Naive single-threaded Parquet writing.
This commit is contained in:
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6 changed files with 834 additions and 45 deletions
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.gitignore
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/target
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/target
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.direnv/
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.direnv/
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*.parquet
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Cargo.lock
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Cargo.lock
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@ -17,6 +17,20 @@ version = "2.0.1"
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@ -26,6 +40,21 @@ dependencies = [
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@ -47,6 +76,214 @@ dependencies = [
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"chrono",
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"num",
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"chrono",
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"half",
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"num",
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"ryu",
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"csv",
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"csv-core",
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"regex",
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[[package]]
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[[package]]
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[[package]]
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[[package]]
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"half",
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[[package]]
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"arrow-data",
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"arrow-schema",
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"num",
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]
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[[package]]
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"num",
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name = "async-trait"
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version = "0.1.88"
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]
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]
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[[package]]
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|
||||||
name = "crypto-common"
|
name = "crypto-common"
|
||||||
version = "0.1.6"
|
version = "0.1.6"
|
||||||
|
|
@ -276,6 +571,27 @@ dependencies = [
|
||||||
"typenum",
|
"typenum",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "csv"
|
||||||
|
version = "1.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "acdc4883a9c96732e4733212c01447ebd805833b7275a73ca3ee080fd77afdaf"
|
||||||
|
dependencies = [
|
||||||
|
"csv-core",
|
||||||
|
"itoa",
|
||||||
|
"ryu",
|
||||||
|
"serde",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "csv-core"
|
||||||
|
version = "0.1.12"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7d02f3b0da4c6504f86e9cd789d8dbafab48c2321be74e9987593de5a894d93d"
|
||||||
|
dependencies = [
|
||||||
|
"memchr",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "darling"
|
name = "darling"
|
||||||
version = "0.20.11"
|
version = "0.20.11"
|
||||||
|
|
@ -418,6 +734,16 @@ dependencies = [
|
||||||
"windows-sys 0.59.0",
|
"windows-sys 0.59.0",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "flatbuffers"
|
||||||
|
version = "25.2.10"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1045398c1bfd89168b5fd3f1fc11f6e70b34f6f66300c87d44d3de849463abf1"
|
||||||
|
dependencies = [
|
||||||
|
"bitflags 2.9.1",
|
||||||
|
"rustc_version",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "flate2"
|
name = "flate2"
