Parameters | Elasticsearch Reference [1.7]

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Parametersedit

Geo queries used to use miles as the default unit. And we all know what happened at NASA because of that decision. The new default unit is meters.
For all queries that support fuzziness, the min_similarity, fuzziness and edit_distance parameters have been unified as the single parameter fuzziness. See the section called “Fuzziness edit” for details of accepted values.
The ignore_missing parameter has been replaced by the expand_wildcards, ignore_unavailable and allow_no_indices parameters, all of which have sensible defaults. See the multi-index docs for more.
An index name (or pattern) is now required for destructive operations like deleting indices:
```
# v0.90 - delete all indices:
DELETE /

# v1.0 - delete all indices:
DELETE /_all
DELETE /*
```
Setting action.destructive_requires_name to true provides further safety by disabling wildcard expansion on destructive actions.