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[apache#2962] feat(catalog-lakehouse-iceberg): Add reserved propertie…
…s to Iceberg Table Properties in Gravitino
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95 changes: 95 additions & 0 deletions
95
...strato/gravitino/catalog/lakehouse/iceberg/converter/DescribeIcebergSortOrderVisitor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Copyright 2024 Datastrato Pvt Ltd. | ||
| * This software is licensed under the Apache License version 2. | ||
| */ | ||
| package com.datastrato.gravitino.catalog.lakehouse.iceberg.converter; | ||
|
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| import org.apache.iceberg.NullOrder; | ||
| import org.apache.iceberg.transforms.SortOrderVisitor; | ||
|
|
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| /** | ||
| * Convert expressions of Iceberg SortOrders to function string. | ||
| * | ||
| * <p>Referred from org/apache/iceberg/spark/Spark3Util/DescribeSortOrderVisitor.java | ||
| */ | ||
| public class DescribeIcebergSortOrderVisitor implements SortOrderVisitor<String> { | ||
| public static final DescribeIcebergSortOrderVisitor INSTANCE = | ||
| new DescribeIcebergSortOrderVisitor(); | ||
|
|
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| private DescribeIcebergSortOrderVisitor() {} | ||
|
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| @Override | ||
| public String field( | ||
| String sourceName, | ||
| int sourceId, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("%s %s %s", sourceName, direction, nullOrder); | ||
| } | ||
|
|
||
| @Override | ||
| public String bucket( | ||
| String sourceName, | ||
| int sourceId, | ||
| int numBuckets, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("bucket(%s, %s) %s %s", numBuckets, sourceName, direction, nullOrder); | ||
| } | ||
|
|
||
| @Override | ||
| public String truncate( | ||
| String sourceName, | ||
| int sourceId, | ||
| int width, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("truncate(%s, %s) %s %s", sourceName, width, direction, nullOrder); | ||
| } | ||
|
|
||
| @Override | ||
| public String year( | ||
| String sourceName, | ||
| int sourceId, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("years(%s) %s %s", sourceName, direction, nullOrder); | ||
| } | ||
|
|
||
| @Override | ||
| public String month( | ||
| String sourceName, | ||
| int sourceId, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("months(%s) %s %s", sourceName, direction, nullOrder); | ||
| } | ||
|
|
||
| @Override | ||
| public String day( | ||
| String sourceName, | ||
| int sourceId, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("days(%s) %s %s", sourceName, direction, nullOrder); | ||
| } | ||
|
|
||
| @Override | ||
| public String hour( | ||
| String sourceName, | ||
| int sourceId, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("hours(%s) %s %s", sourceName, direction, nullOrder); | ||
| } | ||
|
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| @Override | ||
| public String unknown( | ||
| String sourceName, | ||
| int sourceId, | ||
| String transform, | ||
| org.apache.iceberg.SortDirection direction, | ||
| NullOrder nullOrder) { | ||
| return String.format("%s(%s) %s %s", transform, sourceName, direction, nullOrder); | ||
| } | ||
| } |
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