|
||||||
version = "1.1.2"
|
version = "1.1.2"
|
||||||
|
|
@ -425,6 +751,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
|
checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
"crc32fast",
|
"crc32fast",
|
||||||
|
"libz-rs-sys",
|
||||||
"libz-sys",
|
"libz-sys",
|
||||||
"miniz_oxide",
|
"miniz_oxide",
|
||||||
]
|
]
|
||||||
|
|
@ -578,6 +905,17 @@ version = "0.31.1"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
|
checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "half"
|
||||||
|
version = "2.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "459196ed295495a68f7d7fe1d84f6c4b7ff0e21fe3017b2f283c6fac3ad803c9"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
"crunchy",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "hashbrown"
|
name = "hashbrown"
|
||||||
version = "0.12.3"
|
version = "0.12.3"
|
||||||
|
|
@ -908,12 +1246,28 @@ dependencies = [
|
||||||
"serde",
|
"serde",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "integer-encoding"
|
||||||
|
version = "3.0.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8bb03732005da905c88227371639bf1ad885cc712789c011c31c5fb3ab3ccf02"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "itoa"
|
name = "itoa"
|
||||||
version = "1.0.15"
|
version = "1.0.15"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
|
checksum = "4a5f13b858c8d314ee3e8f639011f7ccefe71f97f96e50151fb991f267928e2c"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "jobserver"
|
||||||
|
version = "0.1.33"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "38f262f097c174adebe41eb73d66ae9c06b2844fb0da69969647bbddd9b0538a"
|
||||||
|
dependencies = [
|
||||||
|
"getrandom 0.3.3",
|
||||||
|
"libc",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "js-sys"
|
name = "js-sys"
|
||||||
version = "0.3.77"
|
version = "0.3.77"
|
||||||
|
|
@ -933,12 +1287,88 @@ dependencies = [
|
||||||
"indexmap 2.9.0",
|
"indexmap 2.9.0",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lazy_static"
|
||||||
|
version = "1.5.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lexical-core"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b765c31809609075565a70b4b71402281283aeda7ecaf4818ac14a7b2ade8958"
|
||||||
|
dependencies = [
|
||||||
|
"lexical-parse-float",
|
||||||
|
"lexical-parse-integer",
|
||||||
|
"lexical-util",
|
||||||
|
"lexical-write-float",
|
||||||
|
"lexical-write-integer",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lexical-parse-float"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "de6f9cb01fb0b08060209a057c048fcbab8717b4c1ecd2eac66ebfe39a65b0f2"
|
||||||
|
dependencies = [
|
||||||
|
"lexical-parse-integer",
|
||||||
|
"lexical-util",
|
||||||
|
"static_assertions",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lexical-parse-integer"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "72207aae22fc0a121ba7b6d479e42cbfea549af1479c3f3a4f12c70dd66df12e"
|
||||||
|
dependencies = [
|
||||||
|
"lexical-util",
|
||||||
|
"static_assertions",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lexical-util"
|
||||||
|
version = "1.0.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "5a82e24bf537fd24c177ffbbdc6ebcc8d54732c35b50a3f28cc3f4e4c949a0b3"
|
||||||
|
dependencies = [
|
||||||
|
"static_assertions",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lexical-write-float"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c5afc668a27f460fb45a81a757b6bf2f43c2d7e30cb5a2dcd3abf294c78d62bd"
|
||||||
|
dependencies = [
|
||||||
|
"lexical-util",
|
||||||
|
"lexical-write-integer",
|
||||||
|
"static_assertions",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lexical-write-integer"
|
||||||
|
version = "1.0.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "629ddff1a914a836fb245616a7888b62903aae58fa771e1d83943035efa0f978"
|
||||||
|
dependencies = [
|
||||||
|
"lexical-util",
|
||||||
|
"static_assertions",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "libc"
|
name = "libc"
|
||||||
version = "0.2.172"
|
