本文整理汇总了Java中org.pentaho.di.core.database.Database.openQuery方法的典型用法代码示例。如果您正苦于以下问题:Java Database.openQuery方法的具体用法?Java Database.openQuery怎么用?Java Database.openQuery使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.pentaho.di.core.database.Database
的用法示例。
在下文中一共展示了Database.openQuery方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: openQuery
import org.pentaho.di.core.database.Database; //导入方法依赖的package包/类
/**
* Copy information from the meta-data input to the dialog fields.
*/
private void openQuery()
throws KettleException
{
db = new Database(dbinfo);
db.connect();
// TODO add schema-name as well
rs = db.openQuery("SELECT * FROM "+dbinfo.quoteField(tablename), null, null, ResultSet.TYPE_SCROLL_SENSITIVE);
rowMeta = db.getReturnRowMeta();
position=1;
}
示例2: checkResults
import org.pentaho.di.core.database.Database; //导入方法依赖的package包/类
/**
* Check the results in the target dimension table.
*
* @param db database to use.
*/
public void checkResults(Database db) throws Exception
{
String query = "SELECT ID, DLR_CD, DLR_NM, DLR_DESC FROM " +
target_table + " ORDER BY ID";
String correctResults[] = {
"1|BE010001|null|null",
"2|BE010002|null|null",
"3|DE010003|null|null",
"4|DE010004|null|null",
};
ResultSet rs = db.openQuery(query);
int idx = 0;
while (rs.next() )
{
int id = rs.getInt("ID");
String dlr_cd = rs.getString("DLR_CD");
String dlr_nm = rs.getString("DLR_NM");
String dlr_desc = rs.getString("DLR_DESC");
String result = id + "|" + dlr_cd + "|" + dlr_nm + "|" + dlr_desc;
if ( idx > correctResults.length)
{
fail("more rows returned than expected");
}
if ( ! result.equals(correctResults[idx])) {
fail("row " + (idx + 1) + " is different than expected");
}
idx++;
}
if ( idx < correctResults.length)
{
fail("less rows returned than expected");
}
}
示例3: checkResultsNormal
import org.pentaho.di.core.database.Database; //导入方法依赖的package包/类
/**
* Check the results in the target dimension table.
*
* @param db database to use.
*/
public void checkResultsNormal(Database db) throws Exception
{
String query = "SELECT ID, CODE FROM " +
target_table + " ORDER BY ID";
String correctResults[] = {
"100|1000",
"101|1001",
"102|1002",
"103|1003",
"104|1004",
"105|1005",
"106|1006",
};
ResultSet rs = db.openQuery(query);
int idx = 0;
while (rs.next() )
{
int id = rs.getInt("ID");
int code = rs.getInt("CODE");
String result = id + "|" + code;
if ( idx > correctResults.length)
{
fail("more rows returned than expected");
}
if ( ! result.equals(correctResults[idx])) {
fail("row " + (idx + 1) + " is different than expected");
}
idx++;
}
if ( idx < correctResults.length)
{
fail("less rows returned than expected");
}
}
示例4: fireToDB
import org.pentaho.di.core.database.Database; //导入方法依赖的package包/类
public static Object fireToDB(Context actualContext, Scriptable actualObject, Object[] ArgList, Function FunctionContext){
Object oRC = new Object();
if(ArgList.length==2){
try{
Object scmO = actualObject.get("_step_", actualObject);
ScriptValuesMod scm = (ScriptValuesMod)Context.jsToJava(scmO, ScriptValuesMod.class);
String strDBName = Context.toString(ArgList[0]);
String strSQL = Context.toString(ArgList[1]);
DatabaseMeta ci = DatabaseMeta.findDatabase(scm.getTransMeta().getDatabases(), strDBName);
ci.shareVariablesWith(scm);
Database db=new Database(ci);
db.setQueryLimit(0);
try{
db.connect();
ResultSet rs = db.openQuery(strSQL);
ResultSetMetaData resultSetMetaData = rs.getMetaData();
int columnCount = resultSetMetaData.getColumnCount();
if(rs!=null){
List<Object[]> list = new ArrayList<Object[]>();
while(rs.next()){
Object[] objRow = new Object[columnCount];
for(int i=0;i<columnCount;i++){
objRow[i] = rs.getObject(i+1);
