diff --git a/.sqlx/query-481edabd076d347adade420c156f8de4837e8724a405e7f2b482efe074d97202.json b/.sqlx/query-481edabd076d347adade420c156f8de4837e8724a405e7f2b482efe074d97202.json
new file mode 100644
index 0000000..7d2da40
--- /dev/null
+++ b/.sqlx/query-481edabd076d347adade420c156f8de4837e8724a405e7f2b482efe074d97202.json
@@ -0,0 +1,26 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "select sum(quantity) as \"sq!\", gift_name as \"gift_name!\"\n        from orders group by gift_name order by \"sq!\" desc",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "sq!",
+        "type_info": "Int8"
+      },
+      {
+        "ordinal": 1,
+        "name": "gift_name!",
+        "type_info": "Varchar"
+      }
+    ],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": [
+      null,
+      true
+    ]
+  },
+  "hash": "481edabd076d347adade420c156f8de4837e8724a405e7f2b482efe074d97202"
+}
diff --git a/.sqlx/query-88135be668c1dc477dbc82457143a69be357317bf56a2d9a2bd7a8df0fe35ea1.json b/.sqlx/query-88135be668c1dc477dbc82457143a69be357317bf56a2d9a2bd7a8df0fe35ea1.json
new file mode 100644
index 0000000..2854a3c
--- /dev/null
+++ b/.sqlx/query-88135be668c1dc477dbc82457143a69be357317bf56a2d9a2bd7a8df0fe35ea1.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "drop table if exists orders",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": []
+  },
+  "hash": "88135be668c1dc477dbc82457143a69be357317bf56a2d9a2bd7a8df0fe35ea1"
+}
diff --git a/.sqlx/query-999e92afab546f22ce9ddf32100053ee54863b302c966cf09ecc5e6c68006138.json b/.sqlx/query-999e92afab546f22ce9ddf32100053ee54863b302c966cf09ecc5e6c68006138.json
new file mode 100644
index 0000000..53c3a03
--- /dev/null
+++ b/.sqlx/query-999e92afab546f22ce9ddf32100053ee54863b302c966cf09ecc5e6c68006138.json
@@ -0,0 +1,20 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "select 20231213 as \"i32!\"",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "i32!",
+        "type_info": "Int4"
+      }
+    ],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "999e92afab546f22ce9ddf32100053ee54863b302c966cf09ecc5e6c68006138"
+}
diff --git a/.sqlx/query-a85986b4dd4eb8c6e86b01ad38d0b9558d5519d218ee25a6a3bb64d0c6f49c61.json b/.sqlx/query-a85986b4dd4eb8c6e86b01ad38d0b9558d5519d218ee25a6a3bb64d0c6f49c61.json
new file mode 100644
index 0000000..a04838d
--- /dev/null
+++ b/.sqlx/query-a85986b4dd4eb8c6e86b01ad38d0b9558d5519d218ee25a6a3bb64d0c6f49c61.json
@@ -0,0 +1,12 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "create table orders (\n            id INT PRIMARY KEY,\n            region_id INT,\n            gift_name VARCHAR(50),\n            quantity INT\n        )",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": []
+  },
+  "hash": "a85986b4dd4eb8c6e86b01ad38d0b9558d5519d218ee25a6a3bb64d0c6f49c61"
+}
diff --git a/.sqlx/query-c4dfa427b5f37d179d841d21c84eb2e888ce6dcd363cc977745c78ebba20a235.json b/.sqlx/query-c4dfa427b5f37d179d841d21c84eb2e888ce6dcd363cc977745c78ebba20a235.json
new file mode 100644
index 0000000..147786c
--- /dev/null
+++ b/.sqlx/query-c4dfa427b5f37d179d841d21c84eb2e888ce6dcd363cc977745c78ebba20a235.json
@@ -0,0 +1,20 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "select sum(quantity) as \"i64!\" from orders",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "i64!",
+        "type_info": "Int8"
+      }
+    ],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": [
+      null
+    ]
+  },
+  "hash": "c4dfa427b5f37d179d841d21c84eb2e888ce6dcd363cc977745c78ebba20a235"
+}
diff --git a/.sqlx/query-ccbff69b8a38164440e28d068c9c8bf243905145c4c7825f9804057b59f06c1c.json b/.sqlx/query-ccbff69b8a38164440e28d068c9c8bf243905145c4c7825f9804057b59f06c1c.json
new file mode 100644
index 0000000..fcccd36
--- /dev/null
+++ b/.sqlx/query-ccbff69b8a38164440e28d068c9c8bf243905145c4c7825f9804057b59f06c1c.json
@@ -0,0 +1,17 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "insert into orders values ($1, $2, $3, $4)",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Int4",
+        "Int4",
+        "Varchar",
+        "Int4"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "ccbff69b8a38164440e28d068c9c8bf243905145c4c7825f9804057b59f06c1c"
+}
diff --git a/Cargo.lock b/Cargo.lock
index 02b43f3..4a5210b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,19 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "ahash"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91429305e9f0a25f6205c5b8e0d2db09e0708a7a6df0f42212bb56c32c8ac97a"
+dependencies = [
+ "cfg-if",
+ "getrandom",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.2"
@@ -26,6 +39,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0942ffc6dcaadf03badf6e6a2d0228460359d5e34b57ccdc720b7382dfbd5ec5"
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -86,6 +105,25 @@ dependencies = [
  "syn 2.0.39",
 ]
 
