Documentation

Write to Percona

To write data to Percona with Flux:

  1. Import the sql package.

  2. Pipe-forward data into sql.to() and provide the following parameters:

    • driverName: mysql
    • dataSourceName: See data source name
    • table: Table to write to
    • batchSize: Number of parameters or columns that can be queued within each call to Exec (default is 10000)
import "sql"
  
data
  |> sql.to(
    driverName: "mysql",
    dataSourceName: "user:password@tcp(localhost:3306)/db",
    table: "example_table"
  )

Percona data source name

The mysql driver uses the following data source name (DSN) syntax (also known as a connection string):

username:password@tcp(localhost:3306)/dbname?param=value

Flux to Percona data type conversion

sql.to() converts Flux data types to Percona data types.

Flux data type Percona data type
float FLOAT
int BIGINT
uint BIGINT
string TEXT(16383)
bool BOOL (TINYINT)
time DATETIME

Percona BOOL types

BOOL is a synonym supplied by Percona for convenience. Percona stores BOOL values as TINYINT types so looking at the schema shows the column type as TINYINT.


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