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package com.salesforce.phoenix.compile;
import java.sql.ParameterMetaData;
import java.sql.SQLException;
import java.util.Collections;
import com.salesforce.phoenix.execute.MutationState;
import com.salesforce.phoenix.jdbc.PhoenixConnection;
import com.salesforce.phoenix.jdbc.PhoenixParameterMetaData;
import com.salesforce.phoenix.jdbc.PhoenixStatement;
import com.salesforce.phoenix.parse.DropSequenceStatement;
import com.salesforce.phoenix.schema.MetaDataClient;
public class DropSequenceCompiler {
private final PhoenixStatement statement;
public DropSequenceCompiler(PhoenixStatement statement) {
this.statement = statement;
}
public MutationPlan compile(final DropSequenceStatement sequence) throws SQLException {
final PhoenixConnection connection = statement.getConnection();
final MetaDataClient client = new MetaDataClient(connection);
return new MutationPlan() {
@Override
public MutationState execute() throws SQLException {
return client.dropSequence(sequence);
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
return new ExplainPlan(Collections.singletonList("DROP SEQUENCE"));
}
@Override
public PhoenixConnection getConnection() {
return connection;
}
@Override
public ParameterMetaData getParameterMetaData() {
return PhoenixParameterMetaData.EMPTY_PARAMETER_META_DATA;
}
};
}
}