Add support for prepared statements

config/allow.list

@@ -0,0 +1,38 @@
+# http://localhost:808
+
+query {
+  me {
+    id
+    full_name
+  }
+}
+
+query {
+  customers {
+    id
+    email
+    payments {
+      customer_id
+      amount
+      billing_details
+    }
+  }
+}
+
+# http://localhost:8080/
+
+query {
+  products(id: $PRODUCT_ID) {
+    name
+  }
+}
+
+
+query {
+  products(id: $PRODUCT_ID) {
+    name
+    image
+  }
+}
+
+

config/dev.yml

@@ -5,13 +5,21 @@ web_ui: true
 # debug, info, warn, error, fatal, panic
 log_level: "debug"
 
-# enabling tracing also disables query caching
-enable_tracing: true
+# Disable this in development to get a list of 
+# queries used. When enabled super graph
+# will only allow queries from this list
+# List saved to ./config/allow.list
+use_allow_list: false
 
 # Throw a 401 on auth failure for queries that need auth
 # valid values: always, per_query, never
 auth_fail_block: never
 
+# Latency tracing for database queries and remote joins
+# the resulting latency information is returned with the
+# response
+enable_tracing: true
+
 # Postgres related environment Variables
 # SG_DATABASE_HOST
 # SG_DATABASE_PORT

config/prod.yml

@@ -5,13 +5,21 @@ web_ui: false
 # debug, info, warn, error, fatal, panic, disable
 log_level: "info"
 
-# disabled tracing enables query caching
-enable_tracing: false
+# Disable this in development to get a list of 
+# queries used. When enabled super graph
+# will only allow queries from this list
+# List saved to ./config/allow.list
+use_allow_list: true
 
 # Throw a 401 on auth failure for queries that need auth
 # valid values: always, per_query, never
 auth_fail_block: always
 
+# Latency tracing for database queries and remote joins
+# the resulting latency information is returned with the
+# response
+enable_tracing: true
+
 # Postgres related environment Variables
 # SG_DATABASE_HOST
 # SG_DATABASE_PORT