JpqlHelper (sd4j 1.0.2 API)

java.lang.Object
- springdao.support.JpqlHelper

```
public class JpqlHelper
extends Object
```
Author:

Kent Yeh

Constructor Summary

Constructors
Constructor and Description

JpqlHelper()

Constructors
Constructor and Description
`JpqlHelper()`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`JpqlHelper`	`$(String s)` add String.
`static String`	`$q(String s)` Quote string within two single quote 'string'.
`JpqlHelper`	`abs()` append a string ABS.
`JpqlHelper`	`abs(String field)` append a string ABS(field).
`JpqlHelper`	`all()` append a string ALL.
`JpqlHelper`	`all(String subquery)` append a string ALL(subquery).
`JpqlHelper`	`and()` append a string AND.
`JpqlHelper`	`any()` append a string ANY.
`JpqlHelper`	`any(String subquery)` append a string ANY(subquery).
`JpqlHelper`	`as(String field)` append a string AS field.
`JpqlHelper`	`asc()` append a string ASC.
`JpqlHelper`	`avg()` append a string AVG.
`JpqlHelper`	`avg(String field)` append a string AVG(field).
`JpqlHelper`	`between()` append a string BETWEEN.
`JpqlHelper`	`between(String from, String to)` append a string BETWEEN from AND to.
`JpqlHelper`	`c$()` append a comma ",".
`JpqlHelper`	`c$(String s)` append string prefix a comma ",".
`JpqlHelper`	`cAbs()` append a string ,ABS.
`JpqlHelper`	`cAbs(String field)` append a string ,ABS(field).
`JpqlHelper`	`Case()` append a string CASE.
`JpqlHelper`	`Case(String field)` append a string CASE field.
`JpqlHelper`	`cast(String field, String typeValue)` EclipseLink support: append a string CAST(field , typeValue).
`JpqlHelper`	`cAvg()` append a string ,AVG.
`JpqlHelper`	`cAvg(String field)` append a string ,AVG(field).
`JpqlHelper`	`cCase()` append a string ,CASE.
`JpqlHelper`	`cCase(String field)` append a string ,CASE field.
`JpqlHelper`	`cCoalesce(String field, String defaultValue)` append a string ,COALESCE(field , defaultValue).
`JpqlHelper`	`cConcat(String first, String second)` append a string ,CONCAT(first , second).
`JpqlHelper`	`cCount()` append a string ,COUNT.
`JpqlHelper`	`cCount(String field)` append a string ,COUNT(field).
`JpqlHelper`	`cCountDistinct(String field)` append a string ,COUNT(DISTINCT field).
`JpqlHelper`	`cCurrDate()` append a string ,CURRENT_DATE.
`JpqlHelper`	`cCurrTime()` append a string ,CURRENT_TIME.
`JpqlHelper`	`cCurrTimeStamp()` append a string ,CURRENT_TIMESTAMP.
`JpqlHelper`	`cExtract(String dt, String field)` EclipseLink support: append a string ,EXTRACT(dt , field).
`JpqlHelper`	`cLength()` append a string ,LENGTH.
`JpqlHelper`	`cLength(String field)` append a string ,LENGTH(field).
`JpqlHelper`	`cLocate(String substr, String field)` append a string ,LOCATE(substr , field).
`JpqlHelper`	`cLower()` append a string ,LOWER.
`JpqlHelper`	`cLower(String field)` append a string ,LOWER(field).
`JpqlHelper`	`cMax()` append a string ,MAX.
`JpqlHelper`	`cMax(String field)` append a string ,MAX(field).
`JpqlHelper`	`cMin()` append a string ,MIN.
`JpqlHelper`	`cMin(String field)` append a string ,MIN(field).
`JpqlHelper`	`cMod(String number, String divisor)` append a string ,MOD(number,divisor).
`JpqlHelper`	`cNullif(String field, String defaultValue)` append a string ,NULLIF(field , defaultValue).
`JpqlHelper`	`coalesce(String field, String defaultValue)` append a string COALESCE(field , defaultValue).
`JpqlHelper`	`column(String field, String entityOrAlias)` EclipseLink support: append a string COLUMN('field, entityOrAlias).
`JpqlHelper`	`concat(String first, String second)` append a string CONCAT(first , second).
`JpqlHelper`	`count()` append a string COUNT.
`JpqlHelper`	`count(String field)` append a string COUNT(field).
`JpqlHelper`	`countDistinct(String field)` append a string COUNT(DISTINCT field).
`JpqlHelper`	`cSqrt()` append a string ,SQRT.
`JpqlHelper`	`cSqrt(String field)` append a string ,SQRT(field).
`JpqlHelper`	`cSubstring(String field, int start, int end)` append a string ,SUBSTRING(field , start , end).
`JpqlHelper`	`cSum()` append a string ,SUM.
`JpqlHelper`	`cSum(String field)` append a string ,SUM(field).
`JpqlHelper`	`cTrim()` append a string ,TRIM.
`JpqlHelper`	`cTrim(String field)` append a string ,TRIM(field).
`JpqlHelper`	`cUpper()` append a string ,UPPER.
`JpqlHelper`	`cUpper(String field)` append a string ,UPPER(field).
`JpqlHelper`	`currDate()` append a string CURRENT_DATE.
`JpqlHelper`	`currTime()` append a string CURRENT_TIME.
`JpqlHelper`	`currTimeStamp()` append a string CURRENT_TIMESTAMP.
`JpqlHelper`	`delete()` append a string DELETE.
`JpqlHelper`	`delete(String entity)` append a string DELETE entity.
`JpqlHelper`	`desc()` append a string DESC.
`JpqlHelper`	`distinct()` append a string DISTINCT.
`JpqlHelper`	`distinct(String fields)` append a string DISTINCT fields.
`JpqlHelper`	`Else(String result)` append a string ELSE result.
`JpqlHelper`	`elseEnd(String result)` append a string ELSE result END.
`JpqlHelper`	`end()` append a string END.
`JpqlHelper`	`eq()` append a string =.
`JpqlHelper`	`eq(String right)` append a string =right.
`JpqlHelper`	`eq(String left, String right)` append a string left=right.
`JpqlHelper`	`except()` append a string EXCEPT.
`JpqlHelper`	`exists()` append a string EXISTS.
`JpqlHelper`	`extract(String dt, String field)` EclipseLink support: append a string EXTRACT(dt , field).
`JpqlHelper`	`False()` append a string FALSE.
`JpqlHelper`	`fetch()` append a string FETCH.
