org.fastnate.generator.dialect

Class PostgresDialect

java.lang.Object

org.fastnate.generator.dialect.GeneratorDialect

org.fastnate.generator.dialect.PostgresDialect

public class PostgresDialect
extends GeneratorDialect

Handles PostgreSQL specific conversions.

See Also:

PostgreSQL - Online manuals

Field Summary

Fields inherited from class org.fastnate.generator.dialect.GeneratorDialect

NOW

Constructor Summary

Constructors

Constructor and Description
PostgresDialect()

Method Summary

Modifier and Type	Method and Description
protected void	addQuotedCharacter(StringBuilder result, char c) Adds a quoted character to the result string buffer.
List<? extends EntityStatement>	adjustNextIdentityValue(String tableName, String columnName, long nextValue) Adjusts the next value of the given identity column to ensure that it is bigger than the last generated value.
String	convertBooleanValue(boolean value) Converts a boolean value for the current database type.
protected String	createAddDateExpression(String referenceDate, long value, String unit) Creates an SQL expression to add a value to a date.
String	createBlobExpression(byte[] blob) Converts the given byte array to an SQL expression for the current database.

Methods inherited from class org.fastnate.generator.dialect.GeneratorDialect

adjustNextSequenceValue, buildCurrentSequenceValue, buildNextSequenceValue, convertTemporalValue, convertTemporalValue, createHexBlobExpression, createSql, getAutoGenerationType, getConcatOperator, getLetter, getOptionalTable, isEmptyStringEqualToNull, isEmulatingSequences, isIdentitySupported, isNextSequenceValueInInsertSupported, isSequenceInWhereSupported, isSequenceSupported, isSettingIdentityAllowed, quoteString

Methods inherited from class java.lang.Object

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

Constructor Detail

PostgresDialect

public PostgresDialect()

Method Detail

addQuotedCharacter

protected void addQuotedCharacter(StringBuilder result,
                                  char c)

Description copied from class: GeneratorDialect

Adds a quoted character to the result string buffer.

Overrides:

addQuotedCharacter in class GeneratorDialect

Parameters:

result - the current result buffer

c - the character to quote

adjustNextIdentityValue

public List<? extends EntityStatement> adjustNextIdentityValue(String tableName,
                                                               String columnName,
                                                               long nextValue)

Description copied from class: GeneratorDialect

Adjusts the next value of the given identity column to ensure that it is bigger than the last generated value.

Overrides:

adjustNextIdentityValue in class GeneratorDialect

Parameters:

tableName - the name of the table of the column

columnName - the name of the (auto increment) identity column

nextValue - the next value of the identity column

Returns:

all statements that are necessary to adjust the next value

convertBooleanValue

public String convertBooleanValue(boolean value)

Description copied from class: GeneratorDialect

Converts a boolean value for the current database type.

Overrides:

convertBooleanValue in class GeneratorDialect

Parameters:

value - the value to convert

Returns:

the string representation of the value

createAddDateExpression

protected String createAddDateExpression(String referenceDate,
                                         long value,
                                         String unit)

Description copied from class: GeneratorDialect

Creates an SQL expression to add a value to a date.

Overrides:

createAddDateExpression in class GeneratorDialect

Parameters:

referenceDate - the expression for the reference date

value - the value to add to the date

unit - the unit of the value

Returns:

the SQL expression that adds the value

createBlobExpression

public String createBlobExpression(byte[] blob)

Description copied from class: GeneratorDialect

Converts the given byte array to an SQL expression for the current database.

Overrides:

createBlobExpression in class GeneratorDialect

Parameters:

blob - the bytes to convert

Returns:

the expression for the bytes