@Override
  public Statement visitDropPipePlugin(IoTDBSqlParser.DropPipePluginContext ctx) {
    final DropPipePluginStatement dropPipePluginStatement = new DropPipePluginStatement();
    dropPipePluginStatement.setPluginName(parseIdentifier(ctx.pluginName.getText()));
    dropPipePluginStatement.setIfExists(ctx.IF() != null && ctx.EXISTS() != null);
    return dropPipePluginStatement;
  }
Check and set datatype, encoding, compressor.

@throws SemanticException if encoding or dataType meets error handling
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/parser/ASTVisitor.java