Function ExecInitAssertOp

src/backend/executor/nodeAssertOp.c:91–130

* Init AssertOp, which sets the ProjectInfo and * the Constraints to evaluate. * */

 * the Constraints to evaluate.
 * */
AssertOpState*
ExecInitAssertOp(AssertOp *node, EState *estate, int eflags)
{
	AssertOpState *assertOpState;

	/* Check for unsupported flags */
	Assert(!(eflags & (EXEC_FLAG_BACKWARD | EXEC_FLAG_MARK)));
	Assert(outerPlan(node) != NULL);

	assertOpState = makeNode(AssertOpState);
	assertOpState->ps.plan = (Plan *)node;
	assertOpState->ps.state = estate;
	assertOpState->ps.ExecProcNode = ExecAssertOp;

	/* Create expression evaluation context */
	ExecAssignExprContext(estate, &assertOpState->ps);

	/*
	 * Initialize outer plan
	 */
	Plan *outerPlan = outerPlan(node);
	outerPlanState(assertOpState) = ExecInitNode(outerPlan, estate, eflags);

	/*
	 * Initialize result type and projection.
	 */
	ExecInitResultTupleSlotTL(&assertOpState->ps, &TTSOpsMinimalTuple);

	ExecAssignProjectionInfo(&assertOpState->ps, NULL);

	assertOpState->ps.qual =
		ExecInitQual(node->plan.qual, (PlanState *) assertOpState);

	if (estate->es_instrument & INSTRUMENT_CDB)
	{
		assertOpState->ps.cdbexplainbuf = makeStringInfo();
	}

	return assertOpState;
}

/* Rescan AssertOp */
void