fix: restore nil param handling, remove unused executeQuery

Author: datlechin

Plugins/CloudflareD1DriverPlugin/CloudflareD1PluginDriver.swift

@@ -139,7 +139,8 @@ final class CloudflareD1PluginDriver: PluginDatabaseDriver, @unchecked Sendable
 
         let startTime = Date()
         let trimmed = query.trimmingCharacters(in: .whitespacesAndNewlines)
-        let payload = try await client.executeRaw(sql: trimmed, params: parameters)
+        let anyParams: [Any?] = parameters.map { $0 as Any? }
+        let payload = try await client.executeRaw(sql: trimmed, params: anyParams)
         let executionTime = Date().timeIntervalSince(startTime)
         return mapRawResult(payload, executionTime: executionTime)
     }

Plugins/CloudflareD1DriverPlugin/D1HttpClient.swift

@@ -46,15 +46,6 @@ struct D1RawResults: Decodable {
     }
 }
 
-struct D1QueryResultPayload: Decodable {
-    let results: [[String: D1Value]]?
-    let meta: D1QueryMeta?
-    let success: Bool
-
-    private enum CodingKeys: String, CodingKey {
-        case results, meta, success
-    }
-}
 
 struct D1QueryMeta: Decodable {
     let duration: Double?
@@ -90,6 +81,8 @@ struct D1ListResponse: Decodable {
     }
 }
 
+// No .bool case: D1/SQLite stores booleans as integers (0/1),
+// and Foundation's JSONDecoder decodes JSON true/false as Int when Int is tried first.
 enum D1Value: Decodable {
     case string(String)
     case int(Int)
@@ -207,22 +200,6 @@ final class D1HttpClient: @unchecked Sendable {
         return first
     }
 
-    func executeQuery(sql: String, params: [Any?]? = nil) async throws -> D1QueryResultPayload {
-        let dbId = databaseId
-        let url = try baseURL(databaseId: dbId).appendingPathComponent("query")
-        let body = try buildQueryBody(sql: sql, params: params)
-        let data = try await performRequest(url: url, method: "POST", body: body)
-
-        let envelope = try JSONDecoder().decode(D1ApiResponse<[D1QueryResultPayload]>.self, from: data)
-        try checkApiSuccess(envelope)
-
-        guard let results = envelope.result, let first = results.first else {
-            throw D1HttpError(message: String(localized: "Empty response from Cloudflare D1"))
-        }
-
-        return first
-    }
-
     func getDatabaseDetails() async throws -> D1DatabaseInfo {
         let dbId = databaseId
         let url = try baseURL(databaseId: dbId)