bug fixed for sql parser. issue #1356

2023-03-04 19:17:16 +00:00 · 2016-08-05 16:22:58 +08:00
parent cfa4b9fca2
commit 165eefe9a9
2 changed files with 61 additions and 1 deletions
@@ -0,0 +1,60 @@
+package com.alibaba.druid.bvt.sql.mysql;
+
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+import junit.framework.TestCase;
+import org.junit.Assert;
+
+import java.util.List;
+
+/**
+ * Created by wenshao on 16/8/5.
+ */
+public class MySqlCeateTableTest34 extends TestCase {
+    public void test_for_parse() throws Exception {
+        String sql = "CREATE TABLE \"item_extra\" (\n" +
+                "  \"id\" int(10) unsigned NOT NULL AUTO_INCREMENT,\n" +
+                "  \"item_id\" int(10) unsigned NOT NULL DEFAULT '0' COMMENT '商品id',\n" +
+                "  \"type\" tinyint(4) unsigned NOT NULL DEFAULT '0' COMMENT '扩展属性类型，0：虚拟商品',\n" +
+                "  \"attr_key\" varchar(50) NOT NULL COMMENT '扩展属性key',\n" +
+                "  \"attr_value\" varchar(500) NOT NULL COMMENT '扩展属性value',\n" +
+                "  PRIMARY KEY (\"id\"),\n" +
+                "  KEY \"idx_item_type_kv\" (\"item_id\",\"type\",\"attr_key\",\"attr_value\"(191))\n" +
+                ")"; //
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement stmt = statementList.get(0);
+//        print(statementList);
+
+        Assert.assertEquals(1, statementList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+//        System.out.println("Tables : " + visitor.getTables());
+//        System.out.println("fields : " + visitor.getColumns());
+//        System.out.println("coditions : " + visitor.getConditions());
+//        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(5, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("item_extra")));
+
+        String output = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("CREATE TABLE \"item_extra\" (\n" +
+                "\t\"id\" int(10) UNSIGNED NOT NULL AUTO_INCREMENT, \n" +
+                "\t\"item_id\" int(10) UNSIGNED NOT NULL DEFAULT '0' COMMENT '商品id', \n" +
+                "\t\"type\" tinyint(4) UNSIGNED NOT NULL DEFAULT '0' COMMENT '扩展属性类型，0：虚拟商品', \n" +
+                "\t\"attr_key\" varchar(50) NOT NULL COMMENT '扩展属性key', \n" +
+                "\t\"attr_value\" varchar(500) NOT NULL COMMENT '扩展属性value', \n" +
+                "\tPRIMARY KEY ('id'), \n" +
+                "\tKEY \"idx_item_type_kv\" ('item_id', 'type', 'attr_key', 'attr_value'(191))\n" +
+                ")", output);
+    }
+}