diff --git a/src/datapage.js b/src/datapage.js
index d0cc989..9d3a825 100644
--- a/src/datapage.js
+++ b/src/datapage.js
@@ -48,6 +48,13 @@ export function readDataPage(bytes, daph, { type, element, schemaPath }) {
     }
   } else if (daph.encoding === 'BYTE_STREAM_SPLIT') {
     dataPage = byteStreamSplit(reader, nValues, type, element.type_length)
+  } else if (daph.encoding === 'DELTA_BINARY_PACKED') {
+    const int32 = type === 'INT32'
+    dataPage = int32 ? new Int32Array(nValues) : new BigInt64Array(nValues)
+    deltaBinaryUnpack(reader, nValues, dataPage)
+  } else if (daph.encoding === 'DELTA_LENGTH_BYTE_ARRAY') {
+    dataPage = new Array(nValues)
+    deltaLengthByteArray(reader, nValues, dataPage)
   } else {
     throw new Error(`parquet unsupported encoding: ${daph.encoding}`)
   }
diff --git a/test/files/duckdb_delta_binary_packed.json b/test/files/duckdb_delta_binary_packed.json
new file mode 100644
index 0000000..24d2737
--- /dev/null
+++ b/test/files/duckdb_delta_binary_packed.json
@@ -0,0 +1,1252 @@
+[
+  [0],
+  [1],
+  [2],
+  [3],
+  [4],
+  [5],
+  [6],
+  [7],
+  [8],
+  [9],
+  [10],
+  [11],
+  [12],
+  [13],
+  [14],
+  [15],
+  [16],
+  [17],
+  [18],
+  [19],
+  [20],
+  [21],
+  [22],
+  [23],
+  [24],
+  [25],
+  [26],
+  [27],
+  [28],
+  [29],
+  [30],
+  [31],
+  [32],
+  [33],
+  [34],
+  [35],
+  [36],
+  [37],
+  [38],
+  [39],
+  [40],
+  [41],
+  [42],
+  [43],
+  [44],
+  [45],
+  [46],
+  [47],
+  [48],
+  [49],
+  [50],
+  [51],
+  [52],
+  [53],
+  [54],
+  [55],
+  [56],
+  [57],
+  [58],
+  [59],
+  [60],
+  [61],
+  [62],
+  [63],
+  [64],
+  [65],
+  [66],
+  [67],
+  [68],
+  [69],
+  [70],
+  [71],
+  [72],
+  [73],
+  [74],
+  [75],
+  [76],
+  [77],
+  [78],
+  [79],
+  [80],
+  [81],
+  [82],
+  [83],
+  [84],
+  [85],
+  [86],
+  [87],
+  [88],
+  [89],
+  [90],
+  [91],
+  [92],
+  [93],
+  [94],
+  [95],
+  [96],
+  [97],
+  [98],
+  [99],
+  [100],
+  [101],
+  [102],
+  [103],
+  [104],
+  [105],
+  [106],
+  [107],
+  [108],
+  [109],
+  [110],
+  [111],
+  [112],
+  [113],
+  [114],
+  [115],
+  [116],
+  [117],
+  [118],
+  [119],
+  [120],
+  [121],
+  [122],
+  [123],
+  [124],
+  [125],
+  [126],
+  [127],
+  [128],
+  [129],
+  [130],
+  [131],
+  [132],
+  [133],
+  [134],
+  [135],
+  [136],
+  [137],
+  [138],
+  [139],
+  [140],
+  [141],
+  [142],
+  [143],
+  [144],
+  [145],
+  [146],
+  [147],
+  [148],
+  [149],
+  [150],
+  [151],
+  [152],
+  [153],
+  [154],
+  [155],
+  [156],
+  [157],
+  [158],
+  [159],
+  [160],
+  [161],
+  [162],
+  [163],
+  [164],
+  [165],
+  [166],
+  [167],
+  [168],
+  [169],
+  [170],
+  [171],
+  [172],
+  [173],
+  [174],
+  [175],
+  [176],
+  [177],
+  [178],
+  [179],
+  [180],
+  [181],
+  [182],
+  [183],
+  [184],
+  [185],
+  [186],
+  [187],
+  [188],
+  [189],
+  [190],
+  [191],
+  [192],
+  [193],
+  [194],
+  [195],
+  [196],
+  [197],
+  [198],
+  [199],
+  [200],
+  [201],
+  [202],
+  [203],
+  [204],
+  [205],
+  [206],
+  [207],
+  [208],
+  [209],
+  [210],
+  [211],
+  [212],
+  [213],
+  [214],
+  [215],
+  [216],
+  [217],
+  [218],
+  [219],
+  [220],
+  [221],
+  [222],
+  [223],
+  [224],
+  [225],
+  [226],
+  [227],
+  [228],
+  [229],
+  [230],
+  [231],
+  [232],
+  [233],
+  [234],
+  [235],
+  [236],
+  [237],
+  [238],
+  [239],
+  [240],
+  [241],
+  [242],
+  [243],
+  [244],
+  [245],
+  [246],
+  [247],
+  [248],
+  [249],
+  [250],
+  [251],
+  [252],
+  [253],
+  [254],
+  [255],
+  [256],
+  [257],
+  [258],
+  [259],
+  [260],
+  [261],
+  [262],
+  [263],
+  [264],
+  [265],
+  [266],
+  [267],
+  [268],
+  [269],
+  [270],
+  [271],
+  [272],
+  [273],
+  [274],
+  [275],
+  [276],
+  [277],
+  [278],
+  [279],
+  [280],
+  [281],
+  [282],
+  [283],
+  [284],
+  [285],
+  [286],
+  [287],
+  [288],
+  [289],
+  [290],
+  [291],
+  [292],
+  [293],
+  [294],
+  [295],
+  [296],
+  [297],
+  [298],
+  [299],
+  [300],
+  [301],
+  [302],
+  [303],
+  [304],
+  [305],
+  [306],
+  [307],
+  [308],
+  [309],
+  [310],
+  [311],
