node-red-contrib-teamogy-postgres 0.0.3
Connect to Postgres database.
PostgreSQL node for Node-RED
Connect to Postgres database.
You must configure Connection before using this node.
Connection Configuration
| Parameter | Type | Required | Description |
|---|---|---|---|
| Name | string | Optional | Enter a name or it will be generated on first save |
| Server | string | Required | Enter the hostname of server or IP address |
| Port | number | Required | Enter the port number to connect |
| TLS | checkbox | Optional | If checked, the connection will use TLS when connecting to the server |
| Database | string | Required | Enter the database |
| User | string | Required | Enter the username |
| Password | string | Required | Enter the user's password |
| Max. number of connections | number | Required | Enter the value between 1 and 100, default is 10 |
| Idle connection timeout (s) | number | Required | Enter the value between 0 and 60, default is 0 |
| Connection timeout (s) | number | Required | Enter the value between 1 and 600, default is 30 |
Input Message Format
You can send SQL commands in the following way:
| Parameter | Type | Required | Description |
|---|---|---|---|
| msg.payload | string | Required | SQL command(s) |
You can send one SQL command, for example:
UPDATE users SET phone = '+420222551500' WHERE id = 15
Or multiple commands separated by a semicolon:
SELECT * FROM users WHERE id = 15; SELECT * FROM groups WHERE group_name = 'accounting'
Output Message
| Parameter | Type | Description |
|---|---|---|
| msg.payload | string | object | The standard output from postgres server |
| msg.count | number | The count of records or count of arrays |
| msg.error | string | The error from postgres client or server |
Response Details
- If you send one command, you will get a response in
msg.payloadas an array of records and number of records inmsg.count - If you send multiple commands, you will get a response in
msg.payloadas an array of arrays and number of arrays inmsg.count - If you send a command that does not return values, you will get a response in
msg.payloadas empty array and number of records inmsg.countwill be 0 - If any error in postgres client or server occurs, it will be sent in
msg.error
References
- Teamogy Flow docs - full description of Teamogy Flow
- PostgreSQL docs - full description of PostgreSQL
