Package org.eclipse.dirigible.database.sql.dialects.postgres

Class PostgresSqlDialect

java.lang.Object

org.eclipse.dirigible.database.sql.dialects.DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

org.eclipse.dirigible.database.sql.dialects.postgres.PostgresSqlDialect

All Implemented Interfaces:

ISqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>, ISqlFactory<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>, ISqlKeywords

public class PostgresSqlDialect
extends DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

The PostgreSQL SQL Dialect.

Field Summary

Fields

Modifier and Type	Field	Description
static String	FUNCTION_CURRENT_DATE	The Constant FUNCTION_CURRENT_DATE.
static String	FUNCTION_CURRENT_TIME	The Constant FUNCTION_CURRENT_TIME.
static String	FUNCTION_CURRENT_TIMESTAMP	The Constant FUNCTION_CURRENT_TIMESTAMP.
static Set<String>	FUNCTIONS

Fields inherited from interface org.eclipse.dirigible.database.sql.ISqlKeywords

ALTER, CLOSE, COMMA, EQUALS, KEYWORD_ADD, KEYWORD_ALTER, KEYWORD_AND, KEYWORD_AS, KEYWORD_ASC, KEYWORD_CHECK, KEYWORD_COLUMN, KEYWORD_CONSTRAINT, KEYWORD_CREATE, KEYWORD_DATABASE_DROP_RESTRICT, KEYWORD_DELETE, KEYWORD_DESC, KEYWORD_DISTINCT, KEYWORD_DROP, KEYWORD_FETCH, KEYWORD_FOR, KEYWORD_FOR_UPDATE, KEYWORD_FOREIGN, KEYWORD_FROM, KEYWORD_FULL, KEYWORD_GROUP_BY, KEYWORD_HAVING, KEYWORD_IDENTITY, KEYWORD_INDEX, KEYWORD_INNER, KEYWORD_INSERT, KEYWORD_INTO, KEYWORD_JOIN, KEYWORD_KEY, KEYWORD_LEFT, KEYWORD_LIMIT, KEYWORD_NEXT, KEYWORD_NEXT_VALUE_FOR, KEYWORD_NOT, KEYWORD_NULL, KEYWORD_OFFSET, KEYWORD_ON, KEYWORD_ONLY, KEYWORD_OR, KEYWORD_ORDER_BY, KEYWORD_OUTER, KEYWORD_PRIMARY, KEYWORD_PUBLIC, KEYWORD_REFERENCES, KEYWORD_RIGHT, KEYWORD_ROWS, KEYWORD_SELECT, KEYWORD_SEQUENCE, KEYWORD_SEQUENCE_CYCLE, KEYWORD_SEQUENCE_EMPTY_STRING_FOR_BOOLEAN_TYPES, KEYWORD_SEQUENCE_INCREMENT_BY, KEYWORD_SEQUENCE_MAXVALUE, KEYWORD_SEQUENCE_MINVALUE, KEYWORD_SEQUENCE_NO_MAXVALUE, KEYWORD_SEQUENCE_NO_MINVALUE, KEYWORD_SEQUENCE_RESET_BY, KEYWORD_SEQUENCE_RESTART_WITH, KEYWORD_SEQUENCE_START_WITH, KEYWORD_SET, KEYWORD_START, KEYWORD_SYNONYM, KEYWORD_TABLE, KEYWORD_UNION, KEYWORD_UNIQUE, KEYWORD_UPDATE, KEYWORD_VALUES, KEYWORD_VIEW, KEYWORD_WHERE, KEYWORD_WITH, METADATA_ALIAS, METADATA_CALC_VIEW, METADATA_GLOBAL_TEMPORARY, METADATA_LOCAL_TEMPORARY, METADATA_SYNONYM, METADATA_SYSTEM_TABLE, METADATA_TABLE, METADATA_TABLE_TYPES, METADATA_VIEW, OPEN, QUESTION, SPACE, STAR, TABLE, UNDERSCROE

Constructor Summary

Constructors

Constructor	Description
PostgresSqlDialect()

Method Summary

Modifier and Type	Method	Description
PostgresCreateBranchingBuilder	create()	Creates the.
boolean	exists(Connection connection, String table)	Check existence of a table.
String	functionCurrentDate()	Gives the dialect specific name of the CURRENT_DATE function.
String	functionCurrentTime()	Gives the dialect specific name of the CURRENT_TIME function.
String	functionCurrentTimestamp()	Gives the dialect specific name of the CURRENT_TIMESTAMP function.
String	getDataTypeName(DataType dataType)	Default implementation returns the direct toString() conversion.
Set<String>	getFunctionsNames()	Returns the function names
PostgresNextValueSequenceBuilder	nextval(String sequence)	Nextval.

