diff --git a/Sources/PostgreSQLAdaptor/PostgreSQLAdaptor.swift b/Sources/PostgreSQLAdaptor/PostgreSQLAdaptor.swift
index 9db746c..e5777bc 100644
--- a/Sources/PostgreSQLAdaptor/PostgreSQLAdaptor.swift
+++ b/Sources/PostgreSQLAdaptor/PostgreSQLAdaptor.swift
@@ -3,7 +3,7 @@
 //  ZeeQL
 //
 //  Created by Helge Hess on 03/03/17.
-//  Copyright © 2017-2019 ZeeZide GmbH. All rights reserved.
+//  Copyright © 2017-2024 ZeeZide GmbH. All rights reserved.
 //
 
 import Foundation
@@ -22,7 +22,9 @@ open class PostgreSQLAdaptor : Adaptor, SmartDescription {
   
   /// The connectString the adaptor was configured with.
   open var connectString : String
-  
+
+  private let pool : AdaptorChannelPool?
+
   /**
    * Configure the adaptor with the given connect string.
    *
@@ -48,9 +50,10 @@ open class PostgreSQLAdaptor : Adaptor, SmartDescription {
    * Note: The init doesn't validate the connect string, if it is malformed,
    *       channel creation will fail.
    */
-  public init(_ connectString: String) {
+  public init(_ connectString: String, pool: AdaptorChannelPool? = nil) {
     // TODO: could call PQconninfoParse(constr, &error) to validate
     self.connectString = connectString
+    self.pool = pool
   }
   
   /**
@@ -63,7 +66,8 @@ open class PostgreSQLAdaptor : Adaptor, SmartDescription {
    */
   public convenience init(host: String = "127.0.0.1", port: Int = 5432,
                           database: String = "postgres",
-                          user: String = "postgres",  password: String = "")
+                          user: String = "postgres",  password: String = "",
+                          pool: AdaptorChannelPool? = nil)
   {
     var s = ""
     if !host.isEmpty     { s += " host=\(host)"         }
@@ -71,7 +75,7 @@ open class PostgreSQLAdaptor : Adaptor, SmartDescription {
     if !database.isEmpty { s += " dbname=\(database)"   }
     if !user.isEmpty     { s += " user=\(user)"         }
     if !password.isEmpty { s += " password=\(password)" }
-    self.init(s)
+    self.init(s, pool: pool)
   }
   
   private func parseConnectionString(_ s: String) -> [ String : String ] {
@@ -147,10 +151,37 @@ open class PostgreSQLAdaptor : Adaptor, SmartDescription {
     return PostgreSQLAdaptorChannel(adaptor: self, handle: handle)
   }
   
-  public func releaseChannel(_ channel: AdaptorChannel) {
-    // not maintaing a pool
+  public func openChannelFromPool() throws -> AdaptorChannel {
+    if let channel = pool?.grab() {
+      log.info("reusing pooled channel:", channel)
+      return channel
+    }
+    do {
+      let channel = try openChannel()
+      if pool != nil {
+        log.info("opened new channel:", channel)
+      }
+      return channel
+    }
+    catch {
+      throw error
+    }
   }
   
+  public func releaseChannel(_ channel: AdaptorChannel) {
+    guard let pool = pool else {
+      return
+    }
+    if let channel = channel as? PostgreSQLAdaptorChannel {
+      log.info("releasing channel:", ObjectIdentifier(channel))
+      pool.add(channel)
+    }
+    else {
+      log.info("invalid channel type:", channel)
+      assert(channel is PostgreSQLAdaptorChannel)
+    }
+  }
+
   
