Function TidExprListCreate

src/backend/executor/nodeTidrangescan.c:101–121

* Extract the qual subexpressions that yield TIDs to search for, * and compile them into ExprStates if they're ordinary expressions. */

 * and compile them into ExprStates if they're ordinary expressions.
 */
static void
TidExprListCreate(TidRangeScanState *tidrangestate)
{
	TidRangeScan *node = (TidRangeScan *) tidrangestate->ss.ps.plan;
	List	   *tidexprs = NIL;
	ListCell   *l;

	foreach(l, node->tidrangequals)
	{
		OpExpr	   *opexpr = lfirst(l);
		TidOpExpr  *tidopexpr;

		if (!IsA(opexpr, OpExpr))
			elog(ERROR, "could not identify CTID expression");

		tidopexpr = MakeTidOpExpr(opexpr, tidrangestate);
		tidexprs = lappend(tidexprs, tidopexpr);
	}

	tidrangestate->trss_tidexprs = tidexprs;
}

/* ----------------------------------------------------------------
 *		TidRangeEval