mirror of
https://github.com/meilisearch/MeiliSearch
synced 2024-11-23 05:14:27 +01:00
Merge pull request #63 from meilisearch/meilisearch-tokenizer
Meilisearch tokenizer
This commit is contained in:
Clément Renault
GitHub
commit
51d1785576
147
Cargo.lock
generated
147
Cargo.lock
generated
@ -6,6 +6,12 @@ version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ccc9a9dd069569f212bc4330af9f17c4afb5e8ce185e83dbb14f1349dda18b10"
|
||||
|
||||
[[package]]
|
||||
name = "ahash"
|
||||
version = "0.3.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e8fd72866655d1904d6b0997d0b07ba561047d070fbe29de039031c641b61217"
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[[package]]
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name = "aho-corasick"
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version = "0.7.15"
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@ -132,6 +138,15 @@ dependencies = [
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"jobserver",
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]
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[[package]]
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||||
name = "cedarwood"
|
||||
version = "0.4.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "963e82c7b94163808ca3a452608d260b64ba5bc7b5653b4af1af59887899f48d"
|
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dependencies = [
|
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"smallvec",
|
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]
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[[package]]
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name = "cfg-if"
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version = "0.1.10"
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@ -144,6 +159,15 @@ version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "character_converter"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2e48477ece09d6a21c033cb604968524a37782532727055d6f6faafac1781e5c"
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dependencies = [
|
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"bincode",
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]
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[[package]]
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name = "chrono"
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version = "0.4.19"
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@ -175,6 +199,12 @@ version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ce90df4c658c62f12d78f7508cf92f9173e5184a539c10bfe54a3107b3ffd0f2"
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[[package]]
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name = "cow-utils"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "79bb3adfaf5f75d24b01aee375f7555907840fa2800e5ec8fa3b9e2031830173"
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[[package]]
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name = "crc32fast"
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version = "1.2.0"
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@ -330,6 +360,12 @@ dependencies = [
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"memchr",
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]
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[[package]]
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name = "deunicode"
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version = "1.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "80115a2dfde04491e181c2440a39e4be26e52d9ca4e92bed213f65b94e0b8db1"
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[[package]]
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name = "digest"
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version = "0.8.1"
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@ -381,9 +417,9 @@ checksum = "5f2a4a2034423744d2cc7ca2068453168dcdb82c438419e639a26bd87839c674"
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[[package]]
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name = "fst"
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version = "0.4.4"
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version = "0.4.5"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "a7293de202dbfe786c0b3fe6110a027836c5438ed06db7b715c9955ff4bfea51"
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checksum = "d79238883cf0307100b90aba4a755d8051a3182305dfe7f649a1e9dc0517006f"
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[[package]]
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name = "fxhash"
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@ -440,6 +476,16 @@ version = "1.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d36fab90f82edc3c747f9d438e06cf0a491055896f2a279638bb5beed6c40177"
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[[package]]
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name = "hashbrown"
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||||
version = "0.7.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "96282e96bfcd3da0d3aa9938bedf1e50df3269b6db08b4876d2da0bb1a0841cf"
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dependencies = [
|
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"ahash",
|
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"autocfg",
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]
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[[package]]
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name = "hashbrown"
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version = "0.9.1"
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@ -525,7 +571,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
|
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dependencies = [
|
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"autocfg",
|
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"hashbrown",
|
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"hashbrown 0.9.1",
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]
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[[package]]
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@ -564,6 +610,21 @@ dependencies = [
|
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"libc",
|
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]
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|
||||
[[package]]
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||||
name = "jieba-rs"
|
||||
version = "0.6.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "34fbdeee8786790f4a99fa30ff5c5f88aa5183f7583693e3788d17fc8a48f33a"
|
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dependencies = [
|
||||
"cedarwood",
|
||||
"fxhash",
|
||||
"hashbrown 0.9.1",
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"lazy_static",
|
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"phf",
|
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"phf_codegen",
|
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"regex",
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]
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[[package]]
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name = "jobserver"
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version = "0.1.21"
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@ -647,6 +708,22 @@ version = "2.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
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[[package]]
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name = "meilisearch-tokenizer"
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version = "0.1.1"
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source = "git+https://github.com/meilisearch/Tokenizer.git?branch=main#147b6154b1b34cb8f5da2df6a416b7da191bc850"
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dependencies = [
|