`JpqlHelper`	`fetch(String field)` append a string FETCH field.
`String`	`format(Object... args)`
`JpqlHelper`	`from()` append a string FROM.
`JpqlHelper`	`from(String entity)` append a string FROM entity.
`JpqlHelper`	`function(String name, String... values)` append " FUNCTION( name, [value1, [field2]]".
`static JpqlHelper`	`get()` Factory method to get a instance of JpqlHelper.
`JpqlHelper`	`groupBy()` append a string GROUP BY.
`JpqlHelper`	`groupBy(String fields)` append a string GROUP BY fields.
`JpqlHelper`	`having()` append a string HAVING.
`JpqlHelper`	`having(String criteria)` append a string HAVING criteria.
`JpqlHelper`	`in()` append a string IN.
`JpqlHelper`	`in(String fields)` append a string IN (fields).
`JpqlHelper`	`innerJoin()` append a string INNER JOIN.
`JpqlHelper`	`innerJoin(String other)` append a string INNER JOIN other.
`JpqlHelper`	`intersect()` append a string INTERSECT.
`JpqlHelper`	`isEmpty()` append a string IS EMPTY.
`JpqlHelper`	`isNotEmpty()` append a string IS NOT EMPTY.
`JpqlHelper`	`isNotNull()` append a string IS NOT NULL.
`JpqlHelper`	`isNull()` append a string IS NULL.
`JpqlHelper`	`join()` append a string JOIN.
`JpqlHelper`	`join(String other)` append a string JOIN other.
`JpqlHelper`	`leftJoin()` append a string LEFT OUTER JOIN.
`JpqlHelper`	`leftJoin(String other)` append a string LEFT OUTER JOIN other.
`JpqlHelper`	`length()` append a string LENGTH.
`JpqlHelper`	`length(String field)` append a string LENGTH(field).
`JpqlHelper`	`like()` append a string LIKE.
`JpqlHelper`	`like(String left, String right)` append a string left LIKE right.
`JpqlHelper`	`locate(String substr, String field)` append a string LOCATE(substr , field).
`JpqlHelper`	`lower()` append a string LOWER.
`JpqlHelper`	`lower(String field)` append a string LOWER(field).
`JpqlHelper`	`lp$()` add left parentheses " (;.
`JpqlHelper`	`max()` append a string MAX.
`JpqlHelper`	`max(String field)` append a string MAX(field).
`JpqlHelper`	`memberOf()` append a string MEMBER OF.
`JpqlHelper`	`memberOf(String left, String right)` append a string left MEMBER OF right.
`JpqlHelper`	`min()` append a string MIN.
`JpqlHelper`	`min(String field)` append a string MIN(field).
`JpqlHelper`	`mod(String number, String divisor)` append a string MOD(number,divisor).
`JpqlHelper`	`New()` append a string NEW.
`JpqlHelper`	`New(String entityName, String... fields)` append " NEW entityName(field1 [,field2]) ".
`JpqlHelper`	`not()` append a string NOT.
`JpqlHelper`	`notExists()` append a string NOT EXISTS.
`JpqlHelper`	`nullif(String field, String defaultValue)` append a string NULLIF(field , defaultValue).
`JpqlHelper`	`nullsFirst()` append a string NULLS FIRST.
`JpqlHelper`	`on()` append a string ON.
`JpqlHelper`	`operator(String name, String... values)` EclipseLink support: OPERATOR is similar to `function()`.
`JpqlHelper`	`or()` append a string OR.
`JpqlHelper`	`orderBy()` append a string ORDER BY.
`JpqlHelper`	`orderBy(String fields)` append a string ORDER BY fields.
`JpqlHelper`	`ps$(String s)` add "(..string..)
`JpqlHelper`	`q$(String s)` Quote string within two single quote 'string'.
`String`	`ql()` Alias for `toString()`.
`JpqlHelper`	`regexp()` EclipseLink support: append a string REGEXP.
`JpqlHelper`	`regexp(String field, String regexpr)` append a string field REGEXP regexpr.
`JpqlHelper`	`rp$()` add right parentheses ")".
`JpqlHelper`	`select()` append a string SELECT.
`JpqlHelper`	`select(String fields)` append a string SELECT fields.
`JpqlHelper`	`selectDistinct()` append a string SELECT DISTINCT.
`JpqlHelper`	`selectDistinct(String fields)` append a string SELECT DISTINCT fields.
`JpqlHelper`	`set()` append a string SET.
`JpqlHelper`	`set(String left, String right)` append a string SET left=right.
`JpqlHelper`	`some()` append a string SOME.
`JpqlHelper`	`some(String subquery)` append a string SOME(subquery).
`JpqlHelper`	`sps$(String s)` add " (..string..)
`JpqlHelper`	`sqrt()` append a string SQRT.
`JpqlHelper`	`sqrt(String field)` append a string SQRT(field).
`JpqlHelper`	`substring(String field, int start, int end)` append a string SUBSTRING(field , start , end).
`JpqlHelper`	`sum()` append a string SUM.
`JpqlHelper`	`sum(String field)` append a string SUM(field).
`JpqlHelper`	`table(String name)` EclipseLink support: append TABLE(name).
`JpqlHelper`	`then()` append a string THEN.
`String`	`toString()`
`JpqlHelper`	`treat(String entity)` append TREAT(entity).
`JpqlHelper`	`trim()` append a string TRIM.
`JpqlHelper`	`trim(String field)` append a string TRIM(field).
`JpqlHelper`	`True()` append a string TRUE.
`JpqlHelper`	`union()` append a string UNION.
`JpqlHelper`	`update()` append a string UPDATE.
`JpqlHelper`	`update(String entity)` append a string UPDATE entity.
`JpqlHelper`	`upper()` append a string UPPER.
`JpqlHelper`	`upper(String field)` append a string UPPER(field).
`JpqlHelper`	`when()` append a string WHEN.
`JpqlHelper`	`whenThen(String condition, String result)` append a string WHEN condition THEN result.
`JpqlHelper`	`where()` append a string WHERE.
`JpqlHelper`	`where(String qlCriteria)` append a string WHERE qlCriteria.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - JpqlHelper
```
public JpqlHelper()
```
- Method Detail
  - get
```
public static JpqlHelper get()
```
    Factory method to get a instance of JpqlHelper.
    取得一個新建的instance
    
