ABHISHEK KUMAR GUPTA created SPARK-29505:
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Summary: desc extended <table name> <column name> is case sensitive
Key: SPARK-29505
URL: https://issues.apache.org/jira/browse/SPARK-29505
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0
Reporter: ABHISHEK KUMAR GUPTA
create table customer(id int, name String, *CName String*, address String, city
String, pin int, country String);
insert into customer values(1,'Alfred','Maria','Obere Str
57','Berlin',12209,'Germany');
insert into customer values(2,'Ana','trujilo','Adva de la','Maxico
D.F.',05021,'Maxico');
insert into customer values(3,'Antonio','Antonio Moreno','Mataderos
2312','Maxico D.F.',05023,'Maxico');
analyze table customer compute statistics for columns cname; – *Success( Though
cname is not as CName)*
desc extended customer cname; – Failed
jdbc:hive2://10.18.19.208:23040/default> desc extended customer *cname;*
+-----------------+-------------+
| info_name | info_value |
+-----------------+-------------+
| col_name | cname |
| data_type | string |
| comment | NULL |
| min | NULL |
| max | NULL |
| num_nulls | NULL |
| distinct_count | NULL |
| avg_col_len | NULL |
| max_col_len | NULL |
| histogram | NULL |
+-----------------+----------
But
desc extended customer CName; – SUCCESS
0: jdbc:hive2://10.18.19.208:23040/default> desc extended customer *CName;*
+-----------------+-------------+
| info_name | info_value |
+-----------------+-------------+
| col_name | CName |
| data_type | string |
| comment | NULL |
| min | NULL |
| max | NULL |
| num_nulls | 0 |
| distinct_count | 3 |
| avg_col_len | 9 |
| max_col_len | 14 |
| histogram | NULL |
+-----------------+-------------+
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