version = "0.2.172"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
|
checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libm"
|
||||||
|
version = "0.2.15"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f9fbbcab51052fe104eb5e5d351cf728d30a5be1fe14d9be8a3b097481fb97de"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "libredox"
|
name = "libredox"
|
||||||
version = "0.1.3"
|
version = "0.1.3"
|
||||||
|
|
@ -950,6 +1380,15 @@ dependencies = [
|
||||||
"redox_syscall 0.5.12",
|
"redox_syscall 0.5.12",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libz-rs-sys"
|
||||||
|
version = "0.5.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "172a788537a2221661b480fee8dc5f96c580eb34fa88764d3205dc356c7e4221"
|
||||||
|
dependencies = [
|
||||||
|
"zlib-rs",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "libz-sys"
|
name = "libz-sys"
|
||||||
version = "1.1.22"
|
version = "1.1.22"
|
||||||
|
|
@ -988,6 +1427,15 @@ dependencies = [
|
||||||
"hashbrown 0.15.4",
|
"hashbrown 0.15.4",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "lz4_flex"
|
||||||
|
version = "0.11.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "75761162ae2b0e580d7e7c390558127e5f01b4194debd6221fd8c207fc80e3f5"
|
||||||
|
dependencies = [
|
||||||
|
"twox-hash 1.6.3",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "memchr"
|
name = "memchr"
|
||||||
version = "2.7.5"
|
version = "2.7.5"
|
||||||
|
|
@ -1056,7 +1504,7 @@ dependencies = [
|
||||||
"thiserror",
|
"thiserror",
|
||||||
"tokio",
|
"tokio",
|
||||||
"tokio-util",
|
"tokio-util",
|
||||||
"twox-hash",
|
"twox-hash 2.1.1",
|
||||||
"url",
|
"url",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
|
@ -1071,6 +1519,7 @@ dependencies = [
|
||||||
"btoi",
|
"btoi",
|
||||||
"byteorder",
|
"byteorder",
|
||||||
"bytes",
|
"bytes",
|
||||||
|
"chrono",
|
||||||
"crc32fast",
|
"crc32fast",
|
||||||
"flate2",
|
"flate2",
|
||||||
"getrandom 0.3.3",
|
"getrandom 0.3.3",
|
||||||
|
|
@ -1087,6 +1536,20 @@ dependencies = [
|
||||||
"uuid",
|
"uuid",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num"
|
||||||
|
version = "0.4.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "35bd024e8b2ff75562e5f34e7f4905839deb4b22955ef5e73d2fea1b9813cb23"
|
||||||
|
dependencies = [
|
||||||
|
"num-bigint",
|
||||||
|
"num-complex",
|
||||||
|
"num-integer",
|
||||||
|
"num-iter",
|
||||||
|
"num-rational",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "num-bigint"
|
name = "num-bigint"
|
||||||
version = "0.4.6"
|
version = "0.4.6"
|
||||||
|
|
@ -1097,6 +1560,15 @@ dependencies = [
|
||||||
"num-traits",
|
"num-traits",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num-complex"
|
||||||
|
version = "0.4.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "73f88a1307638156682bada9d7604135552957b7818057dcef22705b4d509495"
|
||||||
|
dependencies = [
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "num-conv"
|
name = "num-conv"
|
||||||
version = "0.1.0"
|
version = "0.1.0"
|
||||||
|
|
@ -1112,6 +1584,28 @@ dependencies = [
|
||||||
"num-traits",
|
"num-traits",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num-iter"
|
||||||
|
version = "0.1.45"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1429034a0490724d0075ebb2bc9e875d6503c3cf69e235a8941aa757d83ef5bf"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
"num-integer",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "num-rational"
|
||||||
|
version = "0.4.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f83d14da390562dca69fc84082e73e548e1ad308d24accdedd2720017cb37824"
|
||||||
|
dependencies = [
|
||||||
|
"num-bigint",
|
||||||
|
"num-integer",
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "num-traits"
|
name = "num-traits"
|
||||||
version = "0.2.19"
|
version = "0.2.19"
|
||||||
|
|
@ -1119,6 +1613,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
|
checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
"autocfg",
|
"autocfg",
|
||||||
|
"libm",
|
||||||
]
