Xata•4mo ago

there any option to change field type

there any option to change field type after is created ?

1 Reply

kostas•4mo ago

You would need to create a new column of the desired type and copy the data to it, then delete the original column. The data copy can be done simply with a script in the Playground.

const results = await xata.db.table.select(["existing_column"]).getAll();

for (const result of results) {
  const updated_record = await xata.db.table.update(result.id, {
    new_column: result.existing_column,
  });
}

const results = await xata.db.table.select(["existing_column"]).getAll();

for (const result of results) {
  const updated_record = await xata.db.table.update(result.id, {
    new_column: result.existing_column,
  });
}

As long as the table content isn't too big to fit in browser memory, because getAll retrieves all records at once. If the table is very large, you'd need to do a getPaginated call loop instead: https://xata.io/docs/sdk/get#cursor-based-pagination

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there any option to change field type