    Returns:
    
    this
  - $q
```
public static String $q(String s)
```
    Quote string within two single quote 'string'.
    字串前後加單引號
    
    Parameters:
    
    s -
    
    Returns:
    
    's'
  - $
```
public JpqlHelper $(String s)
```
    add String.
    加入字串
    
    Parameters:
    
    s - 字串
    
    Returns:
    
    this
  - c$
```
public JpqlHelper c$()
```
    append a comma ",".
    加入一個逗點(,)
    
    Returns:
    
    this
  - c$
```
public JpqlHelper c$(String s)
```
    append string prefix a comma ",".
    加入一個逗點後再加字串
    
    Parameters:
    
    s -
    
    Returns:
    
    this
  - q$
```
public JpqlHelper q$(String s)
```
    Quote string within two single quote 'string'.
    用兩個單引號夾住字串
    
    Parameters:
    
    s -
    
    Returns:
    
    this
  - ps$
```
public JpqlHelper ps$(String s)
```
    add "(..string..)".
    將字串置於括號內 "(..string..)"
    
    Parameters:
    
    s -
    
    Returns:
    
    this
  - lp$
```
public JpqlHelper lp$()
```
    add left parentheses " (;.
    加入左括號 "("
    
    Returns:
    
    this
  - rp$
```
public JpqlHelper rp$()
```
    add right parentheses ")".
    加入右括號 ")"
    
    Returns:
    
    this
  - sps$
```
public JpqlHelper sps$(String s)
```
    add " (..string..)"
    
    Parameters:
    
    s -
    
    Returns:
    
    this
  - select
```
public JpqlHelper select()
```
    append a string SELECT.
    加入一個SELECT字串
    
    Returns:
    
    this
  - select
```
public JpqlHelper select(String fields)
```
    append a string SELECT fields.
    加入一個SELECT fields字串
    
    Parameters:
    
    fields -
    
    Returns:
    
    this
  - selectDistinct
```
public JpqlHelper selectDistinct()
```
    append a string SELECT DISTINCT.
    加入一個SELECT DISTINCT字串
    
    Returns:
    
    this
  - selectDistinct
```
public JpqlHelper selectDistinct(String fields)
```
    append a string SELECT DISTINCT fields.
    加入一個SELECT DISTINCT fields字串
    
    Parameters:
    
    fields -
    
    Returns:
    
    this
  - from
```
public JpqlHelper from()
```
    append a string FROM.
    加入一個FROM字串
    
    Returns:
    
    this
  - from
```
public JpqlHelper from(String entity)
```
    append a string FROM entity.
    加入一個FROM entity字串
    
    Parameters:
    
    entity -
    
    Returns:
    
    this
  - where
```
public JpqlHelper where()
```
    append a string WHERE.
    加入一個WHERE字串
    
    Returns:
    
    this
  - where
```
public JpqlHelper where(String qlCriteria)
```
    append a string WHERE qlCriteria.
    加入一個WHERE qlCriteria字串
    