+[[package]]
+name = "atoi"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f28d99ec8bfea296261ca1af174f24225171fea9664ba9003cbebee704810528"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "atomic-write-file"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "edcdbedc2236483ab103a53415653d6b4442ea6141baf1ffa85df29635e88436"
+dependencies = [
+ "nix",
+ "rand",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -249,6 +287,12 @@ version = "0.21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "35636a1494ede3b646cc98f74f8e62c773a38a659ebc777a2cf26b9b74171df9"
 
+[[package]]
+name = "base64ct"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
+
 [[package]]
 name = "bit_field"
 version = "0.10.2"
@@ -266,6 +310,9 @@ name = "bitflags"
 version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "327762f6e5a765692301e5bb513e0d9fef63be86bbc14528052b1cd3e6f03e07"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "block-buffer"
@@ -323,6 +370,8 @@ dependencies = [
  "serde_json",
  "shuttle-axum",
  "shuttle-runtime",
+ "shuttle-shared-db",
+ "sqlx",
  "tokio",
  "tower-http 0.5.0",
  "tracing",
@@ -378,6 +427,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "const-oid"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28c122c3980598d243d63d9a704629a2d748d101f278052ff068be5a4423ab6f"
+
 [[package]]
 name = "core-foundation"
 version = "0.9.4"
@@ -403,6 +458,21 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "crc"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "86ec7a15cbe22e59248fc7eadb1907dab5ba09372595da4d73dd805ed4417dfe"
+dependencies = [
+ "crc-catalog",
+]
+
+[[package]]
+name = "crc-catalog"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -446,6 +516,16 @@ dependencies = [
  "scopeguard",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1cfb3ea8a53f37c40dea2c7bedcbd88bdfae54f5e2175d6ecaff1c988353add"
+dependencies = [
+ "cfg-if",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.16"
@@ -512,6 +592,17 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "der"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fffa369a668c8af7dbf8b5e56c9f744fbd399949ed171606040001947de40b1c"
+dependencies = [
+ "const-oid",
+ "pem-rfc7468",
+ "zeroize",
+]
+
 [[package]]
 name = "deranged"
 version = "0.3.10"
@@ -528,7 +619,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
+ "const-oid",
  "crypto-common",
+ "subtle",
 ]
 
 [[package]]
@@ -537,11 +630,20 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"
 
