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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.nlpcraft.model.tools.sqlgen</a></div> |
| <h2 title="Interface NCSqlColumn" class="title">Interface NCSqlColumn</h2> |
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| <pre>public interface <span class="typeNameLabel">NCSqlColumn</span></pre> |
| <div class="block">Object presentation of SQL column. |
| <p> |
| In JSON/YAML generated model SQL column is represented by the model element (example): |
| <pre class="brush: js"> |
| elements: |
| - id: "col:orders_customer_id" |
| groups: |
| - "column" |
| synonyms: |
| - "{customer_id|customer <ID>}" |
| - "orders {customer_id|customer <ID>}" |
| - "{customer_id|customer <ID>} <OF> orders" |
| metadata: |
| sql:name: "customer_id" |
| sql:tablename: "orders" |
| sql:datatype: 12 |
| sql:isnullable: true |
| sql:ispk: false |
| description: "Auto-generated from 'orders.customer_id' column." |
| valueLoader: "org.apache.nlpcraft.examples.sql.db.SqlValueLoader" |
| </pre> |
| Few notes: |
| <ul> |
| <li> |
| All model elements representing SQL column have ID in a form of <code>col:sql_table_name</code>. |
| </li> |
| <li> |
| All model elements representing SQL column belong to <code>column</code> group. |
| </li> |
| <li> |
| These model elements have auto-generated synonyms and set of mandatory metadata. |
| </li> |
| <li> |
| User can freely add group membership, change synonyms, add new metadata, add or change value loader. |
| </li> |
| </ul></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="NCSqlSchemaBuilder.html#makeSchema(org.apache.nlpcraft.model.NCModel)"><code>NCSqlSchemaBuilder.makeSchema(NCModel)</code></a>, |
| <a href="NCSqlExtractorBuilder.html#build(org.apache.nlpcraft.model.tools.sqlgen.NCSqlSchema,org.apache.nlpcraft.model.NCVariant)"><code>NCSqlExtractorBuilder.build(NCSqlSchema, NCVariant)</code></a>, |
| <a href="NCSqlExtractor.html#extractColumn(org.apache.nlpcraft.model.NCToken)"><code>NCSqlExtractor.extractColumn(NCToken)</code></a>, |
| <a href="NCSqlTable.html#getColumns()"><code>NCSqlTable.getColumns()</code></a>, |
| <a href="NCSqlSchema.html#getAllColumns()"><code>NCSqlSchema.getAllColumns()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
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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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract 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><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getColumn()">getColumn</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets native name of this column.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDataType()">getDataType</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets JDBC <a target="new" href="https://docs.oracle.com/javase/8/docs/api/java/sql/Types.html">data type</a> |
| for this column.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTable()">getTable</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Gets name of the table this column belongs to.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isNullable()">isNullable</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Tests whether or not this column is nullable.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isPk()">isPk</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Tests whether or not this column is a primary key column.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <h3>Method Detail</h3> |
| <a id="getTable()"> |
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| <li class="blockList"> |
| <h4>getTable</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> getTable()</pre> |
| <div class="block">Gets name of the table this column belongs to. |
| <p> |
| In JSON/YAML generated model the table name is declared with the following element |
| metadata (example): |
| <pre class="brush: js"> |
| sql:tablename: "customer_id" |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Name of the table this column belongs to.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getColumn()"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>getColumn</h4> |
| <pre class="methodSignature"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html?is-external=true" title="class or interface in java.lang" class="externalLink">String</a> getColumn()</pre> |
| <div class="block">Gets native name of this column. |
| <p> |
| In JSON/YAML generated model the native column name is declared with the following element |
| metadata (example): |
| <pre class="brush: js"> |
| sql:name: "customer_id" |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Name of this column.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getDataType()"> |
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| <h4>getDataType</h4> |
| <pre class="methodSignature">int getDataType()</pre> |
| <div class="block">Gets JDBC <a target="new" href="https://docs.oracle.com/javase/8/docs/api/java/sql/Types.html">data type</a> |
| for this column. |
| <p> |
| In JSON/YAML generated model the data type is declared with the following element |
| metadata (example): |
| <pre class="brush: js"> |
| sql:datatype: 12 |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>JDBC <a target="new" href="https://docs.oracle.com/javase/8/docs/api/java/sql/Types.html">data type</a> |
| for this column.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isPk()"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>isPk</h4> |
| <pre class="methodSignature">boolean isPk()</pre> |
| <div class="block">Tests whether or not this column is a primary key column. |
| <p> |
| In JSON/YAML generated model the primary key flag is declared with the following element |
| metadata (example): |
| <pre class="brush: js"> |
| sql:ispk: false |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether or not this column is a primary key column.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="isNullable()"> |
| <!-- --> |
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| <h4>isNullable</h4> |
| <pre class="methodSignature">boolean isNullable()</pre> |
| <div class="block">Tests whether or not this column is nullable. |
| <p> |
| In JSON/YAML generated model the nullable flag is declared with the following element |
| metadata (example): |
| <pre class="brush: js"> |
| sql:isnullable: false |
| </pre></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Whether or not this column is nullable.</dd> |
| </dl> |
| </li> |
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