org.seasar.doma.jdbc.dialect

Class PostgresDialect

java.lang.Object

org.seasar.doma.jdbc.dialect.StandardDialect

org.seasar.doma.jdbc.dialect.PostgresDialect

All Implemented Interfaces:

Dialect

public class PostgresDialect
extends StandardDialect

A dialect for PostgreSQL.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PostgresDialect.PostgresCriteriaBuilder
static class	PostgresDialect.PostgresExpressionFunctions
static class	PostgresDialect.PostgresJdbcMappingVisitor
static class	PostgresDialect.PostgresResultSetType
static class	PostgresDialect.PostgresScriptBlockContext
static class	PostgresDialect.PostgresSqlLogFormattingVisitor

Nested classes/interfaces inherited from class org.seasar.doma.jdbc.dialect.StandardDialect

StandardDialect.StandardCriteriaBuilder, StandardDialect.StandardExpressionFunctions, StandardDialect.StandardJdbcMappingVisitor, StandardDialect.StandardScriptBlockContext, StandardDialect.StandardSqlLogFormattingVisitor

Field Summary

Fields

Modifier and Type	Field and Description
protected static JdbcType<java.sql.ResultSet>	RESULT_SET the JDBC type for ResultSet
protected static java.lang.String	UNIQUE_CONSTRAINT_VIOLATION_STATE_CODE the SQLState that represents unique violation

Fields inherited from class org.seasar.doma.jdbc.dialect.StandardDialect

CLOSE_QUOTE, expressionFunctions, jdbcMappingVisitor, OPEN_QUOTE, sqlLogFormattingVisitor, UNIQUE_CONSTRAINT_VIOLATION_STATE_CODES

Constructor Summary

Constructors

Constructor and Description
PostgresDialect()
PostgresDialect(ExpressionFunctions expressionFunctions)
PostgresDialect(JdbcMappingVisitor jdbcMappingVisitor)
PostgresDialect(JdbcMappingVisitor jdbcMappingVisitor, SqlLogFormattingVisitor sqlLogFormattingVisitor)
PostgresDialect(JdbcMappingVisitor jdbcMappingVisitor, SqlLogFormattingVisitor sqlLogFormattingVisitor, ExpressionFunctions expressionFunctions)
PostgresDialect(SqlLogFormattingVisitor sqlLogFormattingVisitor)

Method Summary

Modifier and Type	Method and Description
protected java.lang.String	createIdentitySequenceFunctionExpression(java.lang.String catalogName, java.lang.String schemaName, java.lang.String tableName, java.lang.String columnName, boolean isQuoteRequired, boolean isIdColumnQuoteRequired)
ScriptBlockContext	createScriptBlockContext() Creates the context object to process an SQL block in a script.
CriteriaBuilder	getCriteriaBuilder()
Sql<?>	getIdentityReservationSql(java.lang.String catalogName, java.lang.String schemaName, java.lang.String tableName, java.lang.String columnName, boolean isQuoteRequired, boolean isIdColumnQuoteRequired, int reservationSize) Returns an SQL object to reserve identity in the database.
PreparedSql	getIdentitySelectSql(java.lang.String catalogName, java.lang.String schemaName, java.lang.String tableName, java.lang.String columnName, boolean isQuoteRequired, boolean isIdColumnQuoteRequired) Returns an SQL object to get IDENTITY values that are generated in the database.
java.lang.String	getName() The dialect name.
JdbcType<java.sql.ResultSet>	getResultSetType() Returns the JdbcType object that corresponds to the ResultSet class.
PreparedSql	getSequenceNextValSql(java.lang.String qualifiedSequenceName, long allocationSize) Returns an SQL object to get next sequence values.
UpsertAssembler	getUpsertAssembler(UpsertAssemblerContext context) Returns the UpsertAssembler implementation for the given context.
boolean	isUniqueConstraintViolated(java.sql.SQLException sqlException) Whether the sqlException represents an unique violation.
boolean	supportsIdentity() Whether this object supports the IDENTITY column.
boolean	supportsIdentityReservation() Whether this object supports a reservation of identity.
boolean	supportsResultSetReturningAsOutParameter() Whether this object supports an out parameter that is mapped to a result set in stored functions or stored procedures .
boolean	supportsSelectForUpdate(SelectForUpdateType type, boolean withTargets) Whether this object supports pessimistic locking.
boolean	supportsSequence() Whether this object supports the SEQUENCE.
protected SqlNode	toForUpdateSqlNode(SqlNode sqlNode, SelectForUpdateType forUpdateType, int waitSeconds, java.lang.String... aliases)
protected SqlNode	toPagingSqlNode(SqlNode sqlNode, long offset, long limit)

