[#25340] YSQL: Init primaryKeyIndex value in a correct point

Summary:
Fix YB_TODO: initialize `tbinfo->primaryKeyIndex` in a correct point in the code.
Initialize the value where other values in the structure are being initialized.

Test Plan: Jenkins

Reviewers: mihnea, yguan

Reviewed By: yguan

Subscribers: yql

Differential Revision: https://phorge.dev.yugabyte.com/D40734

src/postgres/src/bin/pg_dump/pg_dump.c

@@ -8412,14 +8412,6 @@ getTableAttrs(Archive *fout, TableInfo *tblinfo, int numTables)
 		if (!tbinfo->interesting)
 			continue;
 
-#ifdef YB_TODO
-		/*
-		 * - Postgres now initialize tbinfo later in this function and not in this loop.
-		 * - Move this code further down where appropriate.
-		 */
-		tbinfo->primaryKeyIndex = NULL;
-#endif
-
 		/* OK, we need info for this table */
 		if (tbloids->len > 1)	/* do we have more than the '{'? */
 			appendPQExpBufferChar(tbloids, ',');
@@ -8595,6 +8587,7 @@ getTableAttrs(Archive *fout, TableInfo *tblinfo, int numTables)
 		tbinfo->notnull = (bool *) pg_malloc(numatts * sizeof(bool));
 		tbinfo->inhNotNull = (bool *) pg_malloc(numatts * sizeof(bool));
 		tbinfo->attrdefs = (AttrDefInfo **) pg_malloc(numatts * sizeof(AttrDefInfo *));
+		tbinfo->primaryKeyIndex = NULL;
 		hasdefaults = false;
 
 		for (int j = 0; j < numatts; j++, r++)