Enable sqlx offline mode, add sqlx-data.json

Cargo.lock

@@ -230,6 +230,12 @@ dependencies = [
  "safemem",
 ]
 
+[[package]]
+name = "build_const"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39092a32794787acd8525ee150305ff051b0aa6cc2abaf193924f5ab05425f39"
+
 [[package]]
 name = "byte-tools"
 version = "0.3.1"
@@ -338,6 +344,15 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8aebca1129a03dc6dc2b127edd729435bbc4a37e1d5f4d7513165089ceb02634"
 
+[[package]]
+name = "crc"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d663548de7f5cca343f1e0a48d14dcfb0e9eb4e079ec58883b7251539fa10aeb"
+dependencies = [
+ "build_const",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.2.0"
@@ -424,6 +439,9 @@ name = "either"
 version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "fake-simd"
@@ -1679,6 +1697,7 @@ dependencies = [
  "byteorder",
  "bytes",
  "chrono",
+ "crc",
  "crossbeam-channel",
  "crossbeam-queue",
  "crossbeam-utils",
@@ -1722,9 +1741,12 @@ dependencies = [
  "either",
  "futures",
  "heck",
+ "hex",
  "proc-macro2",
  "quote",
+ "serde",
  "serde_json",
+ "sha2",
  "sqlx-core",
  "sqlx-rt",
  "syn",

Cargo.toml

@@ -18,7 +18,7 @@ listenfd = "0.3"
 mime = "0.3"
 openssl-probe = "0.1"
 tokio = { version = "0.2", features = ["macros", "rt-threaded", "sync"] }
-sqlx = { git = "https://github.com/launchbadge/sqlx", branch = "master", default-features = false, features = [ "runtime-tokio", "macros", "postgres", "chrono", "uuid", "ipnetwork", "json" ] }
+sqlx = { git = "https://github.com/launchbadge/sqlx", branch = "master", default-features = false, features = [ "runtime-tokio", "macros", "postgres", "chrono", "uuid", "ipnetwork", "json", "migrate", "offline" ] }
 warp = { version = "0.2", features = ["compression"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"