Package org.h2.mode
Class FunctionsOracle
java.lang.Object
org.h2.expression.Expression
org.h2.expression.OperationN
org.h2.expression.function.FunctionN
org.h2.mode.ModeFunction
org.h2.mode.FunctionsOracle
- All Implemented Interfaces:
ExpressionWithVariableParameters
,NamedExpression
,HasSQL
,Typed
Functions for
Mode.ModeEnum.Oracle
compatibility mode.-
Field Summary
FieldsModifier and TypeFieldDescriptionprivate static final int
private static final HashMap
<String, FunctionInfo> private static final int
private static final int
private static final int
private static final int
Fields inherited from class org.h2.mode.ModeFunction
info, VAR_ARGS
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 TypeMethodDescriptionprotected void
checkParameterCount
(int len) Check if the parameter count is correct.static FunctionsOracle
getFunction
(String upperName) Returns mode-specific function for a given name, ornull
.getValue
(SessionLocal session) Return the resulting value for the current row.optimize
(SessionLocal session) Try to optimize the expression.Methods inherited from class org.h2.mode.ModeFunction
doneWithParameters, getArgumentsValues, getFunction, getName, getNullOrValue, isEverything, optimizeArguments
Methods inherited from class org.h2.expression.function.FunctionN
getUnenclosedSQL, getValue
Methods inherited from class org.h2.expression.OperationN
addParameter, getCost, getSubexpression, getSubexpressionCount, getType, 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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ADD_MONTHS
private static final int ADD_MONTHS- See Also:
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SYS_GUID
private static final int SYS_GUID- See Also:
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TO_DATE
private static final int TO_DATE- See Also:
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TO_TIMESTAMP
private static final int TO_TIMESTAMP- See Also:
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TO_TIMESTAMP_TZ
private static final int TO_TIMESTAMP_TZ- See Also:
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FUNCTIONS
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Constructor Details
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FunctionsOracle
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Method Details
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getFunction
Returns mode-specific function for a given name, ornull
.- Parameters:
upperName
- the upper-case name of a function- Returns:
- the function with specified name or
null
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checkParameterCount
protected void checkParameterCount(int len) Description copied from class:ModeFunction
Check if the parameter count is correct.- Overrides:
checkParameterCount
in classModeFunction
- Parameters:
len
- the number of parameters set
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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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getValue
Description copied from class:Expression
Return the resulting value for the current row.
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