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"character_converter",
|
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"cow-utils",
|
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"deunicode",
|
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"fst",
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"jieba-rs",
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"once_cell",
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"slice-group-by",
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"unicode-segmentation",
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"whatlang",
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]
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[[package]]
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name = "memchr"
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version = "2.3.3"
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@ -696,6 +773,7 @@ dependencies = [
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"linked-hash-map",
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"log",
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"maplit",
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"meilisearch-tokenizer",
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"memmap",
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"near-proximity",
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"num-traits",
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@ -883,6 +961,44 @@ dependencies = [
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"sha-1",
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]
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[[package]]
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name = "phf"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
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dependencies = [
|
||||
"phf_shared",
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]
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[[package]]
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name = "phf_codegen"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
|
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dependencies = [
|
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"phf_generator",
|
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"phf_shared",
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]
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|
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[[package]]
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name = "phf_generator"
|
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
|
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dependencies = [
|
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"phf_shared",
|
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"rand",
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]
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[[package]]
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name = "phf_shared"
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version = "0.8.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
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dependencies = [
|
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"siphasher",
|
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]
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[[package]]
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name = "pkg-config"
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version = "0.3.19"
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@ -962,6 +1078,7 @@ dependencies = [
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"rand_chacha",
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"rand_core",
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"rand_hc",
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"rand_pcg",
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]
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[[package]]
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@ -992,6 +1109,15 @@ dependencies = [
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"rand_core",
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]
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[[package]]
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name = "rand_pcg"
|
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
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checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
|
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dependencies = [
|
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"rand_core",
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]
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[[package]]
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name = "rayon"
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version = "1.3.1"
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@ -1182,6 +1308,12 @@ dependencies = [
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"opaque-debug",
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]
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[[package]]
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||||
name = "siphasher"
|
||||
version = "0.3.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fa8f3741c7372e75519bd9346068370c9cdaabcc1f9599cbcf2a2719352286b7"
|
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|
||||
[[package]]
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||||
name = "slice-group-by"
|
||||
version = "0.2.6"
|
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@ -1558,6 +1690,15 @@ dependencies = [
|
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"wasm-bindgen",
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]
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||||
[[package]]
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||||
name = "whatlang"
|
||||
version = "0.9.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bc0289c1d1548414a5645e6583e118e9c569c579ec2a0c32417cc3dbf7a89075"
|
||||
dependencies = [
|
||||
"hashbrown 0.7.2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.8"
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|
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@ -13,7 +13,7 @@ crossbeam-channel = "0.5.0"
|
||||
csv = "1.1.3"
|
||||
either = "1.6.1"
|
||||
flate2 = "1.0.17"
|
||||
fst = "0.4.4"
|
||||
fst = "0.4.5"
|
||||
fxhash = "0.2.1"
|
||||
grenad = { git = "https://github.com/Kerollmops/grenad.git", rev = "3adcb26" }
|
||||
heed = { version = "0.10.5", default-features = false, features = ["lmdb", "sync-read-txn"] }
|
||||
@ -21,6 +21,7 @@ human_format = "1.0.3"
|
||||
jemallocator = "0.3.2"
|
||||
levenshtein_automata = { version = "0.2.0", features = ["fst_automaton"] }
|
||||
linked-hash-map = "0.5.3"
|
||||
meilisearch-tokenizer = { git = "https://github.com/meilisearch/Tokenizer.git", branch = "main" }
|
||||
memmap = "0.7.0"
|
||||
near-proximity = { git = "https://github.com/Kerollmops/plane-sweep-proximity", rev = "6608205" }
|
||||
num-traits = "0.2.14"
|
||||
@ -56,7 +57,7 @@ criterion = "0.3.3"
|
||||
maplit = "1.0.2"
|
||||
|
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[build-dependencies]
|
||||
fst = "0.4.4"
|
||||
fst = "0.4.5"
|
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|
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[features]
|
||||
default = []
|
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|
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147
http-ui/Cargo.lock
generated
147
http-ui/Cargo.lock
generated
@ -6,6 +6,12 @@ version = "0.2.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
|
||||
|
||||
[[package]]
|
||||
name = "ahash"
|
||||
version = "0.3.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e8fd72866655d1904d6b0997d0b07ba561047d070fbe29de039031c641b61217"
