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131 Commits

Author SHA1 Message Date
Kishore Nallan
55ac4feb08 Normalize unicode characters using ICU. 2018-04-02 11:26:32 +05:30
Kishore Nallan
e43a101c50 If no sort_by fields are provided, sort descending on default_sorting_field. 2018-02-24 12:53:52 +05:30
Kishore Nallan
ca2c084d86 Rename token_ranking_field to default_sorting_field and make it mandatory. 2018-02-24 12:18:48 +05:30
Kishore Nallan
dc9ff3033b Fix failing test. 2018-02-08 16:57:32 -08:00
Kishore Nallan
b451a559e0 Improve error message logged when a replica is pointed to an old master. 
In such a case, the WAL entries would have expired - logging that explicitly now.
 2018-02-03 10:05:24 -05:00
Kishore Nallan
0f7530ed13 Serialize and deserialize next sequence id properly instead of string encoding. 2018-02-02 19:02:19 -05:00
Kishore Nallan
6b37d43fd7 Use a proper logger for logging! 2018-02-02 08:22:23 -05:00
Kishore Nallan
13f4c72827 Use rocksdb batch put for atomic insertion. 2018-01-28 14:29:07 -05:00
Kishore Nallan
c16513005b Return 409 status code when document with given ID already exists. 2018-01-27 08:47:28 -05:00
Kishore Nallan
85f9887a2f Fixed a bug where a document with a duplicate ID was being inserted without an error. 2018-01-26 21:55:59 +00:00
Kishore Nallan
ba49971ddd Fixed a few more -Wall warnings. 2018-01-26 13:38:02 +00:00
Kishore Nallan
f8be8f4f6a Handle normalization of unicode elegantly. 2018-01-26 12:54:00 +00:00
Kishore Nallan
c3298ba6d8 Address -Wall and -Wextra warnings. 2018-01-25 20:08:13 +05:30
Kishore Nallan
491de5a325 Remove ascii special characters during string normalization. 
Unicode special chars are retained verbatim - will be addressed in future.
 2018-01-16 21:16:24 +05:30
Kishore Nallan
192b00e71f Address API review comments. 
1. Move document specific actions under /documents
2. Document creation echoes the full document
3. Collections summary returns full detail on each each collection
4. Collections summary endpoint has no nested root attribute
5. When collection or document is deleted, the whole entity is returned in response
 2018-01-02 21:35:24 +05:30
Kishore Nallan
f6612cb34e Refactor scoring loop. 2017-12-30 21:14:31 +05:30
Kishore Nallan
21d3de6145 Improve handling of replication errors / edge cases. 2017-12-24 21:03:30 +05:30
Kishore Nallan
01275c38f2 Use unorderd_map for low-volume meta datastructures. 
Order of spp:sparse_hash_map during iteration is different in clang and gcc.
 2017-12-20 09:16:15 +05:30
Kishore Nallan
8d5f7c18a3 Fix a couple of test compile warnings. 2017-12-17 21:42:45 +05:30
Kishore Nallan
60288631be Check partial node text iteratively for prefix match. 2017-12-17 10:26:37 +05:30
Kishore Nallan
b1ac1d7d7c Allow API key to be passed as a GET parameter as a backup to a header. 
Required for authentication of JSONP requests from JS client.
 2017-12-17 07:35:59 +05:30
Kishore Nallan
3a9743aa90 Parameterize API key used by replication. 2017-12-16 22:12:03 +05:30
Kishore Nallan
fe0db59877 Support indexing of bool fields. 2017-12-13 20:24:44 +05:30
Kishore Nallan
78b9ee52ec Make match score computation predictable and consistent across multiple indexes. 2017-11-12 22:31:29 +05:30
Kishore Nallan
c1c7d493e5 Allow an integer to be passed to a field defined as a float. 
In the real world, this is common and it's better to be practical here.
