PURGE

Purpose

This statement is used to delete tables, indexes, or all contents from the recycle bin.

Syntax

PURGE  { {TABLE object_name | INDEX object_name }
| RECYCLEBIN
}

Parameters

Examples

The following example table and data are defined as follows:

obclient> CREATE TABLE tbl1(col1 INT,col2 INT);
obclient> CREATE TABLE tbl2(col1 INT,col2 INT);
obclient> CREATE INDEX tbl1_idx1 ON tbl1(col1);
obclient> CREATE INDEX tbl2_idx2 ON tbl2(col1);
obclient> DROP TABLE tbl1;
obclient> DROP TABLE tbl2;
obclient> SHOW RECYCLEBIN;

Execution result

+-----------------------------------+----------------------------------+-------+------------------------------+
| OBJECT_NAME                       | ORIGINAL_NAME                    | TYPE  | CREATETIME                   |
+-----------------------------------+----------------------------------+-------+------------------------------+
| RECYCLE_$_100004_1634626847891416 | __idx_1101710651081601_TBL1_IDX1 | INDEX | 19-OCT-21 03.00.47.891270 PM |
| RECYCLE_$_100004_1634626847895656 | TBL1                             | TABLE | 19-OCT-21 03.00.47.895431 PM |
| RECYCLE_$_100004_1634626853379432 | __idx_1101710651081602_TBL2_IDX2 | INDEX | 19-OCT-21 03.00.53.378871 PM |
| RECYCLE_$_100004_1634626853383304 | TBL2                             | TABLE | 19-OCT-21 03.00.53.383100 PM |
+-----------------------------------+----------------------------------+-------+------------------------------+
4 rows in set

1. Delete the index of the tbl1 table in the recycle bin.

   obclient> PURGE INDEX RECYCLE_$_100004_1634626847891416;
   obclient> SHOW RECYCLEBIN;
   

   Execution result

   +-----------------------------------+----------------------------------+-------+------------------------------+
   | OBJECT_NAME                       | ORIGINAL_NAME                    | TYPE  | CREATETIME                   |
   +-----------------------------------+----------------------------------+-------+------------------------------+
   | RECYCLE_$_100004_1634626847895656 | TBL1                             | TABLE | 19-OCT-21 03.00.47.895431 PM |
   | RECYCLE_$_100004_1634626853379432 | __idx_1101710651081602_TBL2_IDX2 | INDEX | 19-OCT-21 03.00.53.378871 PM |
   | RECYCLE_$_100004_1634626853383304 | TBL2                             | TABLE | 19-OCT-21 03.00.53.383100 PM |
   +-----------------------------------+----------------------------------+-------+------------------------------+
   3 rows in set
   

2. Delete the tbl2 table in the recycle bin.

   obclient> PURGE TABLE RECYCLE_$_100004_1634626853383304;
   obclient> SHOW RECYCLEBIN;
   

   Execution result

   +-----------------------------------+---------------+-------+------------------------------+
   | OBJECT_NAME                       | ORIGINAL_NAME | TYPE  | CREATETIME                   |
   +-----------------------------------+---------------+-------+------------------------------+
   | RECYCLE_$_100004_1634626847895656 | TBL1          | TABLE | 19-OCT-21 03.00.47.895431 PM |
   +-----------------------------------+---------------+-------+------------------------------+
   1 row in set
   

3. Clear the recycle bin.

   obclient> PURGE RECYCLEBIN;
   obclient> SHOW RECYCLEBIN;
   

   Execution result

   Empty set