feat: better types overriding

sqlc.yaml

@@ -1,4 +1,3 @@
-
 version: "2"
 sql:
   - engine: "postgresql"
@@ -14,8 +13,95 @@ sql:
           - db_type: "uuid"
             go_type:
               import: "github.com/google/uuid"
-              type: "UUID"
-          - db_type: "timestamptz"
+              type: UUID
+          - db_type: "uuid"
+            nullable: true
+            go_type:
+              import: "github.com/google/uuid"
+              type: UUID
+              pointer: true
+          # ───── bool ──────────────────────────────────────────
+          - db_type: "pg_catalog.bool" # or just "bool"
+            go_type: { type: "bool" }
+          - db_type: "bool" # or just "bool"
+            go_type: { type: "bool" }
+
+          - db_type: "pg_catalog.bool"
+            nullable: true
+            go_type:
+              type: "bool"
+              pointer: true # ⇒ *bool for NULLable columns
+
+          - db_type: "bool"
+            nullable: true
+            go_type:
+              type: "bool"
+              pointer: true # ⇒ *bool for NULLable columns
+
+          # ───── text ──────────────────────────────────────────
+          - db_type: "pg_catalog.text"
+            go_type: { type: "string" }
+          - db_type: "text" # or just "bool"
+            go_type: { type: "string" }
+
+          - db_type: "pg_catalog.text"
+            nullable: true
+            go_type:
+              type: "string"
+              pointer: true # ⇒ *bool for NULLable columns
+
+          - db_type: "text"
+            nullable: true
+            go_type:
+              type: "string"
+              pointer: true # ⇒ *bool for NULLable columns
+
+          # ───── timestamp (WITHOUT TZ) ────────────────────────
+          - db_type: "pg_catalog.timestamp" # or "timestamp"
             go_type:
               import: "time"
               type: "Time"
+
+          - db_type: "timestamp" # or "timestamp"
+            go_type:
+              import: "time"
+              type: "Time"
+
+          - db_type: "pg_catalog.timestamp"
+            nullable: true
+            go_type:
+              import: "time"
+              type: "Time"
+              pointer: true
+
+          - db_type: "timestamp"
+            nullable: true
+            go_type:
+              import: "time"
+              type: "Time"
+              pointer: true
+
+          # ───── timestamptz (WITH TZ) ─────────────────────────
+          - db_type: "pg_catalog.timestamptz" # or "timestamptz"
+            go_type:
+              import: "time"
+              type: "Time"
+
+          - db_type: "timestamptz" # or "timestamptz"
+            go_type:
+              import: "time"
+              type: "Time"
+
+          - db_type: "pg_catalog.timestamptz"
+            nullable: true
+            go_type:
+              import: "time"
+              type: "Time"
+              pointer: true
+
+          - db_type: "timestamptz"
+            nullable: true
+            go_type:
+              import: "time"
+              type: "Time"
+              pointer: true