/** dispose of the resultset, and if the owner, dispose of the connection. */
public void dispose() {
rSet = null;
// close connection if owner
if (connectionOwner) {
if (connection != null) {
connection.close();
}
connection = null;
}
}
/**
* executes the specified query template. The query template is first formatted and then executed.
* If live, the original result set is made available as an output. If not live, the result set is
* converted into memory and the connection and live result set are closed.
*
* @param rawQuery query template
* @param live returns original result set if true, memory result set if false
* @return true if successful
*/
protected boolean runQuery(final String rawQuery, boolean live) {
try {
if ((connection == null) || !connection.initialized()) {
error(
Messages.getInstance()
.getErrorString("SQLBaseComponent.ERROR_0007_NO_CONNECTION")); // $NON-NLS-1$
return false;
}
String query = applyInputsToFormat(rawQuery);
SQLConnection sqlConnection = null;
if ((connection instanceof SQLConnection)) {
sqlConnection = (SQLConnection) connection;
}
// Some of the following Added by Arijit Chatterjee passing the timeout value to SQLConnection
// class
if (sqlConnection != null) {
if (this.getQueryTimeout() >= 0) {
sqlConnection.setQueryTimeout(this.getQueryTimeout());
}
if (this.getMaxRows() >= 0) {
sqlConnection.setMaxRows(this.getMaxRows());
}
if (this.getReadOnly()) {
sqlConnection.setReadOnly(true);
}
}
AbstractRelationalDbAction relationalDbAction =
(AbstractRelationalDbAction) getActionDefinition();
IPentahoResultSet resultSet = null;
boolean isForwardOnly =
relationalDbAction.getUseForwardOnlyResultSet().getBooleanValue(false);
resultSet = doQuery(sqlConnection, query, isForwardOnly);
if (sqlConnection.isForcedForwardOnly()) {
isForwardOnly = true;
live = false;
warn(
Messages.getInstance()
.getString("SQLBaseComponent.WARN_FALL_BACK_TO_NONSCROLLABLE")); // $NON-NLS-1$
}
if (live) {
// set the result set as the output
rSet = resultSet;
// After preparation and execution, we need to clear out the
// prepared parameters.
preparedParameters.clear();
if (resultSet != null) {
getMetadata(resultSet, true);
IActionOutput actionOutput = relationalDbAction.getOutputResultSet();
if (actionOutput != null) {
actionOutput.setValue(resultSet);
}
return true;
} else {
// close the connection if owner
error(
Messages.getInstance()
.getErrorString(
"SQLBaseComponent.ERROR_0006_EXECUTE_FAILED",
getActionName())); //$NON-NLS-1$
if (connectionOwner) {
connection.close();
}
return false;
}
} else {
// execute the query, read the results and cache them
try {
// After preparation and execution, we need to clear out the
// prepared parameters.
preparedParameters.clear();
IPentahoResultSet cachedResultSet = resultSet.memoryCopy();
rSet = cachedResultSet;
IActionOutput actionOutput = relationalDbAction.getOutputResultSet();
if (actionOutput != null) {
actionOutput.setValue(cachedResultSet);
}
} finally {
// close the connection if owner
if (connectionOwner) {
connection.close();
connection = null;
}
}
}
return true;
} catch (Exception e) {
error(
Messages.getInstance()
.getErrorString("SQLBaseComponent.ERROR_0006_EXECUTE_FAILED", getActionName()),
e); //$NON-NLS-1$
}
return false;
}
