fix: EXPOSED-27 Id is not in record set

In the `setInternal` function in `ResultRow`, the expression `c` could not be found in the `fieldIndex` map because the column comparison fails because of a type mismatch between EntityIDColumnType and VarCharColumnType.

exposed-core/src/main/kotlin/org/jetbrains/exposed/sql/ResultRow.kt

@@ -46,7 +46,17 @@ class ResultRow(
     }
 
     private fun <T> setInternal(c: Expression<out T>, value: T) {
-        val index = fieldIndex[c] ?: error("$c is not in record set")
+        val index = fieldIndex[c]
+            ?: ((c as? Column<*>)?.columnType as? EntityIDColumnType<*>)?.let { fieldIndex[it.idColumn] }
+            ?: fieldIndex.keys.firstOrNull { exp ->
+                when (exp) {
+                    // exp is Column<*> && exp.table is Alias<*> -> exp.table.delegate == c
+                    is Column<*> -> (exp.columnType as? EntityIDColumnType<*>)?.idColumn == c
+                    is ExpressionAlias<*> -> exp.delegate == c
+                    else -> false
+                }
+            }?.let { fieldIndex[it] }
+            ?: error("$c is not in record set")
         data[index] = value
     }
 

exposed-tests/src/test/kotlin/org/jetbrains/exposed/sql/tests/shared/entities/EntityTests.kt

@@ -1319,4 +1319,28 @@ class EntityTests : DatabaseTestsBase() {
             )
         }
     }
+
+    object RequestsTable : IdTable<String>() {
+        val requestId: Column<String> = varchar("reqId", 256)
+        override val primaryKey = PrimaryKey(requestId)
+        override val id: Column<EntityID<String>> = requestId.entityId()
+    }
+
+    class Request(id: EntityID<String>) : Entity<String>(id) {
+        companion object : EntityClass<String, Request>(RequestsTable)
+
+        var requestId by RequestsTable.requestId
+    }
+
+    @Test
+    fun testSelectFromStringIdTableWithPrimaryKeyByColumn() {
+        withTables(RequestsTable) {
+            Request.new {
+                requestId = "123"
+            }
+
+            val count = Request.all().count()
+            assertEquals(1, count)
+        }
+    }
 }