public class QueryFunctions
extends java.lang.Object
| 构造器和说明 |
|---|
QueryFunctions() |
public static FunctionQueryColumn count()
public static FunctionQueryColumn count(java.lang.String column)
public static FunctionQueryColumn count(QueryColumn column)
public static FunctionQueryColumn max(java.lang.String column)
public static FunctionQueryColumn max(QueryColumn column)
public static FunctionQueryColumn min(java.lang.String column)
public static FunctionQueryColumn min(QueryColumn column)
public static FunctionQueryColumn avg(java.lang.String column)
public static FunctionQueryColumn avg(QueryColumn column)
public static FunctionQueryColumn sum(java.lang.String column)
public static FunctionQueryColumn sum(QueryColumn column)
public static DistinctQueryColumn distinct(QueryColumn... columns)
public static QueryCondition exist(JoinQueryWrapper queryWrapper)
public static QueryCondition notExist(JoinQueryWrapper queryWrapper)
public static QueryCondition not(QueryCondition childCondition)
public static QueryCondition noCondition()
public static JoinQueryWrapper select(QueryColumn... queryColumns)
public static JoinQueryWrapper selectOne()
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