Methods inherited from class org.eclipse.dirigible.database.sql.dialects.DefaultSqlDialect

alter, count, delete, drop, exists, expression, getDatabaseName, getIdentityArgument, getNotNullArgument, getPrimaryKeyArgument, getSchemaFilterScript, getUniqueArgument, insert, isCatalogForSchema, isSchemaFilterSupported, isSequenceSupported, isSynonymSupported, lastval, normalizeTableName, select, update

Methods inherited from class java.lang.Object

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

Field Details

FUNCTION_CURRENT_DATE

public static final String FUNCTION_CURRENT_DATE

The Constant FUNCTION_CURRENT_DATE.

See Also:

Constant Field Values

FUNCTION_CURRENT_TIME

public static final String FUNCTION_CURRENT_TIME

The Constant FUNCTION_CURRENT_TIME.

See Also:

Constant Field Values

FUNCTION_CURRENT_TIMESTAMP

public static final String FUNCTION_CURRENT_TIMESTAMP

The Constant FUNCTION_CURRENT_TIMESTAMP.

See Also:

Constant Field Values

FUNCTIONS

public static final Set<String> FUNCTIONS

Constructor Details

PostgresSqlDialect

public PostgresSqlDialect()

Method Details

create

public PostgresCreateBranchingBuilder create()

Description copied from interface: ISqlFactory

Creates the.

Specified by:

create in interface ISqlFactory<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

create in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Returns:

the creates the

nextval

public PostgresNextValueSequenceBuilder nextval(String sequence)

Description copied from interface: ISqlFactory

Nextval.

Specified by:

nextval in interface ISqlFactory<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

nextval in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Parameters:

sequence - the sequence

Returns:

the next

functionCurrentDate

public String functionCurrentDate()

Description copied from interface: ISqlDialect

Gives the dialect specific name of the CURRENT_DATE function.

Specified by:

functionCurrentDate in interface ISqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

functionCurrentDate in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Returns:

the name of the function

functionCurrentTime

public String functionCurrentTime()

Description copied from interface: ISqlDialect

Gives the dialect specific name of the CURRENT_TIME function.

Specified by:

functionCurrentTime in interface ISqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

functionCurrentTime in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Returns:

the name of the function

functionCurrentTimestamp

public String functionCurrentTimestamp()

Description copied from interface: ISqlDialect

Gives the dialect specific name of the CURRENT_TIMESTAMP function.

Specified by:

functionCurrentTimestamp in interface ISqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

functionCurrentTimestamp in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Returns:

the name of the function

getDataTypeName

public String getDataTypeName(DataType dataType)

Description copied from interface: ISqlDialect

Default implementation returns the direct toString() conversion. It may get overridden for specific database dialects

Specified by:

getDataTypeName in interface ISqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

getDataTypeName in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Parameters:

dataType - the data type

Returns:

the data type name

exists

public boolean exists(Connection connection, String table) throws SQLException

Description copied from interface: ISqlDialect

Check existence of a table.

Specified by:

exists in interface ISqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Specified by:

exists in interface ISqlFactory<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

exists in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Parameters:

connection - the current connection

table - the table name

Returns:

true if the table exists and false otherwise

Throws:

SQLException - the SQL exception

getFunctionsNames

public Set<String> getFunctionsNames()

Description copied from interface: ISqlDialect

Returns the function names

Specified by:

getFunctionsNames in interface ISqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Overrides:

getFunctionsNames in class DefaultSqlDialect<SelectBuilder,InsertBuilder,UpdateBuilder,DeleteBuilder,PostgresCreateBranchingBuilder,AlterBranchingBuilder,DropBranchingBuilder,PostgresNextValueSequenceBuilder,LastValueIdentityBuilder>

Returns:

the list of functions names