gudusoft.gsqlparser.dlineage.dataflow.model

Class SqllrSnapshot.Layout

Object

gudusoft.gsqlparser.dlineage.dataflow.model.SqllrSnapshot.Layout

Enclosing class:

SqllrSnapshot

public static final class SqllrSnapshot.Layout
extends Object

The output layout of one query block: its items, also when there are none.

Method Summary

Modifier and Type	Method and Description
int	getColumns() The number of select items: 0 for SELECT FROM t (complete and empty), -1 for a set operation.
List<SqllrSnapshot.Anchor>	getItems()
List<String>	getKinds() Per item: WILDCARD (decided by the parse) or the expression type (EExpressionType).
SqllrSnapshot.Anchor	getSelect()
String	getSetOperator() For a set operation, its operator (ESetOperatorType name); its operands have their own layouts.
long	getStatement() The handle of the statement whose parse holds the query.
boolean	isInto() Whether the query has an INTO clause.
void	write(StringBuilder out)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getStatement

public long getStatement()

The handle of the statement whose parse holds the query.

getSelect

public SqllrSnapshot.Anchor getSelect()

getSetOperator

public String getSetOperator()

For a set operation, its operator (ESetOperatorType name); its operands have their own layouts.

getColumns

public int getColumns()

The number of select items: 0 for SELECT FROM t (complete and empty), -1 for a set operation.

getKinds

public List<String> getKinds()

Per item: WILDCARD (decided by the parse) or the expression type (EExpressionType).

getItems

public List<SqllrSnapshot.Anchor> getItems()

isInto

public boolean isInto()

Whether the query has an INTO clause.

write

public void write(StringBuilder out)