+[[package]]
+name = "dotenvy"
+version = "0.15.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
+
 [[package]]
 name = "either"
 version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "encoding_rs"
@@ -568,6 +670,23 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "etcetera"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "136d1b5283a1ab77bd9257427ffd09d8667ced0570b6f938942bc7568ed5b943"
+dependencies = [
+ "cfg-if",
+ "home",
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "event-listener"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+
 [[package]]
 name = "exr"
 version = "1.71.0"
@@ -621,7 +740,9 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55ac459de2512911e4b674ce33cf20befaba382d05b62b008afc1c8b57cbf181"
 dependencies = [
- "spin",
+ "futures-core",
+ "futures-sink",
+ "spin 0.9.8",
 ]
 
 [[package]]
@@ -661,6 +782,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff4dd66668b557604244583e3e1e1eada8c5c2e96a6d0d6653ede395b78bbacb"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -680,6 +802,23 @@ dependencies = [
  "futures-util",
 ]
 
+[[package]]
+name = "futures-intrusive"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d930c203dd0b6ff06e0201a4a2fe9149b43c684fd4420555b26d21b1a02956f"
+dependencies = [
+ "futures-core",
+ "lock_api",
+ "parking_lot",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bf34a163b5c4c52d0478a4d757da8fb65cabef42ba90515efee0f6f9fa45aaa"
+
 [[package]]
 name = "futures-macro"
 version = "0.3.29"
@@ -710,9 +849,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a19526d624e703a3179b3d322efec918b6246ea0fa51d41124525f00f1cc8104"
 dependencies = [
  "futures-core",
+ "futures-io",
  "futures-macro",
  "futures-sink",
  "futures-task",
+ "memchr",
  "pin-project-lite",
  "pin-utils",
  "slab",
@@ -821,6 +962,19 @@ name = "hashbrown"
 version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+dependencies = [
+ "ahash",
+ "allocator-api2",
+]
+
+[[package]]
+name = "hashlink"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8094feaf31ff591f651a2664fb9cfd92bba7a60ce3197265e9482ebe753c8f7"
+dependencies = [
+ "hashbrown 0.14.3",
+]
 
 [[package]]
 name = "headers"
@@ -875,6 +1029,9 @@ name = "heck"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+dependencies = [
+ "unicode-segmentation",
+]
 
 [[package]]
 name = "hermit-abi"
@@ -882,6 +1039,39 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d77f7ec81a6d05a3abb01ab6eb7590f6083d08449fe5a1c8b1e620283546ccb7"
 
+[[package]]
+name = "hex"
+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",
+]
+
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
+[[package]]
+name = "home"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "http"
 version = "0.2.11"
@@ -1157,6 +1347,15 @@ dependencies = [
  "either",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25db6b064527c5d482d0423354fcd07a89a2dfe07b67892e62411946db7f07b0"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"
@@ -1201,6 +1400,9 @@ name = "lazy_static"
 version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+dependencies = [
+ "spin 0.5.2",
+]
 
 [[package]]
 name = "lebe"
@@ -1214,6 +1416,23 @@ version = "0.2.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
 
+[[package]]
+name = "libm"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ec2a862134d2a7d32d7983ddcdd1c4923530833c9f2ea1a44fc5fa473989058"
+
+[[package]]
+name = "libsqlite3-sys"
+version = "0.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf4e226dcd58b4be396f7bd3c20da8fdee2911400705297ba7d2d7cc2c30f716"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "linked-hash-map"
 version = "0.5.6"
@@ -1257,6 +1476,16 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
 
+[[package]]
+name = "md-5"
+version = "0.10.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d89e7ee0cfbedfc4da3340218492196241d89eefb6dab27de5df917a6d2e78cf"
+dependencies = [
+ "cfg-if",
+ "digest",
+]
+
 [[package]]
 name = "memchr"
 version = "2.6.4"
@@ -1288,6 +1517,12 @@ dependencies = [
  "unicase",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "miniz_oxide"
 version = "0.7.1"
@@ -1324,7 +1559,7 @@ dependencies = [
  "log",
  "memchr",
  "mime",
- "spin",
+ "spin 0.9.8",
  "version_check",
 ]
 