|
||||
|
||||
[[package]]
|
||||
name = "aho-corasick"
|
||||
version = "0.7.15"
|
||||
@ -213,6 +219,15 @@ dependencies = [
|
||||
"jobserver",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cedarwood"
|
||||
version = "0.4.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "963e82c7b94163808ca3a452608d260b64ba5bc7b5653b4af1af59887899f48d"
|
||||
dependencies = [
|
||||
"smallvec",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "cfg-if"
|
||||
version = "0.1.10"
|
||||
@ -225,6 +240,15 @@ version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
|
||||
|
||||
[[package]]
|
||||
name = "character_converter"
|
||||
version = "1.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2e48477ece09d6a21c033cb604968524a37782532727055d6f6faafac1781e5c"
|
||||
dependencies = [
|
||||
"bincode",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "chrono"
|
||||
version = "0.4.19"
|
||||
@ -265,6 +289,12 @@ version = "0.4.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c478836e029dcef17fb47c89023448c64f781a046e0300e257ad8225ae59afab"
|
||||
|
||||
[[package]]
|
||||
name = "cow-utils"
|
||||
version = "0.1.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "79bb3adfaf5f75d24b01aee375f7555907840fa2800e5ec8fa3b9e2031830173"
|
||||
|
||||
[[package]]
|
||||
name = "cpuid-bool"
|
||||
version = "0.1.2"
|
||||
@ -368,6 +398,12 @@ dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "deunicode"
|
||||
version = "1.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "80115a2dfde04491e181c2440a39e4be26e52d9ca4e92bed213f65b94e0b8db1"
|
||||
|
||||
[[package]]
|
||||
name = "digest"
|
||||
version = "0.8.1"
|
||||
@ -640,6 +676,16 @@ dependencies = [
|
||||
"tracing-futures",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hashbrown"
|
||||
version = "0.7.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "96282e96bfcd3da0d3aa9938bedf1e50df3269b6db08b4876d2da0bb1a0841cf"
|
||||
dependencies = [
|
||||
"ahash",
|
||||
"autocfg 1.0.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hashbrown"
|
||||
version = "0.9.1"
|
||||
@ -757,10 +803,12 @@ dependencies = [
|
||||
"byte-unit",
|
||||
"bytes",
|
||||
"flate2",
|
||||
"fst",
|
||||
"futures",
|
||||
"grenad",
|
||||
"heed",
|
||||
"log",
|
||||
"meilisearch-tokenizer",
|
||||
"memmap",
|
||||
"milli",
|
||||
"once_cell",
|
||||
@ -840,7 +888,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
|
||||
dependencies = [
|
||||
"autocfg 1.0.1",
|
||||
"hashbrown",
|
||||
"hashbrown 0.9.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@ -897,6 +945,21 @@ dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "jieba-rs"
|
||||
version = "0.6.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "34fbdeee8786790f4a99fa30ff5c5f88aa5183f7583693e3788d17fc8a48f33a"
|
||||
dependencies = [
|
||||
"cedarwood",
|
||||
"fxhash",
|
||||
"hashbrown 0.9.1",
|
||||
"lazy_static",
|
||||
"phf",
|
||||
"phf_codegen",
|
||||
"regex",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "jobserver"
|
||||
version = "0.1.21"
|
||||
@ -975,6 +1038,22 @@ version = "0.1.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
|
||||
|
||||
[[package]]
|
||||
name = "meilisearch-tokenizer"
|
||||
version = "0.1.1"
|
||||
source = "git+https://github.com/meilisearch/Tokenizer.git?branch=token-eq#daeb4a4ac91081f1c592e3ebb3ec5d8dcb4e6976"
|
||||
dependencies = [
|
||||
"character_converter",
|
||||
"cow-utils",
|
||||
"deunicode",
|
||||
"fst",
|
||||
"jieba-rs",
|
||||
"once_cell",
|
||||
"slice-group-by",
|
||||
"unicode-segmentation",
|
||||
"whatlang",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "2.3.4"
|
||||
@ -1022,6 +1101,7 @@ dependencies = [
|
||||
"levenshtein_automata",
|
||||
"linked-hash-map",
|
||||
"log",
|
||||
"meilisearch-tokenizer",
|
||||
"memmap",
|
||||
"near-proximity",
|
||||
"num-traits",
|
||||
@ -1323,6 +1403,44 @@ dependencies = [
|
||||
"sha-1 0.8.2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3dfb61232e34fcb633f43d12c58f83c1df82962dcdfa565a4e866ffc17dafe12"
|
||||
dependencies = [
|
||||
"phf_shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf_codegen"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cbffee61585b0411840d3ece935cce9cb6321f01c45477d30066498cd5e1a815"
|
||||
dependencies = [
|
||||
"phf_generator",
|
||||
"phf_shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf_generator"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "17367f0cc86f2d25802b2c26ee58a7b23faeccf78a396094c13dced0d0182526"
|
||||
dependencies = [
|
||||
"phf_shared",
|
||||
"rand 0.7.3",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "phf_shared"
|
||||
version = "0.8.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "c00cf8b9eafe68dde5e9eaa2cef8ee84a9336a47d566ec55ca16589633b65af7"
|
||||
dependencies = [
|
||||
"siphasher",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "pin-project"
|
||||
version = "0.4.27"
|
||||
@ -1461,7 +1579,7 @@ dependencies = [
|
||||
"rand_isaac",
|
||||
"rand_jitter",
|
||||
"rand_os",
|
||||
"rand_pcg",
|
||||
"rand_pcg 0.1.2",
|
||||
"rand_xorshift",
|
||||
"winapi 0.3.9",
|
||||
]
|
||||
@ -1477,6 +1595,7 @@ dependencies = [
|
||||
"rand_chacha 0.2.2",
|
||||
"rand_core 0.5.1",
|
||||
"rand_hc 0.2.0",
|
||||
"rand_pcg 0.2.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@ -1585,6 +1704,15 @@ dependencies = [
|
||||
"rand_core 0.4.2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_pcg"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "16abd0c1b639e9eb4d7c50c0b8100b0d0f849be2349829c740fe8e6eb4816429"
|
||||
dependencies = [
|
||||
"rand_core 0.5.1",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rand_xorshift"
|
||||
version = "0.1.1"
|
||||
@ -1787,6 +1915,12 @@ dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "siphasher"
|
||||
version = "0.3.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fa8f3741c7372e75519bd9346068370c9cdaabcc1f9599cbcf2a2719352286b7"
|
||||
|
||||
[[package]]
|
||||
name = "slab"
|
||||
version = "0.4.2"
|
||||
@ -2280,6 +2414,15 @@ version = "0.10.0+wasi-snapshot-preview1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
|
||||
|
||||
[[package]]
|
||||
name = "whatlang"
|
||||
version = "0.9.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "bc0289c1d1548414a5645e6583e118e9c569c579ec2a0c32417cc3dbf7a89075"
|
||||
dependencies = [
|
||||
"hashbrown 0.7.2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.2.8"
|
||||
|
||||
@ -10,6 +10,7 @@ anyhow = "1.0.28"
|
||||
byte-unit = { version = "4.0.9", default-features = false, features = ["std"] }
|
||||
grenad = { git = "https://github.com/Kerollmops/grenad.git", rev = "3adcb26" }
|
||||
heed = "0.10.5"
|
||||
meilisearch-tokenizer = { git = "https://github.com/meilisearch/Tokenizer.git", branch = "main" }
|
||||
memmap = "0.7.0"
|
||||
milli = { path = ".." }
|
||||
once_cell = "1.4.1"
|
||||
@ -31,3 +32,4 @@ warp = "0.2.2"
|
||||
# logging
|
||||
log = "0.4.11"
|
||||
stderrlog = "0.5.0"
|
||||
fst = "0.4.5"
|
||||
|
||||
@ -27,8 +27,9 @@ use tokio::io::AsyncWriteExt;
|
||||
use tokio::sync::broadcast;
|
||||
use warp::filters::ws::Message;
|
||||
use warp::{Filter, http::Response};
|
||||
use meilisearch_tokenizer::{Analyzer, AnalyzerConfig};
|
||||
use fst::Set;
|
||||
|
||||
use milli::tokenizer::{simple_tokenizer, TokenType};
|
||||
use milli::update::UpdateIndexingStep::*;
|
||||
use milli::update::{UpdateBuilder, IndexDocumentsMethod, UpdateFormat};
|
||||
use milli::{obkv_to_json, Index, UpdateStore, SearchResult, FacetCondition};
|
||||
@ -121,49 +122,61 @@ pub struct IndexerOpt {
|
||||
pub indexing_jobs: Option<usize>,
|
||||
}
|
||||
|
||||
fn highlight_record(
|
||||
object: &mut Map<String, Value>,
|
||||
words_to_highlight: &HashSet<String>,
|
||||
attributes_to_highlight: &HashSet<String>,
|
||||
) {
|
||||
// TODO do we need to create a string for element that are not and needs to be highlight?
