Package com.alibaba.druid.sql

Class PagerUtils

java.lang.Object

com.alibaba.druid.sql.PagerUtils

public class PagerUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
PagerUtils()

Method Summary

Modifier and Type	Method	Description
static String	count(String sql, DbType dbType)
static int	getLimit(String sql, DbType dbType)	Retrieves the limit value from the provided SQL query string based on the specified database type.
static boolean	hasUnorderedLimit(String sql, DbType dbType)
static String	limit(SQLSelect select, DbType dbType, int offset, int count)
static boolean	limit(SQLSelect select, DbType dbType, int offset, int count, boolean check)
static String	limit(String sql, DbType dbType, int offset, int count)
static String	limit(String sql, DbType dbType, int offset, int count, boolean check)

Methods inherited from class java.lang.Object

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

Constructor Details

PagerUtils

public PagerUtils()

Method Details

count

public static String count(String sql,
 DbType dbType)

limit

public static String limit(String sql,
 DbType dbType,
 int offset,
 int count)

limit

public static String limit(String sql,
 DbType dbType,
 int offset,
 int count,
 boolean check)

limit

public static String limit(SQLSelect select,
 DbType dbType,
 int offset,
 int count)

limit

public static boolean limit(SQLSelect select,
 DbType dbType,
 int offset,
 int count,
 boolean check)

getLimit

public static int getLimit(String sql,
 DbType dbType)

Retrieves the limit value from the provided SQL query string based on the specified database type.

Parameters:

sql - the SQL query string

dbType - the database type for parsing the SQL query

Returns:

the limit value extracted from the SQL query, or -1 if the query does not have a valid limit clause

hasUnorderedLimit

public static boolean hasUnorderedLimit(String sql,
 DbType dbType)