+  [312],
+  [313],
+  [314],
+  [315],
+  [316],
+  [317],
+  [318],
+  [319],
+  [320],
+  [321],
+  [322],
+  [323],
+  [324],
+  [325],
+  [326],
+  [327],
+  [328],
+  [329],
+  [330],
+  [331],
+  [332],
+  [333],
+  [334],
+  [335],
+  [336],
+  [337],
+  [338],
+  [339],
+  [340],
+  [341],
+  [342],
+  [343],
+  [344],
+  [345],
+  [346],
+  [347],
+  [348],
+  [349],
+  [350],
+  [351],
+  [352],
+  [353],
+  [354],
+  [355],
+  [356],
+  [357],
+  [358],
+  [359],
+  [360],
+  [361],
+  [362],
+  [363],
+  [364],
+  [365],
+  [366],
+  [367],
+  [368],
+  [369],
+  [370],
+  [371],
+  [372],
+  [373],
+  [374],
+  [375],
+  [376],
+  [377],
+  [378],
+  [379],
+  [380],
+  [381],
+  [382],
+  [383],
+  [384],
+  [385],
+  [386],
+  [387],
+  [388],
+  [389],
+  [390],
+  [391],
+  [392],
+  [393],
+  [394],
+  [395],
+  [396],
+  [397],
+  [398],
+  [399],
+  [400],
+  [401],
+  [402],
+  [403],
+  [404],
+  [405],
+  [406],
+  [407],
+  [408],
+  [409],
+  [410],
+  [411],
+  [412],
+  [413],
+  [414],
+  [415],
+  [416],
+  [417],
+  [418],
+  [419],
+  [420],
+  [421],
+  [422],
+  [423],
+  [424],
+  [425],
+  [426],
+  [427],
+  [428],
+  [429],
+  [430],
+  [431],
+  [432],
+  [433],
+  [434],
+  [435],
+  [436],
+  [437],
+  [438],
+  [439],
+  [440],
+  [441],
+  [442],
+  [443],
+  [444],
+  [445],
+  [446],
+  [447],
+  [448],
+  [449],
+  [450],
+  [451],
+  [452],
+  [453],
+  [454],
+  [455],
+  [456],
+  [457],
+  [458],
+  [459],
+  [460],
+  [461],
+  [462],
+  [463],
+  [464],
+  [465],
+  [466],
+  [467],
+  [468],
+  [469],
+  [470],
+  [471],
+  [472],
+  [473],
+  [474],
+  [475],
+  [476],
+  [477],
+  [478],
+  [479],
+  [480],
+  [481],
+  [482],
+  [483],
+  [484],
+  [485],
+  [486],
+  [487],
+  [488],
+  [489],
+  [490],
+  [491],
+  [492],
+  [493],
+  [494],
+  [495],
+  [496],
+  [497],
+  [498],
+  [499],
+  [500],
+  [501],
+  [502],
+  [503],
+  [504],
+  [505],
+  [506],
+  [507],
+  [508],
+  [509],
+  [510],
+  [511],
+  [512],
+  [513],
+  [514],
+  [515],
+  [516],
+  [517],
+  [518],
+  [519],
+  [520],
+  [521],
+  [522],
+  [523],
+  [524],
+  [525],
+  [526],
+  [527],
+  [528],
+  [529],
+  [530],
+  [531],
+  [532],
+  [533],
+  [534],
+  [535],
+  [536],
+  [537],
+  [538],
+  [539],
+  [540],
+  [541],
+  [542],
+  [543],
+  [544],
+  [545],
+  [546],
+  [547],
+  [548],
+  [549],
+  [550],
+  [551],
+  [552],
+  [553],
+  [554],
+  [555],
+  [556],
+  [557],
+  [558],
+  [559],
+  [560],
+  [561],
+  [562],
+  [563],
+  [564],
+  [565],
+  [566],
+  [567],
+  [568],
+  [569],
+  [570],
+  [571],
+  [572],
+  [573],
+  [574],
+  [575],
+  [576],
+  [577],
+  [578],
+  [579],
+  [580],
+  [581],
+  [582],
+  [583],
+  [584],
+  [585],
+  [586],
+  [587],
+  [588],
+  [589],
+  [590],
+  [591],
+  [592],
+  [593],
+  [594],
+  [595],
+  [596],
+  [597],
+  [598],
+  [599],
+  [600],
+  [601],
+  [602],
+  [603],
+  [604],
+  [605],
+  [606],
+  [607],
+  [608],
+  [609],
+  [610],
+  [611],
+  [612],
+  [613],
+  [614],
+  [615],
+  [616],
+  [617],
+  [618],
+  [619],
+  [620],
+  [621],
+  [622],
+  [623],
+  [624],
+  [625],
+  [626],
+  [627],
+  [628],
+  [629],
+  [630],
+  [631],
+  [632],
+  [633],
+  [634],
+  [635],
+  [636],
+  [637],
+  [638],
+  [639],
+  [640],
+  [641],
+  [642],
+  [643],
+  [644],
+  [645],
+  [646],
+  [647],
+  [648],
+  [649],
+  [650],
+  [651],
+  [652],
+  [653],
+  [654],
+  [655],
+  [656],
+  [657],
+  [658],
+  [659],
+  [660],
+  [661],
+  [662],
+  [663],
+  [664],
+  [665],
+  [666],
+  [667],
+  [668],
+  [669],
+  [670],
+  [671],
+  [672],
+  [673],
+  [674],
+  [675],
+  [676],
+  [677],
+  [678],
+  [679],
+  [680],
+  [681],
+  [682],
+  [683],
+  [684],
+  [685],
+  [686],
+  [687],
+  [688],
+  [689],
+  [690],
+  [691],
+  [692],
+  [693],
+  [694],
+  [695],
+  [696],
+  [697],
+  [698],
+  [699],
+  [700],
+  [701],
+  [702],
+  [703],
+  [704],
+  [705],
+  [706],
+  [707],
+  [708],
+  [709],
+  [710],
+  [711],
+  [712],
+  [713],
+  [714],
+  [715],