    Parameters:
    
    qlCriteria -
    
    Returns:
    
    this
  - Case
```
public JpqlHelper Case()
```
    append a string CASE.
    加入一個CASE字串
    
    Returns:
    
    this
  - cCase
```
public JpqlHelper cCase()
```
    append a string ,CASE.
    加入一個,CASE字串
    
    Returns:
    
    this
  - Case
```
public JpqlHelper Case(String field)
```
    append a string CASE field.
    加入一個CASE field字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cCase
```
public JpqlHelper cCase(String field)
```
    append a string ,CASE field.
    加入一個,CASE field字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - when
```
public JpqlHelper when()
```
    append a string WHEN.
    加入一個WHEN字串
    
    Returns:
    
    this
  - then
```
public JpqlHelper then()
```
    append a string THEN.
    加入一個THEN字串
    
    Returns:
    
    this
  - whenThen
```
public JpqlHelper whenThen(String condition,
                           String result)
```
    append a string WHEN condition THEN result.
    加入一個WHEN condition THEN result字串
    
    Parameters:
    
    condition -
    
    result -
    
    Returns:
    
    this
  - Else
```
public JpqlHelper Else(String result)
```
    append a string ELSE result.
    加入一個ELSE <result字串
    
    Parameters:
    
    result -
    
    Returns:
    
    this
  - elseEnd
```
public JpqlHelper elseEnd(String result)
```
    append a string ELSE result END.
    加入一個ELSE <result END字串
    
    Parameters:
    
    result -
    
    Returns:
    
    this
  - end
```
public JpqlHelper end()
```
    append a string END.
    加入一個END字串
    
    Returns:
    
    this
  - update
```
public JpqlHelper update()
```
    append a string UPDATE.
    加入一個UPDATE字串
    
    Returns:
    
    this
  - update
```
public JpqlHelper update(String entity)
```
    append a string UPDATE entity.
    加入一個UPDATE entity字串
    
    Parameters:
    
    entity -
    
    Returns:
    
    this
  - delete
```
public JpqlHelper delete()
```
    append a string DELETE.
    加入一個DELETE FROM字串
    
    Returns:
    
    this
  - delete
```
public JpqlHelper delete(String entity)
```
    append a string DELETE entity.
    加入一個DELETE FROM entity字串
    
    Parameters:
    
    entity -
    
    Returns:
    
    this
  - join
```
public JpqlHelper join()
```
    append a string JOIN.
    加入一個JOIN字串
    
    Returns:
    
    this
  - join
```
public JpqlHelper join(String other)
```
    append a string JOIN other.
    加入一個JOIN other字串
    
    Parameters:
    
    other -
    
    Returns:
    
    this
  - innerJoin
```
public JpqlHelper innerJoin()
```
    append a string INNER JOIN.
    加入一個INNER JOIN字串
    
    Returns:
    
    this
  - innerJoin
```
public JpqlHelper innerJoin(String other)
```
    append a string INNER JOIN other.
    加入一個INNER JOIN other字串
    
    Parameters:
    
    other -
    
    Returns:
    
    this
  - leftJoin
```
public JpqlHelper leftJoin()
```
    append a string LEFT OUTER JOIN.
    加入一個LEFT OUTER JOIN字串
    
    Returns:
    
    this
  - leftJoin
```
public JpqlHelper leftJoin(String other)
```
    append a string LEFT OUTER JOIN other.
    加入一個LEFT OUTER JOIN other字串
    
    Parameters:
    
    other -
    
    Returns:
    
    this
  - on
```
public JpqlHelper on()
```
    append a string ON.
    加入一個ON字串
    
    Returns:
    
    this
  - union
```
public JpqlHelper union()
```
    append a string UNION.
    加入一個UNION字串
    
    Returns:
    
    this
  - intersect
```
public JpqlHelper intersect()
```
    append a string INTERSECT.
    加入一個INTERSECT字串
    
    Returns:
    
    this
  - except
```
public JpqlHelper except()
```
    append a string EXCEPT.
    加入一個EXCEPT字串
    
    Returns:
    
    this
  - groupBy
```
public JpqlHelper groupBy()
```
    append a string GROUP BY.
    加入一個GROUP BY字串
    
    Returns:
    
    this
  - groupBy
```
public JpqlHelper groupBy(String fields)
```
    append a string GROUP BY fields.
    加入一個GROUP BY fields字串
    
    Parameters:
    
    fields -
    
    Returns:
    
    this
  - having
```
public JpqlHelper having()
```
    append a string HAVING.
    加入一個HAVING字串
    
    Returns:
    
    this
  - having
```
public JpqlHelper having(String criteria)
```
    append a string HAVING criteria.
    加入一個HAVING criteria字串
    
    Parameters:
    
    criteria -
    
    Returns:
    
    this
  - fetch
```
public JpqlHelper fetch()
```
    append a string FETCH.
    加入一個FETCH字串
    
    Returns:
    
    this
  - fetch
```
public JpqlHelper fetch(String field)
```
    append a string FETCH field.
    加入一個FETCH field字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - distinct
```
public JpqlHelper distinct()
```
    append a string DISTINCT.
    加入一個DISTINCT字串
    
