sql支持数组的方式，类似Mybatis

.gitignore

@@ -0,0 +1,138 @@
+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+### Java template
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+### Maven template
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+
+# Avoid ignoring Maven wrapper jar file (.jar files are usually ignored)
+!/.mvn/wrapper/maven-wrapper.jar
+### Eclipse template
+
+.metadata
+bin/
+tmp/
+*.tmp
+*.bak
+*.swp
+*~.nib
+local.properties
+.settings/
+.loadpath
+.recommenders
+
+# Eclipse Core
+.project
+
+# External tool builders
+.externalToolBuilders/
+
+# Locally stored "Eclipse launch configurations"
+*.launch
+
+# PyDev specific (Python IDE for Eclipse)
+*.pydevproject
+
+# CDT-specific (C/C++ Development Tooling)
+.cproject
+
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+# Java annotation processor (APT)
+.factorypath
+
+# PDT-specific (PHP Development Tools)
+.buildpath
+
+# sbteclipse plugin
+.target
+
+# Tern plugin
+.tern-project
+
+# TeXlipse plugin
+.texlipse
+
+# STS (Spring Tool Suite)
+.springBeans
+
+# Code Recommenders
+.recommenders/
+
+# Scala IDE specific (Scala & Java development for Eclipse)
+.cache-main
+.scala_dependencies
+.worksheet

src/main/java/org/jfaster/mango/annotation/SQL.java

@@ -33,6 +33,6 @@
    *
    * @return
    */
-  String value();
+  String[] value();
 
 }

src/main/java/org/jfaster/mango/descriptor/MethodDescriptor.java

@@ -18,6 +18,7 @@
 
 import org.jfaster.mango.annotation.*;
 import org.jfaster.mango.exception.DescriptionException;
+import org.jfaster.mango.util.Joiner;
 import org.jfaster.mango.util.Strings;
 import org.jfaster.mango.util.logging.InternalLogger;
 import org.jfaster.mango.util.logging.InternalLoggerFactory;
@@ -26,6 +27,7 @@
 import javax.annotation.Nullable;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Type;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 
@@ -104,7 +106,11 @@ public String getSQL() {
     SQL sqlAnno = getAnnotation(SQL.class);
     String sql;
     if (sqlAnno != null) {
-      sql = sqlAnno.value();
+      String[] fragments = sqlAnno.value();
+      if (fragments.length == 0) {
+        throw new DescriptionException("sql is null or empty");
+      }
+      sql = Joiner.on(' ').join(Arrays.asList(fragments)).trim();
     } else {
       UseSqlGenerator useSqlGeneratorAnno = getAnnotation(UseSqlGenerator.class);
       if (useSqlGeneratorAnno == null) {

src/main/java/org/jfaster/mango/plugin/stats/ExtendStat.java

@@ -17,15 +17,18 @@
 package org.jfaster.mango.plugin.stats;
 
 import org.jfaster.mango.annotation.DB;
+import org.jfaster.mango.annotation.SQL;
 import org.jfaster.mango.annotation.Sharding;
 import org.jfaster.mango.sharding.NotUseTableShardingStrategy;
 import org.jfaster.mango.stat.OperatorStat;
+import org.jfaster.mango.util.Joiner;
 import org.jfaster.mango.util.Strings;
 import org.jfaster.mango.util.ToStringHelper;
 
 import java.lang.reflect.Method;
 import java.lang.reflect.Type;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 /**
@@ -51,8 +54,8 @@ public String getSimpleMethodName() {
   }
 
   public String getSql() {
-    String sql = operatorStat.getSql();
-    DB dbAnno = operatorStat.getDaoClass().getAnnotation(DB.class);
+    String sql = Joiner.on(' ').join(Arrays.asList(method.getAnnotation(SQL.class).value()));
+    DB dbAnno = method.getDeclaringClass().getAnnotation(DB.class);
     String table = dbAnno.table();
     if (Strings.isNotEmpty(table)) {
       Sharding shardingAnno = method.getAnnotation(Sharding.class);

src/test/java/org/jfaster/mango/exception/IncorrectSqlExceptionTest.java

@@ -33,7 +33,8 @@
 import java.util.List;
 
 /**
- * 测试{@link org.jfaster.mango.operator.IncorrectSqlException}
+ * 测试{@link org.jfaster.mango.exception.DescriptionException}
+ * 测试{@link org.jfaster.mango.parser.SqlParserException}
  *
  * @author ash
  */
@@ -81,6 +82,13 @@ public void test5() {
     dao.gets(new ArrayList<Integer>(), new ArrayList<Integer>());
   }
 
+  @Test
+  public void test6() {
+    thrown.expect(DescriptionException.class);
+    Dao dao = mango.create(Dao.class);
+    dao.add4();
+  }
+
   @DB
   @Cache(prefix = "dao_", expire = Day.class)
   static interface Dao {
@@ -93,6 +101,9 @@ static interface Dao {
     @SQL("test")
     public int add3();
 
+    @SQL({})
+    public int add4();
+
     @SQL("select ... where a in (:1) and b in (:2)")
     public List<Integer> gets(@CacheBy List<Integer> a, List<Integer> b);
   }

src/test/java/org/jfaster/mango/support/MockSQL.java

@@ -25,14 +25,18 @@
  */
 public class MockSQL implements Annotation, SQL {
 
-  private String value;
+  private String[] value;
 
-  public MockSQL(String value) {
+  public MockSQL(String[] value) {
     this.value = value;
   }
 
+  public MockSQL(String value) {
+    this.value = new String[]{value};
+  }
+
   @Override
-  public String value() {
+  public String[] value() {
     return value;
   }