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Copy pathtestBuindQuery.java
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70 lines (61 loc) · 2.35 KB
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package test.users;
/*
* Date: 11-11-23
*/
import gudusoft.gsqlparser.EDbVendor;
import gudusoft.gsqlparser.TCustomSqlStatement;
import gudusoft.gsqlparser.TGSqlParser;
import gudusoft.gsqlparser.nodes.TTable;
import junit.framework.TestCase;
import java.util.ArrayList;
class SQLParser extends java.lang.Object{
/**
* This method gets select clause,where clause and from clauses of the query and adds into dw.
*/
public String buildMyQuery(String argQuery ,boolean argIsOracle){
TGSqlParser sqlparser = new TGSqlParser(argIsOracle ? EDbVendor.dbvoracle:EDbVendor.dbvmssql);
String result = "";
TCustomSqlStatement stmt = null;
ArrayList FromClauseTables = new ArrayList();
TTable table = null;
sqlparser.sqltext = argQuery;
int ret = sqlparser.parse();
if (ret == 0){
stmt = (TCustomSqlStatement) sqlparser.sqlstatements.get(0);
for(int k=0;k<stmt.tables.size();k++){
table = stmt.tables.getTable(k);
if(table != null){
FromClauseTables.add(new String[]{table.toString(),""});
}
}
}else{
System.out.println("Error occured in SQLParser.java : SQLParser.GetAllClausesOfQuery(): "+sqlparser.getErrormessage());
}
return result;
}
}
public class testBuindQuery extends TestCase {
public void test0(){
// TGSqlParser sqlparser = new TGSqlParser(EDbVendor.dbvoracle);
// sqlparser.sqltext = "SELECT 'Test' FROM dual b";
// int ret = sqlparser.parse();
// if (ret == 0){
// TCustomSqlStatement stmt = null;
// TTable table = null;
// stmt = (TCustomSqlStatement) sqlparser.sqlstatements.get(0);
// for(int k=0;k<stmt.tables.size();k++){
// table = stmt.tables.getTable(k);
// System.out.println(table.toString());
// System.out.println(table.getAliasClause().toString());
// }
// }else {
// System.out.println("error:"+sqlparser.getErrormessage());
// }
}
public void test1(){
SQLParser sqlParser = new SQLParser();
String sqlStatement = "SELECT 'Test' FROM dual";
sqlParser.buildMyQuery(sqlStatement ,true);
// System.out.println("Done 2");
}
}