   // MARK: - Model
   
@@ -172,8 +203,9 @@ open class PostgreSQLAdaptor : Adaptor, SmartDescription {
 
   public func appendToDescription(_ ms: inout String) {
     ms += " " + connectString
-    if model != nil {
+    if let model = model {
       ms += " has-model"
+      if model.isPattern { ms += "(pattern)" }
     }
   }
 }
diff --git a/Sources/PostgreSQLAdaptor/PostgreSQLAdaptorChannel.swift b/Sources/PostgreSQLAdaptor/PostgreSQLAdaptorChannel.swift
index f909e21..942d3f4 100644
--- a/Sources/PostgreSQLAdaptor/PostgreSQLAdaptorChannel.swift
+++ b/Sources/PostgreSQLAdaptor/PostgreSQLAdaptorChannel.swift
@@ -3,7 +3,7 @@
 //  ZeeQL
 //
 //  Created by Helge Hess on 03/03/17.
-//  Copyright © 2017 ZeeZide GmbH. All rights reserved.
+//  Copyright © 2017-2024 ZeeZide GmbH. All rights reserved.
 //
 
 #if os(Windows)
@@ -13,7 +13,7 @@
 #else
   import Darwin
 #endif
-import struct Foundation.Data
+import Foundation
 import ZeeQL
 import CLibPQ
 
@@ -34,11 +34,12 @@ open class PostgreSQLAdaptorChannel : AdaptorChannel, SmartDescription {
 
   public let expressionFactory : SQLExpressionFactory
   public var handle : OpaquePointer?
-  final  let logSQL  = true
+  final  let logSQL : Bool
   
   init(adaptor: Adaptor, handle: OpaquePointer) {
     self.expressionFactory = adaptor.expressionFactory
     self.handle = handle
+    self.logSQL = UserDefaults.standard.bool(forKey: "PGDebugEnabled")
   }
   
   deinit {
@@ -317,6 +318,7 @@ open class PostgreSQLAdaptorChannel : AdaptorChannel, SmartDescription {
     // TODO: consider attribute! (e.g. for date, valueType in attr, if set)
     
     // TODO: decode actual types :-)
+    // TODO: do not crash on force unwrap
     
     switch type {
       case OIDs.INT2:    return Int16(bigEndian: cast(value.baseAddress!))
@@ -335,11 +337,25 @@ open class PostgreSQLAdaptorChannel : AdaptorChannel, SmartDescription {
       case OIDs.NAME: // e.g. SELECT datname FROM pg_database
         return String(cString: value.baseAddress!)
       
-      case OIDs.TIMESTAMPTZ:
+      case OIDs.TIMESTAMPTZ: // 1184
         // TODO: I think it is better to fix this during the query, that is,
         // to a SELECT unix_time(startDate) like thing.
         // hm. How to parse this? We used to have the format in the attribute?
         // http://www.linuxtopia.org/online_books/database_guides/Practical_PostgreSQL_database/PostgreSQL_x2632_005.htm
+        // 2024-11-08(hh): this seems to be 8 bytes aka UInt64 and the above
+        //                 for String representations
+        // https://postgrespro.com/list/thread-id/1482672
+        // https://materialize.com/docs/sql/types/timestamp/
+        // - Min value    4713 BC
+        // - Max value  294276 AD
+        // - Max resolution  1 microsecond
+        if value.count == 8 {
+          // 1_000_000
+          let msecs = Double(UInt64(bigEndian: cast(value.baseAddress!)))
+          let date = Date(timeInterval: TimeInterval(msecs) / 1000000.0,
+                          since: Date.pgReferenceDate)
+          return date
+        }
         return String(cString: value.baseAddress!)
       case OIDs.TIMESTAMP:
         return String(cString: value.baseAddress!)
@@ -527,3 +543,9 @@ fileprivate func tdup<T>(_ value: T) -> UnsafeBufferPointer<Int8> {
   ptr.pointee = value
   return UnsafeBufferPointer(start: UnsafePointer(raw), count: len)
 }
+
+fileprivate extension Date {
+  
+  // 2000-01-01
+  static let pgReferenceDate = Date(timeIntervalSince1970: 946684800)
+}