    Returns:
    
    this
  - distinct
```
public JpqlHelper distinct(String fields)
```
    append a string DISTINCT fields.
    加入一個DISTINCT fields字串
    
    Parameters:
    
    fields -
    
    Returns:
    
    this
  - isNull
```
public JpqlHelper isNull()
```
    append a string IS NULL.
    加入一個IS NULL字串
    
    Returns:
    
    this
  - isNotNull
```
public JpqlHelper isNotNull()
```
    append a string IS NOT NULL.
    加入一個IS NOT NULL字串
    
    Returns:
    
    this
  - True
```
public JpqlHelper True()
```
    append a string TRUE.
    加入一個TRUE字串
    
    Returns:
    
    this
  - False
```
public JpqlHelper False()
```
    append a string FALSE.
    加入一個FALSE字串
    
    Returns:
    
    this
  - not
```
public JpqlHelper not()
```
    append a string NOT.
    加入一個NOT字串
    
    Returns:
    
    this
  - and
```
public JpqlHelper and()
```
    append a string AND.
    加入一個AND字串
    
    Returns:
    
    this
  - or
```
public JpqlHelper or()
```
    append a string OR.
    加入一個OR字串
    
    Returns:
    
    this
  - between
```
public JpqlHelper between()
```
    append a string BETWEEN.
    加入一個BETWEEN字串
    
    Returns:
    
    this
  - between
```
public JpqlHelper between(String from,
                          String to)
```
    append a string BETWEEN from AND to.
    加入一個BETWEEN from AND to字串
    
    Parameters:
    
    from -
    
    to -
    
    Returns:
    
    this
  - like
```
public JpqlHelper like()
```
    append a string LIKE.
    加入一個LIKE字串
    
    Returns:
    
    this
  - like
```
public JpqlHelper like(String left,
                       String right)
```
    append a string left LIKE right.
    加入一個left LIKE right字串
    
    Parameters:
    
    left -
    
    right -
    
    Returns:
    
    this
  - in
```
public JpqlHelper in()
```
    append a string IN.
    加入一個IN字串
    
    Returns:
    
    this
  - in
```
public JpqlHelper in(String fields)
```
    append a string IN (fields).
    加入一個IN (fields)字串
    
    Parameters:
    
    fields -
    
    Returns:
    
    this
  - as
```
public JpqlHelper as(String field)
```
    append a string AS field.
    加入一個AS fields字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - isEmpty
```
public JpqlHelper isEmpty()
```
    append a string IS EMPTY.
    加入一個IS EMPTY字串
    
    Returns:
    
    this
  - isNotEmpty
```
public JpqlHelper isNotEmpty()
```
    append a string IS NOT EMPTY.
    加入一個IS NOT EMPTY字串
    
    Returns:
    
    this
  - memberOf
```
public JpqlHelper memberOf()
```
    append a string MEMBER OF.
    加入一個MEMBER OF字串
    
    Returns:
    
    this
  - memberOf
```
public JpqlHelper memberOf(String left,
                           String right)
```
    append a string left MEMBER OF right.
    加入一個left MEMBER OF right字串
    
    Parameters:
    
    left -
    
    right -
    
    Returns:
    
    this
  - abs
```
public JpqlHelper abs()
```
    append a string ABS.
    加入一個ABS字串
    
    Returns:
    
    this
  - cAbs
```
public JpqlHelper cAbs()
```
    append a string ,ABS.
    加入一個,ABS字串
    
    Returns:
    
    this
  - abs
```
public JpqlHelper abs(String field)
```
    append a string ABS(field).
    加入一個ABS(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cAbs
```
public JpqlHelper cAbs(String field)
```
    append a string ,ABS(field).
    加入一個,ABS(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - avg
```
public JpqlHelper avg()
```
    append a string AVG.
    加入一個AVG字串
    
    Returns:
    
    this
  - cAvg
```
public JpqlHelper cAvg()
```
    append a string ,AVG.
    加入一個,AVG字串
    
    Returns:
    
    this
  - avg
```
public JpqlHelper avg(String field)
```
    append a string AVG(field).
    加入一個AVG(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cAvg
```
public JpqlHelper cAvg(String field)
```
    append a string ,AVG(field).
    加入一個,AVG(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - sqrt
```
public JpqlHelper sqrt()
```
    append a string SQRT.
    加入一個SQRT字串
    
    Returns:
    
    this
  - cSqrt
```
public JpqlHelper cSqrt()
```
    append a string ,SQRT.
    加入一個,SQRT字串
    
    Returns:
    
    this
  - sqrt
```
public JpqlHelper sqrt(String field)
```
    append a string SQRT(field).
    加入一個SQRT(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cSqrt
```
public JpqlHelper cSqrt(String field)
```
    append a string ,SQRT(field).
    加入一個,SQRT(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - coalesce
```
public JpqlHelper coalesce(String field,
                           String defaultValue)
```
    append a string COALESCE(field , defaultValue).
    加入一個COALESCE(field , defaultValue)字串
    
    Parameters:
    
    field -
    
    defaultValue -
    
    Returns:
    
    this
  - cCoalesce
```
public JpqlHelper cCoalesce(String field,
                            String defaultValue)
```
    append a string ,COALESCE(field , defaultValue).
    加入一個,COALESCE(field , defaultValue)字串
    
