com.exasol.sql

Class ValueTable

java.lang.Object

com.exasol.sql.AbstractFragment

com.exasol.sql.ValueTable

All Implemented Interfaces:

Fragment

public class ValueTable
extends AbstractFragment

Value tables are pseudo-tables constructed from rows and columns of expressions (e.g. literals).

Field Summary

Fields inherited from class com.exasol.sql.AbstractFragment

root

Constructor Summary

Constructors

Constructor and Description
ValueTable(Fragment root) Create a new ValueTable.

Method Summary

Modifier and Type	Method and Description
void	accept(ValueTableVisitor visitor) Accept a visitor.
void	add(boolean... values) Add boolean values to the last row of the value table.
void	add(char... values) Add character values to the last row of the value table.
void	add(double... values) Add double values to the last row of the value table.
void	add(float... values) Add float values to the last row of the value table.
void	add(int... values) Add integer values to the last row of the value table.
void	add(long... values) Add long values to the last row of the value table.
void	add(String... values) Add string values to the last row of the value table.
void	add(ValueExpression... expressions) Add a list of value expressions to the last row of the value table.
void	addPlaceholder() Add an unnamed placeholder to the value table.
void	alias(String tableNameAlias, String... columnNameAliases) Set alias for the value table.
ValueTable	appendRow(String... literals) Append a value table row consisting of value literals to the value table.
ValueTable	appendRow(ValueTableRow row) Append a ValueTableRow to the ValueTable.
List<String>	getColumnNameAliases() Get column name aliases.
List<ValueTableRow>	getRows() Get a list of all rows in the value table.
String	getTableNameAlias() Get a table name alias.
boolean	hasAlias() CHeck if the value table has an alias.
protected boolean	isEmpty()

Methods inherited from class com.exasol.sql.AbstractFragment

getRoot

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueTable

public ValueTable(Fragment root)

Create a new ValueTable.

Parameters:

root - SQL statement this table belongs to

Method Detail

appendRow

public ValueTable appendRow(String... literals)

Append a value table row consisting of value literals to the value table.

Parameters:

literals - literals to be appended

Returns:

this for fluent programming

appendRow

public ValueTable appendRow(ValueTableRow row)

Append a ValueTableRow to the ValueTable.

Parameters:

row - row to be appended

Returns:

this for fluent programming

getRows

public List<ValueTableRow> getRows()

Get a list of all rows in the value table.

Returns:

rows

add

public void add(String... values)

Add string values to the last row of the value table.

Parameters:

values - values to be added

add

public void add(char... values)

Add character values to the last row of the value table.

Parameters:

values - values to be added

add

public void add(int... values)

Add integer values to the last row of the value table.

Parameters:

values - values to be added

add

public void add(long... values)

Add long values to the last row of the value table.

Parameters:

values - values to be added

add

public void add(double... values)

Add double values to the last row of the value table.

Parameters:

values - values to be added

add

public void add(float... values)

Add float values to the last row of the value table.

Parameters:

values - values to be added

add

public void add(boolean... values)

Add boolean values to the last row of the value table.

Parameters:

values - values to be added

addPlaceholder

public void addPlaceholder()

Add an unnamed placeholder to the value table.

Unnamed placeholders are the "?" in a prepared statement which are replaced by the actual variable values.

add

public void add(ValueExpression... expressions)

Add a list of value expressions to the last row of the value table.

Parameters:

expressions - value expressions to be added

isEmpty

protected boolean isEmpty()

accept

public void accept(ValueTableVisitor visitor)

Accept a visitor.

Parameters:

visitor - to be accepted

alias

public void alias(String tableNameAlias,
                  String... columnNameAliases)

Set alias for the value table.

Parameters:

tableNameAlias - table name alias

columnNameAliases - zero or more column names aliases

hasAlias

public boolean hasAlias()

CHeck if the value table has an alias.

Returns:

true if the value table has an alias

getTableNameAlias

public String getTableNameAlias()

Get a table name alias.

Returns:

table name alias

getColumnNameAliases

public List<String> getColumnNameAliases()

Get column name aliases.

Returns:

column name aliases