Bar Chart

Type: bar-chart

Bar chart driven by DuckDB SQL query.

Supports children: No

A bar chart powered by DuckDB SQL queries against UDF outputs. Query must return 'label' and 'value' columns. Uses {{udf_name}} placeholders to reference UDF DataFrames.

Example

{
  "type": "bar-chart",
  "props": {
    "sql": "SELECT neighborhood AS label, COUNT(*) AS value FROM {{listings}} GROUP BY 1 ORDER BY 2 DESC LIMIT 10",
    "title": "Listings by Neighborhood"
  }
}

Example — horizontal

{
  "type": "bar-chart",
  "props": {
    "sql": "SELECT city AS label, population AS value FROM {{cities}} ORDER BY 2 DESC",
    "horizontal": true,
    "showValues": true
  }
}

Every widget is defined as { "type": "bar-chart", "props": { ... } }. The properties below describe the props object.

Props

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Raw schema

Download the full schema file: /widget-schema/bar-chart.json