    Parameters:
    
    field -
    
    defaultValue -
    
    Returns:
    
    this
  - nullif
```
public JpqlHelper nullif(String field,
                         String defaultValue)
```
    append a string NULLIF(field , defaultValue).
    加入一個NULLIF(field , defaultValue)字串
    
    Parameters:
    
    field -
    
    defaultValue -
    
    Returns:
    
    this
  - cNullif
```
public JpqlHelper cNullif(String field,
                          String defaultValue)
```
    append a string ,NULLIF(field , defaultValue).
    加入一個,NULLIF(field , defaultValue)字串
    
    Parameters:
    
    field -
    
    defaultValue -
    
    Returns:
    
    this
  - max
```
public JpqlHelper max()
```
    append a string MAX.
    加入一個MAX字串
    
    Returns:
    
    this
  - cMax
```
public JpqlHelper cMax()
```
    append a string ,MAX.
    加入一個,MAX字串
    
    Returns:
    
    this
  - max
```
public JpqlHelper max(String field)
```
    append a string MAX(field).
    加入一個MAX(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cMax
```
public JpqlHelper cMax(String field)
```
    append a string ,MAX(field).
    加入一個,MAX(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - min
```
public JpqlHelper min()
```
    append a string MIN.
    加入一個MIN字串
    
    Returns:
    
    this
  - cMin
```
public JpqlHelper cMin()
```
    append a string ,MIN.
    加入一個,MIN字串
    
    Returns:
    
    this
  - min
```
public JpqlHelper min(String field)
```
    append a string MIN(field).
    加入一個MIN(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cMin
```
public JpqlHelper cMin(String field)
```
    append a string ,MIN(field).
    加入一個,MIN(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - sum
```
public JpqlHelper sum()
```
    append a string SUM.
    加入一個SUM字串
    
    Returns:
    
    this
  - cSum
```
public JpqlHelper cSum()
```
    append a string ,SUM.
    加入一個,SUM字串
    
    Returns:
    
    this
  - sum
```
public JpqlHelper sum(String field)
```
    append a string SUM(field).
    加入一個SUM(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cSum
```
public JpqlHelper cSum(String field)
```
    append a string ,SUM(field).
    加入一個,SUM(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - count
```
public JpqlHelper count()
```
    append a string COUNT.
    加入一個COUNT字串
    
    Returns:
    
    this
  - cCount
```
public JpqlHelper cCount()
```
    append a string ,COUNT.
    加入一個,COUNT字串
    
    Returns:
    
    this
  - count
```
public JpqlHelper count(String field)
```
    append a string COUNT(field).
    加入一個COUNT(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cCount
```
public JpqlHelper cCount(String field)
```
    append a string ,COUNT(field).
    加入一個,COUNT(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - countDistinct
```
public JpqlHelper countDistinct(String field)
```
    append a string COUNT(DISTINCT field).
    加入一個COUNT(DISTINCT field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cCountDistinct
```
public JpqlHelper cCountDistinct(String field)
```
    append a string ,COUNT(DISTINCT field).
    加入一個,COUNT(DISTINCT field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - orderBy
```
public JpqlHelper orderBy()
```
    append a string ORDER BY.
    加入一個ORDER BY字串
    
    Returns:
    
    this
  - nullsFirst
```
public JpqlHelper nullsFirst()
```
    append a string NULLS FIRST.
    加入一個NULLS FIRST字串
    
    Returns:
    
    this
  - orderBy
```
public JpqlHelper orderBy(String fields)
```
    append a string ORDER BY fields.
    加入一個ORDER BY fields字串
    
    Parameters:
    
    fields -
    
    Returns:
    
    this
  - asc
```
public JpqlHelper asc()
```
    append a string ASC.
    加入一個ASC字串
    
    Returns:
    
    this
  - desc
```
public JpqlHelper desc()
```
    append a string DESC.
    加入一個DESC字串
    
    Returns:
    
    this
  - mod
```
public JpqlHelper mod(String number,
                      String divisor)
```
    append a string MOD(number,divisor).
    加入一個MOD(number,divisor)字串
    
    Parameters:
    
    number -
    
    divisor -
    
    Returns:
    
    this
  - cMod
```
public JpqlHelper cMod(String number,
                       String divisor)
```
    append a string ,MOD(number,divisor).
    加入一個mMOD(number,divisor)字串
    
    Parameters:
    
    number -
    
    divisor -
    
    Returns:
    
    this
  - upper
```
public JpqlHelper upper()
```
    append a string UPPER.
    加入一個UPPER字串
    
    Returns:
    
    this
  - cUpper
```
public JpqlHelper cUpper()
```
    append a string ,UPPER.
    加入一個,UPPER字串
    
    Returns:
    
    this
  - upper
```
public JpqlHelper upper(String field)
```
    append a string UPPER(field).
    加入一個UPPER(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cUpper
```
public JpqlHelper cUpper(String field)
```
    append a string ,UPPER(field).
    加入一個,UPPER(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - lower
```
public JpqlHelper lower()
```
    append a string LOWER.
    加入一個LOWER字串
    
    Returns:
    
    this
  - cLower
```
public JpqlHelper cLower()
```
    append a string ,LOWER.
    加入一個,LOWER字串
    