@@ -1346,6 +1581,27 @@ dependencies = [
  "tempfile",
 ]
 
+[[package]]
+name = "nix"
+version = "0.27.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2eb04e9c688eff1c89d72b407f168cf79bb9e867a9d3323ed6c01519eb9cc053"
+dependencies = [
+ "bitflags 2.4.1",
+ "cfg-if",
+ "libc",
+]
+
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.46.0"
@@ -1367,6 +1623,23 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-bigint-dig"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc84195820f291c7697304f3cbdadd1cb7199c0efc917ff5eafd71225c136151"
+dependencies = [
+ "byteorder",
+ "lazy_static",
+ "libm",
+ "num-integer",
+ "num-iter",
+ "num-traits",
+ "rand",
+ "smallvec",
+ "zeroize",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.45"
@@ -1377,6 +1650,17 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-iter"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d03e6c028c5dc5cac6e2dec0efda81fc887605bb3d884578bb6d6bf7514e252"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-rational"
 version = "0.4.1"
@@ -1395,6 +1679,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39e3200413f237f41ab11ad6d161bc7239c84dcb631773ccd7de3dfe4b5c267c"
 dependencies = [
  "autocfg",
+ "libm",
 ]
 
 [[package]]
@@ -1609,6 +1894,12 @@ dependencies = [
  "windows-targets 0.48.5",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
+
 [[package]]
 name = "pem"
 version = "3.0.2"
@@ -1619,6 +1910,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "pem-rfc7468"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88b39c9bfcfc231068454382784bb460aae594343fb030d46e9f50a645418412"
+dependencies = [
+ "base64ct",
+]
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.1"
@@ -1657,6 +1957,27 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "pkcs1"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8ffb9f10fa047879315e6625af03c164b16962a5368d724ed16323b68ace47f"
+dependencies = [
+ "der",
+ "pkcs8",
+ "spki",
+]
+
+[[package]]
+name = "pkcs8"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f950b2377845cebe5cf8b5165cb3cc1a5e0fa5cfa3e1f7f55707d8fd82e0a7b7"
+dependencies = [
+ "der",
+ "spki",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.27"
@@ -1944,11 +2265,31 @@ dependencies = [
  "cc",
  "getrandom",
  "libc",
- "spin",
+ "spin 0.9.8",
  "untrusted",
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "rsa"
+version = "0.9.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d0e5124fcb30e76a7e79bfee683a2746db83784b86289f6251b54b7950a0dfc"
+dependencies = [
+ "const-oid",
+ "digest",
+ "num-bigint-dig",
+ "num-integer",
+ "num-traits",
+ "pkcs1",
+ "pkcs8",
+ "rand_core",
+ "signature",
+ "spki",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "rustc-demangle"
 version = "0.1.23"
@@ -2114,6 +2455,17 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "793db75ad2bcafc3ffa7c68b215fee268f537982cd901d132f89c6343f3a3dc8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -2147,9 +2499,9 @@ dependencies = [
 
 [[package]]
 name = "shuttle-common"
-version = "0.35.0"
+version = "0.35.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad586504f3453786f8994e92bb1d6497eb27f89ce5c308eedb56c62b6d698def"
+checksum = "7e1ba1b036ce303eba6982c7a9d43021d121ccba84db43c3c264f8bf22b6bdb7"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -2230,9 +2582,9 @@ dependencies = [
 
 [[package]]
 name = "shuttle-service"
-version = "0.35.0"
+version = "0.35.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a83831eaa185d65300efc0e3bf41e8b5a80bc2dfd2d26228cf20124770192e01"
+checksum = "46d7b998a1137b4aa55190549b1ab71c5c834531776358599925ed23c27e4b86"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -2242,6 +2594,18 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "shuttle-shared-db"
+version = "0.35.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a4400d2d94c874fa6c07f8bec2e1a45e38bafee44903cb9a0a513cc17cd323e"
+dependencies = [
+ "async-trait",
+ "serde",
+ "shuttle-service",
+ "sqlx",
+]
+
 [[package]]
 name = "signal-hook"
 version = "0.3.17"
@@ -2272,6 +2636,16 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "signature"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
+dependencies = [
+ "digest",
+ "rand_core",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.7"
@@ -2325,6 +2699,12 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "spin"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
+
 [[package]]
 name = "spin"
 version = "0.9.8"
@@ -2334,12 +2714,242 @@ dependencies = [
  "lock_api",
 ]
 