Methods inherited from class org.seasar.doma.jdbc.dialect.StandardDialect

applyQuote, getAutoGeneratedKeysType, getCauseSQLException, getErrorCode, getExpressionFunctions, getJdbcMappingVisitor, getRootCause, getScriptBlockDelimiter, getSqlLogFormattingVisitor, getSQLState, includesIdentityColumn, removeQuote, supportsAutoGeneratedKeys, supportsBatchUpdateResults, toCountCalculatingSqlNode, toCountGettingSqlNode, transformSelectSqlNode, transformSelectSqlNodeForGettingCount

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.seasar.doma.jdbc.dialect.Dialect

supportsAliasInDeleteClause, supportsAliasInUpdateClause, supportsBatchExecutionReturningGeneratedValues, supportsModOperator

Field Detail

UNIQUE_CONSTRAINT_VIOLATION_STATE_CODE

protected static final java.lang.String UNIQUE_CONSTRAINT_VIOLATION_STATE_CODE

the SQLState that represents unique violation

See Also:

Constant Field Values

RESULT_SET

protected static final JdbcType<java.sql.ResultSet> RESULT_SET

the JDBC type for ResultSet

Constructor Detail

PostgresDialect

public PostgresDialect()

PostgresDialect

public PostgresDialect(JdbcMappingVisitor jdbcMappingVisitor)

PostgresDialect

public PostgresDialect(SqlLogFormattingVisitor sqlLogFormattingVisitor)

PostgresDialect

public PostgresDialect(ExpressionFunctions expressionFunctions)

PostgresDialect

public PostgresDialect(JdbcMappingVisitor jdbcMappingVisitor,
                       SqlLogFormattingVisitor sqlLogFormattingVisitor)

PostgresDialect

public PostgresDialect(JdbcMappingVisitor jdbcMappingVisitor,
                       SqlLogFormattingVisitor sqlLogFormattingVisitor,
                       ExpressionFunctions expressionFunctions)

Method Detail

getName

public java.lang.String getName()

Description copied from interface: Dialect

The dialect name.

Specified by:

getName in interface Dialect

Overrides:

getName in class StandardDialect

Returns:

the name

toForUpdateSqlNode

protected SqlNode toForUpdateSqlNode(SqlNode sqlNode,
                                     SelectForUpdateType forUpdateType,
                                     int waitSeconds,
                                     java.lang.String... aliases)

Overrides:

toForUpdateSqlNode in class StandardDialect

toPagingSqlNode

protected SqlNode toPagingSqlNode(SqlNode sqlNode,
                                  long offset,
                                  long limit)

Overrides:

toPagingSqlNode in class StandardDialect

isUniqueConstraintViolated

public boolean isUniqueConstraintViolated(java.sql.SQLException sqlException)

Description copied from interface: Dialect

Whether the sqlException represents an unique violation.

Specified by:

isUniqueConstraintViolated in interface Dialect

Overrides:

isUniqueConstraintViolated in class StandardDialect

Parameters:

sqlException - the SQL exception

Returns:

true, if the sqlException represents an unique violation

getIdentitySelectSql

public PreparedSql getIdentitySelectSql(java.lang.String catalogName,
                                        java.lang.String schemaName,
                                        java.lang.String tableName,
                                        java.lang.String columnName,
                                        boolean isQuoteRequired,
                                        boolean isIdColumnQuoteRequired)

Description copied from interface: Dialect

Returns an SQL object to get IDENTITY values that are generated in the database.

This method is available, only if Dialect.supportsIdentity() returns true.

Specified by:

getIdentitySelectSql in interface Dialect

Overrides:

getIdentitySelectSql in class StandardDialect

Parameters:

catalogName - the catalog name

schemaName - the schema name

tableName - the table name

columnName - the IDENTITY column name

isQuoteRequired - whether the quotation marks are required

isIdColumnQuoteRequired - whether the quotation marks are required for the IDENTITY column

Returns:

the SQL object

getIdentityReservationSql

public Sql<?> getIdentityReservationSql(java.lang.String catalogName,
                                        java.lang.String schemaName,
                                        java.lang.String tableName,
                                        java.lang.String columnName,
                                        boolean isQuoteRequired,
                                        boolean isIdColumnQuoteRequired,
                                        int reservationSize)

Description copied from interface: Dialect

Returns an SQL object to reserve identity in the database.

