com.zendesk.maxwell.recovery

Class RecoverySchemaStore

java.lang.Object

com.zendesk.maxwell.recovery.RecoverySchemaStore

All Implemented Interfaces:

SchemaStore

public class RecoverySchemaStore
extends Object
implements SchemaStore

A schema store that contains only the maxwell database, and throws away any schema changes we encounter while trying to recover the binlog position.

Constructor Summary

Constructors

Constructor and Description
RecoverySchemaStore(snaq.db.ConnectionPool replicationConnectionPool, String maxwellDatabaseName, CaseSensitivity caseSensitivity)

Method Summary

Modifier and Type	Method and Description
Schema	getSchema() Retrieve the current schema If no Stored schema is found, this method should capture and save a snapshot of the current mysql schema.
List<ResolvedSchemaChange>	processSQL(String sql, String currentDatabase, Position position) Process a DDL statement Parse the given SQL, applying the changes to the schema.

Methods inherited from class java.lang.Object

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

Constructor Detail

RecoverySchemaStore

public RecoverySchemaStore(snaq.db.ConnectionPool replicationConnectionPool,
                           String maxwellDatabaseName,
                           CaseSensitivity caseSensitivity)

Method Detail

getSchema

public Schema getSchema()
                 throws SchemaStoreException

Description copied from interface: SchemaStore

Retrieve the current schema If no Stored schema is found, this method should capture and save a snapshot of the current mysql schema.

Specified by:

getSchema in interface SchemaStore

Returns:

The schema, either retrieved from storage or captured.

Throws:

SchemaStoreException

processSQL

public List<ResolvedSchemaChange> processSQL(String sql,
                                             String currentDatabase,
                                             Position position)
                                      throws SchemaStoreException,
                                             InvalidSchemaError

Description copied from interface: SchemaStore

Process a DDL statement Parse the given SQL, applying the changes to the schema. Returns a list of ResolvedSchemaChange objects, representing the DDL that was applied (if any)

Specified by:

processSQL in interface SchemaStore

Parameters:

sql - The SQL of the DDL statement

currentDatabase - The "contextual database" of the DDL statement

position - The position of the DDL statement

Returns:

A list of the schema changes parsed from the SQL.

Throws:

SchemaStoreException

InvalidSchemaError