+[[package]]
+name = "spki"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
+dependencies = [
+ "base64ct",
+ "der",
+]
+
+[[package]]
+name = "sqlformat"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce81b7bd7c4493975347ef60d8c7e8b742d4694f4c49f93e0a12ea263938176c"
+dependencies = [
+ "itertools 0.12.0",
+ "nom",
+ "unicode_categories",
+]
+
+[[package]]
+name = "sqlx"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dba03c279da73694ef99763320dea58b51095dfe87d001b1d4b5fe78ba8763cf"
+dependencies = [
+ "sqlx-core",
+ "sqlx-macros",
+ "sqlx-mysql",
+ "sqlx-postgres",
+ "sqlx-sqlite",
+]
+
+[[package]]
+name = "sqlx-core"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d84b0a3c3739e220d94b3239fd69fb1f74bc36e16643423bd99de3b43c21bfbd"
+dependencies = [
+ "ahash",
+ "atoi",
+ "byteorder",
+ "bytes",
+ "crc",
+ "crossbeam-queue",
+ "dotenvy",
+ "either",
+ "event-listener",
+ "futures-channel",
+ "futures-core",
+ "futures-intrusive",
+ "futures-io",
+ "futures-util",
+ "hashlink",
+ "hex",
+ "indexmap 2.1.0",
+ "log",
+ "memchr",
+ "native-tls",
+ "once_cell",
+ "paste",
+ "percent-encoding",
+ "serde",
+ "serde_json",
+ "sha2",
+ "smallvec",
+ "sqlformat",
+ "thiserror",
+ "tokio",
+ "tokio-stream",
+ "tracing",
+ "url",
+]
+
+[[package]]
+name = "sqlx-macros"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89961c00dc4d7dffb7aee214964b065072bff69e36ddb9e2c107541f75e4f2a5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "sqlx-core",
+ "sqlx-macros-core",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "sqlx-macros-core"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d0bd4519486723648186a08785143599760f7cc81c52334a55d6a83ea1e20841"
+dependencies = [
+ "atomic-write-file",
+ "dotenvy",
+ "either",
+ "heck",
+ "hex",
+ "once_cell",
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "sha2",
+ "sqlx-core",
+ "sqlx-mysql",
+ "sqlx-postgres",
+ "sqlx-sqlite",
+ "syn 1.0.109",
+ "tempfile",
+ "tokio",
+ "url",
+]
+
+[[package]]
+name = "sqlx-mysql"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e37195395df71fd068f6e2082247891bc11e3289624bbc776a0cdfa1ca7f1ea4"
+dependencies = [
+ "atoi",
+ "base64",
+ "bitflags 2.4.1",
+ "byteorder",
+ "bytes",
+ "crc",
+ "digest",
+ "dotenvy",
+ "either",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "generic-array",
+ "hex",
+ "hkdf",
+ "hmac",
+ "itoa",
+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "percent-encoding",
+ "rand",
+ "rsa",
+ "serde",
+ "sha1",
+ "sha2",
+ "smallvec",
+ "sqlx-core",
+ "stringprep",
+ "thiserror",
+ "tracing",
+ "whoami",
+]
+
+[[package]]
+name = "sqlx-postgres"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6ac0ac3b7ccd10cc96c7ab29791a7dd236bd94021f31eec7ba3d46a74aa1c24"
+dependencies = [
+ "atoi",
+ "base64",
+ "bitflags 2.4.1",
+ "byteorder",
+ "crc",
+ "dotenvy",
+ "etcetera",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "hex",
+ "hkdf",
+ "hmac",
+ "home",
+ "itoa",
+ "log",
+ "md-5",
+ "memchr",
+ "once_cell",
+ "rand",
+ "serde",
+ "serde_json",
+ "sha1",
+ "sha2",
+ "smallvec",
+ "sqlx-core",
+ "stringprep",
+ "thiserror",
+ "tracing",
+ "whoami",
+]
+
+[[package]]
+name = "sqlx-sqlite"
+version = "0.7.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "210976b7d948c7ba9fced8ca835b11cbb2d677c59c79de41ac0d397e14547490"
+dependencies = [
+ "atoi",
+ "flume",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-intrusive",
+ "futures-util",
+ "libsqlite3-sys",
+ "log",
+ "percent-encoding",
+ "serde",
+ "sqlx-core",
+ "tracing",
+ "url",
+ "urlencoding",
+]
+
 [[package]]
 name = "strfmt"
 version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a8348af2d9fc3258c8733b8d9d8db2e56f54b2363a4b5b81585c7875ed65e65"
 
