public class DBParenthesisExpr extends DBColumnExpr implements Unwrappable<DBColumnExpr>
There is no need to explicitly create instances of this class.
Instead use DBColumnExpr.as(String)
attributes, beanPropertyName, DBCOLATTR_TITLE, DBCOLATTR_TYPE, options
CTX_ALIAS, CTX_ALL, CTX_DEFAULT, CTX_FULLNAME, CTX_NAME, CTX_NOPARENTHESIS, CTX_VALUE
Constructor and Description |
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DBParenthesisExpr(DBColumnExpr expr)
Constructs a DBAliasExpr object combine the DBColumnExpr object with the alias name.
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Modifier and Type | Method and Description |
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void |
addReferencedColumns(Set<DBColumn> list)
Internal function to obtain all DBColumnExpr-objects used by this expression.
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void |
addSQL(DBSQLBuilder sql,
long context)
Creates the SQL-Command adds the alias name to the SQL-Command.
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Element |
addXml(Element parent,
long flags)
This function set the alias name to the XML tag.
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boolean |
equals(Object other)
Overrides the equals method
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DBDatabase |
getDatabase()
Returns the current DBDatabase object.
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DataType |
getDataType()
Returns the data type of the DBColumnExpr object.
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Class<Enum<?>> |
getEnumType()
Returns the enum type of this Expression (if any)
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String |
getName()
This helper function returns the alias name.
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DBColumn |
getSourceColumn()
Returns the expression the source column.
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DBColumn |
getUpdateColumn()
Returns the DBColunm object.
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boolean |
isAggregate()
Forward to expression
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boolean |
isWrapper()
Indicates that we are actually an expression wrapper
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DBColumnExpr |
unwrap()
Returns the underlying column expression.
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abs, aggregate, append, as, as, asc, avg, ceiling, cmp, coalesce, concat, concat, convertTo, convertTo, count, countDistinct, day, decode, decode, decode, decode, decode, decode, decodeEnum, decodeSort, desc, divideBy, floor, format, function, getAttribute, getBeanPropertyName, getControlType, getExprFromPhrase, getExprFromPhrase, getJavaType, getOptions, getTitle, in, in, in, indexOf, indexOf, indexOf, is, isBetween, isGreaterThan, isLessOrEqual, isMoreOrEqual, isNot, isNotBetween, isSmallerThan, length, like, like, likeLower, likeUpper, lower, max, min, minus, minus, modulo, month, multiplyWith, notIn, notIn, notIn, notLike, nvl, on, parenthesis, plus, plus, qualified, replace, reverse, round, setAttribute, setBeanPropertyName, setControlType, setOptions, setTitle, stringAgg, stringAgg, substring, substring, substring, substring, substring, substring, sum, toChar, toChar, toString, trim, trimLeft, trimRight, trunc, upper, when, year
checkParamNull
public DBParenthesisExpr(DBColumnExpr expr)
expr
- an DBColumnExpr object, one columnpublic final DBDatabase getDatabase()
getDatabase
in class DBObject
public DataType getDataType()
getDataType
in interface ColumnExpr
getDataType
in class DBColumnExpr
DataType
public Class<Enum<?>> getEnumType()
getEnumType
in interface ColumnExpr
public String getName()
getName
in interface ColumnExpr
getName
in class DBColumnExpr
public DBColumn getSourceColumn()
getSourceColumn
in interface ColumnExpr
getSourceColumn
in class DBColumnExpr
public DBColumn getUpdateColumn()
getUpdateColumn
in class DBColumnExpr
public boolean isWrapper()
isWrapper
in interface Unwrappable<DBColumnExpr>
public DBColumnExpr unwrap()
unwrap
in interface Unwrappable<DBColumnExpr>
public boolean isAggregate()
isAggregate
in class DBColumnExpr
public boolean equals(Object other)
public void addReferencedColumns(Set<DBColumn> list)
DBExpr
addReferencedColumns
in class DBExpr
list
- list to which all used column expressions must be addedDBExpr.addReferencedColumns(Set)
public void addSQL(DBSQLBuilder sql, long context)
public Element addXml(Element parent, long flags)
addXml
in class DBColumnExpr
parent
- the parent element to which to append the column descriptionflags
- currently not usedCopyright © 2008–2023 Apache Software Foundation. All rights reserved.