|
||||
fn highlight_value(value: Value, words_to_highlight: &HashSet<String>) -> Value {
|
||||
struct Highlighter<'a, A> {
|
||||
analyzer: Analyzer<'a, A>,
|
||||
}
|
||||
|
||||
impl<'a, A: AsRef<[u8]>> Highlighter<'a, A> {
|
||||
fn new(stop_words: &'a fst::Set<A>) -> Self {
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(stop_words));
|
||||
Self { analyzer }
|
||||
}
|
||||
|
||||
fn highlight_value(&self, value: Value, words_to_highlight: &HashSet<String>) -> Value {
|
||||
match value {
|
||||
Value::Null => Value::Null,
|
||||
Value::Bool(boolean) => Value::Bool(boolean),
|
||||
Value::Number(number) => Value::Number(number),
|
||||
Value::String(old_string) => {
|
||||
let mut string = String::new();
|
||||
for (token_type, token) in simple_tokenizer(&old_string) {
|
||||
if token_type == TokenType::Word {
|
||||
let lowercase_token = token.to_lowercase();
|
||||
let to_highlight = words_to_highlight.contains(&lowercase_token);
|
||||
let analyzed = self.analyzer.analyze(&old_string);
|
||||
for (word, token) in analyzed.reconstruct() {
|
||||
if token.is_word() {
|
||||
let to_highlight = words_to_highlight.contains(token.text());
|
||||
if to_highlight { string.push_str("<mark>") }
|
||||
string.push_str(token);
|
||||
string.push_str(word);
|
||||
if to_highlight { string.push_str("</mark>") }
|
||||
} else {
|
||||
string.push_str(token);
|
||||
string.push_str(word);
|
||||
}
|
||||
}
|
||||
Value::String(string)
|
||||
},
|
||||
Value::Array(values) => {
|
||||
Value::Array(values.into_iter()
|
||||
.map(|v| highlight_value(v, words_to_highlight))
|
||||
.map(|v| self.highlight_value(v, words_to_highlight))
|
||||
.collect())
|
||||
},
|
||||
Value::Object(object) => {
|
||||
Value::Object(object.into_iter()
|
||||
.map(|(k, v)| (k, highlight_value(v, words_to_highlight)))
|
||||
.map(|(k, v)| (k, self.highlight_value(v, words_to_highlight)))
|
||||
.collect())
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
for (key, value) in object.iter_mut() {
|
||||
if attributes_to_highlight.contains(key) {
|
||||
let old_value = mem::take(value);
|
||||
*value = highlight_value(old_value, words_to_highlight);
|
||||
fn highlight_record(
|
||||
&self,
|
||||
object: &mut Map<String, Value>,
|
||||
words_to_highlight: &HashSet<String>,
|
||||
attributes_to_highlight: &HashSet<String>,
|
||||
) {
|
||||
// TODO do we need to create a string for element that are not and needs to be highlight?
