org.apache.seatunnel.connectors.seatunnel.cdc.mysql.utils

类 MySqlUtils

java.lang.Object

org.apache.seatunnel.connectors.seatunnel.cdc.mysql.utils.MySqlUtils

public class MySqlUtils
extends Object

Utils to prepare MySQL SQL statement.

方法概要

限定符和类型	方法和说明
static String	buildSplitScanQuery(TableId tableId, SeaTunnelRowType rowType, boolean isFirstSplit, boolean isLastSplit)
static io.debezium.connector.mysql.MySqlDatabaseSchema	createMySqlDatabaseSchema(io.debezium.connector.mysql.MySqlConnectorConfig dbzMySqlConfig, boolean isTableIdCaseSensitive) Creates a new MySqlDatabaseSchema to monitor the latest MySql database schemas.
static BinlogOffset	getBinlogPosition(Map<String,?> offset)
static BinlogOffset	getBinlogPosition(org.apache.kafka.connect.source.SourceRecord dataRecord)
static Column	getSplitColumn(Table table)
static SeaTunnelRowType	getSplitType(Column splitColumn)
static SeaTunnelRowType	getSplitType(Table table)
static long	queryApproximateRowCnt(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId)
static Object	queryMin(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName, Object excludedLowerBound)
static Object[]	queryMinMax(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName)
static Object	queryNextChunkMax(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String splitColumnName, int chunkSize, Object includedLowerBound)
static String	quote(String dbOrTableName)
static String	quote(TableId tableId)
static PreparedStatement	readTableSplitDataStatement(io.debezium.jdbc.JdbcConnection jdbc, String sql, boolean isFirstSplit, boolean isLastSplit, Object[] splitStart, Object[] splitEnd, SeaTunnelRowType splitKeyType, int fetchSize)
static Object[]	sampleDataFromColumn(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName, int inverseSamplingRate)
static Object[]	skipReadAndSortSampleData(io.debezium.jdbc.JdbcConnection jdbc, TableId tableId, String columnName, int inverseSamplingRate)

从类继承的方法 java.lang.Object

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

方法详细资料

queryMinMax

public static Object[] queryMinMax(io.debezium.jdbc.JdbcConnection jdbc,
                                   TableId tableId,
                                   String columnName)
                            throws SQLException

抛出:

SQLException

queryApproximateRowCnt

public static long queryApproximateRowCnt(io.debezium.jdbc.JdbcConnection jdbc,
                                          TableId tableId)
                                   throws SQLException

抛出:

SQLException

queryMin

public static Object queryMin(io.debezium.jdbc.JdbcConnection jdbc,
                              TableId tableId,
                              String columnName,
                              Object excludedLowerBound)
                       throws SQLException

抛出:

SQLException

sampleDataFromColumn

public static Object[] sampleDataFromColumn(io.debezium.jdbc.JdbcConnection jdbc,
                                            TableId tableId,
                                            String columnName,
                                            int inverseSamplingRate)
                                     throws SQLException

抛出:

SQLException

skipReadAndSortSampleData

public static Object[] skipReadAndSortSampleData(io.debezium.jdbc.JdbcConnection jdbc,
                                                 TableId tableId,
                                                 String columnName,
                                                 int inverseSamplingRate)
                                          throws SQLException

抛出:

SQLException

queryNextChunkMax

public static Object queryNextChunkMax(io.debezium.jdbc.JdbcConnection jdbc,
                                       TableId tableId,
                                       String splitColumnName,
                                       int chunkSize,
                                       Object includedLowerBound)
                                throws SQLException

抛出:

SQLException

buildSplitScanQuery

public static String buildSplitScanQuery(TableId tableId,
                                         SeaTunnelRowType rowType,
                                         boolean isFirstSplit,
                                         boolean isLastSplit)

readTableSplitDataStatement

public static PreparedStatement readTableSplitDataStatement(io.debezium.jdbc.JdbcConnection jdbc,
                                                            String sql,
                                                            boolean isFirstSplit,
                                                            boolean isLastSplit,
                                                            Object[] splitStart,
                                                            Object[] splitEnd,
                                                            SeaTunnelRowType splitKeyType,
                                                            int fetchSize)

getSplitType

public static SeaTunnelRowType getSplitType(Table table)

createMySqlDatabaseSchema

public static io.debezium.connector.mysql.MySqlDatabaseSchema createMySqlDatabaseSchema(io.debezium.connector.mysql.MySqlConnectorConfig dbzMySqlConfig,
                                                                                        boolean isTableIdCaseSensitive)

Creates a new MySqlDatabaseSchema to monitor the latest MySql database schemas.

getBinlogPosition

public static BinlogOffset getBinlogPosition(org.apache.kafka.connect.source.SourceRecord dataRecord)

getBinlogPosition

public static BinlogOffset getBinlogPosition(Map<String,?> offset)

getSplitType

public static SeaTunnelRowType getSplitType(Column splitColumn)

getSplitColumn

public static Column getSplitColumn(Table table)

quote

public static String quote(String dbOrTableName)

quote

public static String quote(TableId tableId)