 2017-11-05 10:45:45 +05:30
Kishore Nallan
3907c2d3f9 Fixed an out-of-bounds bug with highlighting. 2017-11-03 21:07:56 +05:30
Kishore Nallan
a7479171b1 Limit number of prefix candidates to a constant. 
Using number of results for comparison results in change of total count during pagination.
 2017-11-02 18:04:55 +05:30
Kishore Nallan
93430444d0 Prefix sort field can also be a float 2017-10-25 18:18:07 +05:30
Kishore Nallan
a2ce56fd67 Allow string fields to be filtered on. 
A rather convenient feature to have - but it would be a match of all tokens without typo tolerance.
 2017-10-22 19:52:09 +05:30
Kishore Nallan
da295e90e8 Tests for array utils. 2017-10-22 17:05:25 +05:30
Kishore Nallan
0e4517d901 Combine search, facet and sort fields into a single "fields". 
1. All numerical fields are added to sort index automatically since that makes logical sense.
2. Search fields to be used as a facet are to have a `facet: true` property - removes duplication.
3. If someone wants to use a faceted field also to search against (rare scenario), then they can duplicate that field without the `facet: true` property.
 2017-10-17 21:51:07 +05:30
Kishore Nallan
bb3ca4211a Test for pagination. 2017-09-24 22:00:57 +05:30
Kishore Nallan
b3689e16aa Improve test harness to cover some missing cases. 2017-09-23 21:21:13 +05:30
Kishore Nallan
b0cb3ceb41 Set a ceiling on num_typos so that 1 and 2 char prefix searches make sense. 2017-09-22 20:59:26 +05:30
Kishore Nallan
e24e0fae5d Node score should be a int32_t. 2017-09-21 19:40:41 +05:30
Kishore Nallan
901626652a Make type definitions less verbose. 
Use string[] instead of STRING_ARRAY and so on.
 2017-09-19 22:01:08 +05:30
Kishore Nallan
58bc73312d Replicate deletion of document and dropping of collection. 2017-09-14 22:44:29 +05:30
Kishore Nallan
6a465a0289 API for fetching all transactions from a given transaction sequence number. 
Relying on RocksDB underlying APIs for that. The updates are sent in a Base64 encoding in the JSON response.
 2017-08-31 09:42:11 +05:30
Kishore Nallan
d351523655 Allow results to be sorted on a float field. 2017-08-20 21:15:48 +05:30
Kishore Nallan
3104dea42a Generify the topster container to hold both integer and float. 
Benchmarked to ensure that performance is on par.
 2017-08-20 15:25:11 +05:30
Kishore Nallan
ea550f167c For prefix search, only the last term in the query should be considered as prefix. 2017-08-19 10:42:49 +05:30
Kishore Nallan
f5848be750 Address prefix search issues. 
Score based comparison was broken - test has been enhanced.
 2017-08-18 23:17:28 +05:30
Kishore Nallan
38fbbea71f Ensure that the token ranking field is an unsigned int. 2017-08-10 18:29:59 -04:00
Kishore Nallan
e384b777a1 Collection operations on float fields. 2017-08-10 18:20:58 -04:00
Kishore Nallan
a2f475d7fc Enable ART to index and search on floating point numbers. 2017-08-09 18:17:26 -04:00
Kishore Nallan
6a6785ef74 Short circuit to speed up single token searches. 
- Refactor token position population
- Store only the query index in topster instead of storing the full offsets.
- Calculate the offsets finally on the results that are to be returned.
 2017-08-08 17:39:23 -04:00
Kishore Nallan
916aaf6526 API for fetching a document ID and listing all collections. 2017-07-28 20:39:51 +05:30
Kishore Nallan
ffba0371b0 Proper API responses when pagination exceeds result boundaries. 2017-07-07 18:36:56 +05:30
Kishore Nallan
c471cd50c3 Implement authentication against an API auth key. 
The key should be passed via X-API-KEY HTTP header.
 2017-07-04 22:18:47 +05:30
Kishore Nallan
06ff49df4a Added a few more tests. 2017-07-01 22:57:59 +05:30