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package mssql;
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.ESqlStatementType;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.stmt.TCreateTableSqlStatement;
import gudusoft.gsqlparser.stmt.mssql.TCreateExternalLanguage;
import junit.framework.TestCase;
public class testExternalTable extends TestCase {
public void test1() {
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvazuresql);
sqlparser.sqltext = "CREATE EXTERNAL TABLE ClickStream (\n" +
" url varchar(50),\n" +
" event_date date,\n" +
" user_IP varchar(50)\n" +
")\n" +
"WITH (\n" +
" LOCATION='/webdata/employee.tbl',\n" +
" DATA_SOURCE = mydatasource,\n" +
" FILE_FORMAT = myfileformat\n" +
" )";
int result = sqlparser.parse();
assertTrue(result == 0);
assertTrue(sqlparser.sqlstatements.get(0).sqlstatementtype == ESqlStatementType.sstcreatetable);
TCreateTableSqlStatement createTable = (TCreateTableSqlStatement) sqlparser.sqlstatements.get(0);
assertTrue(createTable.isExternal());
// for(int i=0;i<createTable.getExternalTableOptionNames().size();i++){
// System.out.println(createTable.getExternalTableOptionNames().get(i));
// }
assertTrue(createTable.getExternalTableOptionNames().get(0).equalsIgnoreCase("location"));
assertTrue(createTable.getExternalTableOptionNames().get(1).equalsIgnoreCase("DATA_SOURCE"));
assertTrue(createTable.getExternalTableOptionNames().get(2).equalsIgnoreCase("FILE_FORMAT"));
assertTrue(createTable.getExternalTableOption("location").equalsIgnoreCase("'/webdata/employee.tbl'"));
assertTrue(createTable.getExternalTableOption("DATA_SOURCE").equalsIgnoreCase("mydatasource"));
assertTrue(createTable.getExternalTableOption("FILE_FORMAT").equalsIgnoreCase("myfileformat"));
}
public void test2() {
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvazuresql);
sqlparser.sqltext = "CREATE EXTERNAL TABLE [dbo].[all_dm_exec_requests]([session_id] smallint NOT NULL,\n" +
" [request_id] int NOT NULL,\n" +
" [start_time] datetime NOT NULL,\n" +
" [status] nvarchar(30) NOT NULL,\n" +
" [command] nvarchar(32) NOT NULL,\n" +
" [sql_handle] varbinary(64),\n" +
" [statement_start_offset] int,\n" +
" [statement_end_offset] int,\n" +
" [cpu_time] int NOT NULL)\n" +
"WITH\n" +
"(\n" +
" DATA_SOURCE = MyExtSrc,\n" +
" SCHEMA_NAME = 'sys',\n" +
" OBJECT_NAME = 'dm_exec_requests',\n" +
" DISTRIBUTION=ROUND_ROBIN\n" +
");";
int result = sqlparser.parse();
assertTrue(result == 0);
assertTrue(sqlparser.sqlstatements.get(0).sqlstatementtype == ESqlStatementType.sstcreatetable);
TCreateTableSqlStatement createTable = (TCreateTableSqlStatement) sqlparser.sqlstatements.get(0);
assertTrue(createTable.isExternal());
// for(int i=0;i<createTable.getExternalTableOptionNames().size();i++){
// System.out.println(createTable.getExternalTableOptionNames().get(i));
// }
assertTrue(createTable.getExternalTableOptionNames().get(0).equalsIgnoreCase("DATA_SOURCE"));
assertTrue(createTable.getExternalTableOptionNames().get(1).equalsIgnoreCase("SCHEMA_NAME"));
assertTrue(createTable.getExternalTableOptionNames().get(2).equalsIgnoreCase("OBJECT_NAME"));
assertTrue(createTable.getExternalTableOptionNames().get(3).equalsIgnoreCase("DISTRIBUTION"));
//
assertTrue(createTable.getExternalTableOption("DATA_SOURCE").equalsIgnoreCase("MyExtSrc"));
assertTrue(createTable.getExternalTableOption("SCHEMA_NAME").equalsIgnoreCase("'sys'"));
assertTrue(createTable.getExternalTableOption("OBJECT_NAME").equalsIgnoreCase("'dm_exec_requests'"));
assertTrue(createTable.getExternalTableOption("DISTRIBUTION").equalsIgnoreCase("ROUND_ROBIN"));
}
}