+[[package]]
+name = "stringprep"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb41d74e231a107a1b4ee36bd1214b11285b77768d2e3824aedafa988fd36ee6"
+dependencies = [
+ "finl_unicode",
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -2387,6 +2997,12 @@ dependencies = [
  "syn 2.0.39",
 ]
 
+[[package]]
+name = "subtle"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81cdd64d312baedb58e21336b31bc043b77e01cc99033ce76ef539f78e965ebc"
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -2895,12 +3511,24 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1dd624098567895118886609431a7c3b8f516e41d30e0643f03d94592a147e36"
+
 [[package]]
 name = "unicode-width"
 version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
 
+[[package]]
+name = "unicode_categories"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -3060,6 +3688,12 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
 
+[[package]]
+name = "whoami"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "22fc3756b8a9133049b26c7f61ab35416c130e8c09b660f5b3958b446f52cc50"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -3233,6 +3867,26 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "zerocopy"
+version = "0.7.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "306dca4455518f1f31635ec308b6b3e4eb1b11758cefafc782827d0aa7acb5c7"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be912bf68235a88fbefd1b73415cb218405958d1655b2ece9035a19920bdf6ba"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.39",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.7.0"
diff --git a/Cargo.toml b/Cargo.toml
index 9268bbb..6585514 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,8 @@ serde = { version = "1.0.193", features = ["derive"] }
 serde_json = "1.0.108"
 shuttle-axum = { version = "0.35.0", default-features = false, features = ["axum-0-7"] }
 shuttle-runtime = "0.35.0"
+shuttle-shared-db = { version = "0.35.1", features = ["postgres"] }
+sqlx = { version = "0.7.3", features = ["postgres", "runtime-tokio-native-tls"] }
 tokio = "1.34.0"
 tower-http = { version = "0.5.0", features = ["fs"] }
 tracing = "0.1.40"
diff --git a/src/cal/day13.rs b/src/cal/day13.rs
new file mode 100644
index 0000000..52da357
--- /dev/null
+++ b/src/cal/day13.rs
@@ -0,0 +1,110 @@
+use axum::{
+    extract::State,
+    http::StatusCode,
+    response::IntoResponse,
+    routing::{get, post},
+    Json, Router,
+};
+
+#[derive(Clone)]
+struct Day13State {
+    pool: sqlx::PgPool,
+}
+
+pub(crate) fn router(pool: sqlx::PgPool) -> Router {
+    Router::new()
+        .route("/13/sql", get(sql))
+        .route("/13/reset", post(reset))
+        .route("/13/orders", post(orders))
+        .route("/13/orders/total", get(total))
+        .route("/13/orders/popular", get(popular))
+        .with_state(Day13State { pool })
+}
+
+async fn sql(State(state): State<Day13State>) -> Result<impl IntoResponse, (StatusCode, String)> {
+    Ok(sqlx::query!("select 20231213 as \"i32!\"")
+        .fetch_one(&state.pool)
+        .await
+        .map_err(|e| (StatusCode::BAD_REQUEST, e.to_string()))?
+        .i32
+        .to_string())
+}
+
+async fn reset(State(state): State<Day13State>) -> Result<StatusCode, StatusCode> {
