Package org.apache.torque.adapter
Klasse PostgresAdapter
java.lang.Object
org.apache.torque.adapter.AbstractAdapter
org.apache.torque.adapter.PostgresAdapter
- Alle implementierten Schnittstellen:
Serializable,Adapter
This is used to connect to PostgresQL databases.
http://www.postgresql.org/
- Version:
- $Id: PostgresAdapter.java 1848527 2018-12-09 16:27:22Z tv $
- Autor:
- Hakan Tandogan, Henning P. Schmiedehausen
- Siehe auch:
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Feldübersicht
Von Schnittstelle geerbte Felder org.apache.torque.adapter.Adapter
ADAPTER_KEY, AUTODETECT_ADAPTER, DRIVER_KEY -
Konstruktorübersicht
Konstruktoren -
Methodenübersicht
Modifizierer und TypMethodeBeschreibungvoidgenerateLimits(Query query, long offset, int limit) Generate a LIMIT limit OFFSET offset clause if offset > 0 or an LIMIT limit clause if limit is > 0 and offset is 0.getIDMethodSQL(Object name) Returns SQL used to get the most recently inserted primary key.Returns the constant from theIDMethodinterface denoting which type of primary key generation method this type of RDBMS uses.ignoreCase(String in) This method is used to ignore case.voidlockTable(Connection con, String table) Locks the specified table.toUpperCase(String in) This method is used to ignore case.voidunlockTable(Connection con, String table) Unlocks the specified table.booleanuseIlike()Whether ILIKE should be used for case insensitive like clauses.Von Klasse geerbte Methoden org.apache.torque.adapter.AbstractAdapter
escapeText, getStringDelimiter, getUpdateLockClause, ignoreCaseInOrderBy, setCapabilities, supportsNativeLimit, supportsNativeOffset, useEscapeClauseForLike, useGetGeneratedKeys, useMinusForExcept
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Konstruktordetails
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PostgresAdapter
protected PostgresAdapter()Empty constructor.
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Methodendetails
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toUpperCase
This method is used to ignore case.- Angegeben von:
toUpperCasein SchnittstelleAdapter- Angegeben von:
toUpperCasein KlasseAbstractAdapter- Parameter:
in- The string to transform to upper case.- Gibt zurück:
- The upper case string.
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ignoreCase
This method is used to ignore case.- Angegeben von:
ignoreCasein SchnittstelleAdapter- Angegeben von:
ignoreCasein KlasseAbstractAdapter- Parameter:
in- The string whose case to ignore.- Gibt zurück:
- The string in a case that can be ignored.
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getIDMethodType
Beschreibung aus Klasse kopiert:AbstractAdapterReturns the constant from theIDMethodinterface denoting which type of primary key generation method this type of RDBMS uses.- Angegeben von:
getIDMethodTypein SchnittstelleAdapter- Angegeben von:
getIDMethodTypein KlasseAbstractAdapter- Gibt zurück:
- IDMethod constant
- Siehe auch:
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getIDMethodSQL
Beschreibung aus Klasse kopiert:AbstractAdapterReturns SQL used to get the most recently inserted primary key. Databases which have no support for this returnnull.- Angegeben von:
getIDMethodSQLin SchnittstelleAdapter- Angegeben von:
getIDMethodSQLin KlasseAbstractAdapter- Parameter:
name- The name of the field (should be of typeString).- Gibt zurück:
- SQL to retreive the next database key.
- Siehe auch:
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lockTable
Locks the specified table.- Angegeben von:
lockTablein SchnittstelleAdapter- Angegeben von:
lockTablein KlasseAbstractAdapter- Parameter:
con- The JDBC connection to use.table- The name of the table to lock.- Löst aus:
SQLException- No Statement could be created or executed.
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unlockTable
Unlocks the specified table.- Angegeben von:
unlockTablein SchnittstelleAdapter- Angegeben von:
unlockTablein KlasseAbstractAdapter- Parameter:
con- The JDBC connection to use.table- The name of the table to unlock.- Löst aus:
SQLException- No Statement could be created or executed.
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generateLimits
Generate a LIMIT limit OFFSET offset clause if offset > 0 or an LIMIT limit clause if limit is > 0 and offset is 0.- Angegeben von:
generateLimitsin SchnittstelleAdapter- Setzt außer Kraft:
generateLimitsin KlasseAbstractAdapter- Parameter:
query- The query to modifyoffset- the offset Valuelimit- the limit Value
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useIlike
public boolean useIlike()Whether ILIKE should be used for case insensitive like clauses. As postgres uses ILIKE, this mimplementation returns true.- Angegeben von:
useIlikein SchnittstelleAdapter- Setzt außer Kraft:
useIlikein KlasseAbstractAdapter- Gibt zurück:
- true if ilike should be used for case insensitive likes, false if ignoreCase should be applied to the compared strings.
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