How to Resolve 'sql: expected 1 destination arguments in Scan' Error in Golang QueryRow with JSONB Data?

Mary-Kate Olsen
Release: 2024-11-06 09:59:02
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How to Resolve

“sql: expected 1 destination arguments in Scan” Error in Golang QueryRow with JSONB Data

The issue arises when attempting to use db.QueryRow to retrieve data from a JSONB column and storing the results in multiple destination arguments. However, the query returns only one field, leading to the "expected 1 destination arguments in Scan" error.

To resolve this issue, there are several approaches:

  • Return Multiple Fields in the Query:
    Modify the query to return each field as separate columns, allowing for each value to be stored in its own destination argument:
err := db.QueryRow("SELECT data->>'id', data->>'type', data->>'title' FROM message WHERE data->>'id'="
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