EXPORT PARQUET command
This command runs the Export Data function and sends the output to a folder with one parquet file per table.
Syntax
DSCMD EXPORT PARQUET <OutputFolder> [OPTIONS]
Arguments
| Name | Description |
|---|---|
| <OutputFolder> | The path and name of the folder to which the parquet data will be written |
Options
| Option | Description |
|---|---|
| -h, --help | displays the help for the EXPORT PARQUET command |
| -s, --server <SERVER> | the name of the server to connect to |
| -d, --database <DATABASE> | The name of the tabular database to export from |
| -u, --userid <USERID> | The username to use for authentication (see Authentication for more details) |
| -p, --password <PASSWORD> | The password to use for authentication (see Authentication for more details) |
| -c, --connectionstring <CONNECTIONSTRING> | The connection string for the data source |
| -t, --tables <TABLES> | A list of tables to be exported (defaults to all tables) |
| -v, --verbose | Enables verbose logging output |
-t --tables Option
This option is a comma separate list of table names
If you need to include tables with spaces the whole parameter needs to be quoted eg. -t "Table 1,Table 2"
If you need to include " characters these need to be escaped with a leading backslash eg. -t "My \"Table\" 1,Table2
If you need to include , or \ characters these need to be doubled up eg. -t "My \"Table\" \\ 1,Table2
| Table Name Scenario | Example | Table Names |
|---|---|---|
| No Spaces | -t Table1,Table2,Table3 | Table1 Table2 Table3 |
| Including Spaces | -t "Table 1,Table 2,Table3" | Table 1 Table 2 Table3 |
| Including Quotes & Spaces | -t "Table1,My \"Table\" 2,Table3" | Table1 My "Table" 2 Table3 |
| Including Commas | -t Table1,My,,Table2,Table3 | Table1 My,Table2 Table3 |
| Including Quotes,Commas & Spaces | -t "Table1,My,,\"Table\" 2,Table3" | Table1 My,"Table" 2 Table3 |
Examples
The following example exports all of the tables from the Adventure Works model to the c:\temp\export folder as parquet files.
dscmd.exe export parquet c:\temp\export -s localhost\tabular -d "Adventure Works"
The following example exports only exports the Product, Product Category and Reseller Sales tables from the Adventure Works model to the c:\temp\export folder as parquet files.
dscmd.exe export parquet c:\temp\export -s localhost\tabular -d "Adventure Works" -t "Product,Product Category,Reseller Sales"