org.ujorm.orm.dialect

Class PostgreSqlDialect

java.lang.Object

org.ujorm.orm.SqlDialect

org.ujorm.orm.dialect.PostgreSqlDialect

Direct Known Subclasses:

OracleDialect

public class PostgreSqlDialect
extends SqlDialect

PostgreSQL (http://www.postgresql.org/)

Field Summary

Fields inherited from class org.ujorm.orm.SqlDialect

COMMON_SEQ_TABLE_KEY, DEFAULT_SCHEMA_SYMBOL, ormHandler

Constructor Summary

Constructors

Constructor and Description
PostgreSqlDialect()

Method Summary

Methods

Modifier and Type	Method and Description
protected String	getColumnType(MetaColumn column) PostgreSql dialect uses a database type OID (instead of the BLBO).
String	getJdbcDriver() Returns a JDBC driver class name.
String	getJdbcUrl() Returns a default JDBC URL
Appendable	printCreateSchema(String schema, Appendable out) Print SQL 'CREATE SCHEMA'
Appendable	printDelete(CriterionDecoder decoder, Appendable out) Print an SQL DELETE statement.
Appendable	printIndex(MetaIndex index, Appendable out) Print an INDEX for the parameter column.
Appendable	printIndexCondition(MetaIndex index, Appendable out) Create an PARTIAL INDEX for exclude NULL values.
void	printOffset(Query query, Appendable out) Print an OFFSET of the statement SELECT.

Methods inherited from class org.ujorm.orm.SqlDialect

createConnection, createJndiInitialContext, createSubQuery, escape, getAliasColumnName, getCriterionTemplate, getExtentedDialect, getKeywordSet, getNameProvider, getQuotedName, getSeqTableModel, isCatalog, isColumnLengthAllowed, isFilled, isMultiRowInsertSupported, printAlterTableAddColumn, printAlterTableColumn, printCall, printColumnAlias, printColumnDeclaration, printComment, printComment, printCommit, printCriterion, printCriterionValue, printDefaultConstraint, printDefaultSchema, printDefaultValue, printFKColumnsDeclaration, printForeignKey, printForeignKey, printFullTableName, printFullTableName, printInsert, printInsert, printInsertBySelect, println, printLockForSelect, printQuotedName, printQuotedNameAlways, printSelect, printSelectOrder, printSelectTable, printSelectTableBase, printSelectView, printSequenceCurrentValue, printSequenceDeleteById, printSequenceInit, printSequenceInitWithValues, printSequenceNextValue, printSequenceTable, printSequenceTableName, printSetMaxSequence, printTable, printTableAliasDefinition, printTableColumns, printUpdate, releaseSavepoint, setHandler

Methods inherited from class java.lang.Object

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

Constructor Detail

PostgreSqlDialect

public PostgreSqlDialect()

Method Detail

getJdbcUrl

public String getJdbcUrl()

Description copied from class: SqlDialect

Returns a default JDBC URL

Specified by:

getJdbcUrl in class SqlDialect

getJdbcDriver

public String getJdbcDriver()

Description copied from class: SqlDialect

Returns a JDBC driver class name.

Specified by:

getJdbcDriver in class SqlDialect

printCreateSchema

public Appendable printCreateSchema(String schema,
                           Appendable out)
                             throws IOException

Print SQL 'CREATE SCHEMA'

Overrides:

printCreateSchema in class SqlDialect

Throws:

IOException

getColumnType

protected String getColumnType(MetaColumn column)

PostgreSql dialect uses a database type OID (instead of the BLBO).

Overrides:

getColumnType in class SqlDialect

printIndex

public Appendable printIndex(MetaIndex index,
                    Appendable out)
                      throws IOException

Print an INDEX for the parameter column.

Overrides:

printIndex in class SqlDialect

Returns:

More statements separated by the ';' charactes are enabled

Throws:

IOException

printIndexCondition

public Appendable printIndexCondition(MetaIndex index,
                             Appendable out)
                               throws IOException

Create an PARTIAL INDEX for exclude NULL values. The behaviour is similar like the PostgreSQL or ORACLE databases.
NOTE: you can disable the feature by the overwriting current method by an empty body.

Throws:

IOException

printOffset

public void printOffset(Query query,
               Appendable out)
                 throws IOException

Print an OFFSET of the statement SELECT.

Overrides:

printOffset in class SqlDialect

Throws:

IOException

printDelete

public Appendable printDelete(CriterionDecoder decoder,
                     Appendable out)
                       throws IOException

Print an SQL DELETE statement.

Overrides:

printDelete in class SqlDialect

Throws:

IOException