    Returns:
    
    this
  - lower
```
public JpqlHelper lower(String field)
```
    append a string LOWER(field).
    加入一個LOWER(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cLower
```
public JpqlHelper cLower(String field)
```
    append a string ,LOWER(field).
    加入一個,LOWER(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - trim
```
public JpqlHelper trim()
```
    append a string TRIM.
    加入一個TRIM字串
    
    Returns:
    
    this
  - cTrim
```
public JpqlHelper cTrim()
```
    append a string ,TRIM.
    加入一個,TRIM字串
    
    Returns:
    
    this
  - trim
```
public JpqlHelper trim(String field)
```
    append a string TRIM(field).
    加入一個TRIM(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cTrim
```
public JpqlHelper cTrim(String field)
```
    append a string ,TRIM(field).
    加入一個,TRIM(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - concat
```
public JpqlHelper concat(String first,
                         String second)
```
    append a string CONCAT(first , second).
    加入一個CONCAT(first , second)字串
    
    Parameters:
    
    first -
    
    second -
    
    Returns:
    
    this
  - cConcat
```
public JpqlHelper cConcat(String first,
                          String second)
```
    append a string ,CONCAT(first , second).
    加入一個,CONCAT(first , second)字串
    
    Parameters:
    
    first -
    
    second -
    
    Returns:
    
    this
  - substring
```
public JpqlHelper substring(String field,
                            int start,
                            int end)
```
    append a string SUBSTRING(field , start , end).
    加入一個SUBSTRING(field , start , end)字串
    
    Parameters:
    
    field -
    
    start -
    
    end -
    
    Returns:
    
    this
  - cSubstring
```
public JpqlHelper cSubstring(String field,
                             int start,
                             int end)
```
    append a string ,SUBSTRING(field , start , end).
    加入一個,SUBSTRING(field , start , end)字串
    
    Parameters:
    
    field -
    
    start -
    
    end -
    
    Returns:
    
    this
  - locate
```
public JpqlHelper locate(String substr,
                         String field)
```
    append a string LOCATE(substr , field).
    加入一個LOCATE(substr , field)字串
    
    Parameters:
    
    substr -
    
    field -
    
    Returns:
    
    this
  - cLocate
```
public JpqlHelper cLocate(String substr,
                          String field)
```
    append a string ,LOCATE(substr , field).
    加入一個,LOCATE(substr , field)字串
    
    Parameters:
    
    substr -
    
    field -
    
    Returns:
    
    this
  - length
```
public JpqlHelper length()
```
    append a string LENGTH.
    加入一個LENGTH字串
    
    Returns:
    
    this
  - cLength
```
public JpqlHelper cLength()
```
    append a string ,LENGTH.
    加入一個,LENGTH字串
    
    Returns:
    
    this
  - length
```
public JpqlHelper length(String field)
```
    append a string LENGTH(field).
    加入一個LENGTH(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - cLength
```
public JpqlHelper cLength(String field)
```
    append a string ,LENGTH(field).
    加入一個,LENGTH(field)字串
    
    Parameters:
    
    field -
    
    Returns:
    
    this
  - currTime
```
public JpqlHelper currTime()
```
    append a string CURRENT_TIME.
    加入一個CURRENT_TIME字串
    
    Returns:
    
    this
  - cCurrTime
```
public JpqlHelper cCurrTime()
```
    append a string ,CURRENT_TIME.
    加入一個,CURRENT_TIME字串
    
    Returns:
    
    this
  - currDate
```
public JpqlHelper currDate()
```
    append a string CURRENT_DATE.
    加入一個CURRENT_DATE字串
    
    Returns:
    
    this
  - cCurrDate
```
public JpqlHelper cCurrDate()
```
    append a string ,CURRENT_DATE.
    加入一個,CURRENT_DATE字串
    
    Returns:
    
    this
  - currTimeStamp
```
public JpqlHelper currTimeStamp()
```
    append a string CURRENT_TIMESTAMP.
    加入一個CURRENT_TIMESTAMP字串
    
    Returns:
    
    this
  - cCurrTimeStamp
```
public JpqlHelper cCurrTimeStamp()
```
    append a string ,CURRENT_TIMESTAMP.
    加入一個,CURRENT_TIMESTAMP字串
    
    Returns:
    
    this
  - New
```
public JpqlHelper New()
```
    append a string NEW.
    加入一個NEW字串
    
    Returns:
    
    this
  - New
```
public JpqlHelper New(String entityName,
                      String... fields)
```
    append " NEW entityName(field1 [,field2]) ".
    加入" NEW entityName(field1 [,field2]) "
    
    Parameters:
    
    entityName -
    
    fields -
    
    Returns:
    
    NEW entityName,field1[,field2[,field3[...]]]
  - exists
```
public JpqlHelper exists()
```
    append a string EXISTS.
    加入一個EXISTS字串
    
    Returns:
    
    this
  - notExists
```
public JpqlHelper notExists()
```
    append a string NOT EXISTS.
    加入一個NOT EXISTS字串
    
    Returns:
    
    this
  - all
```
public JpqlHelper all()
```
    append a string ALL.
    加入一個ALL字串
    
    Returns:
    
    this
  - all
```
public JpqlHelper all(String subquery)
```
    append a string ALL(subquery).
    加入一個ALL(subquery)字串
    
