ABHISHEK KUMAR GUPTA created HIVE-22846:
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Summary: Hive metastore doesn’t support stats on container types
Key: HIVE-22846
URL: https://issues.apache.org/jira/browse/HIVE-22846
Project: Hive
Issue Type: Bug
Components: SQL
Affects Versions: 2.3.6
Reporter: ABHISHEK KUMAR GUPTA
hive> CREATE TABLE `test_map_text`(`id` string,`score` map<string,int>) ROW
FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' WITH
SERDEPROPERTIES (
'colelction.delim'=',','field.delim'='|','mapkey.delim'=':','serializaion.format'='|')
STORED AS TEXTFILE;
hive> LOAD DATA INPATH '/tmp/map.text' INTO TABLE test_map.text;
This is my test_map.txt at HDFS location
1|Math:90,English:89
2|Math:88,English:90
3|Math:93,English:93
hive> analyze table test_map_text compute statistics for columns;
hive> desc formatted test_map_text score;
OK
# col_name data_type min max
num_nulls distinct_count avg_col_len
max_col_len num_trues num_falses
comment
score map<string,int>
from deserializer
COLUMN_STATS_ACCURATE
{\"BASIC_STATS\":\"true\",\"COLUMN_STATS\":{\"id\":\"true\"}}
Time taken: 0.053 seconds, Fetched: 4 row(s)
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