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Task #3071144 Enhance ldb (db dump tool for leveldb) to report row counters for each row type

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Summary: Added an option --count_delim=<char> which takes the given character as delimiter ('.' by default) and reports count of each row type found in the db

Test Plan:
1. Created test in file (for DBDumperCommand) rocksdb/tools/ldb_test.py which puts various key value pair in db and checks the output using dump --count_delim ,--count_delim="." and --count_delim=",".
2. Created test in file (for InternalDumperCommand) rocksdb/tools/ldb_test.py which puts various key value pair in db and checks the output using dump --count_delim ,--count_delim="." and --count_delim=",".
3. Manually created a database with several keys of several type and verified by running the command
   ./ldb db=<path> dump --count_delim="<char>"
   ./ldb db=<path> idump --count_delim="<char>"

Reviewers: vamsi, dhruba, emayanke, kailiu

Reviewed By: vamsi

CC: leveldb

Differential Revision: https://reviews.facebook.net/D13815
This commit is contained in:
Piyush Garg
2013-11-01 13:59:14 -07:00
parent beeb74be6f
commit 1e4375d2ef
3 changed files with 122 additions and 9 deletions
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18
tools/ldb_test.py
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@@ -145,6 +145,24 @@ class LDBTestCase(unittest.TestCase):
self.assertRunFAIL("batchput k1")
self.assertRunFAIL("batchput k1 v1 k2")
def testCountDelimDump(self):
print "Running testCountDelimDump..."
self.assertRunOK("batchput x.1 x1 --create_if_missing", "OK")
self.assertRunOK("batchput y.abc abc y.2 2 z.13c pqr", "OK")
self.assertRunOK("dump --count_delim", "x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8")
self.assertRunOK("dump --count_delim=\".\"", "x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8")
self.assertRunOK("batchput x,2 x2 x,abc xabc", "OK")
self.assertRunOK("dump --count_delim=\",\"", "x => count:2\tsize:14\nx.1 => count:1\tsize:5\ny.2 => count:1\tsize:4\ny.abc => count:1\tsize:8\nz.13c => count:1\tsize:8")
def testCountDelimIDump(self):
print "Running testCountDelimIDump..."
self.assertRunOK("batchput x.1 x1 --create_if_missing", "OK")
self.assertRunOK("batchput y.abc abc y.2 2 z.13c pqr", "OK")
self.assertRunOK("dump --count_delim", "x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8")
self.assertRunOK("dump --count_delim=\".\"", "x => count:1\tsize:5\ny => count:2\tsize:12\nz => count:1\tsize:8")
self.assertRunOK("batchput x,2 x2 x,abc xabc", "OK")
self.assertRunOK("dump --count_delim=\",\"", "x => count:2\tsize:14\nx.1 => count:1\tsize:5\ny.2 => count:1\tsize:4\ny.abc => count:1\tsize:8\nz.13c => count:1\tsize:8")
def testInvalidCmdLines(self):
print "Running testInvalidCmdLines..."
# db not specified