Igor Motov 5c88fa0b3b SQL: Add support for plain text output to /_sql endpoint (elastic/x-pack-elasticsearch#3124)
The /_sql endpoint now returns the results in the text format by default. Structured formats are also supported using the format parameter or accept header similar to _cat endpoints.

Original commit: elastic/x-pack-elasticsearch@4353793b83
2017-11-27 18:10:13 -05:00
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