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package mssql;
/*
* Date: 14-10-21
*/
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.EExpressionType;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.TExpression;
import gudusoft.gsqlparser.nodes.TResultColumn;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
import junit.framework.TestCase;
public class testAssignment extends TestCase {
public void test1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT\n" +
" @var1 = varA,\n" +
" @var2= varB,\n" +
" @var3= varC\n" +
"FROM @TestTable \n" +
"WHERE Id = @id;";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
//assertTrue(select.getSelectDistinct().getDistinctType() == TBaseType.dtDistinct);
TExpression expr = select.getResultColumnList().getResultColumn(0).getExpr();
assertTrue(expr.getExpressionType() == EExpressionType.assignment_t);
}
public void test2(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "SELECT\n" +
"CUSTOMER.ADDRESS AS CUST_ADDRESS1,\n" +
"CUSTOMER.ADDRESS AS [CUST_ADDRESS2],\n" +
"CUSTOMER.ADDRESS AS \"CUST_ADDRESS3\",\n" +
"CUSTOMER.ADDRESS AS 'CUST_ADDRESS4',\n" +
"CUST_ADDRESS5 = CUSTOMER.ADDRESS\n" +
"FROM CUSTOMER";
assertTrue(sqlparser.parse() == 0);
TSelectSqlStatement select = (TSelectSqlStatement)sqlparser.sqlstatements.get(0);
TResultColumn resultColumn = select.getResultColumnList().getResultColumn(0);
assertTrue(resultColumn.getExpr().getObjectOperand().toString().equalsIgnoreCase("CUSTOMER.ADDRESS"));
assertTrue(resultColumn.getAliasClause().toString().equalsIgnoreCase("CUST_ADDRESS1"));
resultColumn = select.getResultColumnList().getResultColumn(4);
assertTrue(resultColumn.getExpr().toString().equalsIgnoreCase("CUST_ADDRESS5 = CUSTOMER.ADDRESS"));
assertTrue(resultColumn.getAliasClause().toString().equalsIgnoreCase("CUST_ADDRESS5"));
assertTrue(resultColumn.getColumnFullname().toString().equalsIgnoreCase("CUSTOMER.ADDRESS"));
assertTrue(resultColumn.getColumnNameOnly().equalsIgnoreCase("ADDRESS"));
}
}