Package org.apache.calcite.adapter.os

The OS adapter contains various table functions that let you query data sources in your operating system and environment.
  • Class Summary 
    Class Description
    DuTableFunction
    Table function that executes the OS "du" ("disk usage") command to compute file sizes.
    FilesTableFunction
    Table function that executes the OS "find" command to find files under a particular path.
    GitCommitsTableFunction
    Table function that executes the OS "git log" command to discover git commits.
    JpsTableFunction
    Table function that executes the OS "jps" ("Java Virtual Machine Process Status Tool") command to list all java processes of a user.
    Processes
    Utilities regarding operating system processes.
    PsTableFunction
    Table function that executes the OS "ps" command to list processes.
    SqlShell
    Command that executes its arguments as a SQL query against Calcite's OS adapter.
    StdinTableFunction
    Table function that reads stdin and returns one row per line.
    VmstatTableFunction
    Table function that executes the OS "vmstat" command to share memory statistics.