Package org.h2.expression.function
Class CSVWriteFunction
java.lang.Object
org.h2.expression.Expression
org.h2.expression.OperationN
org.h2.expression.function.FunctionN
org.h2.expression.function.CSVWriteFunction
- All Implemented Interfaces:
ExpressionWithVariableParameters
,NamedExpression
,HasSQL
,Typed
A CSVWRITE function.
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Field Summary
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.private String
getValue
(SessionLocal session, int index) boolean
isEverything
(ExpressionVisitor visitor) Check if this expression and all sub-expressions can fulfill a criteria.optimize
(SessionLocal session) Try to optimize the expression.static void
setCsvDelimiterEscape
(Csv csv, String fieldSeparator, String fieldDelimiter, String escapeCharacter) Sets delimiter options.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, 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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Constructor Details
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CSVWriteFunction
public CSVWriteFunction()
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Method Details
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getValue
Description copied from class:Expression
Return the resulting value for the current row. -
getValue
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setCsvDelimiterEscape
public static void setCsvDelimiterEscape(Csv csv, String fieldSeparator, String fieldDelimiter, String escapeCharacter) Sets delimiter options.- Parameters:
csv
- the CSV utility instancefieldSeparator
- the field separatorfieldDelimiter
- the field delimiterescapeCharacter
- the escape character
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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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isEverything
Description copied from class:Expression
Check if this expression and all sub-expressions can fulfill a criteria. If any part returns false, the result is false.- Overrides:
isEverything
in classOperationN
- Parameters:
visitor
- the visitor- Returns:
- if the criteria can be fulfilled
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