Index cascade FK columns on audit child tables (#86)

drizzle-pg/0010_overrated_amazoness.sql

@@ -0,0 +1,3 @@
+CREATE INDEX "audit_issues_page_id_idx" ON "audit_issues" USING btree ("page_id");--> statement-breakpoint
+CREATE INDEX "audit_lighthouse_results_page_id_idx" ON "audit_lighthouse_results" USING btree ("page_id");--> statement-breakpoint
+CREATE INDEX "audit_links_source_page_id_idx" ON "audit_links" USING btree ("source_page_id");

drizzle-pg/meta/_journal.json

@@ -71,6 +71,13 @@
       "when": 1783699015488,
       "tag": "0009_supreme_captain_stacy",
       "breakpoints": true
+    },
+    {
+      "idx": 10,
+      "version": "7",
+      "when": 1784070000325,
+      "tag": "0010_overrated_amazoness",
+      "breakpoints": true
     }
   ]
 }

drizzle/0033_first_rick_jones.sql

@@ -0,0 +1,3 @@
+CREATE INDEX `audit_issues_page_id_idx` ON `audit_issues` (`page_id`);--> statement-breakpoint
+CREATE INDEX `audit_lighthouse_results_page_id_idx` ON `audit_lighthouse_results` (`page_id`);--> statement-breakpoint
+CREATE INDEX `audit_links_source_page_id_idx` ON `audit_links` (`source_page_id`);

drizzle/meta/_journal.json

@@ -232,6 +232,13 @@
       "when": 1783699001850,
       "tag": "0032_public_shinko_yamashiro",
       "breakpoints": true
+    },
+    {
+      "idx": 33,
+      "version": "6",
+      "when": 1784069998475,
+      "tag": "0033_first_rick_jones",
+      "breakpoints": true
     }
   ]
 }

src/db/audit.schema.ts

@@ -141,6 +141,9 @@ export const auditLinks = sqliteTable(
   },
   (table) => [
     index("audit_links_audit_target_idx").on(table.auditId, table.targetUrl),
+    // Cascade path from audit_pages deletes; without this every page delete
+    // seq-scans the (large) links table.
+    index("audit_links_source_page_id_idx").on(table.sourcePageId),
   ],
 );
 
@@ -165,6 +168,7 @@ export const auditIssues = sqliteTable(
   },
   (table) => [
     index("audit_issues_audit_type_idx").on(table.auditId, table.issueType),
+    index("audit_issues_page_id_idx").on(table.pageId),
   ],
 );
 
@@ -192,5 +196,8 @@ export const auditLighthouseResults = sqliteTable(
     r2Key: text("r2_key"),
     payloadSizeBytes: integer("payload_size_bytes"),
   },
-  (table) => [index("audit_lighthouse_results_audit_id_idx").on(table.auditId)],
+  (table) => [
+    index("audit_lighthouse_results_audit_id_idx").on(table.auditId),
+    index("audit_lighthouse_results_page_id_idx").on(table.pageId),
+  ],
 );

src/db/pg/audit.schema.ts

@@ -136,6 +136,9 @@ export const auditLinks = pgTable(
   },
   (table) => [
     index("audit_links_audit_target_idx").on(table.auditId, table.targetUrl),
+    // Cascade path from audit_pages deletes; without this every page delete
+    // seq-scans the (large) links table.
+    index("audit_links_source_page_id_idx").on(table.sourcePageId),
   ],
 );
 
@@ -160,6 +163,7 @@ export const auditIssues = pgTable(
   },
   (table) => [
     index("audit_issues_audit_type_idx").on(table.auditId, table.issueType),
+    index("audit_issues_page_id_idx").on(table.pageId),
   ],
 );
 
@@ -187,5 +191,8 @@ export const auditLighthouseResults = pgTable(
     r2Key: text("r2_key"),
     payloadSizeBytes: integer("payload_size_bytes"),
   },
-  (table) => [index("audit_lighthouse_results_audit_id_idx").on(table.auditId)],
+  (table) => [
+    index("audit_lighthouse_results_audit_id_idx").on(table.auditId),
+    index("audit_lighthouse_results_page_id_idx").on(table.pageId),
+  ],
 );