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
|
|
@ -1142,6 +1637,50 @@ version = "0.1.6"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"
|
checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ordered-float"
|
||||||
|
version = "2.10.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "68f19d67e5a2795c94e73e0bb1cc1a7edeb2e28efd39e2e1c9b7a40c1108b11c"
|
||||||
|
dependencies = [
|
||||||
|
"num-traits",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "parquet"
|
||||||
|
version = "55.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "be7b2d778f6b841d37083ebdf32e33a524acde1266b5884a8ca29bf00dfa1231"
|
||||||
|
dependencies = [
|
||||||
|
"ahash",
|
||||||
|
"arrow-array",
|
||||||
|
"arrow-buffer",
|
||||||
|
"arrow-cast",
|
||||||
|
"arrow-data",
|
||||||
|
"arrow-ipc",
|
||||||
|
"arrow-schema",
|
||||||
|
"arrow-select",
|
||||||
|
"base64 0.22.1",
|
||||||
|
"brotli",
|
||||||
|
"bytes",
|
||||||
|
"chrono",
|
||||||
|
"flate2",
|
||||||
|
"futures",
|
||||||
|
"half",
|
||||||
|
"hashbrown 0.15.4",
|
||||||
|
"lz4_flex",
|
||||||
|
"num",
|
||||||
|
"num-bigint",
|
||||||
|
"paste",
|
||||||
|
"seq-macro",
|
||||||
|
"simdutf8",
|
||||||
|
"snap",
|
||||||
|
"thrift",
|
||||||
|
"tokio",
|
||||||
|
"twox-hash 2.1.1",
|
||||||
|
"zstd",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "parse-display"
|
name = "parse-display"
|
||||||
version = "0.9.1"
|
version = "0.9.1"
|
||||||
|
|
@ -1167,6 +1706,12 @@ dependencies = [
|
||||||
"syn",
|
"syn",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "paste"
|
||||||
|
version = "1.0.15"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "pem"
|
name = "pem"
|
||||||
version = "3.0.5"
|
version = "3.0.5"
|
||||||
|
|
@ -1376,6 +1921,15 @@ version = "0.1.25"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "989e6739f80c4ad5b13e0fd7fe89531180375b18520cc8c82080e4dc4035b84f"
|
checksum = "989e6739f80c4ad5b13e0fd7fe89531180375b18520cc8c82080e4dc4035b84f"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "rustc_version"
|
||||||
|
version = "0.4.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
|
||||||
|
dependencies = [
|
||||||
|
"semver",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "rustix"
|
name = "rustix"
|
||||||
version = "1.0.7"
|
version = "1.0.7"
|
||||||
|
|
@ -1494,6 +2048,18 @@ dependencies = [
|
||||||
"libc",
|
"libc",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "semver"
|
||||||
|
version = "1.0.26"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "seq-macro"
|
||||||
|
version = "0.3.6"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1bc711410fbe7399f390ca1c3b60ad0f53f80e95c5eb935e52268a0e2cd49acc"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "serde"
|
name = "serde"
|
||||||
version = "1.0.219"
|
version = "1.0.219"
|
||||||
|
|
@ -1607,6 +2173,12 @@ version = "1.3.0"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
|
checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "simdutf8"
|
||||||
|
version = "0.1.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e3a9fe34e3e7a50316060351f37187a3f546bce95496156754b601a5fa71b76e"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "slab"
|
name = "slab"
|
||||||
version = "0.4.9"
|
version = "0.4.9"
|
||||||
|
|
@ -1622,6 +2194,12 @@ version = "1.15.1"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
|
checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "snap"
|
||||||
|
version = "1.1.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1b6b67fb9a61334225b5b790716f609cd58395f895b3fe8b328786812a40bc3b"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "socket2"
|
name = "socket2"
|
||||||
version = "0.5.10"
|
version = "0.5.10"
|
||||||
|
|
@ -1638,6 +2216,12 @@ version = "1.2.0"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
|
checksum = "a8f112729512f8e442d81f95a8a7ddf2b7c6b8a1a6f509a95864142b30cab2d3"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "static_assertions"
|
||||||
|
version = "1.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "strsim"
