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package teradata;
/*
* Date: 13-10-11
*/
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.ESqlStatementType;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.teradata.TTeradataLockClause;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
import gudusoft.gsqlparser.stmt.teradata.TTeradataLock;
import junit.framework.TestCase;
public class testLock extends TestCase {
public void test1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = " LOCKING TABLE dbc.TDWMExceptionLog FOR ACCESS \n" +
" SELECT procId as vprocid, BufferTS, QueryID, UserName, SessionID, RequestNum, \n" +
" LogicalHostID, AcctString, WDID, 0 as WDPeriodId, openvId, sysconId, \n" +
" ClassificationTime, ExceptionTime, ExceptionValue, ExceptionAction, NewWDID, \n" +
" ExceptionCode, ExceptionSubCode, ErrorText, ExtraInfo, ruleid, warningonly, \n" +
" rejectioncat \n" +
" FROM dbc.TDWMExceptionLog \n" +
" WHERE bufferTS > '2013-05-27 14:33:29.83' ORDER BY bufferTS DESC;";
assertTrue(sqlparser.parse() == 0);
assertTrue(sqlparser.sqlstatements.get(0).sqlstatementtype == ESqlStatementType.sstteradatalock);
TTeradataLock lock = (TTeradataLock)sqlparser.sqlstatements.get(0);
TTeradataLockClause lockClause = lock.getLockClauses().get(0);
assertTrue(lockClause.getDatabase_table_view().toString().equalsIgnoreCase("TABLE"));
assertTrue(lockClause.getObjectName().toString().equalsIgnoreCase("dbc.TDWMExceptionLog"));
assertTrue(lockClause.getLockMode().toString().equalsIgnoreCase("ACCESS"));
assertTrue(lock.getSqlRequest().sqlstatementtype == ESqlStatementType.sstselect);
TSelectSqlStatement select = (TSelectSqlStatement)lock.getSqlRequest();
assertTrue(select.getResultColumnList().size() == 24);
assertTrue(select.tables.getTable(0).toString().equalsIgnoreCase("dbc.TDWMExceptionLog"));
}
public void test2(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = " locking table t1 for access locking table t2 for access select * from t1,t2;";
assertTrue(sqlparser.parse() == 0);
assertTrue(sqlparser.sqlstatements.get(0).sqlstatementtype == ESqlStatementType.sstteradatalock);
TTeradataLock lock = (TTeradataLock)sqlparser.sqlstatements.get(0);
TTeradataLockClause lockClause = lock.getLockClauses().get(0);
assertTrue(lockClause.getDatabase_table_view().toString().equalsIgnoreCase("TABLE"));
assertTrue(lockClause.getObjectName().toString().equalsIgnoreCase("t1"));
assertTrue(lockClause.getLockMode().toString().equalsIgnoreCase("ACCESS"));
assertTrue(lock.getSqlRequest().sqlstatementtype == ESqlStatementType.sstselect);
TSelectSqlStatement select = (TSelectSqlStatement)lock.getSqlRequest();
assertTrue(select.getResultColumnList().size() == 1);
assertTrue(select.tables.getTable(0).toString().equalsIgnoreCase("t1"));
}
public void test3(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = " LOCKING TABLE schema1.table1 FOR READ\n" +
"LOCKING TABLE schema1.table1 FOR READ\n" +
"LOCKING TABLE schema1.table2 FOR READ\n" +
"LOCKING TABLE schema1.table3 FOR READ\n" +
"Select * from schema1.table1, schema1.table2;";
assertTrue(sqlparser.parse() == 0);
assertTrue(sqlparser.sqlstatements.get(0).sqlstatementtype == ESqlStatementType.sstteradatalock);
TTeradataLock lock = (TTeradataLock)sqlparser.sqlstatements.get(0);
TTeradataLockClause lockClause = lock.getLockClauses().get(0);
assertTrue(lockClause.getDatabase_table_view().toString().equalsIgnoreCase("TABLE"));
assertTrue(lockClause.getObjectName().toString().equalsIgnoreCase("schema1.table1"));
assertTrue(lockClause.getLockMode().toString().equalsIgnoreCase("READ"));
assertTrue(lock.getSqlRequest().sqlstatementtype == ESqlStatementType.sstselect);
TSelectSqlStatement select = (TSelectSqlStatement)lock.getSqlRequest();
assertTrue(select.getResultColumnList().size() == 1);
assertTrue(select.tables.getTable(0).toString().equalsIgnoreCase("schema1.table1"));
}
}