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package test;
/*
* Date: 2010-11-16
* Time: 14:31:41
*/
import gudusoft.gsqlparser.EFunctionType;
import junit.framework.TestCase;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.nodes.*;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
public class testTFunctionCall extends TestCase {
public void testConvert(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT x=convert(VARCHAR(1000), 'hello' )";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn column = select.getResultColumnList().getResultColumn(0);
TExpression expr = column.getExpr();
TExpression expr1 = expr.getRightOperand();
TFunctionCall function = expr1.getFunctionCall();
//TExpressionList args = function.getArgs();
assertTrue(function.getFunctionType() == EFunctionType.convert_t);
TTypeName typename = function.getTypename();
assertTrue(typename.toString().equalsIgnoreCase("VARCHAR(1000)"));
assertTrue(function.getParameter().toString().equalsIgnoreCase("'hello'"));
//System.out.println(args.size());
assertTrue(function.isBuiltIn(EDbVendor.dbvmssql));
}
public void testExtract(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT x=extract('1' from 'hello' )";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn column = select.getResultColumnList().getResultColumn(0);
TExpression expr = column.getExpr();
TExpression expr1 = expr.getRightOperand();
TFunctionCall function = expr1.getFunctionCall();
assertTrue(function.getFunctionType() == EFunctionType.extract_t);
assertTrue(function.getExtract_time_token().toString().equalsIgnoreCase("'1'"));
assertTrue(function.getExpr1().toString().equalsIgnoreCase("'hello'"));
assertTrue(function.isBuiltIn(EDbVendor.dbvmssql));
}
public void testBuiltIn_mssql(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT count(*), count1(*) from t";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn column = select.getResultColumnList().getResultColumn(0);
TExpression expr = column.getExpr();
TFunctionCall function = expr.getFunctionCall();
assertTrue(function.isBuiltIn(EDbVendor.dbvmssql));
column = select.getResultColumnList().getResultColumn(1);
expr = column.getExpr();
function = expr.getFunctionCall();
assertTrue(!function.isBuiltIn(EDbVendor.dbvmssql));
}
public void testBuiltIn_informix(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvinformix);
sqlparser.sqltext = "SELECT count(*), count1(*) from t";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn column = select.getResultColumnList().getResultColumn(0);
TExpression expr = column.getExpr();
TFunctionCall function = expr.getFunctionCall();
assertTrue(function.isBuiltIn(EDbVendor.dbvinformix));
column = select.getResultColumnList().getResultColumn(1);
expr = column.getExpr();
function = expr.getFunctionCall();
assertTrue(!function.isBuiltIn(EDbVendor.dbvinformix));
}
public void testBuiltIn_greenplum(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvgreenplum);
sqlparser.sqltext = "SELECT count(*), count1(*) from t";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn column = select.getResultColumnList().getResultColumn(0);
TExpression expr = column.getExpr();
TFunctionCall function = expr.getFunctionCall();
assertTrue(function.isBuiltIn(EDbVendor.dbvgreenplum));
column = select.getResultColumnList().getResultColumn(1);
expr = column.getExpr();
function = expr.getFunctionCall();
assertTrue(!function.isBuiltIn(EDbVendor.dbvgreenplum));
}
public void testBuiltIn_redshift(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvredshift);
sqlparser.sqltext = "SELECT count(*), count1(*) from t";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn column = select.getResultColumnList().getResultColumn(0);
TExpression expr = column.getExpr();
TFunctionCall function = expr.getFunctionCall();
assertTrue(function.isBuiltIn(EDbVendor.dbvredshift));
column = select.getResultColumnList().getResultColumn(1);
expr = column.getExpr();
function = expr.getFunctionCall();
assertTrue(!function.isBuiltIn(EDbVendor.dbvredshift));
}
public void testBuiltIn_hive(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvhive);
sqlparser.sqltext = "SELECT count(*), count1(*) from t";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn column = select.getResultColumnList().getResultColumn(0);
TExpression expr = column.getExpr();
TFunctionCall function = expr.getFunctionCall();
assertTrue(function.isBuiltIn(EDbVendor.dbvhive));
column = select.getResultColumnList().getResultColumn(1);
expr = column.getExpr();
function = expr.getFunctionCall();
assertTrue(!function.isBuiltIn(EDbVendor.dbvhive));
}
}