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Copy pathtestCreateFunction.java
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package common;
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.stmt.TCreateFunctionStmt;
import gudusoft.gsqlparser.stmt.TSelectSqlStatement;
import gudusoft.gsqlparser.stmt.mssql.TMssqlReturn;
import junit.framework.TestCase;
import static gudusoft.gsqlparser.EFunctionReturnsType.frtInlineTableValue;
public class testCreateFunction extends TestCase {
public void test1(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvsparksql);
sqlparser.sqltext = "CREATE FUNCTION simple_udf AS 'SimpleUdf'\n" +
" USING JAR '/tmp/SimpleUdf.jar';";
assertTrue(sqlparser.parse() == 0);
TCreateFunctionStmt stmt = (TCreateFunctionStmt)sqlparser.sqlstatements.get(0);
assertTrue(stmt.getFunctionName().toString().equalsIgnoreCase("simple_udf"));
assertTrue(stmt.getClassName().equalsIgnoreCase("'SimpleUdf'"));
assertTrue(stmt.getResourceType().equalsIgnoreCase("JAR"));
assertTrue(stmt.getResourceURI().equalsIgnoreCase("'/tmp/SimpleUdf.jar'"));
}
public void testReturnTable(){
TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvmssql);
sqlparser.sqltext = "CREATE FUNCTION udfProductInYear (\n" +
"@model_year INT\n" +
")\n" +
"RETURNS TABLE\n" +
"AS\n" +
"RETURN\n" +
"SELECT \n" +
"product_name,\n" +
"model_year,\n" +
"list_price\n" +
"FROM\n" +
"production.products\n" +
"WHERE\n" +
"model_year = @model_year;";
assertTrue(sqlparser.parse() == 0);
TCreateFunctionStmt stmt = (TCreateFunctionStmt)sqlparser.sqlstatements.get(0);
assertTrue(stmt.getFunctionName().toString().equalsIgnoreCase("udfProductInYear"));
assertTrue(stmt.getReturnsType() == frtInlineTableValue);
if (stmt.getReturnsType() == frtInlineTableValue){
TMssqlReturn mssqlReturn = stmt.getReturnStmt();
TSelectSqlStatement subquery = mssqlReturn.getSubquery();
if (subquery != null){
assertTrue(subquery.getTables().getTable(0).toString().equalsIgnoreCase("production.products"));
}
}
}
}