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| <li>Summary: </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.iceberg.flink</a></div> |
| <h2 title="Class FlinkSchemaUtil" class="title">Class FlinkSchemaUtil</h2> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
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| <li>org.apache.iceberg.flink.FlinkSchemaUtil</li> |
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| <pre>public class <span class="typeNameLabel">FlinkSchemaUtil</span> |
| extends java.lang.Object</pre> |
| <div class="block">Converter between Flink types and Iceberg type. The conversion is not a 1:1 mapping that not |
| allows back-and-forth conversion. So some information might get lost during the back-and-forth |
| conversion. |
| |
| <p>This inconsistent types: |
| |
| <ul> |
| <li>map Iceberg UUID type to Flink BinaryType(16) |
| <li>map Flink VarCharType(_) and CharType(_) to Iceberg String type |
| <li>map Flink VarBinaryType(_) to Iceberg Binary type |
| <li>map Flink TimeType(_) to Iceberg Time type (microseconds) |
| <li>map Flink TimestampType(_) to Iceberg Timestamp without zone type (microseconds) |
| <li>map Flink LocalZonedTimestampType(_) to Iceberg Timestamp with zone type (microseconds) |
| <li>map Flink MultiSetType to Iceberg Map type(element, int) |
| </ul> |
| |
| <p></div> |
| </li> |
| </ul> |
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| <div class="summary"> |
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| <!-- ========== METHOD SUMMARY =========== --> |
| <section> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static <a href="../Schema.html" title="class in org.apache.iceberg">Schema</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convert(org.apache.flink.table.api.TableSchema)">convert</a></span>​(org.apache.flink.table.api.TableSchema schema)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert the flink table schema to apache iceberg schema.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.flink.table.types.logical.RowType</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convert(org.apache.iceberg.Schema)">convert</a></span>​(<a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert a <a href="../Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> to a <code>Flink type</code>.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../Schema.html" title="class in org.apache.iceberg">Schema</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convert(org.apache.iceberg.Schema,org.apache.flink.table.api.TableSchema)">convert</a></span>​(<a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> baseSchema, |
| org.apache.flink.table.api.TableSchema flinkSchema)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert a Flink <code>TableSchema</code> to a <a href="../Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> based on the given schema.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.flink.table.types.logical.LogicalType</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#convert(org.apache.iceberg.types.Type)">convert</a></span>​(<a href="../types/Type.html" title="interface in org.apache.iceberg.types">Type</a> type)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert a <a href="../types/Type.html" title="interface in org.apache.iceberg.types"><code>Type</code></a> to a <code>Flink type</code>.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static org.apache.flink.table.api.TableSchema</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toSchema(org.apache.flink.table.types.logical.RowType)">toSchema</a></span>​(org.apache.flink.table.types.logical.RowType rowType)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert a <code>RowType</code> to a <code>TableSchema</code>.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.flink.table.api.TableSchema</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toSchema(org.apache.iceberg.Schema)">toSchema</a></span>​(<a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</code></th> |
| <td class="colLast"> |
| <div class="block">Convert a <a href="../Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> to a <code>TableSchema</code>.</div> |
| </td> |
| </tr> |
| </table> |
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| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <a id="convert(org.apache.flink.table.api.TableSchema)"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>convert</h4> |
| <pre class="methodSignature">public static <a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> convert​(org.apache.flink.table.api.TableSchema schema)</pre> |
| <div class="block">Convert the flink table schema to apache iceberg schema.</div> |
| </li> |
| </ul> |
| <a id="convert(org.apache.iceberg.Schema,org.apache.flink.table.api.TableSchema)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>convert</h4> |
| <pre class="methodSignature">public static <a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> convert​(<a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> baseSchema, |
| org.apache.flink.table.api.TableSchema flinkSchema)</pre> |
| <div class="block">Convert a Flink <code>TableSchema</code> to a <a href="../Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> based on the given schema. |
| |
| <p>This conversion does not assign new ids; it uses ids from the base schema. |
| |
| <p>Data types, field order, and nullability will match the Flink type. This conversion may |
| return a schema that is not compatible with base schema.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>baseSchema</code> - a Schema on which conversion is based</dd> |
| <dd><code>flinkSchema</code> - a Flink TableSchema</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the equivalent Schema</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the type cannot be converted or there are missing ids</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="convert(org.apache.iceberg.Schema)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>convert</h4> |
| <pre class="methodSignature">public static org.apache.flink.table.types.logical.RowType convert​(<a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</pre> |
| <div class="block">Convert a <a href="../Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> to a <code>Flink type</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>schema</code> - a Schema</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the equivalent Flink type</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the type cannot be converted to Flink</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="convert(org.apache.iceberg.types.Type)"> |
| <!-- --> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>convert</h4> |
| <pre class="methodSignature">public static org.apache.flink.table.types.logical.LogicalType convert​(<a href="../types/Type.html" title="interface in org.apache.iceberg.types">Type</a> type)</pre> |
| <div class="block">Convert a <a href="../types/Type.html" title="interface in org.apache.iceberg.types"><code>Type</code></a> to a <code>Flink type</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>type</code> - a Type</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the equivalent Flink type</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the type cannot be converted to Flink</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="toSchema(org.apache.flink.table.types.logical.RowType)"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>toSchema</h4> |
| <pre class="methodSignature">public static org.apache.flink.table.api.TableSchema toSchema​(org.apache.flink.table.types.logical.RowType rowType)</pre> |
| <div class="block">Convert a <code>RowType</code> to a <code>TableSchema</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>rowType</code> - a RowType</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Flink TableSchema</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="toSchema(org.apache.iceberg.Schema)"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>toSchema</h4> |
| <pre class="methodSignature">public static org.apache.flink.table.api.TableSchema toSchema​(<a href="../Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</pre> |
| <div class="block">Convert a <a href="../Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> to a <code>TableSchema</code>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>schema</code> - iceberg schema to convert.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Flink TableSchema.</dd> |
| </dl> |
| </li> |
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