com.mybatisflex.core.query

Class StringFunctionQueryColumn

java.lang.Object

com.mybatisflex.core.query.QueryColumn

com.mybatisflex.core.query.StringFunctionQueryColumn

All Implemented Interfaces:

CloneSupport<QueryColumn>, Conditional<QueryCondition>, Serializable, Cloneable

public class StringFunctionQueryColumn
extends QueryColumn

数据库 聚合函数，例如 CONVERT(NVARCHAR(30), GETDATE(), 126) 等等

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected String	fnName
protected List<String>	params

Fields inherited from class com.mybatisflex.core.query.QueryColumn

alias, name, table

Constructor Summary

Constructors

Constructor and Description
StringFunctionQueryColumn(String fnName, String... params)

Method Summary

Modifier and Type	Method and Description
StringFunctionQueryColumn	clone() 改写 Object.clone() 方法。
String	getFnName()
List<String>	getParams()
void	setFnName(String fnName)
void	setParams(List<String> params)
protected String	toConditionSql(List<QueryTable> queryTables, IDialect dialect) 生成列用于构建查询条件的 SQL 语句。
String	toSelectSql(List<QueryTable> queryTables, IDialect dialect) 生成列用于构建查询列的 SQL 语句。
String	toString()

Methods inherited from class com.mybatisflex.core.query.QueryColumn

add, add, as, as, as, asc, between, between, between, between, between, between, desc, divide, divide, eq, eq, eq, eq, ge, ge, ge, ge, getAlias, getName, getTable, gt, gt, gt, gt, in, in, in, in, in, in, in, in, in, in, in, isNotNull, isNull, le, le, le, le, like, like, like, like, likeLeft, likeLeft, likeLeft, likeLeft, likeRaw, likeRaw, likeRaw, likeRaw, likeRight, likeRight, likeRight, likeRight, lt, lt, lt, lt, multiply, multiply, ne, ne, ne, ne, notBetween, notBetween, notBetween, notBetween, notBetween, notBetween, notIn, notIn, notIn, notIn, notIn, notIn, notIn, notIn, notIn, notIn, notIn, notLike, notLike, notLike, notLike, notLikeLeft, notLikeLeft, notLikeLeft, notLikeLeft, notLikeRaw, notLikeRaw, notLikeRaw, notLikeRaw, notLikeRight, notLikeRight, notLikeRight, notLikeRight, setAlias, setName, setTable, subtract, subtract

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.mybatisflex.core.query.Conditional

isNotNull, isNotNull, isNull, isNull

Field Detail

fnName

protected String fnName

params

protected List<String> params

Constructor Detail

StringFunctionQueryColumn

public StringFunctionQueryColumn(String fnName,
                                 String... params)

Method Detail

getFnName

public String getFnName()

setFnName

public void setFnName(String fnName)

getParams

public List<String> getParams()

setParams

public void setParams(List<String> params)

toSelectSql

public String toSelectSql(List<QueryTable> queryTables,
                          IDialect dialect)

Description copied from class: QueryColumn

生成列用于构建查询列的 SQL 语句。

Overrides:

toSelectSql in class QueryColumn

Parameters:

queryTables - 查询表

dialect - 方言

Returns:

SQL 语句

toConditionSql

protected String toConditionSql(List<QueryTable> queryTables,
                                IDialect dialect)

Description copied from class: QueryColumn

生成列用于构建查询条件的 SQL 语句。

Overrides:

toConditionSql in class QueryColumn

Parameters:

queryTables - 查询表

dialect - 方言

Returns:

SQL 语句

toString

public String toString()

Overrides:

toString in class QueryColumn

clone

public StringFunctionQueryColumn clone()

Description copied from interface: CloneSupport

改写 Object.clone() 方法。

Specified by:

clone in interface CloneSupport<QueryColumn>

Overrides:

clone in class QueryColumn

Returns:

克隆对象