+  [716],
+  [717],
+  [718],
+  [719],
+  [720],
+  [721],
+  [722],
+  [723],
+  [724],
+  [725],
+  [726],
+  [727],
+  [728],
+  [729],
+  [730],
+  [731],
+  [732],
+  [733],
+  [734],
+  [735],
+  [736],
+  [737],
+  [738],
+  [739],
+  [740],
+  [741],
+  [742],
+  [743],
+  [744],
+  [745],
+  [746],
+  [747],
+  [748],
+  [749],
+  [750],
+  [751],
+  [752],
+  [753],
+  [754],
+  [755],
+  [756],
+  [757],
+  [758],
+  [759],
+  [760],
+  [761],
+  [762],
+  [763],
+  [764],
+  [765],
+  [766],
+  [767],
+  [768],
+  [769],
+  [770],
+  [771],
+  [772],
+  [773],
+  [774],
+  [775],
+  [776],
+  [777],
+  [778],
+  [779],
+  [780],
+  [781],
+  [782],
+  [783],
+  [784],
+  [785],
+  [786],
+  [787],
+  [788],
+  [789],
+  [790],
+  [791],
+  [792],
+  [793],
+  [794],
+  [795],
+  [796],
+  [797],
+  [798],
+  [799],
+  [800],
+  [801],
+  [802],
+  [803],
+  [804],
+  [805],
+  [806],
+  [807],
+  [808],
+  [809],
+  [810],
+  [811],
+  [812],
+  [813],
+  [814],
+  [815],
+  [816],
+  [817],
+  [818],
+  [819],
+  [820],
+  [821],
+  [822],
+  [823],
+  [824],
+  [825],
+  [826],
+  [827],
+  [828],
+  [829],
+  [830],
+  [831],
+  [832],
+  [833],
+  [834],
+  [835],
+  [836],
+  [837],
+  [838],
+  [839],
+  [840],
+  [841],
+  [842],
+  [843],
+  [844],
+  [845],
+  [846],
+  [847],
+  [848],
+  [849],
+  [850],
+  [851],
+  [852],
+  [853],
+  [854],
+  [855],
+  [856],
+  [857],
+  [858],
+  [859],
+  [860],
+  [861],
+  [862],
+  [863],
+  [864],
+  [865],
+  [866],
+  [867],
+  [868],
+  [869],
+  [870],
+  [871],
+  [872],
+  [873],
+  [874],
+  [875],
+  [876],
+  [877],
+  [878],
+  [879],
+  [880],
+  [881],
+  [882],
+  [883],
+  [884],
+  [885],
+  [886],
+  [887],
+  [888],
+  [889],
+  [890],
+  [891],
+  [892],
+  [893],
+  [894],
+  [895],
+  [896],
+  [897],
+  [898],
+  [899],
+  [900],
+  [901],
+  [902],
+  [903],
+  [904],
+  [905],
+  [906],
+  [907],
+  [908],
+  [909],
+  [910],
+  [911],
+  [912],
+  [913],
+  [914],
+  [915],
+  [916],
+  [917],
+  [918],
+  [919],
+  [920],
+  [921],
+  [922],
+  [923],
+  [924],
+  [925],
+  [926],
+  [927],
+  [928],
+  [929],
+  [930],
+  [931],
+  [932],
+  [933],
+  [934],
+  [935],
+  [936],
+  [937],
+  [938],
+  [939],
+  [940],
+  [941],
+  [942],
+  [943],
+  [944],
+  [945],
+  [946],
+  [947],
+  [948],
+  [949],
+  [950],
+  [951],
+  [952],
+  [953],
+  [954],
+  [955],
+  [956],
+  [957],
+  [958],
+  [959],
+  [960],
+  [961],
+  [962],
+  [963],
+  [964],
+  [965],
+  [966],
+  [967],
+  [968],
+  [969],
+  [970],
+  [971],
+  [972],
+  [973],
+  [974],
+  [975],
+  [976],
+  [977],
+  [978],
+  [979],
+  [980],
+  [981],
+  [982],
+  [983],
+  [984],
+  [985],
+  [986],
+  [987],
+  [988],
+  [989],
+  [990],
+  [991],
+  [992],
+  [993],
+  [994],
+  [995],
+  [996],
+  [997],
+  [998],
+  [999],
+  [1000],
+  [1001],
+  [1002],
+  [1003],
+  [1004],
+  [1005],
+  [1006],
+  [1007],
+  [1008],
+  [1009],
+  [1010],
+  [1011],
+  [1012],
+  [1013],
+  [1014],
+  [1015],
+  [1016],
+  [1017],
+  [1018],
+  [1019],
+  [1020],
+  [1021],
+  [1022],
+  [1023],
+  [1024],
+  [1025],
+  [1026],
+  [1027],
+  [1028],
+  [1029],
+  [1030],
+  [1031],
+  [1032],
+  [1033],
+  [1034],
+  [1035],
+  [1036],
+  [1037],
+  [1038],
+  [1039],
+  [1040],
+  [1041],
+  [1042],
+  [1043],
+  [1044],
+  [1045],
+  [1046],
+  [1047],
+  [1048],
+  [1049],
+  [1050],
+  [1051],
+  [1052],
+  [1053],
+  [1054],
+  [1055],
+  [1056],
+  [1057],
+  [1058],
+  [1059],
+  [1060],
+  [1061],
+  [1062],
+  [1063],
+  [1064],
+  [1065],
+  [1066],
+  [1067],
+  [1068],
+  [1069],
+  [1070],
+  [1071],
+  [1072],
+  [1073],
+  [1074],
+  [1075],
+  [1076],
+  [1077],
+  [1078],
+  [1079],
+  [1080],
+  [1081],
+  [1082],
+  [1083],
+  [1084],
+  [1085],
+  [1086],
+  [1087],
+  [1088],
+  [1089],
+  [1090],
+  [1091],
+  [1092],
+  [1093],
+  [1094],
+  [1095],
+  [1096],
+  [1097],
+  [1098],
+  [1099],
+  [1100],
+  [1101],
+  [1102],
+  [1103],
+  [1104],
+  [1105],
+  [1106],
+  [1107],
+  [1108],
+  [1109],
+  [1110],
+  [1111],
+  [1112],
+  [1113],
+  [1114],
+  [1115],
+  [1116],
+  [1117],
+  [1118],
+  [1119],
+  [1120],
+  [1121],
+  [1122],
+  [1123],
+  [1124],
+  [1125],
+  [1126],
+  [1127],
+  [1128],
+  [1129],
+  [1130],
+  [1131],
+  [1132],
+  [1133],
+  [1134],
+  [1135],
+  [1136],
+  [1137],
+  [1138],
+  [1139],
+  [1140],
+  [1141],
+  [1142],
+  [1143],
+  [1144],
+  [1145],
+  [1146],
+  [1147],
+  [1148],
+  [1149],
+  [1150],
+  [1151],
+  [1152],
+  [1153],
+  [1154],
+  [1155],
+  [1156],
+  [1157],
+  [1158],
+  [1159],
+  [1160],
+  [1161],
+  [1162],
+  [1163],
+  [1164],
+  [1165],
+  [1166],
+  [1167],
+  [1168],
+  [1169],
+  [1170],
+  [1171],
+  [1172],
+  [1173],
+  [1174],
+  [1175],
+  [1176],
+  [1177],
+  [1178],
+  [1179],
+  [1180],
+  [1181],
+  [1182],
+  [1183],
+  [1184],
+  [1185],
+  [1186],
+  [1187],
+  [1188],
+  [1189],
+  [1190],
+  [1191],
+  [1192],
+  [1193],
+  [1194],
+  [1195],
+  [1196],
+  [1197],
+  [1198],
+  [1199],
+  [1200],
+  [1201],
+  [1202],
+  [1203],
+  [1204],
+  [1205],
+  [1206],
+  [1207],
+  [1208],
+  [1209],
+  [1210],
+  [1211],
+  [1212],
+  [1213],
+  [1214],
+  [1215],
+  [1216],
+  [1217],
+  [1218],
+  [1219],
+  [1220],
+  [1221],
+  [1222],
+  [1223],
+  [1224],
+  [1225],
+  [1226],
+  [1227],
+  [1228],
+  [1229],
+  [1230],
+  [1231],
+  [1232],
+  [1233],
+  [1234],
+  [1235],
+  [1236],
+  [1237],
+  [1238],
+  [1239],
+  [1240],
+  [1241],
+  [1242],
+  [1243],
+  [1244],
+  [1245],
+  [1246],
+  [1247],
+  [1248],
+  [1249]
+]
diff --git a/test/files/duckdb_delta_binary_packed.metadata.json b/test/files/duckdb_delta_binary_packed.metadata.json
new file mode 100644
index 0000000..9b9047a
--- /dev/null
+++ b/test/files/duckdb_delta_binary_packed.metadata.json
@@ -0,0 +1,48 @@
+{
+  "version": 1,
+  "schema": [
+    {
+      "repetition_type": "REQUIRED",
+      "name": "duckdb_schema",
+      "num_children": 1
+    },
+    {
+      "type": "INT64",
+      "repetition_type": "OPTIONAL",
+      "name": "range",
+      "converted_type": "INT_64"
+    }
+  ],
+  "num_rows": 1250,
+  "row_groups": [
+    {
+      "columns": [
+        {
+          "file_offset": 0,
+          "meta_data": {
+            "type": "INT64",
+            "encodings": ["DELTA_BINARY_PACKED"],
+            "path_in_schema": ["range"],
+            "codec": "SNAPPY",
+            "num_values": 1250,
+            "total_uncompressed_size": 40,
+            "total_compressed_size": 42,
+            "data_page_offset": 4,
+            "statistics": {
+              "max": 1249,
+              "min": 0,
+              "null_count": 0,
+              "max_value": 1249,
+              "min_value": 0
+            }
+          }
+        }
+      ],
+      "total_byte_size": 40,
+      "num_rows": 1250,
+      "file_offset": 4
+    }
+  ],
+  "created_by": "DuckDB version v1.2.1 (build 8e52ec4395)",
+  "metadata_length": 169
+}
diff --git a/test/files/duckdb_delta_binary_packed.parquet b/test/files/duckdb_delta_binary_packed.parquet
new file mode 100644
index 0000000..f17d3cb
Binary files /dev/null and b/test/files/duckdb_delta_binary_packed.parquet differ
diff --git a/test/files/duckdb_delta_length_byte_array.json b/test/files/duckdb_delta_length_byte_array.json
new file mode 100644
index 0000000..456ed1a
--- /dev/null
+++ b/test/files/duckdb_delta_length_byte_array.json
@@ -0,0 +1,1252 @@
+[
+  ["0"],
+  ["1"],
+  ["2"],
+  ["3"],
+  ["4"],
+  ["5"],
+  ["6"],
+  ["7"],
+  ["8"],
+  ["9"],
+  ["10"],
+  ["11"],
+  ["12"],
+  ["13"],
+  ["14"],
+  ["15"],
+  ["16"],
+  ["17"],
+  ["18"],
+  ["19"],
+  ["20"],
+  ["21"],
+  ["22"],
+  ["23"],
+  ["24"],
+  ["25"],
+  ["26"],
+  ["27"],
+  ["28"],
+  ["29"],
+  ["30"],
+  ["31"],
+  ["32"],
+  ["33"],
+  ["34"],
+  ["35"],
+  ["36"],
+  ["37"],
+  ["38"],
+  ["39"],
+  ["40"],
+  ["41"],
+  ["42"],
+  ["43"],
+  ["44"],
+  ["45"],
+  ["46"],
+  ["47"],
+  ["48"],
+  ["49"],
+  ["50"],
+  ["51"],
+  ["52"],
+  ["53"],
+  ["54"],
+  ["55"],
+  ["56"],
+  ["57"],
+  ["58"],
