Create PrivacyBucketAcdpCharges table schema for ACDP composition (#1121

)

src/main/kotlin/org/wfanet/measurement/integration/deploy/postgres/ledger.sql

@@ -41,6 +41,25 @@ CREATE TABLE PrivacyBucketCharges(
   PRIMARY KEY (MeasurementConsumerId, Date, AgeGroup, Gender, VidStart, Delta, Epsilon)
   );
 
+CREATE TABLE PrivacyBucketAcdpCharges(
+  -- Which Measurement Consumer this PrivacyBucket belongs to.
+  MeasurementConsumerId text NOT NULL,
+  -- Day for this PrivacyBucket. DD-MM-YYYY.
+  Date Date NOT NULL,
+  -- Age for this PrivacyBucket.
+  AgeGroup AgeGroup NOT NULL,
+  -- Gender for this PrivacyBucket.
+  Gender Gender NOT NULL,
+  -- Start of the Vid range for this PrivacyBucket. Bucket vid's ranges from VidStart to VidStart + 0.1.
+  VidStart real NOT NULL,
+  -- Rho for the AcdpCharge of this ledger entry.
+  Rho real NOT NULL,
+  -- Theta for the AcdpCharge of this ledger entry.
+  Theta real NOT NULL,
+  -- Used to query entries efficiently to update rho and theta.
+  PRIMARY KEY (MeasurementConsumerId, Date, AgeGroup, Gender, VidStart)
+  );
+
 CREATE TABLE LedgerEntries(
   -- Which Measurement Consumer this Ledger Entry belongs to.
   MeasurementConsumerId text NOT NULL,

src/test/kotlin/org/wfanet/measurement/eventdataprovider/privacybudgetmanagement/deploy/postgres/PostgresBackingStoreTest.kt

@@ -62,6 +62,7 @@ class PostgresBackingStoreTest : AbstractPrivacyBudgetLedgerStoreTest() {
           """
           DROP TABLE IF EXISTS LedgerEntries CASCADE;
           DROP TABLE IF EXISTS PrivacyBucketCharges CASCADE;
+          DROP TABLE IF EXISTS PrivacyBucketAcdpCharges CASCADE;
           DROP TYPE IF EXISTS Gender CASCADE;
           DROP TYPE IF EXISTS AgeGroup CASCADE;
         """