pan3793 commented on code in PR #3187:
URL: https://github.com/apache/parquet-java/pull/3187#discussion_r2036973700
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parquet-cli/src/test/resources/cli-output/show_footer_command.txt:
##########
@@ -0,0 +1,331 @@
+{
+ "fileMetaData" : {
+ "schema" : {
+ "name" : "schema",
+ "repetition" : "REPEATED",
+ "logicalTypeAnnotation" : null,
+ "id" : null,
+ "fields" : [ {
+ "name" : "int32_field",
+ "repetition" : "REQUIRED",
+ "logicalTypeAnnotation" : null,
+ "id" : null,
+ "primitive" : "INT32",
+ "length" : 0,
+ "decimalMeta" : null,
+ "columnOrder" : {
+ "columnOrderName" : "TYPE_DEFINED_ORDER"
+ }
+ }, {
+ "name" : "int64_field",
+ "repetition" : "REQUIRED",
+ "logicalTypeAnnotation" : null,
+ "id" : null,
+ "primitive" : "INT64",
+ "length" : 0,
+ "decimalMeta" : null,
+ "columnOrder" : {
+ "columnOrderName" : "TYPE_DEFINED_ORDER"
+ }
+ }, {
+ "name" : "float_field",
+ "repetition" : "REQUIRED",
+ "logicalTypeAnnotation" : null,
+ "id" : null,
+ "primitive" : "FLOAT",
+ "length" : 0,
+ "decimalMeta" : null,
+ "columnOrder" : {
+ "columnOrderName" : "TYPE_DEFINED_ORDER"
+ }
+ }, {
+ "name" : "double_field",
+ "repetition" : "REQUIRED",
+ "logicalTypeAnnotation" : null,
+ "id" : null,
+ "primitive" : "DOUBLE",
+ "length" : 0,
+ "decimalMeta" : null,
+ "columnOrder" : {
+ "columnOrderName" : "TYPE_DEFINED_ORDER"
+ }
+ }, {
+ "name" : "binary_field",
+ "repetition" : "REQUIRED",
+ "logicalTypeAnnotation" : null,
+ "id" : null,
+ "primitive" : "BINARY",
+ "length" : 0,
+ "decimalMeta" : null,
+ "columnOrder" : {
+ "columnOrderName" : "TYPE_DEFINED_ORDER"
+ }
+ }, {
+ "name" : "flba_field",
+ "repetition" : "REQUIRED",
+ "logicalTypeAnnotation" : null,
+ "id" : null,
+ "primitive" : "FIXED_LEN_BYTE_ARRAY",
+ "length" : 12,
+ "decimalMeta" : null,
+ "columnOrder" : {
+ "columnOrderName" : "TYPE_DEFINED_ORDER"
+ }
+ }, {
+ "name" : "date_field",
+ "repetition" : "REQUIRED",
+ "logicalTypeAnnotation" : { },
+ "id" : null,
+ "primitive" : "INT32",
+ "length" : 0,
+ "decimalMeta" : null,
+ "columnOrder" : {
+ "columnOrderName" : "TYPE_DEFINED_ORDER"
+ }
+ } ],
+ "indexByName" : {
+ "binary_field" : 4,
+ "date_field" : 6,
+ "double_field" : 3,
+ "flba_field" : 5,
+ "float_field" : 2,
+ "int32_field" : 0,
+ "int64_field" : 1
+ }
+ },
+ "keyValueMetaData" : {
+ "writer.model.name" : "example"
+ },
+ "createdBy" : "*****",
+ "encryptionType" : "UNENCRYPTED"
+ },
+ "blocks" : [ {
+ "columns" : [ {
+ "rowGroupOrdinal" : 0,
+ "encodingStats" : {
+ "dictStats" : { },
+ "dataStats" : {
+ "DELTA_BINARY_PACKED" : 1
+ },
+ "usesV2Pages" : true
+ },
+ "properties" : {
+ "codec" : "UNCOMPRESSED",
+ "path" : {
+ "p" : [ "int32_field" ]
+ },
+ "encodings" : [ "DELTA_BINARY_PACKED" ]
+ },
+ "columnIndexReference" : {
+ "offset" : 573,
+ "length" : 23
+ },
+ "offsetIndexReference" : {
+ "offset" : 768,
+ "length" : 10
+ },
+ "bloomFilterOffset" : -1,
+ "bloomFilterLength" : -1,
+ "firstDataPage" : -2147483644,
+ "dictionaryPageOffset" : -2147483648,
+ "valueCount" : -2147483638,
+ "totalSize" : -2147483610,
+ "totalUncompressedSize" : -2147483610
+ }, {
+ "rowGroupOrdinal" : 0,
+ "encodingStats" : {
+ "dictStats" : { },
+ "dataStats" : {
+ "DELTA_BINARY_PACKED" : 1
+ },
+ "usesV2Pages" : true
+ },
+ "properties" : {
+ "codec" : "UNCOMPRESSED",
Review Comment:
this test uses UNCOMPRESSED thus the size of data SHOULD be
platform-agnostic, while if it uses codec like zstd, gzip, the compressed size
might be different in different platforms, let's say I use macOS M1 machine to
produce the golden file, which might be different from the output of Linux x64
machine.
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