+  ["59"],
+  ["60"],
+  ["61"],
+  ["62"],
+  ["63"],
+  ["64"],
+  ["65"],
+  ["66"],
+  ["67"],
+  ["68"],
+  ["69"],
+  ["70"],
+  ["71"],
+  ["72"],
+  ["73"],
+  ["74"],
+  ["75"],
+  ["76"],
+  ["77"],
+  ["78"],
+  ["79"],
+  ["80"],
+  ["81"],
+  ["82"],
+  ["83"],
+  ["84"],
+  ["85"],
+  ["86"],
+  ["87"],
+  ["88"],
+  ["89"],
+  ["90"],
+  ["91"],
+  ["92"],
+  ["93"],
+  ["94"],
+  ["95"],
+  ["96"],
+  ["97"],
+  ["98"],
+  ["99"],
+  ["100"],
+  ["101"],
+  ["102"],
+  ["103"],
+  ["104"],
+  ["105"],
+  ["106"],
+  ["107"],
+  ["108"],
+  ["109"],
+  ["110"],
+  ["111"],
+  ["112"],
+  ["113"],
+  ["114"],
+  ["115"],
+  ["116"],
+  ["117"],
+  ["118"],
+  ["119"],
+  ["120"],
+  ["121"],
+  ["122"],
+  ["123"],
+  ["124"],
+  ["125"],
+  ["126"],
+  ["127"],
+  ["128"],
+  ["129"],
+  ["130"],
+  ["131"],
+  ["132"],
+  ["133"],
+  ["134"],
+  ["135"],
+  ["136"],
+  ["137"],
+  ["138"],
+  ["139"],
+  ["140"],
+  ["141"],
+  ["142"],
+  ["143"],
+  ["144"],
+  ["145"],
+  ["146"],
+  ["147"],
+  ["148"],
+  ["149"],
+  ["150"],
+  ["151"],
+  ["152"],
+  ["153"],
+  ["154"],
+  ["155"],
+  ["156"],
+  ["157"],
+  ["158"],
+  ["159"],
+  ["160"],
+  ["161"],
+  ["162"],
+  ["163"],
+  ["164"],
+  ["165"],
+  ["166"],
+  ["167"],
+  ["168"],
+  ["169"],
+  ["170"],
+  ["171"],
+  ["172"],
+  ["173"],
+  ["174"],
+  ["175"],
+  ["176"],
+  ["177"],
+  ["178"],
+  ["179"],
+  ["180"],
+  ["181"],
+  ["182"],
+  ["183"],
+  ["184"],
+  ["185"],
+  ["186"],
+  ["187"],
+  ["188"],
+  ["189"],
+  ["190"],
+  ["191"],
+  ["192"],
+  ["193"],
+  ["194"],
+  ["195"],
+  ["196"],
+  ["197"],
+  ["198"],
+  ["199"],
+  ["200"],
+  ["201"],
+  ["202"],
+  ["203"],
+  ["204"],
+  ["205"],
+  ["206"],
+  ["207"],
+  ["208"],
+  ["209"],
+  ["210"],
+  ["211"],
+  ["212"],
+  ["213"],
+  ["214"],
+  ["215"],
+  ["216"],
+  ["217"],
+  ["218"],
+  ["219"],
+  ["220"],
+  ["221"],
+  ["222"],
+  ["223"],
+  ["224"],
+  ["225"],
+  ["226"],
+  ["227"],
+  ["228"],
+  ["229"],
+  ["230"],
+  ["231"],
+  ["232"],
+  ["233"],
+  ["234"],
+  ["235"],
+  ["236"],
+  ["237"],
+  ["238"],
+  ["239"],
+  ["240"],
+  ["241"],
+  ["242"],
+  ["243"],
+  ["244"],
+  ["245"],
+  ["246"],
+  ["247"],
+  ["248"],
+  ["249"],
+  ["250"],
+  ["251"],
+  ["252"],
+  ["253"],
+  ["254"],
+  ["255"],
+  ["256"],
+  ["257"],
+  ["258"],
+  ["259"],
+  ["260"],
+  ["261"],
+  ["262"],
+  ["263"],
+  ["264"],
+  ["265"],
+  ["266"],
+  ["267"],
+  ["268"],
+  ["269"],
+  ["270"],
+  ["271"],
+  ["272"],
+  ["273"],
+  ["274"],
+  ["275"],
+  ["276"],
+  ["277"],
+  ["278"],
+  ["279"],
+  ["280"],
+  ["281"],
+  ["282"],
+  ["283"],
+  ["284"],
+  ["285"],
+  ["286"],
+  ["287"],
+  ["288"],
+  ["289"],
+  ["290"],
+  ["291"],
+  ["292"],
+  ["293"],
+  ["294"],
+  ["295"],
+  ["296"],
+  ["297"],
+  ["298"],
+  ["299"],
+  ["300"],
+  ["301"],
+  ["302"],
+  ["303"],
+  ["304"],
+  ["305"],
+  ["306"],
+  ["307"],
+  ["308"],
+  ["309"],
+  ["310"],
+  ["311"],
+  ["312"],
+  ["313"],
+  ["314"],
+  ["315"],
+  ["316"],
+  ["317"],
+  ["318"],
+  ["319"],
+  ["320"],
+  ["321"],
+  ["322"],
+  ["323"],
+  ["324"],
+  ["325"],
+  ["326"],
+  ["327"],
+  ["328"],
+  ["329"],
+  ["330"],
+  ["331"],
+  ["332"],
+  ["333"],
+  ["334"],
+  ["335"],
+  ["336"],
+  ["337"],
+  ["338"],
+  ["339"],
+  ["340"],
+  ["341"],
+  ["342"],
+  ["343"],
+  ["344"],
+  ["345"],
+  ["346"],
+  ["347"],
+  ["348"],
+  ["349"],
+  ["350"],
+  ["351"],
+  ["352"],
+  ["353"],
+  ["354"],
+  ["355"],
+  ["356"],
+  ["357"],
+  ["358"],
+  ["359"],
+  ["360"],
+  ["361"],
+  ["362"],
+  ["363"],
+  ["364"],
+  ["365"],
+  ["366"],
+  ["367"],
+  ["368"],
+  ["369"],
+  ["370"],
+  ["371"],
+  ["372"],
+  ["373"],
+  ["374"],
+  ["375"],
+  ["376"],
+  ["377"],
+  ["378"],
+  ["379"],
+  ["380"],
+  ["381"],
+  ["382"],
+  ["383"],
+  ["384"],
+  ["385"],
+  ["386"],
+  ["387"],
+  ["388"],
+  ["389"],
+  ["390"],
+  ["391"],
+  ["392"],
+  ["393"],
+  ["394"],
+  ["395"],
+  ["396"],
+  ["397"],
+  ["398"],
+  ["399"],
