feat: query parser per-database (#118)

* feat: query parser per-database

* plural

Author: levkk

Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v1
 name: pgdog
-version: v0.69
+version: v0.70
 appVersion: "0.1.47"

scripts/schema-overrides.yaml

@@ -307,6 +307,22 @@ mirrors:
       level:
         type: string
 
+# --- Query parser array ---
+queryParsers:
+  type: array
+  description: Per-database query parser entries
+  items:
+    type: object
+    additionalProperties: false
+    required: ["database", "level"]
+    properties:
+      database:
+        type: string
+      level:
+        type: string
+      engine:
+        type: string
+
 # --- Sharded schemas ---
 shardedSchemas:
   type: array

templates/config.yaml

@@ -353,6 +353,15 @@ data:
         {{- end }}
         {{- end }}
 
+        {{- range .Values.queryParsers }}
+        [[query_parsers]]
+        database = {{ .database | quote }}
+        level = {{ .level | quote }}
+        {{- if hasKey . "engine" }}
+        engine = {{ .engine | quote }}
+        {{- end }}
+        {{- end }}
+
         {{- range .Values.shardedSchemas }}
         [[sharded_schemas]]
         database = {{ .database | quote }}

test/values-pgdog-config-extras.yaml

@@ -2,7 +2,7 @@
 # Covers: ban_replica_lag*, 2PC WAL persistence, resharding copy retries,
 # query_log, rewrite_shard_key_updates, unique_id_*, cutover_*,
 # tcp user_timeout/congestion_control, mirroring queue_length/level,
-# database lb_weight/resharding_only, multi_tenant, otel.
+# query_parsers table, database lb_weight/resharding_only, multi_tenant, otel.
 
 banReplicaLag: 60_000
 banReplicaLagBytes: 10_000_000
@@ -62,3 +62,8 @@ mirrors:
     queueLength: 256
     exposure: 0.5
     level: dml
+
+queryParsers:
+  - database: primary
+    level: "off"
+    engine: pg_query_raw

values.yaml

@@ -227,6 +227,15 @@ users: []
 # mirrors contains a list of databases to replicate traffic from/to.
 mirrors: []
 
+# queryParsers contains per-database query parser settings in pgdog.toml.
+# Each entry requires: database and level; engine is optional.
+# Example:
+# queryParsers:
+#   - database: "prod"
+#     level: "off"
+#     engine: "pg_query_raw"
+queryParsers: []
+
 # shardedSchemas contains the list of sharded schema entries in pgdog.toml
 # Each entry requires: database and shard; name is optional
 # Example: