Package com.inductiveautomation.ignition.common.expressions.legacy

Interface DBExpressionFunctionProvider

All Known Implementing Classes:

DefaultDBExpressionFunctionProvider

public interface DBExpressionFunctionProvider

Interface for providing database execution capabilities to legacy database functions.

The designer must check the DB function signatures, but the gateway is where the functions are really executed. So, this interface provides the contract for the db functions.

Method Summary

Modifier and Type	Method	Description
Dataset	executeQuery(String query, String dsName)
Object	executeScalarQuery(String query, String dsName)
int	executeUpdateQuery(String query, String dsName)
int	getCachedDataCount(String dsName, boolean quarantined)
boolean	isConnectionAvailable(String dsName)

Method Details

isConnectionAvailable

boolean isConnectionAvailable(String dsName)

getCachedDataCount

int getCachedDataCount(String dsName,
 boolean quarantined)

executeQuery

Dataset executeQuery(String query,
 String dsName)
              throws SQLException

Throws:

SQLException

executeScalarQuery

Object executeScalarQuery(String query,
 String dsName)
                   throws SQLException

Throws:

SQLException

executeUpdateQuery

int executeUpdateQuery(String query,
 String dsName)
                throws SQLException

Throws:

SQLException