|
||||
for (key, value) in object.iter_mut() {
|
||||
if attributes_to_highlight.contains(key) {
|
||||
let old_value = mem::take(value);
|
||||
*value = self.highlight_value(old_value, words_to_highlight);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -651,10 +664,13 @@ async fn main() -> anyhow::Result<()> {
|
||||
None => fields_ids_map.iter().map(|(_, name)| name).map(ToOwned::to_owned).collect(),
|
||||
};
|
||||
|
||||
let stop_words = fst::Set::default();
|
||||
let highlighter = Highlighter::new(&stop_words);
|
||||
|
||||
for (_id, obkv) in index.documents(&rtxn, documents_ids).unwrap() {
|
||||
let mut object = obkv_to_json(&displayed_fields, &fields_ids_map, obkv).unwrap();
|
||||
if !disable_highlighting {
|
||||
highlight_record(&mut object, &found_words, &attributes_to_highlight);
|
||||
highlighter.highlight_record(&mut object, &found_words, &attributes_to_highlight);
|
||||
}
|
||||
|
||||
documents.push(object);
|
||||
@ -716,7 +732,7 @@ async fn main() -> anyhow::Result<()> {
|
||||
}
|
||||
|
||||
let file = file.into_std().await;
|
||||
let mmap = unsafe { memmap::Mmap::map(&file).unwrap() };
|
||||
let mmap = unsafe { memmap::Mmap::map(&file).expect("can't map file") };
|
||||
|
||||
let method = match update_method.as_deref() {
|
||||
Some("replace") => String::from("replace"),
|
||||
|
||||
@ -12,7 +12,6 @@ pub mod facet;
|
||||
pub mod heed_codec;
|
||||
pub mod proximity;
|
||||
pub mod subcommand;
|
||||
pub mod tokenizer;
|
||||
pub mod update;
|
||||
|
||||
use std::borrow::Cow;
|
||||
|
||||
@ -1,5 +1,4 @@
|
||||
use std::str;
|
||||
use crate::tokenizer::{simple_tokenizer, TokenType};
|
||||
use meilisearch_tokenizer::{Token, TokenKind};
|
||||
|
||||
#[derive(Debug)]
|
||||
enum State {
|
||||
@ -18,138 +17,201 @@ impl State {
|
||||
|
||||
#[derive(Debug, PartialEq, Eq)]
|
||||
pub enum QueryToken<'a> {
|
||||
Free(&'a str),
|
||||
Quoted(&'a str),
|
||||
Free(Token<'a>),
|
||||
Quoted(Token<'a>),
|
||||
}
|
||||
|
||||
pub struct QueryTokens<'a> {
|
||||
state: State,
|
||||
iter: Box<dyn Iterator<Item=(TokenType, &'a str)> + 'a>,
|
||||
}
|
||||
|
||||
impl QueryTokens<'_> {
|
||||
pub fn new(query: &str) -> QueryTokens {
|
||||
QueryTokens {
|
||||
state: State::Free,
|
||||
iter: Box::new(simple_tokenizer(query)),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> Iterator for QueryTokens<'a> {
|
||||
type Item = QueryToken<'a>;
|
||||
|
||||
fn next(&mut self) -> Option<Self::Item> {
|
||||
pub fn query_tokens<'a>(mut tokens: impl Iterator<Item = Token<'a>>) -> impl Iterator<Item = QueryToken<'a>> {
|
||||
let mut state = State::Free;
|
||||
let f = move || {
|
||||
loop {
|
||||
match self.iter.next()? {
|
||||
(TokenType::Other, "\"") => self.state.swap(),
|
||||
(TokenType::Word, token) => {
|
||||
let token = match self.state {
|
||||
let token = tokens.next()?;
|
||||
match token.kind() {
|
||||
_ if token.text().trim() == "\"" => state.swap(),
|
||||
TokenKind::Word => {
|
||||
let token = match state {
|
||||
State::Quoted => QueryToken::Quoted(token),
|
||||
State::Free => QueryToken::Free(token),
|
||||
};
|
||||
return Some(token);
|
||||
},
|
||||
(_, _) => (),
|
||||
_ => (),
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
std::iter::from_fn(f)
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
use QueryToken::{Quoted, Free};
|
||||
use meilisearch_tokenizer::{Analyzer, AnalyzerConfig};
|
||||
use fst::Set;
|
||||
|
||||
macro_rules! assert_eq_query_token {
|
||||
($test:expr, Quoted($val:literal)) => {
|
||||
match $test {
|
||||
Quoted(val) => assert_eq!(val.text(), $val),
|
||||
Free(val) => panic!("expected Quoted(\"{}\"), found Free(\"{}\")", $val, val.text()),
|
||||
}
|
||||
};
|
||||
|
||||
($test:expr, Free($val:literal)) => {
|
||||
match $test {
|
||||
Quoted(val) => panic!("expected Free(\"{}\"), found Quoted(\"{}\")", $val, val.text()),
|
||||
Free(val) => assert_eq!(val.text(), $val),
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn empty() {
|
||||
let mut iter = QueryTokens::new("");
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert!(iter.next().is_none());
|
||||
|
||||
let mut iter = QueryTokens::new(" ");
|
||||
assert_eq!(iter.next(), None);
|
||||
let query = " ";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn one_quoted_string() {
|
||||
let mut iter = QueryTokens::new("\"hello\"");
|
||||
assert_eq!(iter.next(), Some(Quoted("hello")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "\"hello\"";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("hello"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn one_pending_quoted_string() {
|
||||
let mut iter = QueryTokens::new("\"hello");
|
||||
assert_eq!(iter.next(), Some(Quoted("hello")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "\"hello";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("hello"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn one_non_quoted_string() {
|
||||
let mut iter = QueryTokens::new("hello");
|
||||
assert_eq!(iter.next(), Some(Free("hello")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "hello";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("hello"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn quoted_directly_followed_by_free_strings() {
|
||||
let mut iter = QueryTokens::new("\"hello\"world");
|
||||
assert_eq!(iter.next(), Some(Quoted("hello")));
|
||||
