Delete partition Hive error

Question

Hi guys, i am trying some hive partitions but i am getting the following errors. kindly help figure out the problem.

0: jdbc:hive2://svdt5hadoopms02.bigdatadev.sa> ALTER TABLE customer_transaction_extract DROP IF EXISTS PARTITION (date='date=2019-11-13') PURGE;
Error: Error while compiling statement: FAILED: ParseException line 1:67 cannot recognize input near 'date' '=' ''date=2019-11-13'' in drop partition statement (state=42000,code=40000)

0: jdbc:hive2://svdt5hadoopms02.bigdatadev.sa> ALTER TABLE customer_transaction_extract DROP IF EXISTS PARTITION (date='date="2019-11-13"') PURGE;
Error: Error while compiling statement: FAILED: ParseException line 1:67 cannot recognize input near 'date' '=' ''date="2019-11-13"'' in drop partition statement (state=42000,code=40000)

0: jdbc:hive2://svdt5hadoopms02.bigdatadev.sa> ALTER TABLE customer_transaction_extract DROP IF EXISTS PARTITION (date=`2019-11-13`) PURGE;
Error: Error while compiling statement: FAILED: ParseException line 1:67 cannot recognize input near 'date' '=' '2019-11-13' in drop partition statement (state=42000,code=40000)

0: jdbc:hive2://svdt5hadoopms02.bigdatadev.sa> ALTER TABLE customer_transaction_extract DROP IF EXISTS PARTITION (date >='1648-10-03', date <='2022-02-15') ;
Error: Error while compiling statement: FAILED: ParseException line 1:67 cannot recognize input near 'date' '>=' ''1648-10-03'' in drop partition statement (state=42000,code=40000)

0: jdbc:hive2://svdt5hadoopms02.bigdatadev.sa> ALTER TABLE customer_transaction_extract DROP IF EXISTS PARTITION (date >='1648-10-03');
Error: Error while compiling statement: FAILED: ParseException line 1:67 cannot recognize input near 'date' '>=' ''1648-10-03'' in drop partition statement (state=42000,code=40000)

0: jdbc:hive2://svdt5hadoopms02.bigdatadev.sa> ALTER TABLE customer_transaction_extract DROP PARTITION (date >='1644948900', date <='1644949001');
Error: Error while compiling statement: FAILED: ParseException line 1:57 cannot recognize input near 'date' '>=' ''1644948900'' in drop partition statement (state=42000,code=40000)

0: jdbc:hive2://svdt5hadoopms02.bigdatadev.sa> ALTER TABLE customer_transaction_extract DROP PARTITION (date >='1644948900', date <='1644949001');
Error: Error while compiling statement: FAILED: ParseException line 1:57 cannot recognize input near 'date' '>=' ''164494

mszurap · Accepted Answer

Hi @Jmeks ,Please check again how the table has been created or how those partitions were created ("describe formatted <table> partition <partspec>"), as the same is still working for me even on HDP 3.1.0:

create table mdatetest (col1 string) partitioned by (`date` date) location '/tmp/md';

alter table mdatetest add partition (`date`="2022-02-22");



show partitions mdatetest;

+------------------+
| partition |
+------------------+
| date=2022-02-22 |
+------------------+



alter table mdatetest drop partition (`date`="2022-02-22");

mszurap · Answer

Hi @Jmeks ,I assume the partitioning column for this table is literally named as "date". Please note that "date" is a reserved word in Hive (see the docs for reference), so it is not recommended to use it in table names and column identifiers. If you really need to use it as an identifier, then encapsulate it within backticks. For example:ALTER TABLE customer_transaction_extract DROP IF EXISTS PARTITION (`date`="2019-11-13");Hope this helps. Best regards, Miklos

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