|
name = "strsim"
|
||||||
version = "0.11.1"
|
version = "0.11.1"
|
||||||
|
|
@ -1677,8 +2261,12 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
|
||||||
name = "supermetal_assignment"
|
name = "supermetal_assignment"
|
||||||
version = "0.1.0"
|
version = "0.1.0"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
|
"arrow",
|
||||||
"derive_more",
|
"derive_more",
|
||||||
|
"futures",
|
||||||
"mysql_async",
|
"mysql_async",
|
||||||
|
"mysql_common",
|
||||||
|
"parquet",
|
||||||
"testcontainers-modules",
|
"testcontainers-modules",
|
||||||
"time-test",
|
"time-test",
|
||||||
"tokio",
|
"tokio",
|
||||||
|
|
@ -1773,6 +2361,17 @@ dependencies = [
|
||||||
"syn",
|
"syn",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thrift"
|
||||||
|
version = "0.17.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "7e54bc85fc7faa8bc175c4bab5b92ba8d9a3ce893d0e9f42cc455c8ab16a9e09"
|
||||||
|
dependencies = [
|
||||||
|
"byteorder",
|
||||||
|
"integer-encoding",
|
||||||
|
"ordered-float",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "time"
|
name = "time"
|
||||||
version = "0.3.41"
|
version = "0.3.41"
|
||||||
|
|
@ -1813,6 +2412,15 @@ dependencies = [
|
||||||
"time",
|
"time",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tiny-keccak"
|
||||||
|
version = "2.0.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "2c9d3793400a45f954c52e73d068316d76b6f4e36977e3fcebb13a2721e80237"
|
||||||
|
dependencies = [
|
||||||
|
"crunchy",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "tinystr"
|
name = "tinystr"
|
||||||
version = "0.8.1"
|
version = "0.8.1"
|
||||||
|
|
@ -1947,6 +2555,16 @@ version = "0.2.5"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
|
checksum = "e421abadd41a4225275504ea4d6566923418b7f05506fbc9c0fe86ba7396114b"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "twox-hash"
|
||||||
|
version = "1.6.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "97fee6b57c6a41524a810daee9286c02d7752c4253064d0b05472833a438f675"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if",
|
||||||
|
"static_assertions",
|
||||||
|
]
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "twox-hash"
|
name = "twox-hash"
|
||||||
version = "2.1.1"
|
version = "2.1.1"
|
||||||
|
|
@ -2402,3 +3020,37 @@ dependencies = [
|
||||||
"quote",
|
"quote",
|
||||||
"syn",
|
"syn",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zlib-rs"
|
||||||
|
version = "0.5.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "626bd9fa9734751fc50d6060752170984d7053f5a39061f524cda68023d4db8a"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zstd"
|
||||||
|
version = "0.13.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e91ee311a569c327171651566e07972200e76fcfe2242a4fa446149a3881c08a"
|
||||||
|
dependencies = [
|
||||||
|
"zstd-safe",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zstd-safe"
|
||||||
|
version = "7.2.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "8f49c4d5f0abb602a93fb8736af2a4f4dd9512e36f7f570d66e65ff867ed3b9d"
|
||||||
|
dependencies = [
|
||||||
|
"zstd-sys",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "zstd-sys"
|
||||||
|
version = "2.0.15+zstd.1.5.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "eb81183ddd97d0c74cedf1d50d85c8d08c1b8b68ee863bdee9e706eedba1a237"
|
||||||
|
dependencies = [
|
||||||
|
"cc",
|
||||||
|
"pkg-config",
|
||||||
|
]
|
||||||
|
|
|
||||||
|
|
@ -4,8 +4,12 @@ version = "0.1.0"
|
||||||
edition = "2024"
|
edition = "2024"
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
|
arrow = "55"
|
||||||
derive_more = { version = "2", features = ["deref", "deref_mut"] }
|
derive_more = { version = "2", features = ["deref", "deref_mut"] }
|
||||||
mysql_async = "0.36"
|
futures = "0.3"
|
||||||
|
mysql_async = { version = "0.36", features = ["chrono"] }
|
||||||
|
mysql_common = "0.35"
|
||||||
|
parquet = { version = "55", features = ["async"] }
|
||||||
testcontainers-modules = { version = "0.12", features = ["mysql"] }