assert_eq!(iter.next(), Some(Free("world")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "\"hello\"world";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("hello"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("world"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn free_directly_followed_by_quoted_strings() {
|
||||
let mut iter = QueryTokens::new("hello\"world\"");
|
||||
assert_eq!(iter.next(), Some(Free("hello")));
|
||||
assert_eq!(iter.next(), Some(Quoted("world")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "hello\"world\"";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("hello"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("world"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn free_followed_by_quoted_strings() {
|
||||
let mut iter = QueryTokens::new("hello \"world\"");
|
||||
assert_eq!(iter.next(), Some(Free("hello")));
|
||||
assert_eq!(iter.next(), Some(Quoted("world")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "hello \"world\"";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("hello"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("world"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn multiple_spaces_separated_strings() {
|
||||
let mut iter = QueryTokens::new("hello world ");
|
||||
assert_eq!(iter.next(), Some(Free("hello")));
|
||||
assert_eq!(iter.next(), Some(Free("world")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "hello world ";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("hello"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("world"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn multi_interleaved_quoted_free_strings() {
|
||||
let mut iter = QueryTokens::new("hello \"world\" coucou \"monde\"");
|
||||
assert_eq!(iter.next(), Some(Free("hello")));
|
||||
assert_eq!(iter.next(), Some(Quoted("world")));
|
||||
assert_eq!(iter.next(), Some(Free("coucou")));
|
||||
assert_eq!(iter.next(), Some(Quoted("monde")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "hello \"world\" coucou \"monde\"";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("hello"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("world"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("coucou"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("monde"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn multi_quoted_strings() {
|
||||
let mut iter = QueryTokens::new("\"hello world\" coucou \"monde est beau\"");
|
||||
assert_eq!(iter.next(), Some(Quoted("hello")));
|
||||
assert_eq!(iter.next(), Some(Quoted("world")));
|
||||
assert_eq!(iter.next(), Some(Free("coucou")));
|
||||
assert_eq!(iter.next(), Some(Quoted("monde")));
|
||||
assert_eq!(iter.next(), Some(Quoted("est")));
|
||||
assert_eq!(iter.next(), Some(Quoted("beau")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "\"hello world\" coucou \"monde est beau\"";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("hello"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("world"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("coucou"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("monde"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("est"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Quoted("beau"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn chinese() {
|
||||
let mut iter = QueryTokens::new("汽车男生");
|
||||
assert_eq!(iter.next(), Some(Free("汽车")));
|
||||
assert_eq!(iter.next(), Some(Free("男生")));
|
||||
assert_eq!(iter.next(), None);
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let query = "汽车男生";
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let mut iter = query_tokens(tokens);
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("汽车"));
|
||||
assert_eq_query_token!(iter.next().unwrap(), Free("男生"));
|
||||
assert!(iter.next().is_none());
|
||||
}
|
||||
}
|
||||
|
||||
@ -4,10 +4,11 @@ use std::fmt;
|
||||
use std::time::Instant;
|
||||
|
||||
use anyhow::{bail, Context};
|
||||
use fst::{IntoStreamer, Streamer};
|
||||
use fst::{IntoStreamer, Streamer, Set};
|
||||
use levenshtein_automata::DFA;
|
||||
use levenshtein_automata::LevenshteinAutomatonBuilder as LevBuilder;
|
||||
use log::debug;
|
||||
use meilisearch_tokenizer::{AnalyzerConfig, Analyzer};
|
||||
use once_cell::sync::Lazy;
|
||||
use ordered_float::OrderedFloat;
|
||||
use roaring::bitmap::RoaringBitmap;
|
||||
@ -16,7 +17,7 @@ use crate::facet::FacetType;
|
||||
use crate::heed_codec::facet::{FacetLevelValueF64Codec, FacetLevelValueI64Codec};
|
||||
use crate::heed_codec::facet::{FieldDocIdFacetF64Codec, FieldDocIdFacetI64Codec};
|
||||
use crate::mdfs::Mdfs;
|
||||
use crate::query_tokens::{QueryTokens, QueryToken};
|
||||
use crate::query_tokens::{query_tokens, QueryToken};
|
||||
use crate::{Index, FieldId, DocumentId, Criterion};
|
||||
|
||||
pub use self::facet::{FacetCondition, FacetNumberOperator, FacetStringOperator};
|
||||
@ -68,14 +69,19 @@ impl<'a> Search<'a> {
|
||||
fn generate_query_dfas(query: &str) -> Vec<(String, bool, DFA)> {
|
||||
let (lev0, lev1, lev2) = (&LEVDIST0, &LEVDIST1, &LEVDIST2);
|
||||
|
||||
let words: Vec<_> = QueryTokens::new(query).collect();
|
||||
let stop_words = Set::default();
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(&stop_words));
|
||||
let analyzed = analyzer.analyze(query);
|
||||
let tokens = analyzed.tokens();
|
||||
let words: Vec<_> = query_tokens(tokens).collect();
|
||||
|
||||
let ends_with_whitespace = query.chars().last().map_or(false, char::is_whitespace);
