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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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	<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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