+    sqlx::query!("drop table if exists orders")
+        .execute(&state.pool)
+        .await
+        .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+    sqlx::query!(
+        "create table orders (
+            id INT PRIMARY KEY,
+            region_id INT,
+            gift_name VARCHAR(50),
+            quantity INT
+        )"
+    )
+    .execute(&state.pool)
+    .await
+    .map_err(|_| StatusCode::INTERNAL_SERVER_ERROR)?;
+    Ok(StatusCode::OK)
+}
+
+#[derive(serde::Deserialize)]
+struct Order {
+    id: i32,
+    region_id: i32,
+    gift_name: String,
+    quantity: i32,
+}
+
+async fn orders(
+    State(state): State<Day13State>,
+    Json(orders): Json<Vec<Order>>,
+) -> Result<StatusCode, (StatusCode, String)> {
+    for Order {
+        id,
+        region_id,
+        gift_name,
+        quantity,
+    } in orders
+    {
+        sqlx::query!(
+            "insert into orders values ($1, $2, $3, $4)",
+            id,
+            region_id,
+            gift_name,
+            quantity
+        )
+        .execute(&state.pool)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    }
+    Ok(StatusCode::OK)
+}
+
+async fn total(State(state): State<Day13State>) -> Result<impl IntoResponse, (StatusCode, String)> {
+    let total = sqlx::query!("select sum(quantity) as \"i64!\" from orders")
+        .fetch_one(&state.pool)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?
+        .i64;
+    Ok(format!("{{\"total\":{total}}}"))
+}
+
+async fn popular(
+    State(state): State<Day13State>,
+) -> Result<impl IntoResponse, (StatusCode, String)> {
+    let gifts = sqlx::query!(
+        "select sum(quantity) as \"sq!\", gift_name as \"gift_name!\"
+        from orders group by gift_name order by \"sq!\" desc"
+    )
+    .fetch_all(&state.pool)
+    .await
+    .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+    match gifts.len() {
+        0 => Ok("{\"popular\":null}".to_string()),
+        1 => Ok(format!("{{\"popular\":\"{}\"}}", gifts[0].gift_name)),
+        _ if gifts[0].sq == gifts[1].sq => Ok("{\"popular\":null}".to_string()),
+        _ => Ok(format!("{{\"popular\":\"{}\"}}", gifts[0].gift_name)),
+    }
+}
diff --git a/src/cal/mod.rs b/src/cal/mod.rs
index ada9dec..19b86c6 100644
--- a/src/cal/mod.rs
+++ b/src/cal/mod.rs
@@ -6,8 +6,9 @@ mod day07;
 mod day08;
 mod day11;
 mod day12;
+mod day13;
 
-pub(crate) fn router() -> axum::Router {
+pub(crate) fn router(pool: sqlx::PgPool) -> axum::Router {
     axum::Router::new()
         .nest("/", day00::router())
         .nest("/", day01::router())
@@ -17,4 +18,5 @@ pub(crate) fn router() -> axum::Router {
         .nest("/", day08::router())
         .nest("/", day11::router())
         .nest("/", day12::router())
+        .nest("/", day13::router(pool))
 }
diff --git a/src/main.rs b/src/main.rs
index e54ff99..5590c7e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,6 @@
 mod cal;
 
 #[shuttle_runtime::main]
-async fn main() -> shuttle_axum::ShuttleAxum {
-    Ok(axum::Router::new().nest("/", cal::router()).into())
+async fn main(#[shuttle_shared_db::Postgres] pool: sqlx::PgPool) -> shuttle_axum::ShuttleAxum {
+    Ok(axum::Router::new().nest("/", cal::router(pool)).into())
 }