+  ["400"],
+  ["401"],
+  ["402"],
+  ["403"],
+  ["404"],
+  ["405"],
+  ["406"],
+  ["407"],
+  ["408"],
+  ["409"],
+  ["410"],
+  ["411"],
+  ["412"],
+  ["413"],
+  ["414"],
+  ["415"],
+  ["416"],
+  ["417"],
+  ["418"],
+  ["419"],
+  ["420"],
+  ["421"],
+  ["422"],
+  ["423"],
+  ["424"],
+  ["425"],
+  ["426"],
+  ["427"],
+  ["428"],
+  ["429"],
+  ["430"],
+  ["431"],
+  ["432"],
+  ["433"],
+  ["434"],
+  ["435"],
+  ["436"],
+  ["437"],
+  ["438"],
+  ["439"],
+  ["440"],
+  ["441"],
+  ["442"],
+  ["443"],
+  ["444"],
+  ["445"],
+  ["446"],
+  ["447"],
+  ["448"],
+  ["449"],
+  ["450"],
+  ["451"],
+  ["452"],
+  ["453"],
+  ["454"],
+  ["455"],
+  ["456"],
+  ["457"],
+  ["458"],
+  ["459"],
+  ["460"],
+  ["461"],
+  ["462"],
+  ["463"],
+  ["464"],
+  ["465"],
+  ["466"],
+  ["467"],
+  ["468"],
+  ["469"],
+  ["470"],
+  ["471"],
+  ["472"],
+  ["473"],
+  ["474"],
+  ["475"],
+  ["476"],
+  ["477"],
+  ["478"],
+  ["479"],
+  ["480"],
+  ["481"],
+  ["482"],
+  ["483"],
+  ["484"],
+  ["485"],
+  ["486"],
+  ["487"],
+  ["488"],
+  ["489"],
+  ["490"],
+  ["491"],
+  ["492"],
+  ["493"],
+  ["494"],
+  ["495"],
+  ["496"],
+  ["497"],
+  ["498"],
+  ["499"],
+  ["500"],
+  ["501"],
+  ["502"],
+  ["503"],
+  ["504"],
+  ["505"],
+  ["506"],
+  ["507"],
+  ["508"],
+  ["509"],
+  ["510"],
+  ["511"],
+  ["512"],
+  ["513"],
+  ["514"],
+  ["515"],
+  ["516"],
+  ["517"],
+  ["518"],
+  ["519"],
+  ["520"],
+  ["521"],
+  ["522"],
+  ["523"],
+  ["524"],
+  ["525"],
+  ["526"],
+  ["527"],
+  ["528"],
+  ["529"],
+  ["530"],
+  ["531"],
+  ["532"],
+  ["533"],
+  ["534"],
+  ["535"],
+  ["536"],
+  ["537"],
+  ["538"],
+  ["539"],
+  ["540"],
+  ["541"],
+  ["542"],
+  ["543"],
+  ["544"],
+  ["545"],
+  ["546"],
+  ["547"],
+  ["548"],
+  ["549"],
+  ["550"],
+  ["551"],
+  ["552"],
+  ["553"],
+  ["554"],
+  ["555"],
+  ["556"],
+  ["557"],
+  ["558"],
+  ["559"],
+  ["560"],
+  ["561"],
+  ["562"],
+  ["563"],
+  ["564"],
+  ["565"],
+  ["566"],
+  ["567"],
+  ["568"],
+  ["569"],
+  ["570"],
+  ["571"],
+  ["572"],
+  ["573"],
+  ["574"],
+  ["575"],
+  ["576"],
+  ["577"],
+  ["578"],
+  ["579"],
+  ["580"],
+  ["581"],
+  ["582"],
+  ["583"],
+  ["584"],
+  ["585"],
+  ["586"],
+  ["587"],
+  ["588"],
+  ["589"],
+  ["590"],
+  ["591"],
+  ["592"],
+  ["593"],
+  ["594"],
+  ["595"],
+  ["596"],
+  ["597"],
+  ["598"],
+  ["599"],
+  ["600"],
+  ["601"],
+  ["602"],
+  ["603"],
+  ["604"],
+  ["605"],
+  ["606"],
+  ["607"],
+  ["608"],
+  ["609"],
+  ["610"],
+  ["611"],
+  ["612"],
+  ["613"],
+  ["614"],
+  ["615"],
+  ["616"],
+  ["617"],
+  ["618"],
+  ["619"],
+  ["620"],
+  ["621"],
+  ["622"],
+  ["623"],
+  ["624"],
+  ["625"],
+  ["626"],
+  ["627"],
+  ["628"],
+  ["629"],
+  ["630"],
+  ["631"],
+  ["632"],
+  ["633"],
+  ["634"],
+  ["635"],
+  ["636"],
+  ["637"],
+  ["638"],
+  ["639"],
+  ["640"],
+  ["641"],
+  ["642"],
+  ["643"],
+  ["644"],
+  ["645"],
+  ["646"],
+  ["647"],
+  ["648"],
+  ["649"],
+  ["650"],
+  ["651"],
+  ["652"],
+  ["653"],
+  ["654"],
+  ["655"],
+  ["656"],
+  ["657"],
+  ["658"],
+  ["659"],
+  ["660"],
+  ["661"],
+  ["662"],
+  ["663"],
+  ["664"],
+  ["665"],
+  ["666"],
+  ["667"],
+  ["668"],
+  ["669"],
+  ["670"],
+  ["671"],
+  ["672"],
+  ["673"],
+  ["674"],
+  ["675"],
+  ["676"],
+  ["677"],
+  ["678"],
+  ["679"],
+  ["680"],
+  ["681"],
+  ["682"],
+  ["683"],
+  ["684"],
+  ["685"],
+  ["686"],
+  ["687"],
+  ["688"],
+  ["689"],
+  ["690"],
+  ["691"],
+  ["692"],
+  ["693"],
+  ["694"],
+  ["695"],
+  ["696"],
+  ["697"],
+  ["698"],
+  ["699"],
+  ["700"],
+  ["701"],
+  ["702"],
+  ["703"],
+  ["704"],
+  ["705"],
+  ["706"],
+  ["707"],
+  ["708"],
+  ["709"],
+  ["710"],
+  ["711"],
+  ["712"],
+  ["713"],
+  ["714"],
+  ["715"],
+  ["716"],
+  ["717"],
+  ["718"],
+  ["719"],
+  ["720"],
+  ["721"],
+  ["722"],
+  ["723"],
+  ["724"],
+  ["725"],
+  ["726"],
+  ["727"],
+  ["728"],
+  ["729"],
+  ["730"],
+  ["731"],
+  ["732"],
+  ["733"],
+  ["734"],
+  ["735"],
+  ["736"],
