Fix hex binary type (#10)

Co-authored-by: hfhbd <[email protected]>

Author: hfhbd

src/commonMain/kotlin/app/softwork/sqldelight/postgresdriver/PostgresNativeDriver.kt

@@ -215,7 +215,7 @@ class PostgresCursor(
     private inline fun Int.fromHex(): Int = if (this in 48..57) {
         this - 48
     } else {
-        this - 97
+        this - 87
     }
 
     // because "normal" CPointer<ByteVar>.toByteArray() functions does not support hex (2 Bytes) bytes
@@ -262,8 +262,8 @@ class PostgresPreparedStatement(private val parameters: Int) : SqlPreparedStatem
     }
 
     private sealed interface Data {
-        inline class Bytes(val bytes: ByteArray) : Data
-        inline class Text(val text: String) : Data
+        value class Bytes(val bytes: ByteArray) : Data
+        value class Text(val text: String) : Data
     }
 
     private val _values = arrayOfNulls<Data>(parameters)

src/commonTest/kotlin/app/softwork/sqldelight/postgresdriver/PostgresNativeDriverTest.kt

@@ -26,7 +26,7 @@ class PostgresNativeDriverTest {
 
             bindLong(3, 6)
             bindString(4, "bar 1")
-            bindBytes(5, null)
+            bindBytes(5, byteArrayOf(16.toByte(), 12.toByte()))
         }
         assertEquals(2, result)
         val notPrepared = driver.executeQuery(null, "SELECT * from baz limit 1;", parameters = 0, mapper = {
@@ -60,7 +60,7 @@ class PostgresNativeDriverTest {
                 Simple(it, null, null)
             } + listOf(
                 Simple(5, "bar 0", byteArrayOf(1.toByte(), 2.toByte())),
-                Simple(6, "bar 1", null),
+                Simple(6, "bar 1", byteArrayOf(16.toByte(), 12.toByte())),
             ),
             preparedStatement
         )