feat: Allow getting the EXPLAIN plan of a request

test/io/configs/expected/aliases.config

@@ -3,6 +3,7 @@ db-channel = "pgrst"
 db-channel-enabled = true
 db-extra-search-path = "public"
 db-max-rows = 1000
+db-plan-enabled = false
 db-pool = 10
 db-pool-timeout = 3600
 db-pre-request = "check_alias"

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

@@ -3,6 +3,7 @@ db-channel = "pgrst"
 db-channel-enabled = true
 db-extra-search-path = "public"
 db-max-rows = ""
+db-plan-enabled = false
 db-pool = 10
 db-pool-timeout = 3600
 db-pre-request = ""

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

@@ -3,6 +3,7 @@ db-channel = "pgrst"
 db-channel-enabled = true
 db-extra-search-path = "public"
 db-max-rows = ""
+db-plan-enabled = false
 db-pool = 10
 db-pool-timeout = 3600
 db-pre-request = ""

test/io/configs/expected/defaults.config

@@ -3,6 +3,7 @@ db-channel = "pgrst"
 db-channel-enabled = true
 db-extra-search-path = "public"
 db-max-rows = ""
+db-plan-enabled = false
 db-pool = 10
 db-pool-timeout = 3600
 db-pre-request = ""

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

@@ -3,6 +3,7 @@ db-channel = "postgrest"
 db-channel-enabled = false
 db-extra-search-path = "public,extensions,other"
 db-max-rows = 100
+db-plan-enabled = true
 db-pool = 1
 db-pool-timeout = 100
 db-pre-request = "test.other_custom_headers"

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

@@ -3,6 +3,7 @@ db-channel = "postgrest"
 db-channel-enabled = false
 db-extra-search-path = "public,extensions,private"
 db-max-rows = 1000
+db-plan-enabled = true
 db-pool = 1
 db-pool-timeout = 100
 db-pre-request = "test.custom_headers"

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

@@ -3,6 +3,7 @@ db-channel = "postgrest"
 db-channel-enabled = false
 db-extra-search-path = "public,test"
 db-max-rows = 1000
+db-plan-enabled = true
 db-pool = 1
 db-pool-timeout = 100
 db-pre-request = "please_run_fast"

test/io/configs/expected/types.config

@@ -3,6 +3,7 @@ db-channel = "pgrst"
 db-channel-enabled = true
 db-extra-search-path = "public"
 db-max-rows = ""
+db-plan-enabled = false
 db-pool = 10
 db-pool-timeout = 3600
 db-pre-request = ""

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

@@ -5,6 +5,7 @@ PGRST_DB_CHANNEL: postgrest
 PGRST_DB_CHANNEL_ENABLED: false
 PGRST_DB_EXTRA_SEARCH_PATH: public, test
 PGRST_DB_MAX_ROWS: 1000
+PGRST_DB_PLAN_ENABLED: true
 PGRST_DB_POOL: 1
 PGRST_DB_POOL_TIMEOUT: 100
 PGRST_DB_PREPARED_STATEMENTS: false

test/io/configs/no-defaults.config

@@ -3,6 +3,7 @@ db-channel = "postgrest"
 db-channel-enabled = false
 db-extra-search-path = "public, test"
 db-max-rows = 1000
+db-plan-enabled = true
 db-pool = 1
 db-pool-timeout = 100
 db-pre-request = "please_run_fast"

test/io/db_config.sql

@@ -11,6 +11,7 @@ ALTER ROLE db_config_authenticator SET pgrst.db_anon_role = 'anonymous';
 ALTER ROLE db_config_authenticator SET pgrst.db_tx_end = 'commit-allow-override';
 ALTER ROLE db_config_authenticator SET pgrst.db_schemas = 'test, tenant1, tenant2';
 ALTER ROLE db_config_authenticator SET pgrst.db_root_spec = 'root';
+ALTER ROLE db_config_authenticator SET pgrst.db_plan_enabled = 'true';
 ALTER ROLE db_config_authenticator SET pgrst.db_prepared_statements = 'false';
 ALTER ROLE db_config_authenticator SET pgrst.db_pre_request = 'test.custom_headers';
 ALTER ROLE db_config_authenticator SET pgrst.db_max_rows = '1000';
@@ -50,6 +51,7 @@ ALTER ROLE other_authenticator SET pgrst.db_anon_role = 'other';
 ALTER ROLE other_authenticator SET pgrst.db_tx_end = 'rollback-allow-override';
 ALTER ROLE other_authenticator SET pgrst.db_schemas = 'test, other_tenant1, other_tenant2';
 ALTER ROLE other_authenticator SET pgrst.db_root_spec = 'other_root';
+ALTER ROLE other_authenticator SET pgrst.db_plan_enabled = 'true';
 ALTER ROLE other_authenticator SET pgrst.db_prepared_statements = 'false';
 ALTER ROLE other_authenticator SET pgrst.db_pre_request = 'test.other_custom_headers';
 ALTER ROLE other_authenticator SET pgrst.db_max_rows = '100';