perf(database): index EnvironmentVariableValue.valueReferenceId so secret deletes stop seq-scanning

ericallam · ericallam · commit e9a2db1ff8a6 · 2026-08-10T12:28:22.000+01:00
diff --git a/.server-changes/environment-variable-value-reference-id-index.md b/.server-changes/environment-variable-value-reference-id-index.md
@@ -0,0 +1,6 @@
+---
+area: webapp
+type: improvement
+---
+
+Deleting or editing a secret environment variable is now fast and no longer slows down as a project accumulates variables.
diff --git a/internal-packages/database/prisma/migrations/20260810130000_add_environment_variable_value_reference_id_index/migration.sql b/internal-packages/database/prisma/migrations/20260810130000_add_environment_variable_value_reference_id_index/migration.sql
@@ -0,0 +1,2 @@
+-- CreateIndex
+CREATE INDEX CONCURRENTLY IF NOT EXISTS "EnvironmentVariableValue_valueReferenceId_idx" ON "public"."EnvironmentVariableValue"("valueReferenceId");
diff --git a/internal-packages/database/prisma/schema.prisma b/internal-packages/database/prisma/schema.prisma
@@ -2067,6 +2067,7 @@ model EnvironmentVariableValue {
 
   @@unique([variableId, environmentId])
   @@index([environmentId])
+  @@index([valueReferenceId])
 }
 
 model Checkpoint {

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+-- CreateIndex`
	`2`	`+CREATE INDEX CONCURRENTLY IF NOT EXISTS "EnvironmentVariableValue_valueReferenceId_idx" ON "public"."EnvironmentVariableValue"("valueReferenceId");`
Original file line number	Diff line number	Diff line change
`@@ -2067,6 +2067,7 @@ model EnvironmentVariableValue {`
`2067`	`2067`
`2068`	`2068`	`@@unique([variableId, environmentId])`
`2069`	`2069`	`@@index([environmentId])`
	`2070`	`+ @@index([valueReferenceId])`
`2070`	`2071`	`}`
`2071`	`2072`
`2072`	`2073`	`model Checkpoint {`