|
testcontainers-modules = { version = "0.12", features = ["mysql"] }
|
||||||
time-test = "0.3"
|
time-test = "0.3"
|
||||||
tokio = { version = "1", features = ["macros", "rt-multi-thread"] }
|
tokio = { version = "1", features = ["macros", "rt-multi-thread"] }
|
||||||
|
|
|
||||||
|
|
@ -27,6 +27,7 @@
|
||||||
rustfmt
|
rustfmt
|
||||||
rustPackages.clippy
|
rustPackages.clippy
|
||||||
llvmPackages.bintools
|
llvmPackages.bintools
|
||||||
|
parquet-tools
|
||||||
];
|
];
|
||||||
shellHook = ''
|
shellHook = ''
|
||||||
pre-commit install
|
pre-commit install
|
||||||
|
|
|
||||||
180
src/lib.rs
180
src/lib.rs
|
|
@ -1,8 +1,22 @@
|
||||||
use std::error::Error;
|
use std::sync::Arc;
|
||||||
|
|
||||||
use mysql_async::{Pool, prelude::*};
|
use arrow::{
|
||||||
|
array::{
|
||||||
|
Array, Date32Array, Int32Array, Int64Array, RecordBatch, StringArray,
|
||||||
|
TimestampMicrosecondArray,
|
||||||
|
},
|
||||||
|
datatypes::{DataType, Field, Schema, TimeUnit},
|
||||||
|
};
|
||||||
|
use futures::TryStreamExt;
|
||||||
|
use mysql_async::{Conn, Pool, params::Params, prelude::*};
|
||||||
|
use parquet::arrow::AsyncArrowWriter;
|
||||||
|
|
||||||
pub async fn load_data(pool: &Pool) -> Result<(), Box<dyn Error>> {
|
#[cfg(test)]
|
||||||
|
mod test;
|
||||||
|
|
||||||
|
type Error = Box<dyn std::error::Error + Send + Sync>;
|
||||||
|
|
||||||
|
pub async fn load_data(pool: &Pool) -> Result<(), Error> {
|
||||||
// Obviously use something better/more robust here if you're a) loading
|
// Obviously use something better/more robust here if you're a) loading
|
||||||
// other data sources and b) aren't so lucky as to have a single `;` after
|
// other data sources and b) aren't so lucky as to have a single `;` after
|
||||||
// each block of SQL. :)
|
// each block of SQL. :)
|
||||||
|
|
@ -10,54 +24,128 @@ pub async fn load_data(pool: &Pool) -> Result<(), Box<dyn Error>> {
|
||||||
for stmt in data.split(";") {
|
for stmt in data.split(";") {
|
||||||
if !stmt.trim().is_empty() {
|
if !stmt.trim().is_empty() {
|
||||||
let mut conn = pool.get_conn().await?;
|
let mut conn = pool.get_conn().await?;
|
||||||
conn.exec_drop(stmt, params::Params::Empty).await?;
|
conn.exec_drop(stmt, Params::Empty).await?;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
Ok(())
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
||||||
#[cfg(test)]
|
pub async fn convert_data(pool: &Pool, table: &str) -> Result<(), Error> {
|
||||||
mod test {
|
let mut conn = pool.get_conn().await?;
|
||||||
use std::error::Error;
|
let schema = discover_schema(&mut conn, table).await?;
|
||||||
|
let file = tokio::fs::File::create(format!("{table}.parquet")).await?;
|
||||||
use derive_more::{Deref, DerefMut};
|
let mut writer = AsyncArrowWriter::try_new(file, schema.clone(), Default::default())?;
|
||||||
|
const BATCH_SIZE: usize = 10000;
|
||||||
use mysql_async::Pool;
|
let mut rows = Vec::with_capacity(BATCH_SIZE); // Pre-allocate for efficiency
|
||||||
use testcontainers_modules::testcontainers::ContainerAsync;
|
let mut stream = conn
|
||||||
|
.exec_stream(format!("select * from {table}"), Params::Empty)
|
||||||
// This is a bit YOLO but is the quickest/cleanest way I can think of to a) get
|
|
||||||
// a connection per database and b) ensure `Drop` cleans it up.
|
|
||||||
#[derive(Deref, DerefMut)]
|
|
||||||
struct TestPool(
|
|
||||||
#[deref]
|
|
||||||
#[deref_mut]
|
|
||||||
Pool,
|
|
||||||
// Never read, only needed for `Drop`.
|
|
||||||
#[allow(dead_code)] ContainerAsync<testcontainers_modules::mysql::Mysql>,
|
|
||||||
);
|
|
||||||
|
|
||||||
impl TestPool {
|
|
||||||
async fn try_new() -> Result<TestPool, Box<dyn Error>> {
|
|
||||||
use testcontainers_modules::{mysql, testcontainers::runners::AsyncRunner};
|
|
||||||
let mysql = mysql::Mysql::default().start().await?;
|
|
||||||
let url = format!(
|
|
||||||
"mysql://root@{}:{}/test",
|
|
||||||
mysql.get_host().await?,
|
|
||||||
mysql.get_host_port_ipv4(3306).await?