+  ["737"],
+  ["738"],
+  ["739"],
+  ["740"],
+  ["741"],
+  ["742"],
+  ["743"],
+  ["744"],
+  ["745"],
+  ["746"],
+  ["747"],
+  ["748"],
+  ["749"],
+  ["750"],
+  ["751"],
+  ["752"],
+  ["753"],
+  ["754"],
+  ["755"],
+  ["756"],
+  ["757"],
+  ["758"],
+  ["759"],
+  ["760"],
+  ["761"],
+  ["762"],
+  ["763"],
+  ["764"],
+  ["765"],
+  ["766"],
+  ["767"],
+  ["768"],
+  ["769"],
+  ["770"],
+  ["771"],
+  ["772"],
+  ["773"],
+  ["774"],
+  ["775"],
+  ["776"],
+  ["777"],
+  ["778"],
+  ["779"],
+  ["780"],
+  ["781"],
+  ["782"],
+  ["783"],
+  ["784"],
+  ["785"],
+  ["786"],
+  ["787"],
+  ["788"],
+  ["789"],
+  ["790"],
+  ["791"],
+  ["792"],
+  ["793"],
+  ["794"],
+  ["795"],
+  ["796"],
+  ["797"],
+  ["798"],
+  ["799"],
+  ["800"],
+  ["801"],
+  ["802"],
+  ["803"],
+  ["804"],
+  ["805"],
+  ["806"],
+  ["807"],
+  ["808"],
+  ["809"],
+  ["810"],
+  ["811"],
+  ["812"],
+  ["813"],
+  ["814"],
+  ["815"],
+  ["816"],
+  ["817"],
+  ["818"],
+  ["819"],
+  ["820"],
+  ["821"],
+  ["822"],
+  ["823"],
+  ["824"],
+  ["825"],
+  ["826"],
+  ["827"],
+  ["828"],
+  ["829"],
+  ["830"],
+  ["831"],
+  ["832"],
+  ["833"],
+  ["834"],
+  ["835"],
+  ["836"],
+  ["837"],
+  ["838"],
+  ["839"],
+  ["840"],
+  ["841"],
+  ["842"],
+  ["843"],
+  ["844"],
+  ["845"],
+  ["846"],
+  ["847"],
+  ["848"],
+  ["849"],
+  ["850"],
+  ["851"],
+  ["852"],
+  ["853"],
+  ["854"],
+  ["855"],
+  ["856"],
+  ["857"],
+  ["858"],
+  ["859"],
+  ["860"],
+  ["861"],
+  ["862"],
+  ["863"],
+  ["864"],
+  ["865"],
+  ["866"],
+  ["867"],
+  ["868"],
+  ["869"],
+  ["870"],
+  ["871"],
+  ["872"],
+  ["873"],
+  ["874"],
+  ["875"],
+  ["876"],
+  ["877"],
+  ["878"],
+  ["879"],
+  ["880"],
+  ["881"],
+  ["882"],
+  ["883"],
+  ["884"],
+  ["885"],
+  ["886"],
+  ["887"],
+  ["888"],
+  ["889"],
+  ["890"],
+  ["891"],
+  ["892"],
+  ["893"],
+  ["894"],
+  ["895"],
+  ["896"],
+  ["897"],
+  ["898"],
+  ["899"],
+  ["900"],
+  ["901"],
+  ["902"],
+  ["903"],
+  ["904"],
+  ["905"],
+  ["906"],
+  ["907"],
+  ["908"],
+  ["909"],
+  ["910"],
+  ["911"],
+  ["912"],
+  ["913"],
+  ["914"],
+  ["915"],
+  ["916"],
+  ["917"],
+  ["918"],
+  ["919"],
+  ["920"],
+  ["921"],
+  ["922"],
+  ["923"],
+  ["924"],
+  ["925"],
+  ["926"],
+  ["927"],
+  ["928"],
+  ["929"],
+  ["930"],
+  ["931"],
+  ["932"],
+  ["933"],
+  ["934"],
+  ["935"],
+  ["936"],
+  ["937"],
+  ["938"],
+  ["939"],
+  ["940"],
+  ["941"],
+  ["942"],
+  ["943"],
+  ["944"],
+  ["945"],
+  ["946"],
+  ["947"],
+  ["948"],
+  ["949"],
+  ["950"],
+  ["951"],
+  ["952"],
+  ["953"],
+  ["954"],
+  ["955"],
+  ["956"],
+  ["957"],
+  ["958"],
+  ["959"],
+  ["960"],
+  ["961"],
+  ["962"],
+  ["963"],
+  ["964"],
+  ["965"],
+  ["966"],
+  ["967"],
+  ["968"],
+  ["969"],
+  ["970"],
+  ["971"],
+  ["972"],
+  ["973"],
+  ["974"],
+  ["975"],
+  ["976"],
+  ["977"],
+  ["978"],
+  ["979"],
+  ["980"],
+  ["981"],
+  ["982"],
+  ["983"],
+  ["984"],
+  ["985"],
+  ["986"],
+  ["987"],
+  ["988"],
+  ["989"],
+  ["990"],
+  ["991"],
+  ["992"],
+  ["993"],
+  ["994"],
+  ["995"],
+  ["996"],
+  ["997"],
+  ["998"],
+  ["999"],
+  ["1000"],
+  ["1001"],
+  ["1002"],
+  ["1003"],
+  ["1004"],
+  ["1005"],
+  ["1006"],
+  ["1007"],
+  ["1008"],
+  ["1009"],
+  ["1010"],
+  ["1011"],
+  ["1012"],
+  ["1013"],
+  ["1014"],
+  ["1015"],
+  ["1016"],
+  ["1017"],
+  ["1018"],
+  ["1019"],
+  ["1020"],
+  ["1021"],
+  ["1022"],
+  ["1023"],
+  ["1024"],
+  ["1025"],
+  ["1026"],
+  ["1027"],
+  ["1028"],
+  ["1029"],
+  ["1030"],
+  ["1031"],
+  ["1032"],
+  ["1033"],
+  ["1034"],
+  ["1035"],
+  ["1036"],
+  ["1037"],
+  ["1038"],
+  ["1039"],
+  ["1040"],
+  ["1041"],
+  ["1042"],
+  ["1043"],
+  ["1044"],
+  ["1045"],
+  ["1046"],
+  ["1047"],
+  ["1048"],
+  ["1049"],
+  ["1050"],
+  ["1051"],
+  ["1052"],
+  ["1053"],
+  ["1054"],
+  ["1055"],
+  ["1056"],
+  ["1057"],
+  ["1058"],
+  ["1059"],
+  ["1060"],
+  ["1061"],
+  ["1062"],
+  ["1063"],
+  ["1064"],
+  ["1065"],
+  ["1066"],
+  ["1067"],
