2.7 KiB
2.7 KiB
The influxdb3 show system table
command queries data from a system table.
Usage
influxdb3 show system --database <DATABASE_NAME> table [OPTIONS] <SYSTEM_TABLE>
Arguments
- SYSTEM_TABLE: the system table to query
Options
Option | Description | |
---|---|---|
-l |
--limit |
Maximum number of tables entries to display (default is 10 , 0 indicates no limit) |
-o |
--order-by |
Order by the specified columns |
-s |
--select |
Select specific columns from the system table |
--format |
Output format (pretty (default), json , jsonl , csv , or parquet ) |
|
--tls-ca |
Path to a custom TLS certificate authority (for testing or self-signed certificates) | |
-h |
--help |
Print help information |
--help-all |
Print detailed help information |
Examples
- Query a system table
- Query specific columns from a system table
- Query a system table and order by a specific column
- Query a system table and return JSON-formatted output
In the examples below, replace
{{% code-placeholder-key %}}DATABASE_NAME
{{% /code-placeholder-key %}} with
the name of the database to operate on.
{{% code-placeholders "DATABASE_NAME" %}}
Query a system table
# Query the parquet_files system table
influxdb3 show system --database DATABASE_NAME table parquet_files
Query specific columns from a system table
# Select specific columns from the parquet_files system table
influxdb3 show system \
--database DATABASE_NAME \
table \
--select table_name,size_bytes,row_count \
parquet_files
Query a system table and order by a specific column
influxdb3 show system \
--database DATABASE_NAME \
table \
--order-by size_bytes,row_count \
parquet_files
Query a system table and return JSON-formatted output
influxdb3 show system \
--database DATABASE_NAME \
table \
--format json \
parquet_files
{{% /code-placeholders %}}