Type Parameters:: SELECT - the generic type; INSERT - the generic type; UPDATE - the generic type; DELETE - the generic type; CREATE - the generic type; ALTER - the generic type; DROP - the generic type; NEXT - the generic type

All Superinterfaces:: ISqlFactory<SELECT,INSERT,UPDATE,DELETE,CREATE,ALTER,DROP,NEXT,LAST>, ISqlKeywords

All Known Implementing Classes:: DefaultSqlDialect, DerbySqlDialect, H2SqlDialect, HanaSqlDialect, MySQLSqlDialect, PostgresSqlDialect, SybaseSqlDialect

public interface ISqlDialect<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>
extends ISqlFactory<SELECT,INSERT,UPDATE,DELETE,CREATE,ALTER,DROP,NEXT,LAST>, ISqlKeywords

The SQL Dialect interface.

Field Summary

Fields

Modifier and Type Field Description

static Set FUNCTIONS

Fields inherited from interface org.eclipse.dirigible.database.sql.ISqlKeywords
ALTER, CLOSE, COMMA, EQUALS, FUNCTION_CURRENT_DATE, FUNCTION_CURRENT_TIME, FUNCTION_CURRENT_TIMESTAMP, 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

Method Summary

Modifier and Type	Method	Description
`int`	`count(Connection connection, String table)`	Returns the count of rows in the given table.
`boolean`	`exists(Connection connection, String table)`	Check existence of a table.
`boolean`	`exists(Connection connection, String name, int type)`	Check existence of an artifacts.
`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`	`getDatabaseName(Connection connection)`	Returns the database name
`String`	`getDataTypeName(DataType dataType)`	Default implementation returns the direct toString() conversion.
`Set<String>`	`getFunctionsNames()`	Returns the function names
`String`	`getIdentityArgument()`	Identity argument for a column for the create table script Default is "IDENTITY".
`String`	`getNotNullArgument()`	NOT NULL argument for a column for the create table script Default is "NOT NULL".
`String`	`getPrimaryKeyArgument()`	PRIMARY KEY argument for a column for the create table script Default is "PRIMARY KEY".
`String`	`getSchemaFilterScript()`	If the database supports schema filtering SQL statements (see `isSchemaFilterSupported()`), this method provides the corresponding SQL statement.
`String`	`getUniqueArgument()`	UNIQUE argument for a column for the create table script Default is "UNIQUE".
`boolean`	`isCatalogForSchema()`	Does this database support catalogs synonymous to schemas.
`boolean`	`isSchemaFilterSupported()`	Checks if the database is capable of schema-level filtering statements (e.g.
`boolean`	`isSequenceSupported()`	Checks if the database is capable to create and use Sequences.
`boolean`	`isSynonymSupported()`	Checks if the database is capable to create and use Synonyms.

Methods inherited from interface org.eclipse.dirigible.database.sql.ISqlFactory

alter, create, delete, drop, expression, insert, lastval, nextval, select, update

Field Details
- FUNCTIONS
  
  static final Set FUNCTIONS
Method Details
- getDataTypeName
  
  String getDataTypeName(DataType dataType)
  
  Default implementation returns the direct toString() conversion. It may get overridden for specific database dialects
  
  Parameters:
  
  dataType - the data type
  
  Returns:
  
  the data type name
- getPrimaryKeyArgument
  
  String getPrimaryKeyArgument()
  
  PRIMARY KEY argument for a column for the create table script Default is "PRIMARY KEY".
  
  Returns:
  
  the primary key argument
- getIdentityArgument
  
  String getIdentityArgument()
  
  Identity argument for a column for the create table script Default is "IDENTITY".
  
  Returns:
  
  the primary key argument
- getNotNullArgument
  
  String getNotNullArgument()
  
  NOT NULL argument for a column for the create table script Default is "NOT NULL".
  
  Returns:
  
  the not null argument
- getUniqueArgument
  
  String getUniqueArgument()
  
  UNIQUE argument for a column for the create table script Default is "UNIQUE".
  
  Returns:
  
  the unique argument
- exists
  
  boolean exists(Connection connection, String table) throws SQLException
  
  Check existence of a table.
  
  Specified by:
  
  exists in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>
  
  Parameters:
  
  connection - the current connection
  
  table - the table name
  
  Returns:
  
  true if the table exists and false otherwise
  
  Throws:
  
  SQLException - the SQL exception
- exists
  
  boolean exists(Connection connection, String name, int type) throws SQLException
  
  Check existence of an artifacts.
  
  Specified by:
  
  exists in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>
  
  Parameters:
  
  connection - the current connection
  
  name - the artifact name
  
  type - the artifact type
  
  Returns:
  
  true if the table exists and false otherwise
  
  Throws:
  
  SQLException - the SQL exception
- count
  
  int count(Connection connection, String table) throws SQLException
  
  Returns the count of rows in the given table.
  
  Specified by:
  
  count in interface ISqlFactory<SELECT extends SelectBuilder,INSERT extends InsertBuilder,UPDATE extends UpdateBuilder,DELETE extends DeleteBuilder,CREATE extends CreateBranchingBuilder,ALTER extends AlterBranchingBuilder,DROP extends DropBranchingBuilder,NEXT extends NextValueSequenceBuilder,LAST extends LastValueIdentityBuilder>
  
  Parameters:
  
  connection - the current connection
  
  table - the table name
  
  Returns:
  
  count of rows
  
  Throws:
  
  SQLException - the SQL exception
- isSchemaFilterSupported
  
  boolean isSchemaFilterSupported()
  
  Checks if the database is capable of schema-level filtering statements (e.g. to reduce the provisioned schemas down to those that the current user is entitled to see).
  
  Returns:
  
  true if the feature is supported , false otherwise
- getSchemaFilterScript
  
  String getSchemaFilterScript()
  
  If the database supports schema filtering SQL statements (see isSchemaFilterSupported()), this method provides the corresponding SQL statement.
  
  Returns:
  
  a filtering SQL statement
- isCatalogForSchema
  
  boolean isCatalogForSchema()
  
  Does this database support catalogs synonymous to schemas.
  
  Returns:
  
  whether it is a catalog for schema
- functionCurrentDate
  
  String functionCurrentDate()
  
  Gives the dialect specific name of the CURRENT_DATE function.
  
  Returns:
  
  the name of the function
- functionCurrentTime
  
  String functionCurrentTime()
  
  Gives the dialect specific name of the CURRENT_TIME function.
  
  Returns:
  
  the name of the function
- functionCurrentTimestamp
  
  String functionCurrentTimestamp()
  
  Gives the dialect specific name of the CURRENT_TIMESTAMP function.
  
  Returns:
  
  the name of the function
- isSequenceSupported
  
  boolean isSequenceSupported()
  
  Checks if the database is capable to create and use Sequences.
  
  Returns:
  
  true if the feature is supported, false otherwise
- getDatabaseName
  
  String getDatabaseName(Connection connection)
  
  Returns the database name
  
  Parameters:
  
  connection - the active database connection
  
  Returns:
  
  the database name
- isSynonymSupported
  
  boolean isSynonymSupported()
  
  Checks if the database is capable to create and use Synonyms.
  
  Returns:
  
  true if the feature is supported, false otherwise
- getFunctionsNames
  
  Set<String> getFunctionsNames()
  
  Returns the function names
  
  Returns:
  
  the list of functions names

Field Summary

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

Method Summary

Methods inherited from interface org.eclipse.dirigible.database.sql.ISqlFactory

Field Details

Method Details