Package org.h2.expression.function
Class StringFunction
java.lang.Object
org.h2.expression.Expression
org.h2.expression.OperationN
org.h2.expression.function.FunctionN
org.h2.expression.function.StringFunction
- All Implemented Interfaces:
ExpressionWithVariableParameters
,NamedExpression
,HasSQL
,Typed
An string function with multiple arguments.
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final int
static final int
INSERT() (non-standard).static final int
LOCATE() (non-standard).static final int
LPAD() (non-standard).private static final String[]
static final int
REPLACE() (non-standard).static final int
RPAD() (non-standard).static final int
TRANSLATE() (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
ConstructorsConstructorDescriptionStringFunction
(Expression[] args, int function) StringFunction
(Expression arg1, Expression arg2, Expression arg3, int function) StringFunction
(Expression arg1, Expression arg2, Expression arg3, Expression arg4, int function) -
Method Summary
Modifier and TypeMethodDescriptiongetName()
Get the name.getValue
(SessionLocal session) Return the resulting value for the current row.private static String
private static int
optimize
(SessionLocal session) Try to optimize the expression.private static String
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
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Field Details
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LOCATE
public static final int LOCATELOCATE() (non-standard).- See Also:
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INSERT
public static final int INSERTINSERT() (non-standard).- See Also:
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REPLACE
public static final int REPLACEREPLACE() (non-standard).- See Also:
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LPAD
public static final int LPADLPAD() (non-standard).- See Also:
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RPAD
public static final int RPADRPAD() (non-standard).- See Also:
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TRANSLATE
public static final int TRANSLATETRANSLATE() (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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StringFunction
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StringFunction
public StringFunction(Expression arg1, Expression arg2, Expression arg3, Expression arg4, int function) -
StringFunction
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Method Details
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getValue
Description copied from class:Expression
Return the resulting value for the current row. -
locate
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insert
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translate
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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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