Fix in examples added in CALCITE-1796
Fix in examples added in CALCITE-1796

jcamachor/calcite,apache/calcite,googleinterns/calcite,dindin5258/calcite,minji-kim/calcite,vlsi/calcite,jcamachor/calcite,xhoong/incubator-calcite,datametica/calcite,arina-ielchiieva/calcite,julianhyde/calcite,googleinterns/calcite,xhoong/incubator-calcite,dindin5258/calcite,datametica/calcite,vlsi/calcite,dindin5258/calcite,jcamachor/calcite,datametica/calcite,julianhyde/calcite,looker-open-source/calcite,vlsi/calcite,xhoong/incubator-calcite,b-slim/calcite,datametica/calcite,arina-ielchiieva/calcite,b-slim/calcite,julianhyde/calcite,julianhyde/calcite,minji-kim/calcite,jcamachor/calcite,vlsi/calcite,looker-open-source/calcite,vlsi/calcite,vlsi/incubator-calcite,julianhyde/calcite,apache/calcite,jcamachor/calcite,apache/calcite,b-slim/calcite,arina-ielchiieva/calcite,googleinterns/calcite,xhoong/incubator-calcite,arina-ielchiieva/calcite,apache/calcite,datametica/calcite,jcamachor/calcite,b-slim/calcite,julianhyde/calcite,googleinterns/calcite,googleinterns/calcite,minji-kim/calcite,minji-kim/calcite,arina-ielchiieva/calcite,apache/calcite,dindin5258/calcite,looker-open-source/calcite,googleinterns/calcite,dindin5258/calcite,vlsi/incubator-calcite,b-slim/calcite,dindin5258/calcite,apache/calcite,looker-open-source/calcite,looker-open-source/calcite,vlsi/calcite,looker-open-source/calcite,datametica/calcite,minji-kim/calcite