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| <div class="subTitle">org.apache.iceberg.flink</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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| <ul class="inheritance"> |
| <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> |
| <li>map Flink VarCharType(_) and CharType(_) to Iceberg String type</li> |
| <li>map Flink VarBinaryType(_) to Iceberg Binary type</li> |
| <li>map Flink TimeType(_) to Iceberg Time type (microseconds)</li> |
| <li>map Flink TimestampType(_) to Iceberg Timestamp without zone type (microseconds)</li> |
| <li>map Flink LocalZonedTimestampType(_) to Iceberg Timestamp with zone type (microseconds)</li> |
| <li>map Flink MultiSetType to Iceberg Map type(element, int)</li> |
| </ul> |
| <p></div> |
| </li> |
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| <h3>Method Summary</h3> |
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| <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> |
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| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static org.apache.flink.table.types.logical.RowType</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/flink/FlinkSchemaUtil.html#convert-org.apache.iceberg.Schema-">convert</a></span>(<a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</code> |
| <div class="block">Convert a <a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> to a <code>Flink type</code>.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg">Schema</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/flink/FlinkSchemaUtil.html#convert-org.apache.iceberg.Schema-org.apache.flink.table.api.TableSchema-">convert</a></span>(<a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg">Schema</a> baseSchema, |
| org.apache.flink.table.api.TableSchema flinkSchema)</code> |
| <div class="block">Convert a Flink <code>TableSchema</code> to a <a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg"><code>Schema</code></a> based on the given schema.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg">Schema</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/flink/FlinkSchemaUtil.html#convert-org.apache.flink.table.api.TableSchema-">convert</a></span>(org.apache.flink.table.api.TableSchema schema)</code> |
| <div class="block">Convert the flink table schema to apache iceberg schema.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static org.apache.flink.table.types.logical.LogicalType</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/flink/FlinkSchemaUtil.html#convert-org.apache.iceberg.types.Type-">convert</a></span>(<a href="../../../../org/apache/iceberg/types/Type.html" title="interface in org.apache.iceberg.types">Type</a> type)</code> |
| <div class="block">Convert a <a href="../../../../org/apache/iceberg/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> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/iceberg/flink/FlinkSchemaUtil.html#toSchema-org.apache.flink.table.types.logical.RowType-">toSchema</a></span>(org.apache.flink.table.types.logical.RowType rowType)</code> |
| <div class="block">Convert a <code>RowType</code> to a <code>TableSchema</code>.</div> |
| </td> |
| </tr> |
| </table> |
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| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
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| <a name="convert-org.apache.flink.table.api.TableSchema-"> |
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| <h4>convert</h4> |
| <pre>public static <a href="../../../../org/apache/iceberg/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> |
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| <a name="convert-org.apache.iceberg.Schema-org.apache.flink.table.api.TableSchema-"> |
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| <h4>convert</h4> |
| <pre>public static <a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg">Schema</a> convert(<a href="../../../../org/apache/iceberg/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="../../../../org/apache/iceberg/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 name="convert-org.apache.iceberg.Schema-"> |
| <!-- --> |
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| <h4>convert</h4> |
| <pre>public static org.apache.flink.table.types.logical.RowType convert(<a href="../../../../org/apache/iceberg/Schema.html" title="class in org.apache.iceberg">Schema</a> schema)</pre> |
| <div class="block">Convert a <a href="../../../../org/apache/iceberg/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 name="convert-org.apache.iceberg.types.Type-"> |
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| <h4>convert</h4> |
| <pre>public static org.apache.flink.table.types.logical.LogicalType convert(<a href="../../../../org/apache/iceberg/types/Type.html" title="interface in org.apache.iceberg.types">Type</a> type)</pre> |
| <div class="block">Convert a <a href="../../../../org/apache/iceberg/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> |
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| <h4>toSchema</h4> |
| <pre>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> |
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