package com.alibaba.druid.bvt.sql.schemaStat;
import org.junit.Assert;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.parser.SQLParserUtils;
import com.alibaba.druid.sql.parser.SQLStatementParser;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.util.JdbcConstants;
import junit.framework.TestCase;
public class SchemaStatTest2 extends TestCase {
public void test_schemaStat() throws Exception {
String sql = "select "
+ " create_time_dd as 来电日期"
+ " from alisec_app.adl_tb_wing_rubbish_laidian_new_reason_realname_fdt "
+ " order by 来电日期 desc limit 30;";
String dbType = JdbcConstants.MYSQL;
SQLStatementParser parser = SQLParserUtils.createSQLStatementParser(sql, dbType);
SQLStatement stmt = parser.parseStatementList().get(0);
SchemaStatVisitor statVisitor = SQLUtils.createSchemaStatVisitor(dbType);
stmt.accept(statVisitor);
System.out.println(statVisitor.getColumns());
Assert.assertEquals(1, statVisitor.getColumns().size());
}
}