return nil, errParquetParsingError(err)
			}
		}
		kvs = append(kvs, jstream.KV{Key: col.FlatName(), Value: value})
	}

	// Reuse destination if we can.
	dstRec, ok := dst.(*jsonfmt.Record)
	if !ok {
		dstRec = &jsonfmt.Record{}
	}
	dstRec.SelectFormat = sql.SelectFmtParquet
	dstRec.KVS = kvs
	return dstRec, nil
}

// convertFromAnnotation - converts values based on the Parquet column's type

These get publish to [Grafana](https://grafana.com/orgs/istio/dashboards) during release, and are bundled into our
[Grafana sample](../../../samples/addons/grafana.yaml).

## Jsonnet

Newer dashboards are generated with [Jsonnet](https://jsonnet.org/) with the [Grafonnet](https://grafana.github.io/grafonnet/index.html).

        "git": {
          "remote": "https://github.com/jsonnet-libs/docsonnet.git",
          "subdir": "doc-util"
        }
      },
      "version": "6ac6c69685b8c29c54515448eaca583da2d88150",
      "sum": "BrAL/k23jq+xy9oA7TWIhUx07dsA/QLm3g7ktCwe//U="
    },
    {
      "source": {
        "git": {
          "remote": "https://github.com/jsonnet-libs/xtd.git",
          "subdir": ""
        }
      },

local d = import 'github.com/jsonnet-libs/docsonnet/doc-util/main.libsonnet';

local panelUtil = import 'github.com/grafana/grafonnet/gen/grafonnet-v11.0.0/custom/util/panel.libsonnet';

// This is forked from https://grafana.github.io/grafonnet/API/util.html#obj-grid
// to allow automatic width to fill the grid
{
  local root = self,

  local gridWidth = 24,

  '#makeGrid':: d.func.new(
    |||

}

# Set up grafana
{
  # Generate all dynamic dashboards
  (
    pushd "${DASHBOARDS}" > /dev/null
    jb install
    for file in *.libsonnet; do
      dashboard="${file%.*}"
      jsonnet -J vendor -J lib "${file}" > "${dashboard}-dashboard.gen.json"
    done
  )
  helm3 template grafana grafana \
    --namespace istio-system \
    --version "${GRAFANA_VERSION}" \