From b04608c383973395dc96e3688cf36a23a8c61312 Mon Sep 17 00:00:00 2001
From: Jacopo Notarstefano <jacopo@nabla.com>
Date: Thu, 20 Jun 2019 13:33:37 +0200
Subject: [PATCH] Build LIMIT only if size is strictly positive

---
 .../kotlin/org/jetbrains/exposed/sql/vendors/Default.kt  | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/exposed/src/main/kotlin/org/jetbrains/exposed/sql/vendors/Default.kt b/exposed/src/main/kotlin/org/jetbrains/exposed/sql/vendors/Default.kt
index 71e0d866c7..93adfd2932 100644
--- a/exposed/src/main/kotlin/org/jetbrains/exposed/sql/vendors/Default.kt
+++ b/exposed/src/main/kotlin/org/jetbrains/exposed/sql/vendors/Default.kt
@@ -107,7 +107,14 @@ abstract class FunctionProvider {
     open fun replace(table: Table, data: List<Pair<Column<*>, Any?>>, transaction: Transaction): String
         = transaction.throwUnsupportedException("There's no generic SQL for replace. There must be vendor specific implementation")
 
-    open fun queryLimit(size: Int, offset: Int, alreadyOrdered: Boolean) = "LIMIT $size" + if (offset > 0) " OFFSET $offset" else ""
+    open fun queryLimit(size: Int, offset: Int, alreadyOrdered: Boolean) = buildString {
+        if (size > 0) {
+            append("LIMIT $size")
+            if (offset > 0) {
+                append(" OFFSET $offset")
+            }
+        }
+    }
 
     open fun <T : String?> groupConcat(expr: GroupConcat<T>, queryBuilder: QueryBuilder) = buildString {
         append("GROUP_CONCAT(")