}
list.add(objRow);
}
Object[][] resultArr = new Object[list.size()][];
list.toArray(resultArr);
db.disconnect();
return resultArr;
}
}catch(Exception er){
throw Context.reportRuntimeError(er.toString());
}
}catch(Exception e){
}
}else{
throw Context.reportRuntimeError("The function call fireToDB requires 2 arguments.");
}
return oRC;
}
示例5: fireToDB
import org.pentaho.di.core.database.Database; //导入方法依赖的package包/类
@SuppressWarnings("unused")
public static Object fireToDB(ScriptEngine actualContext, Bindings actualObject, Object[] ArgList, Object FunctionContext){
Object oRC = new Object();
if(ArgList.length==2){
try{
Object scmO = actualObject.get("_step_");
Script scm = (Script) scmO;
String strDBName = (String) ArgList[0];
String strSQL = (String) ArgList[1];
DatabaseMeta ci = DatabaseMeta.findDatabase(scm.getTransMeta().getDatabases(), strDBName);
if(ci==null) throw new RuntimeException("Database connection not found: "+strDBName);
ci.shareVariablesWith(scm);
Database db=new Database(scm, ci);
db.setQueryLimit(0);
try{
if (scm.getTransMeta().isUsingUniqueConnections())
{
synchronized (scm.getTrans()) { db.connect(scm.getTrans().getThreadName(), scm.getPartitionID()); }
}
else
{
db.connect(scm.getPartitionID());
}
ResultSet rs = db.openQuery(strSQL);
ResultSetMetaData resultSetMetaData = rs.getMetaData();
int columnCount = resultSetMetaData.getColumnCount();
if(rs!=null){
List<Object[]> list = new ArrayList<Object[]>();
while(rs.next()){
Object[] objRow = new Object[columnCount];
for(int i=0;i<columnCount;i++){
objRow[i] = rs.getObject(i+1);
}
list.add(objRow);
}
Object[][] resultArr = new Object[list.size()][];
list.toArray(resultArr);
db.disconnect();
return resultArr;
}
}catch(Exception er){
throw new RuntimeException(er.toString());
}
}catch(Exception e){
throw new RuntimeException(e.toString());
}
}else{
throw new RuntimeException("The function call fireToDB requires 2 arguments.");
}
return oRC;
}
示例6: fireToDB
import org.pentaho.di.core.database.Database; //导入方法依赖的package包/类
@SuppressWarnings("unused")
public static Object fireToDB(Context actualContext, Scriptable actualObject, Object[] ArgList, Function FunctionContext){
Object oRC = new Object();
if(ArgList.length==2){
try{
Object scmO = actualObject.get("_step_", actualObject);
ScriptValuesMod scm = (ScriptValuesMod)Context.jsToJava(scmO, ScriptValuesMod.class);
String strDBName = Context.toString(ArgList[0]);
String strSQL = Context.toString(ArgList[1]);
DatabaseMeta ci = DatabaseMeta.findDatabase(scm.getTransMeta().getDatabases(), strDBName);
if(ci==null) throw Context.reportRuntimeError("Database connection not found: "+strDBName);
ci.shareVariablesWith(scm);
Database db=new Database(scm, ci);
db.setQueryLimit(0);
try{
if (scm.getTransMeta().isUsingUniqueConnections())
{
synchronized (scm.getTrans()) { db.connect(scm.getTrans().getThreadName(), scm.getPartitionID()); }
}
else
{
db.connect(scm.getPartitionID());
}
ResultSet rs = db.openQuery(strSQL);
ResultSetMetaData resultSetMetaData = rs.getMetaData();
int columnCount = resultSetMetaData.getColumnCount();
if(rs!=null){
List<Object[]> list = new ArrayList<Object[]>();
while(rs.next()){
Object[] objRow = new Object[columnCount];
for(int i=0;i<columnCount;i++){
objRow[i] = rs.getObject(i+1);
}
list.add(objRow);
}
Object[][] resultArr = new Object[list.size()][];
list.toArray(resultArr);
db.disconnect();
return resultArr;
}
}catch(Exception er){
throw Context.reportRuntimeError(er.toString());
}
}catch(Exception e){
throw Context.reportRuntimeError(e.toString());
}
}else{
throw Context.reportRuntimeError("The function call fireToDB requires 2 arguments.");
}
return oRC;
}