org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.hive

类 HiveDialect

java.lang.Object

org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.hive.HiveDialect

所有已实现的接口:

Serializable, JdbcDialect

public class HiveDialect
extends Object
implements JdbcDialect

另请参阅:

序列化表格

字段概要

从接口继承的字段 org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.JdbcDialect

log

构造器概要

构造器

构造器和说明
HiveDialect()

方法概要

限定符和类型	方法和说明
String	dialectName() Get the name of jdbc dialect.
JdbcConnectionProvider	getJdbcConnectionProvider(JdbcConnectionConfig jdbcConnectionConfig)
JdbcDialectTypeMapper	getJdbcDialectTypeMapper() get jdbc meta-information type to seatunnel data type mapper.
ResultSetMetaData	getResultSetMetaData(Connection conn, String query)
JdbcRowConverter	getRowConverter() Get converter that convert jdbc object to seatunnel internal object.
Optional<String>	getUpsertStatement(String database, String tableName, String[] fieldNames, String[] uniqueKeyFields) Constructs the dialects upsert statement if supported; such as MySQL's DUPLICATE KEY UPDATE, or PostgreSQL's {@code ON CONFLICT...

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.seatunnel.connectors.seatunnel.jdbc.internal.dialect.JdbcDialect

approximateRowCntStatement, connectionUrlParse, creatPreparedStatement, defaultParameter, extractTableName, getDeleteStatement, getFieldIde, getInsertIntoStatement, getRowExistsStatement, getUpdateStatement, hashModForField, parse, queryNextChunkMax, quoteDatabaseIdentifier, quoteIdentifier, sampleDataFromColumn, tableIdentifier, tableIdentifier

构造器详细资料

HiveDialect

public HiveDialect()

方法详细资料

dialectName

public String dialectName()

从接口复制的说明: JdbcDialect

Get the name of jdbc dialect.

指定者:

dialectName 在接口中 JdbcDialect

返回:

the dialect name.

getRowConverter

public JdbcRowConverter getRowConverter()

从接口复制的说明: JdbcDialect

Get converter that convert jdbc object to seatunnel internal object.

指定者:

getRowConverter 在接口中 JdbcDialect

返回:

a row converter for the database

getJdbcDialectTypeMapper

public JdbcDialectTypeMapper getJdbcDialectTypeMapper()

从接口复制的说明: JdbcDialect

get jdbc meta-information type to seatunnel data type mapper.

指定者:

getJdbcDialectTypeMapper 在接口中 JdbcDialect

返回:

a type mapper for the database

getUpsertStatement

public Optional<String> getUpsertStatement(String database,
                                           String tableName,
                                           String[] fieldNames,
                                           String[] uniqueKeyFields)

从接口复制的说明: JdbcDialect

Constructs the dialects upsert statement if supported; such as MySQL's DUPLICATE KEY UPDATE, or PostgreSQL's ON CONFLICT... DO UPDATE SET...

If supported, the returned string will be used as a PreparedStatement. Fields in the statement must be in the same order as the fieldNames parameter.

If the dialect does not support native upsert statements, the writer will fallback to SELECT ROW Exists + UPDATE/INSERT which may have poor performance.

指定者:

getUpsertStatement 在接口中 JdbcDialect

返回:

the dialects UPSERT statement or Optional.empty().

getResultSetMetaData

public ResultSetMetaData getResultSetMetaData(Connection conn,
                                              String query)
                                       throws SQLException

指定者:

getResultSetMetaData 在接口中 JdbcDialect

抛出:

SQLException

getJdbcConnectionProvider

public JdbcConnectionProvider getJdbcConnectionProvider(JdbcConnectionConfig jdbcConnectionConfig)

指定者:

getJdbcConnectionProvider 在接口中 JdbcDialect