Merge pull request #58 from mura-admin/uint32oids

Fix Int32 -> UInt32 OIDs

Author: tanner0101

Sources/PostgreSQL/Data/PostgreSQLColumn.swift

@@ -1,7 +1,7 @@
 /// Represents a PostgreSQL column.
 public struct PostgreSQLColumn: Hashable, Equatable {
     /// The table this column belongs to.
-    public var tableOID: Int32
+    public var tableOID: UInt32
 
     /// The column's name.
     public var name: String
@@ -26,7 +26,7 @@ extension Dictionary where Key == PostgreSQLColumn {
 
     /// Access a `Value` from this dictionary keyed by `PostgreSQLColumn`s
     /// using a field (column) name and entity (table) name.
-    public func value(forTableOID tableOID: Int32, atColumn column: String) -> Value? {
+    public func value(forTableOID tableOID: UInt32, atColumn column: String) -> Value? {
         return self[PostgreSQLColumn(tableOID: tableOID, name: column)]
     }
 }

Sources/PostgreSQL/Message+Parse/PostgreSQLMessageDecoders.swift

@@ -43,6 +43,12 @@ final class _PostgreSQLMessageDecoder: Decoder, SingleValueDecodingContainer {
         VERBOSE("_PostgreSQLMessageDecoder.decode(_: \(type))")
         return try data.requireReadInteger()
     }
+    
+    /// See SingleValueDecodingContainer.decode
+    func decode(_ type: UInt32.Type) throws -> UInt32 {
+        VERBOSE("_PostgreSQLMessageDecoder.decode(_: \(type))")
+        return try data.requireReadInteger()
+    }
 
     /// See SingleValueDecodingContainer.decode
     func decode(_ type: String.Type) throws -> String {
@@ -98,7 +104,6 @@ final class _PostgreSQLMessageDecoder: Decoder, SingleValueDecodingContainer {
     func decode(_ type: Int64.Type) throws -> Int64 { throw PostgreSQLError(identifier: "decoder", reason: "Unsupported decode type: \(type)", source: .capture()) }
     func decode(_ type: UInt.Type) throws -> UInt { throw PostgreSQLError(identifier: "decoder", reason: "Unsupported decode type: \(type)", source: .capture()) }
     func decode(_ type: UInt16.Type) throws -> UInt16 { throw PostgreSQLError(identifier: "decoder", reason: "Unsupported decode type: \(type)", source: .capture()) }
-    func decode(_ type: UInt32.Type) throws -> UInt32 { throw PostgreSQLError(identifier: "decoder", reason: "Unsupported decode type: \(type)", source: .capture()) }
     func decode(_ type: UInt64.Type) throws -> UInt64 { throw PostgreSQLError(identifier: "decoder", reason: "Unsupported decode type: \(type)", source: .capture()) }
     func decode(_ type: Float.Type) throws -> Float { throw PostgreSQLError(identifier: "decoder", reason: "Unsupported decode type: \(type)", source: .capture()) }
     func decode(_ type: Double.Type) throws -> Double { throw PostgreSQLError(identifier: "decoder", reason: "Unsupported decode type: \(type)", source: .capture()) }

Sources/PostgreSQL/Message/PostgreSQLRowDescription.swift

@@ -45,7 +45,7 @@ struct PostgreSQLRowDescriptionField: Decodable {
     var name: String
 
     /// If the field can be identified as a column of a specific table, the object ID of the table; otherwise zero.
-    var tableObjectID: Int32
+    var tableObjectID: UInt32
 
     /// If the field can be identified as a column of a specific table, the attribute number of the column; otherwise zero.
     var columnAttributeNumber: Int16