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Copy pathtestDateFunction.java
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33 lines (27 loc) · 1.44 KB
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package teradata;
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.EExpressionType;
import gudusoft.gsqlparser.EFunctionType;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.TExpression;
import gudusoft.gsqlparser.nodes.TFunctionCall;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
import junit.framework.TestCase;
public class testDateFunction extends TestCase {
public void test1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvteradata);
sqlparser.sqltext = "SELECT '2020-12-12'(NAMED dt_run), EMPLOYEE_ID\n" +
"FROM foodmart.TRIMMED_EMPLOYEE\n" +
"GROUP BY DATE, EMPLOYEE_ID;";
// System.out.println(sqlparser.sqltext);
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TExpression expression = select.getGroupByClause().getItems().getGroupByItem(0).getExpr();
//System.out.println(select.getGroupByClause().getItems().size());
assertTrue(expression.toString().equalsIgnoreCase("DATE"));
assertTrue(expression.getExpressionType() == EExpressionType.function_t);
TFunctionCall functionCall = expression.getFunctionCall();
assertTrue(functionCall.getFunctionName().toString().equalsIgnoreCase("DATE"));
assertTrue(functionCall.getFunctionType() == EFunctionType.date_t);
}
}