diff --git a/flowdb/testdata/synthetic_data/Pipfile.lock b/flowdb/testdata/synthetic_data/Pipfile.lock
index d76f878f0a..3dcf760802 100644
--- a/flowdb/testdata/synthetic_data/Pipfile.lock
+++ b/flowdb/testdata/synthetic_data/Pipfile.lock
@@ -380,52 +380,52 @@
         },
         "pyarrow": {
             "hashes": [
-                "sha256:00178509f379415a3fcf855af020e3340254f990a8534294ec3cf674d6e255fd",
-                "sha256:03f40b65a43be159d2f97fd64dc998f769d0995a50c00f07aab58b0b3da87e1f",
-                "sha256:082ba62bdcb939824ba1ce10b8acef5ab621da1f4c4805e07bfd153617ac19d4",
-                "sha256:09f30690b99ce34e0da64d20dab372ee54431745e4efb78ac938234a282d15f9",
-                "sha256:2333f93260674e185cfbf208d2da3007132572e56871f451ba1a556b45dae6e2",
-                "sha256:28f9c39a56d2c78bf6b87dcc699d520ab850919d4a8c7418cd20eda49874a2ea",
-                "sha256:2c664ab88b9766413197733c1720d3dcd4190e8fa3bbdc3710384630a0a7207b",
-                "sha256:2c992716cffb1088414f2b478f7af0175fd0a76fea80841b1706baa8fb0ebaad",
-                "sha256:2e549a748fa8b8715e734919923f69318c953e077e9c02140ada13e59d043310",
-                "sha256:320ae9bd45ad7ecc12ec858b3e8e462578de060832b98fc4d671dee9f10d9954",
-                "sha256:336addb8b6f5208be1b2398442c703a710b6b937b1a046065ee4db65e782ff5a",
-                "sha256:3ac24b2be732e78a5a3ac0b3aa870d73766dd00beba6e015ea2ea7394f8b4e55",
-                "sha256:45476490dd4adec5472c92b4d253e245258745d0ccaabe706f8d03288ed60a79",
-                "sha256:4c381857754da44326f3a49b8b199f7f87a51c2faacd5114352fc78de30d3aba",
-                "sha256:4d5ca5d707e158540312e09fd907f9f49bacbe779ab5236d9699ced14d2293b8",
-                "sha256:58a62549a3e0bc9e03df32f350e10e1efb94ec6cf63e3920c3385b26663948ce",
-                "sha256:5f0510608ccd6e7f02ca8596962afb8c6cc84c453e7be0da4d85f5f4f7b0328a",
-                "sha256:603cd8ad4976568954598ef0a6d4ed3dfb78aff3d57fa8d6271f470f0ce7d34f",
-                "sha256:606e9a3dcb0f52307c5040698ea962685fb1c852d72379ee9412be7de9c5f9e2",
-                "sha256:616ea2826c03c16e87f517c46296621a7c51e30400f6d0a61be645f203aa2b93",
-                "sha256:66dcc216ebae2eb4c37b223feaf82f15b69d502821dde2da138ec5a3716e7463",
-                "sha256:6dd1b52d0d58dd8f685ced9971eb49f697d753aa7912f0a8f50833c7a7426319",
-                "sha256:871b292d4b696b09120ed5bde894f79ee2a5f109cb84470546471df264cae136",
-                "sha256:8c70c1965cde991b711a98448ccda3486f2a336457cf4ec4dca257a926e149c9",
-                "sha256:8f40ec677e942374e3d7f2fad6a67a4c2811a8b975e8703c6fd26d3b168a90e2",
-                "sha256:907ee0aa8ca576f5e0cdc20b5aeb2ad4d3953a3b4769fc4b499e00ef0266f02f",
-                "sha256:a1824f5b029ddd289919f354bc285992cb4e32da518758c136271cf66046ef22",
-                "sha256:a6aa027b1a9d2970cf328ccd6dbe4a996bc13c39fd427f502782f5bdb9ca20f5",
-                "sha256:a71ab0589a63a3e987beb2bc172e05f000a5c5be2636b4b263c44034e215b5d7",
-                "sha256:b30a927c6dff89ee702686596f27c25160dd6c99be5bcc1513a763ae5b1bfc03",
-                "sha256:b46591222c864e7da7faa3b19455196416cd8355ff6c2cc2e65726a760a3c420",
-                "sha256:b5bd7fd32e3ace012d43925ea4fc8bd1b02cc6cc1e9813b518302950e89b5a22",
-                "sha256:bc1daf7c425f58527900876354390ee41b0ae962a73ad0959b9d829def583bb1",
-                "sha256:bc97316840a349485fbb137eb8d0f4d7057e1b2c1272b1a20eebbbe1848f5122",
-                "sha256:be08af84808dff63a76860847c48ec0416928a7b3a17c2f49a072cac7c45efbd",
-                "sha256:d5795e37c0a33baa618c5e054cd61f586cf76850a251e2b21355e4085def6280",
-                "sha256:d6331f280c6e4521c69b201a42dd978f60f7e129511a55da9e0bfe426b4ebb8d",
-                "sha256:dc892be34dbd058e8d189b47db1e33a227d965ea8805a235c8a7286f7fd17d3a",
-                "sha256:e7ab04f272f98ebffd2a0661e4e126036f6936391ba2889ed2d44c5006237802",
-                "sha256:eb7e3abcda7e1e6b83c2dc2909c8d045881017270a119cc6ee7fdcfe71d02df8",
-                "sha256:f1a198a50c409ab2d009fbf20956ace84567d67f2c5701511d4dd561fae6f32e",
-                "sha256:fe92efcdbfa0bcf2fa602e466d7f2905500f33f09eb90bf0bcf2e6ca41b574c8"