    Parameters:
    
    subquery -
    
    Returns:
    
    this
  - any
```
public JpqlHelper any()
```
    append a string ANY.
    加入一個ANY字串
    
    Returns:
    
    this
  - any
```
public JpqlHelper any(String subquery)
```
    append a string ANY(subquery).
    加入一個ANY(subquery)字串
    
    Parameters:
    
    subquery -
    
    Returns:
    
    this
  - some
```
public JpqlHelper some()
```
    append a string SOME.
    加入一個SOME字串
    
    Returns:
    
    this
  - some
```
public JpqlHelper some(String subquery)
```
    append a string SOME(subquery).
    加入一個SOME(subquery)字串
    
    Parameters:
    
    subquery -
    
    Returns:
    
    this
  - set
```
public JpqlHelper set()
```
    append a string SET.
    加入一個SET字串
    
    Returns:
    
    this
  - set
```
public JpqlHelper set(String left,
                      String right)
```
    append a string SET left=right.
    加入一個SET left=right字串
    
    Parameters:
    
    left -
    
    right -
    
    Returns:
    
    this
  - eq
```
public JpqlHelper eq()
```
    append a string =.
    加入一個=字串
    
    Returns:
    
    this
  - eq
```
public JpqlHelper eq(String right)
```
    append a string =right.
    加入一個=right字串
    
    Parameters:
    
    right -
    
    Returns:
    
    this
  - eq
```
public JpqlHelper eq(String left,
                     String right)
```
    append a string left=right.
    加入一個left=right字串
    
    Parameters:
    
    left -
    
    right -
    
    Returns:
    
    this
  - format
```
public String format(Object... args)
```
    Parameters:
    
    args - A format string
    
    Returns:
    
    String.format(toString(),args);
  - cast
```
public JpqlHelper cast(String field,
                       String typeValue)
```
    EclipseLink support:
    append a string CAST(field , typeValue).
    加入一個CAST(field , typeValue)字串
    
    Parameters:
    
    field -
    
    typeValue -
    
    Returns:
    
    this
  - extract
```
public JpqlHelper extract(String dt,
                          String field)
```
    EclipseLink support:
    append a string EXTRACT(dt , field).
    加入一個EXTRACT(dt , field)字串
    
    Parameters:
    
    dt -
    
    field -
    
    Returns:
    
    this
  - cExtract
```
public JpqlHelper cExtract(String dt,
                           String field)
```
    EclipseLink support:
    append a string ,EXTRACT(dt , field).
    加入一個,EXTRACT(dt , field)字串
    
    Parameters:
    
    dt -
    
    field -
    
    Returns:
    
    this
  - function
```
public JpqlHelper function(String name,
                           String... values)
```
    append " FUNCTION( name, [value1, [field2]]".
    加入" FUNCTION( name, [value1, [field2]]"
    
    Parameters:
    
    name -
    
    values -
    
    Returns:
    
    FUNCTION('name',valu1[,valu2[,valu3[...]]])
  - operator
```
public JpqlHelper operator(String name,
                           String... values)
```
    EclipseLink support:
    OPERATOR is similar to function().
    OPERATOR 相似於 function()
    
    Parameters:
    
    name -
    
    values -
    
    Returns:
    
    OPERATOR('name',valu1[,valu2[,valu3[...]]])
  - treat
```
public JpqlHelper treat(String entity)
```
    append TREAT(entity).
    加入 TREAT(entity) 字串
    
    Parameters:
    
    entity -
    
    Returns:
    
    TREAT(entity)
  - regexp
```
public JpqlHelper regexp()
```
    EclipseLink support:
    append a string REGEXP.
    加入一個REGEXP字串
    
    Returns:
    
    this
  - regexp
```
public JpqlHelper regexp(String field,
                         String regexpr)
```
    append a string field REGEXP regexpr.
    加入一個field REGEXP regexpr字串
    
    Parameters:
    
    field -
    
    regexpr -
    
    Returns:
    
    this
  - column
```
public JpqlHelper column(String field,
                         String entityOrAlias)
```
    EclipseLink support:
    append a string COLUMN('field, entityOrAlias).
    加入COLUMN('field, entityOrAlias).
    字串
    
    Parameters:
    
    field -
    
    entityOrAlias -
    
    Returns:
    
    this
  - table
```
public JpqlHelper table(String name)
```
    EclipseLink support:
    append TABLE(name).
    加入 TABLE(name) 字串
    
    Parameters:
    
    name -
    
    Returns:
    
    TABLE('name')
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - ql
```
public String ql()
```
    Alias for toString().
    輸入JPQL
    
    Returns:
    
    toString()

Class JpqlHelper

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

JpqlHelper

Method Detail

get

$q

$

c$

c$

q$

ps$

lp$

rp$

sps$

select

select

selectDistinct

selectDistinct

from

from

where

where

Case

cCase

Case

cCase

when

then

whenThen

Else

elseEnd

end

update

update

delete

delete

join

join

innerJoin

innerJoin

leftJoin

leftJoin

on

union

intersect

except

groupBy

groupBy

having

having

fetch

fetch

distinct

distinct

isNull

isNotNull

True

False

not

and

or

between

between

like

like

in

in

as

isEmpty

isNotEmpty

memberOf

memberOf

abs

cAbs

abs

cAbs

avg