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| <h2 title="Interface SqlWriter.Frame" class="title">Interface SqlWriter.Frame</h2> |
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| <pre>public static interface <span class="typeNameLabel">SqlWriter.Frame</span></pre> |
| <div class="block">A Frame is a piece of generated text which shares a common indentation |
| level. |
| |
| <p>Every frame has a beginning, a series of clauses and separators, and |
| an end. A typical frame is a comma-separated list. It begins with a "(", |
| consists of expressions separated by ",", and ends with a ")". |
| |
| <p>A select statement is also a kind of frame. The beginning and end are |
| are empty strings, but it consists of a sequence of clauses. "SELECT", |
| "FROM", "WHERE" are separators. |
| |
| <p>A frame is current between a call to one of the |
| <a href="../../../../org/apache/calcite/sql/SqlWriter.html#startList-java.lang.String-java.lang.String-"><code>SqlWriter.startList(java.lang.String, java.lang.String)</code></a> methods and the call to |
| <a href="../../../../org/apache/calcite/sql/SqlWriter.html#endList-org.apache.calcite.sql.SqlWriter.Frame-"><code>SqlWriter.endList(Frame)</code></a>. If other code starts a frame in the mean |
| time, the sub-frame is put onto a stack.</div> |
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