#366 Multiple join produce "DSL SYNTAX ERROR"

JetBrains · Aug 16, 2018 · f2eddf9 · f2eddf9
1 parent 906b841
commit f2eddf9
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diff --git a/src/main/kotlin/org/jetbrains/exposed/sql/Table.kt b/src/main/kotlin/org/jetbrains/exposed/sql/Table.kt
@@ -119,7 +119,11 @@ class Join (val table: ColumnSet) : ColumnSet() {
     override fun describe(s: Transaction): String = buildString {
         append(table.describe(s))
         for (p in joinParts) {
-            append(" ${p.joinType} JOIN ${p.joinPart.describe(s)}")
+            append(" ${p.joinType} JOIN ")
+            val isJoin = p.joinPart is Join
+            if (isJoin) append("(")
+            append(p.joinPart.describe(s))
+            if(isJoin) append(")")
             if (p.joinType != JoinType.CROSS) {
                 append(" ON ")
                 val queryBuilder = QueryBuilder(false)

diff --git a/src/test/kotlin/org/jetbrains/exposed/sql/tests/shared/DMLTests.kt b/src/test/kotlin/org/jetbrains/exposed/sql/tests/shared/DMLTests.kt
@@ -1338,6 +1338,14 @@ class DMLTests : DatabaseTestsBase() {
         }
     }
 
+    @Test
+    fun testJoinWithJoin01() {
+        withCitiesAndUsers { cities, users, userData ->
+            val rows = (cities innerJoin (users innerJoin userData)).selectAll()
+            assertEquals(2, rows.count())
+        }
+    }
+
     @Test
     fun testStringFunctions() {
         withCitiesAndUsers { cities, users, userData ->