+                "sha256:01c034b576ce0eef554f7c3d8c341714954be9b3f5d5bc7117006b85fcf302fe",
+                "sha256:05a5636ec3eb5cc2a36c6edb534a38ef57b2ab127292a716d00eabb887835f1e",
+                "sha256:0743e503c55be0fdb5c08e7d44853da27f19dc854531c0570f9f394ec9671d54",
+                "sha256:0ad4892617e1a6c7a551cfc827e072a633eaff758fa09f21c4ee548c30bcaf99",
+                "sha256:0b331e477e40f07238adc7ba7469c36b908f07c89b95dd4bd3a0ec84a3d1e21e",
+                "sha256:11b676cd410cf162d3f6a70b43fb9e1e40affbc542a1e9ed3681895f2962d3d9",
+                "sha256:25dbacab8c5952df0ca6ca0af28f50d45bd31c1ff6fcf79e2d120b4a65ee7181",
+                "sha256:2c4dd0c9010a25ba03e198fe743b1cc03cd33c08190afff371749c52ccbbaf76",
+                "sha256:36ac22d7782554754a3b50201b607d553a8d71b78cdf03b33c1125be4b52397c",
+                "sha256:3b2e2239339c538f3464308fd345113f886ad031ef8266c6f004d49769bb074c",
+                "sha256:3c35813c11a059056a22a3bef520461310f2f7eea5c8a11ef9de7062a23f8d56",
+                "sha256:4a4813cb8ecf1809871fd2d64a8eff740a1bd3691bbe55f01a3cf6c5ec869754",
+                "sha256:4f443122c8e31f4c9199cb23dca29ab9427cef990f283f80fe15b8e124bcc49b",
+                "sha256:4f97b31b4c4e21ff58c6f330235ff893cc81e23da081b1a4b1c982075e0ed4e9",
+                "sha256:543ad8459bc438efc46d29a759e1079436290bd583141384c6f7a1068ed6f992",
+                "sha256:6a276190309aba7bc9d5bd2933230458b3521a4317acfefe69a354f2fe59f2bc",
+                "sha256:73eeed32e724ea3568bb06161cad5fa7751e45bc2228e33dcb10c614044165c7",
+                "sha256:74de649d1d2ccb778f7c3afff6085bd5092aed4c23df9feeb45dd6b16f3811aa",
+                "sha256:84e314d22231357d473eabec709d0ba285fa706a72377f9cc8e1cb3c8013813b",
+                "sha256:9386d3ca9c145b5539a1cfc75df07757dff870168c959b473a0bccbc3abc8c73",
+                "sha256:9736ba3c85129d72aefa21b4f3bd715bc4190fe4426715abfff90481e7d00812",
+                "sha256:9f3a76670b263dc41d0ae877f09124ab96ce10e4e48f3e3e4257273cee61ad0d",
+                "sha256:a1880dd6772b685e803011a6b43a230c23b566859a6e0c9a276c1e0faf4f4052",
+                "sha256:acb7564204d3c40babf93a05624fc6a8ec1ab1def295c363afc40b0c9e66c191",
+                "sha256:ad514dbfcffe30124ce655d72771ae070f30bf850b48bc4d9d3b25993ee0e386",
+                "sha256:aebc13a11ed3032d8dd6e7171eb6e86d40d67a5639d96c35142bd568b9299324",
+                "sha256:b516dad76f258a702f7ca0250885fc93d1fa5ac13ad51258e39d402bd9e2e1e4",
+                "sha256:b76130d835261b38f14fc41fdfb39ad8d672afb84c447126b84d5472244cfaba",
+                "sha256:ba17845efe3aa358ec266cf9cc2800fa73038211fb27968bfa88acd09261a470",
+                "sha256:c0a03da7f2758645d17b7b4f83c8bffeae5bbb7f974523fe901f36288d2eab71",
+                "sha256:c52f81aa6f6575058d8e2c782bf79d4f9fdc89887f16825ec3a66607a5dd8e30",
+                "sha256:d4b3d2a34780645bed6414e22dda55a92e0fcd1b8a637fba86800ad737057e33",
+                "sha256:d4f13eee18433f99adefaeb7e01d83b59f73360c231d4782d9ddfaf1c3fbde0a",
+                "sha256:d6cf5c05f3cee251d80e98726b5c7cc9f21bab9e9783673bac58e6dfab57ecc8",
+                "sha256:da31fbca07c435be88a0c321402c4e31a2ba61593ec7473630769de8346b54ee",
+                "sha256:e21488d5cfd3d8b500b3238a6c4b075efabc18f0f6d80b29239737ebd69caa6c",
+                "sha256:e31e9417ba9c42627574bdbfeada7217ad8a4cbbe45b9d6bdd4b62abbca4c6f6",
+                "sha256:eaeabf638408de2772ce3d7793b2668d4bb93807deed1725413b70e3156a7854",
+                "sha256:f266a2c0fc31995a06ebd30bcfdb7f615d7278035ec5b1cd71c48d56daaf30b0",
+                "sha256:f39a2e0ed32a0970e4e46c262753417a60c43a3246972cfc2d3eb85aedd01b21",
+                "sha256:f591704ac05dfd0477bb8f8e0bd4b5dc52c1cadf50503858dce3a15db6e46ff2",
+                "sha256:f96bd502cb11abb08efea6dab09c003305161cb6c9eafd432e35e76e7fa9b90c"
             ],
             "index": "pypi",
             "markers": "python_version >= '3.9'",
-            "version": "==18.0.0"
+            "version": "==18.1.0"
         },
         "python-dateutil": {
             "hashes": [