Package org.apache.torque.adapter
Class MysqlAdapter
- java.lang.Object
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- org.apache.torque.adapter.AbstractAdapter
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- org.apache.torque.adapter.MysqlAdapter
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- All Implemented Interfaces:
Serializable,Adapter
public class MysqlAdapter extends AbstractAdapter
This is used in order to connect to a MySQL database using the MM drivers. Simply comment the above and uncomment this code below and fill in the appropriate values for DB_NAME, DB_HOST, DB_USER, DB_PASS."jdbc:mysql://" + DB_HOST + "/" + DB_NAME + "?user=" + DB_USER + "&password=" + DB_PASS;
- Version:
- $Id: MysqlAdapter.java 1850965 2019-01-10 17:21:29Z painter $
- Author:
- Jon S. Stevens, Brett McLaughlin, Daniel Rall
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from interface org.apache.torque.adapter.Adapter
ADAPTER_KEY, AUTODETECT_ADAPTER, DRIVER_KEY
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Constructor Summary
Constructors Modifier Constructor Description protectedMysqlAdapter()Empty protected constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidgenerateLimits(Query query, long offset, int limit)Generate a LIMIT offset, limit clause if offset > 0 or an LIMIT limit clause if limit is > 0 and offset is 0.StringgetIDMethodSQL(Object obj)Returns the SQL to get the database key of the last row inserted, which in this case isSELECT LAST_INSERT_ID().IDMethodgetIDMethodType()Returns the constant from theIDMethodinterface denoting which type of primary key generation method this type of RDBMS uses.StringignoreCase(String in)This method is used to ignore case.voidlockTable(Connection con, String table)Locks the specified table.StringtoUpperCase(String in)This method is used to ignore case.voidunlockTable(Connection con, String table)Unlocks the specified table.-
Methods inherited from class org.apache.torque.adapter.AbstractAdapter
escapeText, getStringDelimiter, getUpdateLockClause, ignoreCaseInOrderBy, setCapabilities, supportsNativeLimit, supportsNativeOffset, useEscapeClauseForLike, useGetGeneratedKeys, useIlike, useMinusForExcept
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Method Detail
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toUpperCase
public String toUpperCase(String in)
This method is used to ignore case.- Specified by:
toUpperCasein interfaceAdapter- Specified by:
toUpperCasein classAbstractAdapter- Parameters:
in- The string to transform to upper case.- Returns:
- The upper case string.
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ignoreCase
public String ignoreCase(String in)
This method is used to ignore case.- Specified by:
ignoreCasein interfaceAdapter- Specified by:
ignoreCasein classAbstractAdapter- Parameters:
in- The string whose case to ignore.- Returns:
- The string in a case that can be ignored.
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getIDMethodType
public IDMethod getIDMethodType()
Description copied from class:AbstractAdapterReturns the constant from theIDMethodinterface denoting which type of primary key generation method this type of RDBMS uses.- Specified by:
getIDMethodTypein interfaceAdapter- Specified by:
getIDMethodTypein classAbstractAdapter- Returns:
- IDMethod constant
- See Also:
Adapter.getIDMethodType()
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getIDMethodSQL
public String getIDMethodSQL(Object obj)
Returns the SQL to get the database key of the last row inserted, which in this case isSELECT LAST_INSERT_ID().- Specified by:
getIDMethodSQLin interfaceAdapter- Specified by:
getIDMethodSQLin classAbstractAdapter- Parameters:
obj- Information used for key generation.- Returns:
- The most recently inserted database key.
- See Also:
Adapter.getIDMethodSQL(Object obj)
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lockTable
public void lockTable(Connection con, String table) throws SQLException
Locks the specified table.- Specified by:
lockTablein interfaceAdapter- Specified by:
lockTablein classAbstractAdapter- Parameters:
con- The JDBC connection to use.table- The name of the table to lock.- Throws:
SQLException- No Statement could be created or executed.
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unlockTable
public void unlockTable(Connection con, String table) throws SQLException
Unlocks the specified table.- Specified by:
unlockTablein interfaceAdapter- Specified by:
unlockTablein classAbstractAdapter- Parameters:
con- The JDBC connection to use.table- The name of the table to unlock.- Throws:
SQLException- No Statement could be created or executed.
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generateLimits
public void generateLimits(Query query, long offset, int limit)
Generate a LIMIT offset, limit clause if offset > 0 or an LIMIT limit clause if limit is > 0 and offset is 0.- Specified by:
generateLimitsin interfaceAdapter- Overrides:
generateLimitsin classAbstractAdapter- Parameters:
query- The query to modifyoffset- the offset Valuelimit- the limit Value
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