|
||||
let number_of_words = words.len();
|
||||
|
||||
words.into_iter().enumerate().map(|(i, word)| {
|
||||
let (word, quoted) = match word {
|
||||
QueryToken::Free(word) => (word.to_lowercase(), word.len() <= 3),
|
||||
QueryToken::Quoted(word) => (word.to_lowercase(), true),
|
||||
QueryToken::Free(token) => (token.text().to_string(), token.text().len() <= 3),
|
||||
QueryToken::Quoted(token) => (token.text().to_string(), true),
|
||||
};
|
||||
let is_last = i + 1 == number_of_words;
|
||||
let is_prefix = is_last && !ends_with_whitespace && !quoted;
|
||||
|
||||
174
src/tokenizer.rs
174
src/tokenizer.rs
@ -1,174 +0,0 @@
|
||||
use std::{str, iter, mem};
|
||||
|
||||
use fst::raw::{Fst, Output};
|
||||
use once_cell::sync::Lazy;
|
||||
use slice_group_by::StrGroupBy;
|
||||
|
||||
use CharCategory::*;
|
||||
|
||||
const CHINESE_FST_BYTES: &[u8] = include_bytes!(concat!(env!("OUT_DIR"), "/chinese-words.fst"));
|
||||
static CHINESE_WORDS_FST: Lazy<Fst<&[u8]>> = Lazy::new(|| Fst::new(CHINESE_FST_BYTES).unwrap());
|
||||
|
||||
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
|
||||
pub enum TokenType {
|
||||
Word,
|
||||
Space,
|
||||
Other,
|
||||
}
|
||||
|
||||
pub fn simple_tokenizer(text: &str) -> impl Iterator<Item=(TokenType, &str)> {
|
||||
text
|
||||
.linear_group_by_key(CharCategory::new)
|
||||
.flat_map(|mut string| {
|
||||
let first = string.chars().next().unwrap();
|
||||
let category = CharCategory::new(first);
|
||||
iter::from_fn(move || {
|
||||
if string.is_empty() { return None }
|
||||
match category {
|
||||
Chinese => {
|
||||
let fst = &CHINESE_WORDS_FST;
|
||||
match find_longest_prefix(fst, string.as_bytes()) {
|
||||
Some((_, l)) => {
|
||||
let s = &string[..l];
|
||||
string = &string[l..];
|
||||
Some((TokenType::Word, s))
|
||||
},
|
||||
None => {
|
||||
let first = string.chars().next().unwrap();
|
||||
let len = first.len_utf8();
|
||||
let (head, tail) = string.split_at(len);
|
||||
string = tail;
|
||||
Some((TokenType::Word, head))
|
||||
},
|
||||
}
|
||||
},
|
||||
Alphanumeric => Some((TokenType::Word, mem::take(&mut string))),
|
||||
Space => Some((TokenType::Space, mem::take(&mut string))),
|
||||
Other => Some((TokenType::Other, mem::take(&mut string))),
|
||||
}
|
||||
})
|
||||
})
|
||||
}
|
||||
|
||||
pub fn only_token((t, w): (TokenType, &str)) -> Option<&str> {
|
||||
if t == TokenType::Word { Some(w) } else { None }
|
||||
}
|
||||
|
||||
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
|
||||
enum CharCategory {
|
||||
Chinese,
|
||||
Alphanumeric,
|
||||
Space,
|
||||
Other,
|
||||
}
|
||||
|
||||
impl CharCategory {
|
||||
fn new(c: char) -> Self {
|
||||
if c.is_alphanumeric() {
|
||||
if is_chinese(c) { Chinese } else { Alphanumeric }
|
||||
} else if c.is_whitespace() { Space } else { Other }
|
||||
}
|
||||
}
|
||||
|
||||
fn is_chinese(c: char) -> bool {
|
||||
matches!(
|
||||
u32::from(c),
|
||||
0x4E00..=0x9FEF
|
||||
| 0x3400..=0x4DBF
|
||||
| 0x20000..=0x2A6DF
|
||||
| 0x2A700..=0x2B73F
|
||||
| 0x2B740..=0x2B81F
|
||||
| 0x2B820..=0x2CEAF
|
||||
| 0x2CEB0..=0x2EBEF
|
||||
| 0x3007..=0x3007
|
||||
)
|
||||
}
|
||||
|
||||
/// Find the longest key that is prefix of the given value.
|
||||
///
|
||||
/// If the key exists, then `Some((value, key_len))` is returned, where
|
||||
/// `value` is the value associated with the key, and `key_len` is the
|
||||
/// length of the found key. Otherwise `None` is returned.
|
||||
///
|
||||
/// This can be used to e.g. build tokenizing functions.
|
||||
// Copyright @llogiq
|
||||
// https://github.com/BurntSushi/fst/pull/104
|
||||
#[inline]
|
||||
fn find_longest_prefix(fst: &Fst<&[u8]>, value: &[u8]) -> Option<(u64, usize)> {
|
||||
let mut node = fst.root();
|
||||
let mut out = Output::zero();
|
||||
let mut last_match = None;
|
||||
for (i, &b) in value.iter().enumerate() {
|
||||
if let Some(trans_index) = node.find_input(b) {
|
||||
let t = node.transition(trans_index);
|
||||
node = fst.node(t.addr);
|
||||
out = out.cat(t.out);
|
||||
if node.is_final() {
|
||||
last_match = Some((out.cat(node.final_output()).value(), i + 1));
|
||||
}
|
||||
} else {
|
||||
return last_match;
|
||||
}
|
||||
}
|
||||
last_match
|
||||
}
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
||||
#[test]
|
||||
fn without_chinese() {
|
||||
let mut iter = simple_tokenizer("hello world!");
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "hello")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Space, " ")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "world")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Other, "!")));
|
||||
assert_eq!(iter.next(), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn only_chinese() {
|
||||
let mut iter = simple_tokenizer("今天的天气真好");
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "今天")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "的")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "天气")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "真好")));
|
||||
assert_eq!(iter.next(), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn mixup_chinese_with_alphabet() {
|
||||
let mut iter = simple_tokenizer("今天的天气真好Apple is good今天的天气真好");