|
|
||||||
);
|
|
||||||
let pool = Pool::from_url(&url)?;
|
|
||||||
Ok(TestPool(pool, mysql))
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[tokio::test]
|
|
||||||
async fn test_mysql() -> Result<(), Box<dyn std::error::Error>> {
|
|
||||||
let pool = TestPool::try_new().await?;
|
|
||||||
time_test::time_test!();
|
|
||||||
crate::load_data(&pool).await?;
|
|
||||||
<mysql_async::Pool as Clone>::clone(&pool)
|
|
||||||
.disconnect()
|
|
||||||
.await?;
|
.await?;
|
||||||
Ok(())
|
while let Some(row) = stream.try_next().await? {
|
||||||
|
rows.push(row);
|
||||||
|
if rows.len() >= BATCH_SIZE {
|
||||||
|
process_parquet(&mut rows, schema.clone(), &mut writer).await?;
|
||||||
}
|
}
|
||||||
|
}
|
||||||
|
if !rows.is_empty() {
|
||||||
|
process_parquet(&mut rows, schema.clone(), &mut writer).await?;
|
||||||
|
}
|
||||||
|
writer.close().await?;
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn discover_schema(conn: &mut Conn, table: &str) -> Result<Arc<Schema>, Error> {
|
||||||
|
let query = format!("DESCRIBE {}", table);
|
||||||
|
let rows: Vec<mysql_async::Row> = conn.exec(query, ()).await?;
|
||||||
|
let mut fields = Vec::new();
|
||||||
|
for row in rows {
|
||||||
|
let name: String = row.get("Field").unwrap();
|
||||||
|
let mysql_type: String = row.get("Type").unwrap();
|
||||||
|
let is_nullable: String = row.get("Null").unwrap();
|
||||||
|
let arrow_type = match mysql_type.as_str() {
|
||||||
|
t if t.starts_with("int") => DataType::Int32,
|
||||||
|
t if t.starts_with("bigint") => DataType::Int64,
|
||||||
|
t if t.starts_with("varchar") => DataType::Utf8,
|
||||||
|
t if t.starts_with("datetime") => DataType::Timestamp(TimeUnit::Microsecond, None),
|
||||||
|
t if t.starts_with("date") => DataType::Date32,
|
||||||
|
_ => DataType::Utf8,
|
||||||
|
};
|
||||||
|
let nullable = is_nullable == "YES";
|
||||||
|
fields.push(Field::new(name, arrow_type, nullable));
|
||||||
|
}
|
||||||
|
Ok(Arc::new(Schema::new(fields)))
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn process_parquet(
|
||||||
|
rows: &mut Vec<mysql_async::Row>,
|
||||||
|
schema: Arc<Schema>,
|
||||||
|
writer: &mut AsyncArrowWriter<tokio::fs::File>,
|
||||||
|
) -> Result<(), Error> {
|
||||||
|
if rows.is_empty() {
|
||||||
|
return Ok(());
|
||||||
|
}
|
||||||
|
let epoch = mysql_common::chrono::NaiveDate::from_ymd_opt(1970, 1, 1).unwrap();
|
||||||
|
let mut column_data: Vec<Box<dyn Array>> = Vec::new();
|
||||||
|
for field in schema.fields() {
|
||||||
|
let name = field.name();
|
||||||
|
println!("Importing {name}");
|
||||||
|
match field.data_type() {
|
||||||
|
DataType::Int32 => {
|
||||||
|
let values: Vec<Option<i32>> = rows
|
||||||
|
.iter()
|
||||||
|
.map(|row| row.get::<i32, _>(name.as_str()))
|
||||||
|
.collect();
|
||||||
|
column_data.push(Box::new(Int32Array::from(values)));
|
||||||
|
}
|
||||||
|
DataType::Int64 => {
|
||||||
|
let values: Vec<Option<i64>> = rows
|
||||||
|
.iter()
|
||||||
|
.map(|row| row.get::<i64, _>(name.as_str()))
|
||||||
|
.collect();
|
||||||
|
column_data.push(Box::new(Int64Array::from(values)));
|
||||||
|
}
|
||||||
|
DataType::Utf8 => {
|
||||||
|
let values: Vec<Option<String>> = rows
|
||||||
|
.iter()
|
||||||
|
.map(|row| row.get::<String, _>(name.as_str()))
|
||||||
|
.collect();
|
||||||
|
column_data.push(Box::new(StringArray::from(values)));
