Add aggregate functions (#2925)

The aggregate functions SUM(), MAX(), MIN(), AVG(), and COUNT() are now supported.

test/io/configs/expected/aliases.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = false
 db-anon-role = ""
 db-channel = "pgrst"
 db-channel-enabled = true

test/io/configs/expected/boolean-numeric.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = false
 db-anon-role = ""
 db-channel = "pgrst"
 db-channel-enabled = true

test/io/configs/expected/boolean-string.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = false
 db-anon-role = ""
 db-channel = "pgrst"
 db-channel-enabled = true

test/io/configs/expected/defaults.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = false
 db-anon-role = ""
 db-channel = "pgrst"
 db-channel-enabled = true

test/io/configs/expected/no-defaults-with-db-other-authenticator.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = false
 db-anon-role = "pre_config_role"
 db-channel = "postgrest"
 db-channel-enabled = false

test/io/configs/expected/no-defaults-with-db.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = false
 db-anon-role = "anonymous"
 db-channel = "postgrest"
 db-channel-enabled = false

test/io/configs/expected/no-defaults.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = true
 db-anon-role = "root"
 db-channel = "postgrest"
 db-channel-enabled = false

test/io/configs/expected/types.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = false
 db-anon-role = ""
 db-channel = "pgrst"
 db-channel-enabled = true

test/io/configs/no-defaults-env.yaml

@@ -1,5 +1,6 @@
 PGRST_APP_SETTINGS_test2: test
 PGRST_APP_SETTINGS_test: test
+PGRST_DB_AGGREGATES_ENABLED: true
 PGRST_DB_ANON_ROLE: root
 PGRST_DB_CHANNEL: postgrest
 PGRST_DB_CHANNEL_ENABLED: false

test/io/configs/no-defaults.config

@@ -1,3 +1,4 @@
+db-aggregates-enabled = true
 db-anon-role = "root"
 db-channel = "postgrest"
 db-channel-enabled = false