Package dev.frostlake.executor

Class SystemFunctionEvaluator

java.lang.Object

dev.frostlake.executor.SystemFunctionEvaluator

public class SystemFunctionEvaluator
extends Object

Evaluates SYSTEM$FUNCNAME(...) built-in system functions invoked from expression context. Extracted from QueryExecutor; depends only on the catalog, storage engine, and transaction manager (no QueryExecutor back-pointer).

Constructor Summary

Constructors

Constructor	Description
SystemFunctionEvaluator(Catalog catalog, StorageEngine storageEngine, TransactionManager transactionManager)

Method Summary

Modifier and Type	Method	Description
static void	enableTaskDependents(String root, List<Task> tasks)	Resume (STARTED) every task in the given list that is a transitive dependent of root — the named root's subtree only, matching predecessor references by bare task name.
Object	evaluateSystemFunction(String funcName, List<Object> args)	Evaluate a SYSTEM$FUNCNAME call from expression context (no ANTLR ctx available).

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

SystemFunctionEvaluator

public SystemFunctionEvaluator(Catalog catalog,
 StorageEngine storageEngine,
 TransactionManager transactionManager)

Method Details

evaluateSystemFunction

public Object evaluateSystemFunction(String funcName,
 List<Object> args)

Evaluate a SYSTEM$FUNCNAME call from expression context (no ANTLR ctx available).

enableTaskDependents

public static void enableTaskDependents(String root,
 List<Task> tasks)

Resume (STARTED) every task in the given list that is a transitive dependent of root — the named root's subtree only, matching predecessor references by bare task name. The root itself is not resumed (Snowflake: it is resumed separately with ALTER TASK … RESUME).