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java.lang.Object org.apache.torque.adapter.AbstractDBAdapter org.apache.torque.adapter.DBDerby
public class DBDerby
This is used to connect to an embedded Apache Derby Database using the supplied JDBC driver.
Field Summary |
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Fields inherited from interface org.apache.torque.adapter.DB |
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ADAPTER_KEY, DRIVER_KEY, LIMIT_STYLE_DB2, LIMIT_STYLE_MYSQL, LIMIT_STYLE_NONE, LIMIT_STYLE_ORACLE, LIMIT_STYLE_POSTGRES, LIMIT_STYLE_SYBASE |
Fields inherited from interface org.apache.torque.adapter.IDMethod |
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AUTO_INCREMENT, ID_BROKER, NATIVE, NO_ID_METHOD, SEQUENCE |
Constructor Summary | |
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protected |
DBDerby()
Empty constructor. |
Method Summary | |
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boolean |
escapeText()
Whether backslashes (\) should be escaped in explicit SQL strings. |
java.lang.String |
getIDMethodSQL(java.lang.Object obj)
Returns the SQL to get the database key of the last row inserted, which in this case is VALUES IDENTITY_VAL_LOCAL() . |
java.lang.String |
getIDMethodType()
Returns the constant from the IDMethod interface denoting which
type of primary key generation method this type of RDBMS uses. |
java.lang.String |
ignoreCase(java.lang.String str)
This method is used to ignore case. |
void |
lockTable(java.sql.Connection con,
java.lang.String table)
Locks the specified table. |
java.lang.String |
toUpperCase(java.lang.String str)
This method is used to ignore case. |
void |
unlockTable(java.sql.Connection con,
java.lang.String table)
Unlocks the specified table. |
boolean |
useEscapeClauseForLike()
Whether an escape clause in like should be used. |
Methods inherited from class org.apache.torque.adapter.AbstractDBAdapter |
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generateLimits, getBooleanString, getDateString, getFunctionClass, getLimitStyle, getStringDelimiter, ignoreCaseInOrderBy, supportsNativeLimit, supportsNativeOffset, useIlike |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected DBDerby()
Method Detail |
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public java.lang.String toUpperCase(java.lang.String str)
toUpperCase
in interface DB
toUpperCase
in class AbstractDBAdapter
str
- The string to transform to upper case.
public java.lang.String ignoreCase(java.lang.String str)
ignoreCase
in interface DB
ignoreCase
in class AbstractDBAdapter
str
- The string whose case to ignore.
public java.lang.String getIDMethodType()
AbstractDBAdapter
IDMethod
interface denoting which
type of primary key generation method this type of RDBMS uses.
getIDMethodType
in interface DB
getIDMethodType
in class AbstractDBAdapter
DB.getIDMethodType()
public java.lang.String getIDMethodSQL(java.lang.Object obj)
VALUES IDENTITY_VAL_LOCAL()
.
getIDMethodSQL
in interface DB
getIDMethodSQL
in class AbstractDBAdapter
obj
- Information used for key generation.
DB.getIDMethodSQL(Object obj)
public void lockTable(java.sql.Connection con, java.lang.String table) throws java.sql.SQLException
lockTable
in interface DB
lockTable
in class AbstractDBAdapter
con
- The JDBC connection to use.table
- The name of the table to lock.
java.sql.SQLException
- No Statement could be created or executed.public void unlockTable(java.sql.Connection con, java.lang.String table) throws java.sql.SQLException
unlockTable
in interface DB
unlockTable
in class AbstractDBAdapter
con
- The JDBC connection to use.table
- The name of the table to unlock.
java.sql.SQLException
- No Statement could be created or executed.public boolean escapeText()
escapeText
in interface DB
escapeText
in class AbstractDBAdapter
public boolean useEscapeClauseForLike()
true
.
useEscapeClauseForLike
in interface DB
useEscapeClauseForLike
in class AbstractDBAdapter
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