reduce SHOW TRANSACTION ISOLATION LEVEL at transaction start in Pos…

…tgres (#1478) / minor code cleanup
JetBrains · Apr 10, 2022 · c0915ad · c0915ad
1 parent 0e23425
commit c0915ad
Showing 1 changed file with 5 additions and 8 deletions.
diff --git a/exposed-jdbc/src/main/kotlin/org/jetbrains/exposed/sql/statements/jdbc/JdbcConnectionImpl.kt b/exposed-jdbc/src/main/kotlin/org/jetbrains/exposed/sql/statements/jdbc/JdbcConnectionImpl.kt
@@ -42,15 +42,12 @@ class JdbcConnectionImpl(override val connection: Connection) : ExposedConnectio
 
     override var transactionIsolation: Int = -1
         get() {
-            if (field != -1) {
-                return field
-            }
-
-            return synchronized(this) {
-                val value = connection.transactionIsolation
-                field = value
-                value
+            if (field == -1) {
+                synchronized(this) {
+                    field = connection.transactionIsolation
+                }
             }
+            return field
         }
         set(value) {
             if (field != value) {