improved SchemaStatVisitor, support function condition

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlUpdateTest_3.java

@@ -50,7 +50,7 @@ public class MySqlUpdateTest_3 extends MysqlTest {
 
         Assert.assertEquals(1, visitor.getTables().size());
         Assert.assertEquals(5, visitor.getColumns().size());
-        Assert.assertEquals(1, visitor.getConditions().size());
+        Assert.assertEquals(3, visitor.getConditions().size());
 
         Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("scheme.table")));
 

src/test/java/com/alibaba/druid/bvt/sql/oracle/OracleBlockTest5.java

@@ -67,7 +67,7 @@ public class OracleBlockTest5 extends OracleTest {
          Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("ipay_contract")));
 
         Assert.assertEquals(7, visitor.getColumns().size());
-        Assert.assertEquals(2, visitor.getConditions().size());
+        Assert.assertEquals(3, visitor.getConditions().size());
 
 //         Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("departments", "department_id")));
     }

src/test/java/com/alibaba/druid/bvt/support/odps/udf/ExportConditionsTest.java

@@ -11,6 +11,6 @@ public class ExportConditionsTest extends TestCase {
     
     public void test_export_conditions() throws Exception {
         String result = udf.evaluate("select * from t where id = 3 and name = 'chensheng'");
-        Assert.assertEquals("[[\"t.id\",\"=\",3],[\"t.name\",\"=\",\"chensheng\"]]", result);
+        Assert.assertEquals("[[\"t\",\"id\",\"=\",3],[\"t\",\"name\",\"=\",\"chensheng\"]]", result);
     }
 }

src/test/java/com/alibaba/druid/bvt/support/odps/udf/ExportConditionsTest2.java

@@ -0,0 +1,16 @@
+package com.alibaba.druid.bvt.support.odps.udf;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.support.opds.udf.ExportConditions;
+
+import junit.framework.TestCase;
+
+public class ExportConditionsTest2 extends TestCase {
+    ExportConditions udf = new ExportConditions();
+    
+    public void test_export_conditions() throws Exception {
+        String result = udf.evaluate("select * from t where proof_account is not null");
+        Assert.assertEquals("[[\"t\",\"proof_account\",\"IS NOT\",null]]", result);
+    }
+}

src/test/java/com/alibaba/druid/bvt/support/odps/udf/ExportConditionsTest3.java

@@ -0,0 +1,16 @@
+package com.alibaba.druid.bvt.support.odps.udf;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.support.opds.udf.ExportConditions;
+
+import junit.framework.TestCase;
+
+public class ExportConditionsTest3 extends TestCase {
+    ExportConditions udf = new ExportConditions();
+    
+    public void test_export_conditions() throws Exception {
+        String result = udf.evaluate("select * from t where trim(name) = 'abc'");
+        Assert.assertEquals("[[\"t\",\"name\",\"=\",\"abc\"]]", result);
+    }
+}

src/test/java/com/alibaba/druid/bvt/support/odps/udf/ExportConditionsTest4.java

@@ -0,0 +1,16 @@
+package com.alibaba.druid.bvt.support.odps.udf;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.support.opds.udf.ExportConditions;
+
+import junit.framework.TestCase;
+
+public class ExportConditionsTest4 extends TestCase {
+    ExportConditions udf = new ExportConditions();
+    
+    public void test_export_conditions() throws Exception {
+        String result = udf.evaluate("select * from t where trim(name) <> 'abc'");
+        Assert.assertEquals("[[\"t\",\"name\",\"<>\",\"abc\"]]", result);
+    }
+}