-web-react/src/appConfigContext.tsx

@@ -21,6 +21,9 @@ export const DEFAULT_APP_CONFIG = {
     },
     visualConfig: {
         logoUrl: undefined,
+        queriesTab: {
+            queriesTabResultSize: 5,
+        },
     },
     authConfig: {
         tokenAuthEnabled: false,

datahub-web-react/src/graphql/app.graphql

@@ -37,6 +37,9 @@ query appConfig {
         visualConfig {
             logoUrl
             faviconUrl
+            queriesTab {
+                queriesTabResultSize
+            }
         }
         telemetryConfig {
             enableThirdPartyLogging

metadata-io/src/main/java/com/linkedin/metadata/config/QueriesTabConfig.java

@@ -0,0 +1,12 @@
+package com.linkedin.metadata.config;
+
+import lombok.Data;
+
+
+@Data
+public class QueriesTabConfig {
+  /**
+   * The number of queries to show on the queries tab.
+   */
+  public Integer queriesTabResultSize;
+}

metadata-io/src/main/java/com/linkedin/metadata/config/VisualConfiguration.java

@@ -12,4 +12,9 @@ public class VisualConfiguration {
    * Asset related configurations
    */
   public AssetsConfiguration assets;
+
+  /**
+   * Queries tab related configurations
+   */
+  public QueriesTabConfig queriesTab;
 }

metadata-service/factories/src/main/resources/application.yml

@@ -5,7 +5,7 @@ authentication:
 
   # Required if enabled is true! A configurable chain of Authenticators
   authenticators:
-      # Required for authenticating requests with DataHub-issued Access Tokens - best not to remove.
+    # Required for authenticating requests with DataHub-issued Access Tokens - best not to remove.
     - type: com.datahub.authentication.authenticator.DataHubTokenAuthenticator
       configs:
         # Key used to validate incoming tokens. Should typically be the same as authentication.tokenService.signingKey
@@ -28,15 +28,14 @@ authentication:
 
 # Authorization-related configurations.
 authorization:
-
   # Configurations for the default DataHub policies-based authorizer.
   defaultAuthorizer:
     enabled: ${AUTH_POLICIES_ENABLED:true}
     cacheRefreshIntervalSecs: ${POLICY_CACHE_REFRESH_INTERVAL_SECONDS:120}
 
 ingestion:
   enabled: ${UI_INGESTION_ENABLED:true}
-  defaultCliVersion: '${UI_INGESTION_DEFAULT_CLI_VERSION:@cliMajorVersion@}'
+  defaultCliVersion: "${UI_INGESTION_DEFAULT_CLI_VERSION:@cliMajorVersion@}"
 
 telemetry:
   enabledCli: ${CLI_TELEMETRY_ENABLED:true}
@@ -92,6 +91,10 @@ platformAnalytics:
   enabled: ${DATAHUB_ANALYTICS_ENABLED:true}
 
 visualConfig:
+  queriesTab:
+    # Experimental! This env var is subject to change and may be deprecated in the future. The Queries tab has a larger
+    # overhaul coming.
+    queriesTabResultSize: ${REACT_APP_QUERIES_TAB_RESULT_SIZE:5}
   assets:
     logoUrl: ${REACT_APP_LOGO_URL:/assets/platforms/datahublogo.png}
     faviconUrl: ${REACT_APP_FAVICON_URL:/assets/favicon.ico}