| PREHOOK: query: DESCRIBE FUNCTION mask_last_n |
| PREHOOK: type: DESCFUNCTION |
| POSTHOOK: query: DESCRIBE FUNCTION mask_last_n |
| POSTHOOK: type: DESCFUNCTION |
| masks the last n characters of the value |
| PREHOOK: query: DESC FUNCTION EXTENDED mask_last_n |
| PREHOOK: type: DESCFUNCTION |
| POSTHOOK: query: DESC FUNCTION EXTENDED mask_last_n |
| POSTHOOK: type: DESCFUNCTION |
| masks the last n characters of the value |
| Examples: |
| mask_last_n(ccn, 8) |
| mask_last_n(ccn, 8, 'x', 'x', 'x') |
| Arguments: |
| mask_last_n(value, charCount, upperChar, lowerChar, digitChar, otherChar, numberChar) |
| value - value to mask. Supported types: TINYINT, SMALLINT, INT, BIGINT, STRING, VARCHAR, CHAR |
| charCount - number of characters. Default value: 4 |
| upperChar - character to replace upper-case characters with. Specify -1 to retain original character. Default value: 'X' |
| lowerChar - character to replace lower-case characters with. Specify -1 to retain original character. Default value: 'x' |
| digitChar - character to replace digit characters with. Specify -1 to retain original character. Default value: 'n' |
| otherChar - character to replace all other characters with. Specify -1 to retain original character. Default value: -1 |
| numberChar - character to replace digits in a number with. Valid values: 0-9. Default value: '1' |
| |
| Function class:org.apache.hadoop.hive.ql.udf.generic.GenericUDFMaskLastN |
| Function type:BUILTIN |
| PREHOOK: query: explain select mask_last_n('TestString-123', 4, 'X', 'x', '0', '1') |
| PREHOOK: type: QUERY |
| PREHOOK: Input: _dummy_database@_dummy_table |
| #### A masked pattern was here #### |
| POSTHOOK: query: explain select mask_last_n('TestString-123', 4, 'X', 'x', '0', '1') |
| POSTHOOK: type: QUERY |
| POSTHOOK: Input: _dummy_database@_dummy_table |
| #### A masked pattern was here #### |
| STAGE DEPENDENCIES: |
| Stage-0 is a root stage |
| |
| STAGE PLANS: |
| Stage: Stage-0 |
| Fetch Operator |
| limit: -1 |
| Processor Tree: |
| TableScan |
| alias: _dummy_table |
| Row Limit Per Split: 1 |
| Select Operator |
| expressions: 'TestString1000' (type: string) |
| outputColumnNames: _col0 |
| ListSink |
| |
| PREHOOK: query: select mask_last_n('TestString-123', 4, 'X', 'x', '0', ':'), |
| mask_last_n(cast('TestString-123' as varchar(24)), 4, 'X', 'x', '0', ':'), |
| mask_last_n(cast('TestString-123' as char(24)), 4, 'X', 'x', '0', ':'), |
| mask_last_n(0), |
| mask_last_n(0, 0), |
| mask_last_n(0, 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(123 as tinyint), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(12345 as smallint), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(12345 as int), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(12345 as bigint), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast('2016-04-20' as date), 4, -1, -1, -1, -1, -1, 0, 0, 0) |
| PREHOOK: type: QUERY |
| PREHOOK: Input: _dummy_database@_dummy_table |
| #### A masked pattern was here #### |
| POSTHOOK: query: select mask_last_n('TestString-123', 4, 'X', 'x', '0', ':'), |
| mask_last_n(cast('TestString-123' as varchar(24)), 4, 'X', 'x', '0', ':'), |
| mask_last_n(cast('TestString-123' as char(24)), 4, 'X', 'x', '0', ':'), |
| mask_last_n(0), |
| mask_last_n(0, 0), |
| mask_last_n(0, 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(123 as tinyint), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(12345 as smallint), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(12345 as int), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast(12345 as bigint), 4, -1, -1, -1, -1, '5'), |
| mask_last_n(cast('2016-04-20' as date), 4, -1, -1, -1, -1, -1, 0, 0, 0) |
| POSTHOOK: type: QUERY |
| POSTHOOK: Input: _dummy_database@_dummy_table |
| #### A masked pattern was here #### |
| TestString:000 TestString:000 TestString-123 :::: 1 0 5 43 15555 15555 15555 0001-01-01 |