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "今天")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "的")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "天气")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "真好")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "Apple")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Space, " ")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "is")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Space, " ")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "good")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "今天")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "的")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "天气")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "真好")));
|
||||
assert_eq!(iter.next(), None);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn unknown_chinese() {
|
||||
let mut iter = simple_tokenizer("被虾头大讚好识𠱁女仔");
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "被")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "虾")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "头")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "大")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "讚")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "好")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "识")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "𠱁")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "女")));
|
||||
assert_eq!(iter.next(), Some((TokenType::Word, "仔")));
|
||||
assert_eq!(iter.next(), None);
|
||||
}
|
||||
}
|
||||
@ -370,6 +370,7 @@ impl<'t, 'u, 'i, 'a> IndexDocuments<'t, 'u, 'i, 'a> {
|
||||
let readers = rayon::iter::repeatn(documents, num_threads)
|
||||
.enumerate()
|
||||
.map(|(i, documents)| {
|
||||
let stop_words = fst::Set::default();
|
||||
let store = Store::new(
|
||||
searchable_fields.clone(),
|
||||
faceted_fields.clone(),
|
||||
@ -379,6 +380,7 @@ impl<'t, 'u, 'i, 'a> IndexDocuments<'t, 'u, 'i, 'a> {
|
||||
chunk_compression_type,
|
||||
chunk_compression_level,
|
||||
chunk_fusing_shrink_size,
|
||||
&stop_words,
|
||||
)?;
|
||||
store.index(
|
||||
documents,
|
||||
|
||||
@ -8,20 +8,21 @@ use std::{cmp, iter};
|
||||
|
||||
use anyhow::{bail, Context};
|
||||
use bstr::ByteSlice as _;
|
||||
use fst::Set;
|
||||
use grenad::{Reader, FileFuse, Writer, Sorter, CompressionType};
|
||||
use heed::BytesEncode;
|
||||
use linked_hash_map::LinkedHashMap;
|
||||
use log::{debug, info};
|
||||
use meilisearch_tokenizer::{Analyzer, AnalyzerConfig};
|
||||
use ordered_float::OrderedFloat;
|
||||
use roaring::RoaringBitmap;
|
||||
use serde_json::Value;
|
||||
use tempfile::tempfile;
|
||||
|
||||
use crate::facet::FacetType;
|
||||
use crate::heed_codec::{BoRoaringBitmapCodec, CboRoaringBitmapCodec};
|
||||
use crate::heed_codec::facet::{FacetValueStringCodec, FacetLevelValueF64Codec, FacetLevelValueI64Codec};
|
||||
use crate::heed_codec::facet::{FieldDocIdFacetStringCodec, FieldDocIdFacetF64Codec, FieldDocIdFacetI64Codec};
|
||||
use crate::tokenizer::{simple_tokenizer, only_token};
|
||||
use crate::heed_codec::{BoRoaringBitmapCodec, CboRoaringBitmapCodec};
|
||||
use crate::update::UpdateIndexingStep;
|
||||
use crate::{json_to_string, SmallVec8, SmallVec32, SmallString32, Position, DocumentId, FieldId};
|
||||
|
||||
@ -47,7 +48,7 @@ pub struct Readers {
|
||||
pub documents: Reader<FileFuse>,
|
||||
}
|
||||
|
||||
pub struct Store {
|
||||
pub struct Store<'s, A> {
|
||||
// Indexing parameters
|
||||
searchable_fields: HashSet<FieldId>,
|
||||
faceted_fields: HashMap<FieldId, FacetType>,
|
||||
@ -71,9 +72,11 @@ pub struct Store {
|
||||
// MTBL writers
|
||||
docid_word_positions_writer: Writer<File>,
|
||||
documents_writer: Writer<File>,
|
||||
// tokenizer
|
||||
analyzer: Analyzer<'s, A>,
|
||||
}
|
||||
|
||||
impl Store {
|
||||
impl<'s, A: AsRef<[u8]>> Store<'s, A> {
|
||||
pub fn new(
|
||||
searchable_fields: HashSet<FieldId>,
|
||||
faceted_fields: HashMap<FieldId, FacetType>,
|
||||
@ -83,7 +86,8 @@ impl Store {
|
||||
chunk_compression_type: CompressionType,
|
||||
chunk_compression_level: Option<u32>,
|
||||
chunk_fusing_shrink_size: Option<u64>,
|
||||
) -> anyhow::Result<Store>
|
||||
stop_words: &'s Set<A>,
|
||||
) -> anyhow::Result<Self>
|
||||
{
|
||||
// We divide the max memory by the number of sorter the Store have.
|
||||
let max_memory = max_memory.map(|mm| cmp::max(ONE_KILOBYTE, mm / 4));
|
||||
@ -137,6 +141,8 @@ impl Store {
|
||||
create_writer(chunk_compression_type, chunk_compression_level, f)
|
||||
})?;
|
||||
|
||||
let analyzer = Analyzer::new(AnalyzerConfig::default_with_stopwords(stop_words));
|
||||
|
||||
Ok(Store {
|
||||
// Indexing parameters.
|
||||
searchable_fields,
|
||||
@ -161,6 +167,8 @@ impl Store {
|
||||
// MTBL writers
|
||||
docid_word_positions_writer,
|
||||
documents_writer,
|
||||
// tokenizer
|
||||
analyzer,
|
||||
})
|
||||
}
|
||||
|
||||
@ -462,9 +470,13 @@ impl Store {
|
||||
None => continue,
|
||||
};
|
||||
|
||||
let tokens = simple_tokenizer(&content).filter_map(only_token);
|
||||
for (pos, token) in tokens.enumerate().take(MAX_POSITION) {
|
||||
let word = token.to_lowercase();
|
||||
let analyzed = self.analyzer.analyze(&content);
|
||||
let tokens = analyzed
|
||||
.tokens()
|
||||
.filter(|t| t.is_word())
|
||||
.map(|t| t.text().to_string());
|
||||
|
||||
for (pos, word) in tokens.enumerate().take(MAX_POSITION) {
|
||||
let position = (attr as usize * MAX_POSITION + pos) as u32;
|
||||
words_positions.entry(word).or_insert_with(SmallVec32::new).push(position);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user