bug fixed sql parser aggregate distinct output

2023-03-04 19:17:16 +00:00 · 2012-07-18 07:29:47 +08:00
parent 5a3237cd1f
commit 4b64b07e38
12 changed files with 82 additions and 23 deletions
@@ -0,0 +1,28 @@
+package com.alibaba.druid.bvt.sql;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.util.JdbcUtils;
+
+
+public class DistinctTest extends TestCase {
+    private String sql = "select count(distinct *) from t";
+    
+    public void test_mysql() throws Exception {
+        Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.MYSQL));
+    }
+    
+    public void test_oracle() throws Exception {
+        Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.ORACLE));
+    }
+    
+    public void test_postgres() throws Exception {
+        Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, JdbcUtils.POSTGRESQL));
+    }
+    
+    public void test_sql92() throws Exception {
+        Assert.assertEquals("SELECT COUNT(DISTINCT *)\nFROM t", SQLUtils.format(sql, null));
+    }
+}