Package org.h2.expression.function
Class XMLFunction
java.lang.Object
org.h2.expression.Expression
org.h2.expression.OperationN
org.h2.expression.function.FunctionN
org.h2.expression.function.XMLFunction
- All Implemented Interfaces:
ExpressionWithVariableParameters
,NamedExpression
,HasSQL
,Typed
An XML function.
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final int
private static final String[]
static final int
XMLATTR() (non-standard).static final int
XMLCDATA() (non-standard).static final int
XMLCOMMENT() (non-standard).static final int
XMLNODE() (non-standard).static final int
XMLSTARTDOC() (non-standard).static final int
XMLTEXT() (non-standard).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
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptiongetName()
Get the name.getValue
(SessionLocal session) Return the resulting value for the current row.protected Value
getValue
(SessionLocal session, Value v1, Value v2, Value v3) Returns the value of this function.optimize
(SessionLocal session) Try to optimize the expression.private Value
xmlNode
(SessionLocal session) Methods inherited from class org.h2.expression.function.FunctionN
getUnenclosedSQL
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
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Field Details
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XMLATTR
public static final int XMLATTRXMLATTR() (non-standard).- See Also:
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XMLCDATA
public static final int XMLCDATAXMLCDATA() (non-standard).- See Also:
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XMLCOMMENT
public static final int XMLCOMMENTXMLCOMMENT() (non-standard).- See Also:
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XMLNODE
public static final int XMLNODEXMLNODE() (non-standard).- See Also:
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XMLSTARTDOC
public static final int XMLSTARTDOCXMLSTARTDOC() (non-standard).- See Also:
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XMLTEXT
public static final int XMLTEXTXMLTEXT() (non-standard).- See Also:
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NAMES
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function
private final int function
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Constructor Details
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XMLFunction
public XMLFunction(int function)
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Method Details
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getValue
Description copied from class:Expression
Return the resulting value for the current row. -
xmlNode
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getValue
Description copied from class:FunctionN
Returns the value of this function. -
optimize
Description copied from class:Expression
Try to optimize the expression.- Specified by:
optimize
in classExpression
- Parameters:
session
- the session- Returns:
- the optimized expression
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getName
Description copied from interface:NamedExpression
Get the name.- Returns:
- the name in uppercase
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