Examples of org.apache.hadoop.hbase.HBaseAdmin.listTables()

Class org.apache.hadoop.hbase.HBaseAdmin

Examples of org.apache.hadoop.hbase.HBaseAdmin.listTables()

org.apache.hadoop.hbase.HBaseAdmin.listTables()
List all the userspace tables. In other words, scan the META table. If we wanted this to be really fast, we could implement a special catalog table that just contains table names and their descriptors. Right now, it only exists as part of the META table's region info. @return - returns an array of HTableDescriptors @throws IOException

    }
    try {
      HBaseAdmin admin = new HBaseAdmin(conf);
      int tableLength = 0;
      if ("tables".equals(this.command)) {
        HTableDescriptor[] tables = admin.listTables();
        tableLength = tables.length;
        if (tableLength == 0) {
          return new ReturnMsg(0, "No tables found");
        }
        formatter.header(HEADER);

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      return new ReturnMsg(0, "Syntax error : Please check 'Show' syntax.");
    }
    try {
      HBaseAdmin admin = new HBaseAdmin(conf);
      int tableLength = 0;
      HTableDescriptor[] tables = admin.listTables();
      tableLength = tables.length;
      if (tableLength == 0) {
        return new ReturnMsg(0, "No tables found.");
      }
      formatter.header(HEADER);

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