com.exasol.sql.dml.merge.rendering

Class MergeRenderer

java.lang.Object

com.exasol.sql.rendering.AbstractFragmentRenderer

com.exasol.sql.dml.merge.rendering.MergeRenderer

All Implemented Interfaces:

MergeVisitor, FragmentRenderer, ValueTableVisitor

public class MergeRenderer
extends AbstractFragmentRenderer
implements MergeVisitor

The InsertRenderer turns SQL statement structures in to SQL strings.

Field Summary

Fields inherited from class com.exasol.sql.rendering.AbstractFragmentRenderer

config

Constructor Summary

Constructors

Constructor and Description
MergeRenderer(StringRendererConfig config) Create a new MergeRenderer with custom render settings.

Method Summary

Modifier and Type	Method and Description
static MergeRenderer	create() Create a MergeRenderer using the default renderer configuration.
static MergeRenderer	create(StringRendererConfig config) Create a MergeRenderer.
void	leave(InsertFields insertFields) Leave the insert field list.
void	leave(ValueTable valueTable)
void	leave(ValueTableRow valueTableRow)
void	visit(DerivedColumn derivedColumn) Visit a derived column reference.
void	visit(InsertFields insertFields) Visit the insert field list.
void	visit(MatchedClause matchedClause) Visit the definition of the merge strategy in case of matching rows.
void	visit(Merge merge) Visit MERGE statements.
void	visit(MergeColumnUpdate columnUpdate) Visit the update of a single column inside a MERGE statement.
void	visit(MergeDeleteClause mergeDeleteClause) Visit the deletion definition.
void	visit(MergeInsertClause mergeInsertClause) Visit the insert definition.
void	visit(MergeUpdateClause mergeUpdateClause) Visit the update definition.
void	visit(NotMatchedClause notMatchedClause) Visit the merge strategy in case of rows that have no match in the destination table.
void	visit(OnClause onClause) Visit the merge condition definition.
void	visit(Table table) Visit database tables.
void	visit(UsingClause using) Visit the source definition of a MERGE statement.
void	visit(ValueTable valueTable)
void	visit(ValueTableRow valueTableRow)
void	visit(WhereClause whereClause) Visit a WHERE clause.

Methods inherited from class com.exasol.sql.rendering.AbstractFragmentRenderer

append, append, appendAutoQuoted, appendCommaWhenNeeded, appendKeyWord, appendListOfValueExpressions, appendRenderedValueExpression, appendSpace, appendValueTableRow, endParenthesis, render, setLastVisited, startParenthesis

Methods inherited from class java.lang.Object

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

Constructor Detail

MergeRenderer

public MergeRenderer(StringRendererConfig config)

Create a new MergeRenderer with custom render settings.

Parameters:

config - render configuration settings

Method Detail

visit

public void visit(Merge merge)

Description copied from interface: MergeVisitor

Visit MERGE statements.

Specified by:

visit in interface MergeVisitor

Parameters:

merge - MERGE statement to be visited.

visit

public void visit(Table table)

Description copied from interface: MergeVisitor

Visit database tables.

Specified by:

visit in interface MergeVisitor

Parameters:

table - table to be visited.

visit

public void visit(UsingClause using)

Description copied from interface: MergeVisitor

Visit the source definition of a MERGE statement.

Specified by:

visit in interface MergeVisitor

Parameters:

using - source definition

visit

public void visit(OnClause onClause)

Description copied from interface: MergeVisitor

Visit the merge condition definition.

Specified by:

visit in interface MergeVisitor

Parameters:

onClause - merge condition definition

visit

public void visit(MatchedClause matchedClause)

Description copied from interface: MergeVisitor

Visit the definition of the merge strategy in case of matching rows.

Specified by:

visit in interface MergeVisitor

Parameters:

matchedClause - merge strategy definition for matches

visit

public void visit(MergeUpdateClause mergeUpdateClause)

Description copied from interface: MergeVisitor

Visit the update definition.

Specified by:

visit in interface MergeVisitor

Parameters:

mergeUpdateClause - update definition.

visit

public void visit(MergeColumnUpdate columnUpdate)

Description copied from interface: MergeVisitor

Visit the update of a single column inside a MERGE statement.

Specified by:

visit in interface MergeVisitor

Parameters:

columnUpdate - update definition for a single column

visit

public void visit(MergeDeleteClause mergeDeleteClause)

Description copied from interface: MergeVisitor

Visit the deletion definition.

Specified by:

visit in interface MergeVisitor

Parameters:

mergeDeleteClause - deletion definition

visit

public void visit(NotMatchedClause notMatchedClause)

Description copied from interface: MergeVisitor

Visit the merge strategy in case of rows that have no match in the destination table.

Specified by:

visit in interface MergeVisitor

Parameters:

notMatchedClause - merge strategy for rows without match

visit

public void visit(MergeInsertClause mergeInsertClause)

Description copied from interface: MergeVisitor

Visit the insert definition.

Specified by:

visit in interface MergeVisitor

Parameters:

mergeInsertClause - insert definition

create

public static MergeRenderer create(StringRendererConfig config)

Create a MergeRenderer.

Parameters:

config - renderer configuration

Returns:

MERGE renderer

create

public static MergeRenderer create()

Create a MergeRenderer using the default renderer configuration.

Returns:

MERGE renderer

visit

public void visit(DerivedColumn derivedColumn)

Description copied from interface: MergeVisitor

Visit a derived column reference.

Specified by:

visit in interface MergeVisitor

Parameters:

derivedColumn - derived column reference

visit

public void visit(InsertFields insertFields)

Description copied from interface: MergeVisitor

Visit the insert field list.

Specified by:

visit in interface MergeVisitor

Parameters:

insertFields - insert field list

leave

public void leave(InsertFields insertFields)

Description copied from interface: MergeVisitor

Leave the insert field list.

Specified by:

leave in interface MergeVisitor

Parameters:

insertFields - insert field list

visit

public void visit(ValueTable valueTable)

Specified by:

visit in interface ValueTableVisitor

leave

public void leave(ValueTable valueTable)

Specified by:

leave in interface ValueTableVisitor

visit

public void visit(ValueTableRow valueTableRow)

Specified by:

visit in interface ValueTableVisitor

leave

public void leave(ValueTableRow valueTableRow)

Specified by:

leave in interface ValueTableVisitor

visit

public void visit(WhereClause whereClause)

Description copied from interface: MergeVisitor

Visit a WHERE clause.

Specified by:

visit in interface MergeVisitor

Parameters:

whereClause - the WHERE clause to be visited