switch to postgresql (#1763)

switch sqlx to postgresql

backend/Cargo.lock

@@ -982,6 +982,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "dirs"
+version = "4.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca3aa72a6f96ea37bbc5aa912f6788242832f75369bdfdadcb0e38423f100059"
+dependencies = [
+ "dirs-sys",
+]
+
 [[package]]
 name = "dirs-next"
 version = "2.0.0"
@@ -992,6 +1001,17 @@ dependencies = [
  "dirs-sys-next",
 ]
 
+[[package]]
+name = "dirs-sys"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
+dependencies = [
+ "libc",
+ "redox_users 0.4.3",
+ "winapi",
+]
+
 [[package]]
 name = "dirs-sys-next"
 version = "0.1.2"
@@ -1302,18 +1322,6 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
-[[package]]
-name = "flume"
-version = "0.10.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1657b4441c3403d9f7b3409e47575237dac27b1b5726df654a6ecbf92f0f7577"
-dependencies = [
- "futures-core",
- "futures-sink",
- "pin-project",
- "spin 0.9.4",
-]
-
 [[package]]
 name = "fnv"
 version = "1.0.7"
@@ -1641,6 +1649,15 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
+[[package]]
+name = "hkdf"
+version = "0.12.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "791a029f6b9fc27657f6f188ec6e5e43f6911f6f878e0dc5501396e09809d437"
+dependencies = [
+ "hmac 0.12.1",
+]
+
 [[package]]
 name = "hmac"
 version = "0.11.0"
@@ -2151,17 +2168,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "libsqlite3-sys"
-version = "0.24.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "898745e570c7d0453cc1fbc4a701eb6c662ed54e8fec8b7d14be137ebeeb9d14"
-dependencies = [
- "cc",
- "pkg-config",
- "vcpkg",
-]
-
 [[package]]
 name = "linked-hash-map"
 version = "0.5.6"
@@ -2213,6 +2219,15 @@ dependencies = [
  "opaque-debug",
 ]
 
+[[package]]
+name = "md-5"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "658646b21e0b72f7866c7038ab086d3d5e1cd6271f060fd37defb241949d0582"
+dependencies = [
+ "digest 0.10.3",
+]
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -2509,7 +2524,7 @@ checksum = "e7249a699cdeea261ac73f1bf9350777cb867324f44373aafb5a287365bf1771"
 dependencies = [
  "base64 0.13.0",
  "byteorder",
- "md-5",
+ "md-5 0.9.1",
  "sha2 0.9.9",
  "thiserror",
 ]
@@ -3219,7 +3234,7 @@ dependencies = [
  "cc",
  "libc",
  "once_cell",
- "spin 0.5.2",
+ "spin",
  "untrusted",
  "web-sys",
  "winapi",
@@ -3725,15 +3740,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
-[[package]]
-name = "spin"
-version = "0.9.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f6002a767bff9e83f8eeecf883ecb8011875a21ae8da43bffb817a57e78cc09"
-dependencies = [
- "lock_api",
-]
-
 [[package]]
 name = "spki"
 version = "0.6.0"
@@ -3773,34 +3779,39 @@ checksum = "6b69bf218860335ddda60d6ce85ee39f6cf6e5630e300e19757d1de15886a093"
 dependencies = [
  "ahash",
  "atoi",
+ "base64 0.13.0",
  "bitflags",
  "byteorder",
  "bytes",
  "chrono",
  "crc",
  "crossbeam-queue",
+ "dirs 4.0.0",
  "either",
  "event-listener",
- "flume",
  "futures-channel",
  "futures-core",
- "futures-executor",
  "futures-intrusive",
  "futures-util",
  "hashlink",
  "hex",
+ "hkdf",
+ "hmac 0.12.1",
  "indexmap",
  "itoa 1.0.2",
  "libc",
- "libsqlite3-sys",
  "log",
+ "md-5 0.10.1",
  "memchr",
  "once_cell",
  "paste",
  "percent-encoding",
+ "rand 0.8.5",
  "rustls",
  "rustls-pemfile",
  "serde",
+ "serde_json",
+ "sha-1",
  "sha2 0.10.2",
  "smallvec",
  "sqlformat",
@@ -3810,6 +3821,7 @@ dependencies = [
  "tokio-stream",
  "url",
  "webpki-roots",
+ "whoami",
 ]
 
 [[package]]
@@ -4356,7 +4368,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edd106a334b7657c10b7c540a0106114feadeb4dc314513e97df481d5d966f42"
 dependencies = [
  "byteorder",
- "dirs",
+ "dirs 1.0.5",
  "winapi",
 ]
 
@@ -5167,6 +5179,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "whoami"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "524b58fa5a20a2fb3014dd6358b70e6579692a56ef6fce928834e488f42f65e8"
+dependencies = [
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"