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Copy pathtestResultColumn.java
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61 lines (48 loc) · 2.59 KB
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package teradata;
/*
* Date: 14-7-8
*/
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.ESqlClause;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.TResultColumnList;
import gudusoft.gsqlparser.nodes.TTable;
import gudusoft.gsqlparser.stmt.TCreateTableSqlStatement;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
import junit.framework.TestCase;
public class testResultColumn extends TestCase {
public void test1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "SELECT NULL(VARCHAR(512) )," +
"CASE WHEN DATABASENAME <> 'DBC' THEN 'TYPE' ELSE '' END (NAMED TABLE_TYPE), " +
"COMMENTSTRING(VARCHAR(254),NAMED REMARKS) FROM DBC.TABLES";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumnList columns = select.getResultColumnList();
assertTrue(columns.getResultColumn(0).toString().equalsIgnoreCase("NULL(VARCHAR(512) )"));
assertTrue(columns.getResultColumn(1).toString().equalsIgnoreCase("CASE WHEN DATABASENAME <> 'DBC' THEN 'TYPE' ELSE '' END (NAMED TABLE_TYPE)"));
assertTrue(columns.getResultColumn(2).toString().equalsIgnoreCase("COMMENTSTRING(VARCHAR(254),NAMED REMARKS)"));
}
public void test2(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "CREATE VOLATILE SET TABLE CORR_ADD_SOURCE AS\n" +
"(\n" +
"SELECT\n" +
"\tACCT_NUM\n" +
"\t,CORR_NUMBER\n" +
"FROM DB50_AKG.BASSRNC_CORR_SOURCE\n" +
"GROUP BY 1,2\n" +
") WITH DATA\n" +
"UNIQUE PRIMARY INDEX (ACCT_NUM)\n" +
"ON COMMIT PRESERVE ROWS";
assertTrue(sqlparser.parse() == 0);
TCreateTableSqlStatement createTableSqlStatement = (TCreateTableSqlStatement)sqlparser.sqlstatements.get(0);
TSelectSqlStatement select = createTableSqlStatement.getSubQuery();
TResultColumnList columns = select.getResultColumnList();
assertTrue(columns.getResultColumn(0).toString().equalsIgnoreCase("ACCT_NUM"));
TTable table = createTableSqlStatement.tables.getTable(0);
// System.out.print(table.toString());
// System.out.print(table.getLinkedColumns().getObjectName(0).toScript());
assertTrue(table.getLinkedColumns().getObjectName(0).getLocation() == ESqlClause.selectList);
}
}