Created
January 9, 2009 02:25
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require 'tokyocabinet' | |
include TokyoCabinet | |
# create the object | |
hdb = HDB::new | |
# open the database | |
if(!hdb.open("casket.hdb", HDB::OWRITER | HDB::OCREAT)) | |
ecode = hdb.ecode | |
STDERR.printf("open error: %s\n", hdb.errmsg(ecode)) | |
end | |
# store records | |
if(!hdb.put("foo", "hop") || | |
!hdb.put("bar", "step") || | |
!hdb.put("baz", "jump")) | |
ecode = hdb.ecode | |
STDERR.printf("put error: %s\n", hdb.errmsg(ecode)) | |
end | |
# retrieve records | |
value = hdb.get("foo") | |
if(value) | |
printf("%s\n", value) | |
else | |
ecode = hdb.ecode | |
STDERR.printf("get error: %s\n", hdb.errmsg(ecode)) | |
end | |
# traverse records | |
hdb.iterinit | |
while(key = hdb.iternext) | |
value = hdb.get(key) | |
if(value) | |
printf("%s:%s\n", key, value) | |
end | |
end | |
# hash-like usage | |
hdb["quux"] = "touchdown" | |
printf("%s\n", hdb["quux"]) | |
hdb.each do |key, value| | |
printf("%s:%s\n", key, value) | |
end | |
# close the database | |
if(!hdb.close) | |
ecode = hdb.ecode | |
STDERR.printf("close error: %s\n", hdb.errmsg(ecode)) | |
end |
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