Function TriggerCall

server/plpgsql/interpreter_logic.go:69–83

TriggerCall runs the contained trigger operations on the given runner.

(ctx *sql.Context, iFunc InterpretedFunction, runner sql.StatementRunner, sch sql.Schema, oldRow sql.Row, newRow sql.Row, trigVars map[string]any)

// TriggerCall runs the contained trigger operations on the given runner.
func TriggerCall(ctx *sql.Context, iFunc InterpretedFunction, runner sql.StatementRunner, sch sql.Schema, oldRow sql.Row, newRow sql.Row, trigVars map[string]any) (any, error) {
	// Set up the initial state of the function
	stack := NewInterpreterStack(runner)
	// Add the special variables
	stack.NewRecord("OLD", sch, oldRow)
	stack.NewRecord("NEW", sch, newRow)
	for varName, val := range trigVars {
		varType, ok := triggerSpecialVariables[varName]
		if !ok {
			return nil, fmt.Errorf("unknown variable %s for trigger", varName)
		}
		stack.NewVariableWithValue(varName, varType, val)
	}
	return call(ctx, iFunc, stack)
}

// call runs the contained operations on the given runner.
func call(ctx *sql.Context, iFunc InterpretedFunction, stack InterpreterStack) (any, error) {