+  ["1068"],
+  ["1069"],
+  ["1070"],
+  ["1071"],
+  ["1072"],
+  ["1073"],
+  ["1074"],
+  ["1075"],
+  ["1076"],
+  ["1077"],
+  ["1078"],
+  ["1079"],
+  ["1080"],
+  ["1081"],
+  ["1082"],
+  ["1083"],
+  ["1084"],
+  ["1085"],
+  ["1086"],
+  ["1087"],
+  ["1088"],
+  ["1089"],
+  ["1090"],
+  ["1091"],
+  ["1092"],
+  ["1093"],
+  ["1094"],
+  ["1095"],
+  ["1096"],
+  ["1097"],
+  ["1098"],
+  ["1099"],
+  ["1100"],
+  ["1101"],
+  ["1102"],
+  ["1103"],
+  ["1104"],
+  ["1105"],
+  ["1106"],
+  ["1107"],
+  ["1108"],
+  ["1109"],
+  ["1110"],
+  ["1111"],
+  ["1112"],
+  ["1113"],
+  ["1114"],
+  ["1115"],
+  ["1116"],
+  ["1117"],
+  ["1118"],
+  ["1119"],
+  ["1120"],
+  ["1121"],
+  ["1122"],
+  ["1123"],
+  ["1124"],
+  ["1125"],
+  ["1126"],
+  ["1127"],
+  ["1128"],
+  ["1129"],
+  ["1130"],
+  ["1131"],
+  ["1132"],
+  ["1133"],
+  ["1134"],
+  ["1135"],
+  ["1136"],
+  ["1137"],
+  ["1138"],
+  ["1139"],
+  ["1140"],
+  ["1141"],
+  ["1142"],
+  ["1143"],
+  ["1144"],
+  ["1145"],
+  ["1146"],
+  ["1147"],
+  ["1148"],
+  ["1149"],
+  ["1150"],
+  ["1151"],
+  ["1152"],
+  ["1153"],
+  ["1154"],
+  ["1155"],
+  ["1156"],
+  ["1157"],
+  ["1158"],
+  ["1159"],
+  ["1160"],
+  ["1161"],
+  ["1162"],
+  ["1163"],
+  ["1164"],
+  ["1165"],
+  ["1166"],
+  ["1167"],
+  ["1168"],
+  ["1169"],
+  ["1170"],
+  ["1171"],
+  ["1172"],
+  ["1173"],
+  ["1174"],
+  ["1175"],
+  ["1176"],
+  ["1177"],
+  ["1178"],
+  ["1179"],
+  ["1180"],
+  ["1181"],
+  ["1182"],
+  ["1183"],
+  ["1184"],
+  ["1185"],
+  ["1186"],
+  ["1187"],
+  ["1188"],
+  ["1189"],
+  ["1190"],
+  ["1191"],
+  ["1192"],
+  ["1193"],
+  ["1194"],
+  ["1195"],
+  ["1196"],
+  ["1197"],
+  ["1198"],
+  ["1199"],
+  ["1200"],
+  ["1201"],
+  ["1202"],
+  ["1203"],
+  ["1204"],
+  ["1205"],
+  ["1206"],
+  ["1207"],
+  ["1208"],
+  ["1209"],
+  ["1210"],
+  ["1211"],
+  ["1212"],
+  ["1213"],
+  ["1214"],
+  ["1215"],
+  ["1216"],
+  ["1217"],
+  ["1218"],
+  ["1219"],
+  ["1220"],
+  ["1221"],
+  ["1222"],
+  ["1223"],
+  ["1224"],
+  ["1225"],
+  ["1226"],
+  ["1227"],
+  ["1228"],
+  ["1229"],
+  ["1230"],
+  ["1231"],
+  ["1232"],
+  ["1233"],
+  ["1234"],
+  ["1235"],
+  ["1236"],
+  ["1237"],
+  ["1238"],
+  ["1239"],
+  ["1240"],
+  ["1241"],
+  ["1242"],
+  ["1243"],
+  ["1244"],
+  ["1245"],
+  ["1246"],
+  ["1247"],
+  ["1248"],
+  ["1249"]
+]
diff --git a/test/files/duckdb_delta_length_byte_array.metadata.json b/test/files/duckdb_delta_length_byte_array.metadata.json
new file mode 100644
index 0000000..31e0311
--- /dev/null
+++ b/test/files/duckdb_delta_length_byte_array.metadata.json
@@ -0,0 +1,48 @@
+{
+  "version": 1,
+  "schema": [
+    {
+      "repetition_type": "REQUIRED",
+      "name": "duckdb_schema",
+      "num_children": 1
+    },
+    {
+      "type": "BYTE_ARRAY",
+      "repetition_type": "OPTIONAL",
+      "name": "range_varchar",
+      "converted_type": "UTF8"
+    }
+  ],
+  "num_rows": 1250,
+  "row_groups": [
+    {
+      "columns": [
+        {
+          "file_offset": 0,
+          "meta_data": {
+            "type": "BYTE_ARRAY",
+            "encodings": ["DELTA_LENGTH_BYTE_ARRAY"],
+            "path_in_schema": ["range_varchar"],
+            "codec": "SNAPPY",
+            "num_values": 1250,
+            "total_uncompressed_size": 3996,
+            "total_compressed_size": 3390,
+            "data_page_offset": 4,
+            "statistics": {
+              "max": "999",
+              "min": "0",
+              "null_count": 0,
+              "max_value": "999",
+              "min_value": "0"
+            }
+          }
+        }
+      ],
+      "total_byte_size": 3996,
+      "num_rows": 1250,
+      "file_offset": 4
+    }
+  ],
+  "created_by": "DuckDB version v1.2.1 (build 8e52ec4395)",
+  "metadata_length": 164
+}
diff --git a/test/files/duckdb_delta_length_byte_array.parquet b/test/files/duckdb_delta_length_byte_array.parquet
new file mode 100644
index 0000000..cb65596
Binary files /dev/null and b/test/files/duckdb_delta_length_byte_array.parquet differ