From ea0afb2a788edf55e6cdf3ffcd569d57db6243d1 Mon Sep 17 00:00:00 2001
From: morningman <morningman@163.com>
Date: Tue, 29 Aug 2023 16:02:18 +0800
Subject: [PATCH] [branch-1.2] fix some function call expr toSql issue

---
 .../doris/analysis/FunctionCallExpr.java      | 26 ++++++++++++++-----
 1 file changed, 20 insertions(+), 6 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/FunctionCallExpr.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/FunctionCallExpr.java
index 10b1f9e46d1c4c..09dc26a67f263b 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/FunctionCallExpr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/FunctionCallExpr.java
@@ -516,6 +516,14 @@ public boolean equals(Object obj) {
                 return false;
             }
         }
+        if (orderByElements.size() != o.orderByElements.size()) {
+            return false;
+        }
+        for (int i = 0; i < orderByElements.size(); i++) {
+            if (!orderByElements.get(i).equals(o.orderByElements.get(i))) {
+                return false;
+            }
+        }
         return /*opcode == o.opcode && aggOp == o.aggOp &&*/ fnName.equals(o.fnName)
                 && fnParams.isDistinct() == o.fnParams.isDistinct()
                 && fnParams.isStar() == o.fnParams.isStar();
@@ -532,7 +540,6 @@ private String paramsToSql() {
             sb.append("DISTINCT ");
         }
         int len = children.size();
-        List<String> result = Lists.newArrayList();
         if (fnName.getFunction().equalsIgnoreCase("json_array")
                 || fnName.getFunction().equalsIgnoreCase("json_object")) {
             len = len - 1;
@@ -556,14 +563,20 @@ private String paramsToSql() {
                 || fnName.getFunction().equalsIgnoreCase("aes_encrypt")
                 || fnName.getFunction().equalsIgnoreCase("sm4_decrypt")
                 || fnName.getFunction().equalsIgnoreCase("sm4_encrypt"))) {
-                result.add("\'***\'");
+                sb.append("\'***\'");
             } else if (orderByElements.size() > 0 && i == len - orderByElements.size()) {
-                result.add("ORDER BY " + children.get(i).toSql());
-            } else {
-                result.add(children.get(i).toSql());
+                sb.append("ORDER BY");
+            }
+            sb.append(children.get(i).toSql());
+            if (orderByElements.size() > 0 && i >= len - orderByElements.size()) {
+                if (orderByElements.get(i - len + orderByElements.size()).getIsAsc()) {
+                    sb.append(" ASC");
+                } else {
+                    sb.append(" DESC");
+                }
             }
         }
-        sb.append(Joiner.on(", ").join(result)).append(")");
+        sb.append(")");
         return sb.toString();
     }
 
@@ -1964,3 +1977,4 @@ private void setChildren() {
         orderByElements.forEach(o -> addChild(o.getExpr()));
     }
 }
+