Function ExecAssertOp

src/backend/executor/nodeAssertOp.c:69–85

* Evaluate Constraints (in node->ps.qual) and project output TupleTableSlot. * */

 * Evaluate Constraints (in node->ps.qual) and project output TupleTableSlot.
 * */
static TupleTableSlot*
ExecAssertOp(PlanState *pstate)
{
	PlanState *outerNode = outerPlanState(pstate);
	TupleTableSlot *slot = ExecProcNode(outerNode);

	if (TupIsNull(slot))
	{
		return NULL;
	}

	AssertOpState *node = castNode(AssertOpState, pstate);

	CheckForAssertViolations(node, slot);

	return ExecProject(node->ps.ps_ProjInfo);
}

/**
 * Init AssertOp, which sets the ProjectInfo and