Package org.h2.expression.function
Class CryptFunction
java.lang.Object
org.h2.expression.Expression
org.h2.expression.OperationN
org.h2.expression.function.FunctionN
org.h2.expression.function.CryptFunction
- All Implemented Interfaces:
ExpressionWithVariableParameters
,NamedExpression
,HasSQL
,Typed
An ENCRYPT or DECRYPT function.
-
Field Summary
FieldsModifier and TypeFieldDescriptionstatic final int
DECRYPT() (non-standard).static final int
ENCRYPT() (non-standard).private final int
private static final String[]
Fields inherited from class org.h2.expression.OperationN
args, argsCount, type
Fields inherited from class org.h2.expression.Expression
AUTO_PARENTHESES, MAP_IN_AGGREGATE, MAP_IN_WINDOW, MAP_INITIAL, WITH_PARENTHESES, WITHOUT_PARENTHESES
Fields inherited from interface org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS
-
Constructor Summary
ConstructorsConstructorDescriptionCryptFunction
(Expression arg1, Expression arg2, Expression arg3, int function) -
Method Summary
Modifier and TypeMethodDescriptiongetName()
Get the name.private static byte[]
getPaddedArrayCopy
(byte[] data, int blockSize) getValue
(SessionLocal session, Value v1, Value v2, Value v3) Returns the value of this function.optimize
(SessionLocal session) Try to optimize the expression.Methods inherited from class org.h2.expression.function.FunctionN
getUnenclosedSQL, getValue
Methods inherited from class org.h2.expression.OperationN
addParameter, doneWithParameters, getCost, getSubexpression, getSubexpressionCount, getType, isEverything, mapColumns, optimizeArguments, setEvaluatable, updateAggregate
Methods inherited from class org.h2.expression.Expression
addFilterConditions, createIndexConditions, getAlias, getBooleanValue, getColumnName, getColumnNameForView, getEnclosedSQL, getNonAliasExpression, getNotIfPossible, getNullable, getSchemaName, getSQL, getSQL, getSQL, getSQL, getTableAlias, getTableName, getWhenSQL, getWhenValue, isConstant, isIdentity, isNullConstant, isValueSet, isWhenConditionOperand, needParentheses, optimizeCondition, toString, writeExpressions, writeExpressions
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.h2.util.HasSQL
getTraceSQL
-
Field Details
-
ENCRYPT
public static final int ENCRYPTENCRYPT() (non-standard).- See Also:
-
DECRYPT
public static final int DECRYPTDECRYPT() (non-standard).- See Also:
-
NAMES
-
function
private final int function
-
-
Constructor Details
-
CryptFunction
-
-
Method Details
-
getValue
Description copied from class:FunctionN
Returns the value of this function. -
getPaddedArrayCopy
private static byte[] getPaddedArrayCopy(byte[] data, int blockSize) -
optimize
Description copied from class:Expression
Try to optimize the expression.- Specified by:
optimize
in classExpression
- Parameters:
session
- the session- Returns:
- the optimized expression
-
getName
Description copied from interface:NamedExpression
Get the name.- Returns:
- the name in uppercase
-