Jay Huh 47be3ffffb Minor refactor on LDB command for wide column support and release note (#11777) ... Summary: As mentioned in https://github.com/facebook/rocksdb/issues/11754 , refactor to clean up some nearly identical logic. This PR changes the existing debugging string format of Scan command as the following. ``` ❯ ./ldb --db=/tmp/rocksdbtest-226125/db_wide_basic_test_2675429_2308393776696827948/ scan --hex ``` Before ``` 0x6669727374 : :0x68656C6C6F 0x617474725F6E616D6531:0x666F6F 0x617474725F6E616D6532:0x626172 0x7365636F6E64 : 0x617474725F6F6E65:0x74776F 0x617474725F7468726565:0x666F7572 0x7468697264 : 0x62617A ``` After ``` 0x6669727374 ==> :0x68656C6C6F 0x617474725F6E616D6531:0x666F6F 0x617474725F6E616D6532:0x626172 0x7365636F6E64 ==> 0x617474725F6F6E65:0x74776F 0x617474725F7468726565:0x666F7572 0x7468697264 ==> 0x62617A ``` Pull Request resolved: https://github.com/facebook/rocksdb/pull/11777 Test Plan: ``` ❯ ./ldb --db=/tmp/rocksdbtest-226125/db_wide_basic_test_2675429_2308393776696827948/ dump first ==> :hello attr_name1:foo attr_name2:bar second ==> attr_one:two attr_three:four third ==> baz Keys in range: 3 ❯ ./ldb --db=/tmp/rocksdbtest-226125/db_wide_basic_test_2675429_2308393776696827948/ scan first ==> :hello attr_name1:foo attr_name2:bar second ==> attr_one:two attr_three:four third ==> baz ❯ ./ldb --db=/tmp/rocksdbtest-226125/db_wide_basic_test_2675429_2308393776696827948/ dump --hex 0x6669727374 ==> :0x68656C6C6F 0x617474725F6E616D6531:0x666F6F 0x617474725F6E616D6532:0x626172 0x7365636F6E64 ==> 0x617474725F6F6E65:0x74776F 0x617474725F7468726565:0x666F7572 0x7468697264 ==> 0x62617A Keys in range: 3 ❯ ./ldb --db=/tmp/rocksdbtest-226125/db_wide_basic_test_2675429_2308393776696827948/ scan --hex 0x6669727374 ==> :0x68656C6C6F 0x617474725F6E616D6531:0x666F6F 0x617474725F6E616D6532:0x626172 0x7365636F6E64 ==> 0x617474725F6F6E65:0x74776F 0x617474725F7468726565:0x666F7572 0x7468697264 ==> 0x62617A ``` Reviewed By: jowlyzhang Differential Revision: D48876755 Pulled By: jaykorean fbshipit-source-id: b1c608a810fe038999ac528b690d398abf5f21d7		2023-08-31 16:17:03 -07:00
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wide_column_support_in_ldb.md	Minor refactor on LDB command for wide column support and release note (#11777)	2023-08-31 16:17:03 -07:00