This method is available, only if Dialect.supportsIdentityReservation() returns true.

Specified by:

getIdentityReservationSql in interface Dialect

Overrides:

getIdentityReservationSql in class StandardDialect

Parameters:

catalogName - the catalog name

schemaName - the schema name

tableName - the table name

columnName - the IDENTITY column name

isQuoteRequired - whether the quotation marks are required

isIdColumnQuoteRequired - whether the quotation marks are required for the IDENTITY column

reservationSize - the size of the reservation

Returns:

the SQL object

createIdentitySequenceFunctionExpression

protected java.lang.String createIdentitySequenceFunctionExpression(java.lang.String catalogName,
                                                                    java.lang.String schemaName,
                                                                    java.lang.String tableName,
                                                                    java.lang.String columnName,
                                                                    boolean isQuoteRequired,
                                                                    boolean isIdColumnQuoteRequired)

getSequenceNextValSql

public PreparedSql getSequenceNextValSql(java.lang.String qualifiedSequenceName,
                                         long allocationSize)

Description copied from interface: Dialect

Returns an SQL object to get next sequence values.

This method is available, only if Dialect.supportsSequence() returns true.

Specified by:

getSequenceNextValSql in interface Dialect

Overrides:

getSequenceNextValSql in class StandardDialect

Parameters:

qualifiedSequenceName - the qualified sequence name

allocationSize - the allocation size of the sequence

Returns:

the SQL object

supportsIdentity

public boolean supportsIdentity()

Description copied from interface: Dialect

Whether this object supports the IDENTITY column.

Specified by:

supportsIdentity in interface Dialect

Overrides:

supportsIdentity in class StandardDialect

Returns:

true, if this object supports it

supportsSequence

public boolean supportsSequence()

Description copied from interface: Dialect

Whether this object supports the SEQUENCE.

Specified by:

supportsSequence in interface Dialect

Overrides:

supportsSequence in class StandardDialect

Returns:

true, if this object supports it

supportsIdentityReservation

public boolean supportsIdentityReservation()

Description copied from interface: Dialect

Whether this object supports a reservation of identity.

Specified by:

supportsIdentityReservation in interface Dialect

Overrides:

supportsIdentityReservation in class StandardDialect

Returns:

true, if this object supports it

supportsSelectForUpdate

public boolean supportsSelectForUpdate(SelectForUpdateType type,
                                       boolean withTargets)

Description copied from interface: Dialect

Whether this object supports pessimistic locking.

Specified by:

supportsSelectForUpdate in interface Dialect

Overrides:

supportsSelectForUpdate in class StandardDialect

Parameters:

type - a kind of pessimistic locking

withTargets - true if a lock target is specified

Returns:

true, if this object supports it

supportsResultSetReturningAsOutParameter

public boolean supportsResultSetReturningAsOutParameter()

Description copied from interface: Dialect

Whether this object supports an out parameter that is mapped to a result set in stored functions or stored procedures .

Specified by:

supportsResultSetReturningAsOutParameter in interface Dialect

Overrides:

supportsResultSetReturningAsOutParameter in class StandardDialect

Returns:

true, if this object supports it

getResultSetType

public JdbcType<java.sql.ResultSet> getResultSetType()

Description copied from interface: Dialect

Returns the JdbcType object that corresponds to the ResultSet class.

This method is available, only if Dialect.supportsResultSetReturningAsOutParameter() is true.

Specified by:

getResultSetType in interface Dialect

Overrides:

getResultSetType in class StandardDialect

Returns:

the JdbcType object for the ResultSet class

createScriptBlockContext

public ScriptBlockContext createScriptBlockContext()

Description copied from interface: Dialect

Creates the context object to process an SQL block in a script.

Specified by:

createScriptBlockContext in interface Dialect

Overrides:

createScriptBlockContext in class StandardDialect

Returns:

the context object

getCriteriaBuilder

public CriteriaBuilder getCriteriaBuilder()

Specified by:

getCriteriaBuilder in interface Dialect

Overrides:

getCriteriaBuilder in class StandardDialect

getUpsertAssembler

public UpsertAssembler getUpsertAssembler(UpsertAssemblerContext context)

Description copied from interface: Dialect

Returns the UpsertAssembler implementation for the given context.

Specified by:

getUpsertAssembler in interface Dialect

Overrides:

getUpsertAssembler in class StandardDialect

Parameters:

context - the UpsertAssemblerContext object

Returns:

the UpsertAssembler object for the given context