How to use

JdbcTable

in

org.apache.calcite.adapter.jdbc

static String getTableName(JdbcTable table) {
  // tableName is: [catalog,] [schema,] table
  SqlIdentifier identifier = table.tableName();
  return identifier.names.get(identifier.names.size() - 1);
}

static RelNode toRel(RelOptCluster cluster, RelOptSchema relOptSchema, JdbcTable table, List<String> qualifiedName) {
  RelOptTable.ToRelContext toRelContext = new RelOptTable.ToRelContext() {
    @Override
    public RelOptCluster getCluster() {
      return cluster;
    }
    @Override
    public RelRoot expandView(RelDataType rowType, String queryString, List<String> schemaPath, List<String> viewPath) {
      throw new UnsupportedOperationException();
    }
  };
  return table.toRel(
      toRelContext,
      relOptSchema.getTableForMember(qualifiedName)
  );
}

public Enumerable<Object[]> scan(DataContext root) {
 final JavaTypeFactory typeFactory = root.getTypeFactory();
 final SqlString sql = generateSql();
 return ResultSetEnumerable.of(jdbcSchema.getDataSource(), sql.getSql(),
   JdbcUtils.ObjectArrayRowBuilder.factory(fieldClasses(typeFactory)));
}

 public Enumerator<T> enumerator() {
  final JavaTypeFactory typeFactory =
    ((CalciteConnection) queryProvider).getTypeFactory();
  final SqlString sql = generateSql();
  //noinspection unchecked
  final Enumerable<T> enumerable = (Enumerable<T>) ResultSetEnumerable.of(
    jdbcSchema.getDataSource(),
    sql.getSql(),
    JdbcUtils.ObjectArrayRowBuilder.factory(fieldClasses(typeFactory)));
  return enumerable.enumerator();
 }
}

  new JdbcTable(this, catalogName, schemaName, tableName, tableType);
builder.put(tableName, table);

JournalledJdbcTable(
    String tableName,
    JournalledJdbcSchema journalledJdbcSchema,
    JdbcTable journalTable,
    String[] keyColumnNames
) {
  super(
      journalledJdbcSchema,
      JdbcTableUtils.getCatalogName(journalTable),
      JdbcTableUtils.getSchemaName(journalTable),
      tableName,
      journalTable.getJdbcTableType()
  );
  this.journalTable = journalTable;
  this.journalledJdbcSchema = journalledJdbcSchema;
  this.keyColumnNames = ImmutableList.copyOf(keyColumnNames);
}

public Enumerable<Object[]> scan(DataContext root) {
 final JavaTypeFactory typeFactory = root.getTypeFactory();
 final SqlString sql = generateSql();
 return ResultSetEnumerable.of(jdbcSchema.getDataSource(), sql.getSql(),
   JdbcUtils.ObjectArrayRowBuilder.factory(fieldClasses(typeFactory)));
}

 public Enumerator<T> enumerator() {
  final JavaTypeFactory typeFactory =
    ((CalciteConnection) queryProvider).getTypeFactory();
  final SqlString sql = generateSql();
  //noinspection unchecked
  final Enumerable<T> enumerable = (Enumerable<T>) ResultSetEnumerable.of(
    jdbcSchema.getDataSource(),
    sql.getSql(),
    JdbcUtils.ObjectArrayRowBuilder.factory(fieldClasses(typeFactory)));
  return enumerable.enumerator();
 }
}

  new JdbcTable(this, catalogName, schemaName, tableName, tableType);
builder.put(tableName, table);

/** @see #dispatch */
public Result visit(JdbcTableScan scan) {
 return result(scan.jdbcTable.tableName(),
   ImmutableList.of(Clause.FROM), scan, null);
}

 public JdbcImplementor.Result implement(JdbcImplementor implementor) {
  return implementor.result(jdbcTable.tableName(),
    ImmutableList.of(JdbcImplementor.Clause.FROM), this, null);
 }
}

/** @see #dispatch */
public Result visit(JdbcTableScan scan) {
 return result(scan.jdbcTable.tableName(),
   ImmutableList.of(Clause.FROM), scan, null);
}

 public JdbcImplementor.Result implement(JdbcImplementor implementor) {
  return implementor.result(jdbcTable.tableName(),
    ImmutableList.of(JdbcImplementor.Clause.FROM), this, null);
 }
}

SqlString generateSql() {
 final SqlNodeList selectList =
   new SqlNodeList(
     Collections.singletonList(SqlIdentifier.star(SqlParserPos.ZERO)),
     SqlParserPos.ZERO);
 SqlSelect node =
   new SqlSelect(SqlParserPos.ZERO, SqlNodeList.EMPTY, selectList,
     tableName(), null, null, null, null, null, null, null);
 final SqlPrettyWriter writer = new SqlPrettyWriter(jdbcSchema.dialect);
 node.unparse(writer, 0, 0);
 return writer.toSqlString();
}

SqlString generateSql() {
 final SqlNodeList selectList =
   new SqlNodeList(
     Collections.singletonList(SqlIdentifier.star(SqlParserPos.ZERO)),
     SqlParserPos.ZERO);
 SqlSelect node =
   new SqlSelect(SqlParserPos.ZERO, SqlNodeList.EMPTY, selectList,
     tableName(), null, null, null, null, null, null, null);
 final SqlPrettyWriter writer = new SqlPrettyWriter(jdbcSchema.dialect);
 node.unparse(writer, 0, 0);
 return writer.toSqlString();
}