org.verdictdb.sqlsyntax

Class SqlSyntax

java.lang.Object

org.verdictdb.sqlsyntax.SqlSyntax

Direct Known Subclasses:

H2Syntax, HiveSyntax, ImpalaSyntax, MysqlSyntax, PostgresqlSyntax, RedshiftSyntax, SparkSyntax, SqliteSyntax

public abstract class SqlSyntax
extends Object

Constructor Summary

Constructors

Constructor and Description
SqlSyntax()

Method Summary

Modifier and Type	Method and Description
abstract boolean	doesSupportTablePartitioning()
abstract void	dropTable(String schema, String tablename)
Collection<String>	getCandidateJDBCDriverClassNames() The drivers returned by methods are loaded explicitly by JdbcConnection (when it makes a JDBC connection to the backend database.) This mechanism is to support legacy library that does not support automatic JDBC driver discovery.
abstract int	getColumnNameColumnIndex()
abstract String	getColumnsCommand(String schema, String table)
abstract int	getColumnTypeColumnIndex()
String	getFallbackDefaultSchema()
abstract String	getPartitionByInCreateTable()
abstract String	getPartitionCommand(String schema, String table)
abstract String	getQuoteString()
abstract String	getSchemaCommand()
abstract int	getSchemaNameColumnIndex()
String	getStddevPopulationFunctionName()
abstract String	getTableCommand(String schema)
abstract int	getTableNameColumnIndex()
abstract boolean	isAsRequiredBeforeSelectInCreateTable()
String	quoteName(String name)
abstract String	randFunction()
String	substituteTypeName(String type)

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlSyntax

public SqlSyntax()

Method Detail

doesSupportTablePartitioning

public abstract boolean doesSupportTablePartitioning()

dropTable

public abstract void dropTable(String schema,
                               String tablename)

getColumnNameColumnIndex

public abstract int getColumnNameColumnIndex()

getColumnsCommand

public abstract String getColumnsCommand(String schema,
                                         String table)

getColumnTypeColumnIndex

public abstract int getColumnTypeColumnIndex()

getPartitionByInCreateTable

public abstract String getPartitionByInCreateTable()

getPartitionCommand

public abstract String getPartitionCommand(String schema,
                                           String table)

getQuoteString

public abstract String getQuoteString()

getSchemaCommand

public abstract String getSchemaCommand()

getSchemaNameColumnIndex

public abstract int getSchemaNameColumnIndex()

getTableCommand

public abstract String getTableCommand(String schema)

getTableNameColumnIndex

public abstract int getTableNameColumnIndex()

randFunction

public abstract String randFunction()

isAsRequiredBeforeSelectInCreateTable

public abstract boolean isAsRequiredBeforeSelectInCreateTable()

getStddevPopulationFunctionName

public String getStddevPopulationFunctionName()

quoteName

public String quoteName(String name)

substituteTypeName

public String substituteTypeName(String type)

getCandidateJDBCDriverClassNames

public Collection<String> getCandidateJDBCDriverClassNames()

The drivers returned by methods are loaded explicitly by JdbcConnection (when it makes a JDBC connection to the backend database.) This mechanism is to support legacy library that does not support automatic JDBC driver discovery.

Returns:

getFallbackDefaultSchema

public String getFallbackDefaultSchema()