Top Description Fields Constructors Methods
org.h2.mode

pack-priv final Class CompatibilityDateTimeValueFunction

extends Operation0
implements NamedExpression
Class Inheritance
All Implemented Interfaces
org.h2.expression.function.NamedExpression
Imports
org.h2.engine.SessionLocal, org.h2.expression.ExpressionVisitor, .Operation0, org.h2.expression.function.NamedExpression, org.h2.util.DateTimeUtils, .TimeZoneProvider, org.h2.value.TypeInfo, .Value, .ValueTimestamp, .ValueTimestampTimeZone
Current datetime value function.

Field Summary

Modifier and TypeField and Description
private final int
function

private static final String[]
NAMES

private final int
scale

pack-priv static final int
SYSDATE

The function "SYSDATE"

pack-priv static final int
SYSTIMESTAMP

The function "SYSTIMESTAMP"

private final TypeInfo
type

Constructor Summary

AccessConstructor and Description
pack-priv
CompatibilityDateTimeValueFunction(int function, int scale)

Method Summary

Modifier and TypeMethod and Description
public int
getCost()

Implements abstract org.h2.expression.Expression.getCost.

Estimate the cost to process the expression.

public String
getName()

Implements org.h2.expression.function.NamedExpression.getName.

Get the name.

public TypeInfo
getType()

Implements abstract org.h2.expression.Expression.getType.

Implements org.h2.value.Typed.getType.

Returns the data type.

public StringBuilder
getUnenclosedSQL(StringBuilder
string builder
builder, int
formatting flags
sqlFlags)

Implements abstract org.h2.expression.Expression.getUnenclosedSQL.

Get the SQL statement of this expression.

public Value
getValue(SessionLocal
the session
session)

Implements abstract org.h2.expression.Expression.getValue.

Return the resulting value for the current row.

public boolean
isEverything(ExpressionVisitor
the visitor
visitor)

Implements abstract org.h2.expression.Expression.isEverything.

Check if this expression and all sub-expressions can fulfill a criteria.

Inherited from org.h2.expression.Operation0:
mapColumnsoptimizesetEvaluatableupdateAggregate

Field Detail

functionback to summary
private final int function
NAMESback to summary
private static final String[] NAMES
scaleback to summary
private final int scale
SYSDATEback to summary
pack-priv static final int SYSDATE

The function "SYSDATE"

SYSTIMESTAMPback to summary
pack-priv static final int SYSTIMESTAMP

The function "SYSTIMESTAMP"

typeback to summary
private final TypeInfo type

Constructor Detail

CompatibilityDateTimeValueFunctionback to summary
pack-priv CompatibilityDateTimeValueFunction(int function, int scale)

Method Detail

getCostback to summary
public int getCost()

Implements abstract org.h2.expression.Expression.getCost.

Doc from org.h2.expression.Expression.getCost.

Estimate the cost to process the expression. Used when optimizing the query, to calculate the query plan with the lowest estimated cost.

Returns:int

the estimated cost

Annotations
@Override
getNameback to summary
public String getName()

Implements org.h2.expression.function.NamedExpression.getName.

Doc from org.h2.expression.function.NamedExpression.getName.

Get the name.

Returns:String

the name in uppercase

Annotations
@Override
getTypeback to summary
public TypeInfo getType()

Implements abstract org.h2.expression.Expression.getType.

Implements org.h2.value.Typed.getType.

Doc from org.h2.expression.Expression.getType.

Returns the data type. The data type may be unknown before the optimization phase.

Returns:TypeInfo

the data type

Annotations
@Override
getUnenclosedSQLback to summary
public StringBuilder getUnenclosedSQL(StringBuilder builder, int sqlFlags)

Implements abstract org.h2.expression.Expression.getUnenclosedSQL.

Doc from org.h2.expression.Expression.getUnenclosedSQL.

Get the SQL statement of this expression. This may not always be the original SQL statement, especially after optimization. Enclosing '(' and ')' are never appended.

Parameters
builder:StringBuilder

string builder

sqlFlags:int

formatting flags

Returns:StringBuilder

the specified string builder

Annotations
@Override
getValueback to summary
public Value getValue(SessionLocal session)

Implements abstract org.h2.expression.Expression.getValue.

Doc from org.h2.expression.Expression.getValue.

Return the resulting value for the current row.

Parameters
session:SessionLocal

the session

Returns:Value

the result

Annotations
@Override
isEverythingback to summary
public boolean isEverything(ExpressionVisitor visitor)

Implements abstract org.h2.expression.Expression.isEverything.

Doc from org.h2.expression.Expression.isEverything.

Check if this expression and all sub-expressions can fulfill a criteria. If any part returns false, the result is false.

Parameters
visitor:ExpressionVisitor

the visitor

Returns:boolean

if the criteria can be fulfilled

Annotations
@Override