VRFS-2795 json_store table

db/manifest

@@ -249,4 +249,5 @@ user_presences.sql
 discard_scores_optimized.sql
 alter_type_columns.sql
 user_presences_rename.sql
-add_genre_type.sql
+add_genre_type.sql
+musician_search.sql

db/up/musician_search.sql

@@ -0,0 +1,10 @@
+CREATE TABLE json_stores (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,
+    foreign_key1_id VARCHAR(64),
+    data_blob JSON NOT NULL DEFAULT '{}',
+    type VARCHAR(128)
+);
+
+CREATE INDEX user_idx ON json_stores(user_id);
+CREATE INDEX foreign_key1_idx ON json_stores(foreign_key1_id);