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Hue is moving to HiveServer2 but HiveServer2 does not have an "explain" RPC call. To support "explain", I added it to the language. An "explain" statement will return a result set: one row per explain line.
47 lines
990 B
Plaintext
47 lines
990 B
Plaintext
---- QUERY
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# Tests explain insert
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explain insert into table functional.alltypessmall
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partition (year, month=4)
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select id, bool_col, tinyint_col, smallint_col, int_col, bigint_col,
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float_col, double_col, date_string_col, string_col, timestamp_col, year
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from functional.alltypes
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where year>2009 and month=4
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---- TYPES
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string
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---- RESULTS
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'PLAN FRAGMENT 0'
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' PARTITION: RANDOM'
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''
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' WRITE TO HDFS table=functional.alltypessmall'
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' overwrite=false'
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' partitions: year,4'
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''
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' 0:SCAN HDFS'
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' table=functional.alltypes #partitions=1 size=19.71KB'
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' tuple ids: 0 '
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====
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---- QUERY
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# Tests explain query
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explain select * from functional.alltypes
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---- TYPES
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string
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---- RESULTS
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'PLAN FRAGMENT 0'
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' PARTITION: UNPARTITIONED'
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''
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' 1:EXCHANGE'
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' tuple ids: 0 '
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''
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'PLAN FRAGMENT 1'
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' PARTITION: RANDOM'
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''
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' STREAM DATA SINK'
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' EXCHANGE ID: 1'
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' UNPARTITIONED'
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''
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' 0:SCAN HDFS'
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' table=functional.alltypes #partitions=24 size=478.45KB'
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' tuple ids: 0 '
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====
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