# ColumnDefinition
## Enum Variants
| ColumnTypeSpec | The declared type of one column, as written in a load request's `columns` map. Accepts either a bare type name or an object carrying the extra parameters some types need: - simple: `\"VARCHAR\"`, `\"BIGINT\"`, `\"DECIMAL(10,2)\"` - detailed: `{ \"type\": \"DECIMAL\", \"precision\": 10, \"scale\": 2 }` |
| String | The declared type of one column, as written in a load request's `columns` map. Accepts either a bare type name or an object carrying the extra parameters some types need: - simple: `\"VARCHAR\"`, `\"BIGINT\"`, `\"DECIMAL(10,2)\"` - detailed: `{ \"type\": \"DECIMAL\", \"precision\": 10, \"scale\": 2 }` |
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