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38 lines (32 loc) · 1.62 KB
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package teradata;
/*
* Date: 14-8-3
*/
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.ESqlStatementType;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.TMergeInsertClause;
import gudusoft.gsqlparser.nodes.TMergeWhenClause;
import gudusoft.gsqlparser.stmt.TMergeSqlStatement;
import junit.framework.TestCase;
public class testMerge extends TestCase {
public void test1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "merge into agg_daily_cap_usage t1\n" +
"using vt_stg_cap_usage t2\n" +
"on t1.seat_id=t2.seat_id and t1.date_sk = t2.date_sk\n" +
"when not matched then\n" +
"insert\n" +
"( t2.seat_id, t2.date_sk, t2.login_flag, t2.profile_view, t2.inmail_sent, t2.search_usagelog)\n" +
";";
assertTrue(sqlparser.parse() == 0);
assertTrue(sqlparser.sqlstatements.get(0).sqlstatementtype == ESqlStatementType.sstmerge);
TMergeSqlStatement merge = (TMergeSqlStatement)sqlparser.sqlstatements.get(0);
assertTrue(merge.getWhenClauses().size() == 1);
TMergeWhenClause wc = merge.getWhenClauses().getElement(0);
TMergeInsertClause mic = wc.getInsertClause();
assertTrue(mic.getValuelist().size() == 6);
assertTrue(mic.getValuelist().getResultColumn(0).getExpr().toString().equalsIgnoreCase("t2.seat_id"));
assertTrue(mic.getValuelist().getResultColumn(5).getExpr().toString().equalsIgnoreCase("t2.search_usagelog"));
}
}