|
||||||
|
}
|
||||||
|
DataType::Timestamp(TimeUnit::Microsecond, None) => {
|
||||||
|
let values: Vec<Option<i64>> = rows
|
||||||
|
.iter()
|
||||||
|
.map(|row| {
|
||||||
|
// Convert MySQL datetime to microseconds since epoch
|
||||||
|
row.get::<mysql_common::chrono::NaiveDateTime, _>(name.as_str())
|
||||||
|
.map(|dt| dt.and_utc().timestamp_micros())
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
column_data.push(Box::new(TimestampMicrosecondArray::from(values)));
|
||||||
|
}
|
||||||
|
DataType::Date32 => {
|
||||||
|
let values: Vec<Option<i32>> = rows
|
||||||
|
.iter()
|
||||||
|
.map(|row| {
|
||||||
|
let date = row.get::<mysql_common::chrono::NaiveDate, _>(name.as_str());
|
||||||
|
Some((date.unwrap() - epoch).num_days() as i32)
|
||||||
|
})
|
||||||
|
.collect();
|
||||||
|
column_data.push(Box::new(Date32Array::from(values)));
|
||||||
|
}
|
||||||
|
_ => {
|
||||||
|
// Fallback to string for unknown types
|
||||||
|
let values: Vec<Option<String>> = rows
|
||||||
|
.iter()
|
||||||
|
.map(|row| row.get::<String, _>(name.as_str()))
|
||||||
|
.collect();
|
||||||
|
column_data.push(Box::new(StringArray::from(values)));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Convert to Arc<dyn Array> for RecordBatch
|
||||||
|
let columns: Vec<Arc<dyn Array>> = column_data.into_iter().map(|arr| arr.into()).collect();
|
||||||
|
let batch = RecordBatch::try_new(schema.clone(), columns)?;
|
||||||
|
writer.write(&batch).await?;
|
||||||
|
rows.clear();
|
||||||
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
|
||||||
43
src/test.rs
Normal file
43
src/test.rs
Normal file
|
|
@ -0,0 +1,43 @@
|
||||||
|
use derive_more::{Deref, DerefMut};
|
||||||
|
use mysql_async::Pool;
|
||||||
|
use testcontainers_modules::testcontainers::ContainerAsync;
|
||||||
|
|
||||||
|
use crate::Error;
|
||||||
|
|
||||||
|
// This is a bit YOLO but is the quickest/cleanest way I can think of to a) get
|
||||||
|
// a connection per database and b) ensure `Drop` cleans it up.
|
||||||
|
#[derive(Deref, DerefMut)]
|
||||||
|
struct TestPool(
|
||||||
|
#[deref]
|
||||||
|
#[deref_mut]
|
||||||
|
Pool,
|
||||||
|
// Never read, only needed for `Drop`.
|
||||||
|
#[allow(dead_code)] ContainerAsync<testcontainers_modules::mysql::Mysql>,
|
||||||
|
);
|
||||||
|
|
||||||
|
impl TestPool {
|
||||||
|
async fn try_new() -> Result<TestPool, Error> {
|
||||||
|
use testcontainers_modules::{mysql, testcontainers::runners::AsyncRunner};
|
||||||
|
let mysql = mysql::Mysql::default().start().await?;
|
||||||
|
let url = format!(
|
||||||
|
"mysql://root@{}:{}/test",
|
||||||
|
mysql.get_host().await?,
|
||||||
|
mysql.get_host_port_ipv4(3306).await?
|
||||||
|
);
|
||||||
|
let pool = Pool::from_url(&url)?;
|
||||||
|
Ok(TestPool(pool, mysql))
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[tokio::test]
|
||||||
|
async fn test_mysql() -> Result<(), Error> {
|
||||||
|
let pool = TestPool::try_new().await?;
|
||||||
|
crate::load_data(&pool).await?;
|
||||||
|
time_test::time_test!();
|
||||||
|
crate::convert_data(&pool, "employees").await?;
|
||||||
|
crate::convert_data(&pool, "departments").await?;
|
||||||
|
<mysql_async::Pool as Clone>::clone(&pool)
|
||||||
|
.disconnect()
|
||||||
|
.await?;
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
Loading…
Add table
Add a link
Reference in a new issue