SqlDialectFactoryImpl (Apache Calcite API)

java.lang.Object
- org.apache.calcite.sql.SqlDialectFactoryImpl

All Implemented Interfaces:

SqlDialectFactory
```
public class SqlDialectFactoryImpl
extends java.lang.Object
implements SqlDialectFactory
```
The default implementation of a SqlDialectFactory.

Field Summary

Fields
Modifier and Type Field Description

static SqlDialectFactoryImpl INSTANCE

private JethroDataSqlDialect.JethroInfoCache jethroCache

private static org.slf4j.Logger LOGGER

Constructor Summary

Constructors
Constructor Description

SqlDialectFactoryImpl()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`SqlDialect`	`create(java.sql.DatabaseMetaData databaseMetaData)`	Creates a `SqlDialect` from a DatabaseMetaData.
`private java.lang.String`	`getIdentifierQuoteString(java.sql.DatabaseMetaData databaseMetaData)`
`private NullCollation`	`getNullCollation(java.sql.DatabaseMetaData databaseMetaData)`
`(package private) static SqlDialect`	`simple(SqlDialect.DatabaseProduct databaseProduct)`	Returns a basic dialect for a given product, or null if none is known.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - LOGGER
```
private static final org.slf4j.Logger LOGGER
```
  - INSTANCE
```
public static final SqlDialectFactoryImpl INSTANCE
```
  - jethroCache
```
private final JethroDataSqlDialect.JethroInfoCache jethroCache
```
- Constructor Detail
  - SqlDialectFactoryImpl
```
public SqlDialectFactoryImpl()
```
- Method Detail
  - create
```
public SqlDialect create(java.sql.DatabaseMetaData databaseMetaData)
```
    Description copied from interface: SqlDialectFactory
    
    Creates a SqlDialect from a DatabaseMetaData.
    Does not maintain a reference to the DatabaseMetaData -- or, more importantly, to its Connection -- after this call has returned.
    
    Specified by:
    
    create in interface SqlDialectFactory
    
    Parameters:
    
    databaseMetaData - used to determine which dialect of SQL to generate
  - getNullCollation
```
private NullCollation getNullCollation(java.sql.DatabaseMetaData databaseMetaData)
```
  - getIdentifierQuoteString
```
private java.lang.String getIdentifierQuoteString(java.sql.DatabaseMetaData databaseMetaData)
```
  - simple
```
static SqlDialect simple(SqlDialect.DatabaseProduct databaseProduct)
```
    Returns a basic dialect for a given product, or null if none is known.