Database

MongoDB, MySQL, PostgreSQL, and Redis database operations.

9 modules

Module	Description
Insertion base de donnees	Inserer des donnees dans les tables de base de donnees
Requete base de donnees	Executer des requetes SQL sur des bases de donnees PostgreSQL, MySQL ou SQLite
Mise a jour base de donnees	Mettre a jour des donnees dans les tables de base de donnees
Recherche MongoDB	Interroger des documents depuis une collection MongoDB
Insertion MongoDB	Inserer un ou plusieurs documents dans une collection MongoDB
Requete MySQL	Executer une requete SQL sur une base de donnees MySQL et retourner les resultats
Requete PostgreSQL	Executer une requete SQL sur une base de donnees PostgreSQL et retourner les resultats
Redis Obtenir	Obtenir une valeur du cache Redis
Redis Définir	Definir une valeur dans le cache Redis

Modules

Insertion base de donnees

database.insert

Inserer des donnees dans les tables de base de donnees

Parameters:

Name	Type	Required	Default	Description
table	string	Yes	-	Name of the table
data	object	Yes	-	Data to insert or update
database_type	select (postgresql, mysql, sqlite)	No	postgresql	Database type to connect to
connection_string	string	No	-	Database connection string
host	string	No	-	Database host
port	number	No	-	Database port
database	string	No	-	Database name
user	string	No	-	Database username
password	string	No	-	Database password
returning	array	No	-	Columns to return after insert (PostgreSQL)

Output:

Field	Type	Description
inserted_count	number	Nombre de lignes inserees
returning_data	array	Nombre de lignes inserees

Example: Insert single row

table: users
data: {"name": "John", "email": "john@example.com"}
database_type: postgresql

Requete base de donnees

database.query

Executer des requetes SQL sur des bases de donnees PostgreSQL, MySQL ou SQLite

Parameters:

Name	Type	Required	Default	Description
query	string	Yes	-	SQL query to execute
params	array	No	[]	Parameters for parameterized queries (prevents SQL injection)
database_type	select (postgresql, mysql, sqlite)	No	postgresql	Database type to connect to
connection_string	string	No	-	Database connection string
host	string	No	-	Database host
port	number	No	-	Database port
database	string	No	-	Database name
user	string	No	-	Database username
password	string	No	-	Database password
fetch	select (all, one, none)	No	all	How many rows to return from the query

Output:

Field	Type	Description
rows	array	Lignes de resultat de la requete
row_count	number	Lignes de resultat de la requete
columns	array	Lignes de resultat de la requete

Example: Select with parameters

query: SELECT * FROM users WHERE status = $1
params: ["active"]
database_type: postgresql

Mise a jour base de donnees

database.update

Mettre a jour des donnees dans les tables de base de donnees

Parameters:

Name	Type	Required	Default	Description
table	string	Yes	-	Name of the table
data	object	Yes	-	Data to insert or update
where	object	Yes	-	WHERE conditions (column: value for equality)
database_type	select (postgresql, mysql, sqlite)	No	postgresql	Database type to connect to
connection_string	string	No	-	Database connection string
host	string	No	-	Database host
port	number	No	-	Database port
database	string	No	-	Database name
user	string	No	-	Database username
password	string	No	-	Database password

Output:

Field	Type	Description
updated_count	number	Nombre de lignes mises a jour

Example: Update user status

table: users
data: {"status": "active"}
where: {"id": 123}
database_type: postgresql

Recherche MongoDB

db.mongodb.find

Interroger des documents depuis une collection MongoDB

Parameters:

Name	Type	Required	Default	Description
connection_string	string	No	-	MongoDB connection string (defaults to env.MONGODB_URL)
database	string	Yes	-	Database name
collection	string	Yes	-	Collection name
filter	object	No	{}	MongoDB query filter (empty object {} returns all)
projection	object	No	-	Fields to include/exclude in results
limit	number	No	100	Maximum number of documents to return
sort	object	No	-	Sort order (1 for ascending, -1 for descending)

Output:

Field	Type	Description
documents	array	Tableau de documents correspondants
count	number	Tableau de documents correspondants

Example: Find all active users

database: myapp
collection: users
filter: {"status": "active"}
limit: 50

Example: Find with projection and sort

database: myapp
collection: orders
filter: {"total": {"$gt": 100}}
projection: {"_id": 0, "order_id": 1, "total": 1, "created_at": 1}
sort: {"created_at": -1}
limit: 20

Insertion MongoDB

db.mongodb.insert

Inserer un ou plusieurs documents dans une collection MongoDB

Parameters:

Name	Type	Required	Default	Description
connection_string	string	No	-	MongoDB connection string (defaults to env.MONGODB_URL)
database	string	Yes	-	Database name
collection	string	Yes	-	Collection name
document	object	No	-	Document to insert (for single insert)
documents	array	No	-	Array of documents to insert (for bulk insert)

Output:

Field	Type	Description
inserted_count	number	Nombre de documents inseres
inserted_ids	array	Nombre de documents inseres

Example: Insert single document

database: myapp
collection: users
document: {"name": "John Doe", "email": "john@example.com", "created_at": "${timestamp}"}

Example: Insert multiple documents

database: myapp
collection: products
documents: [{"name": "Product A", "price": 19.99}, {"name": "Product B", "price": 29.99}]

Requete MySQL

db.mysql.query

Executer une requete SQL sur une base de donnees MySQL et retourner les resultats

Parameters:

Name	Type	Required	Default	Description
host	string	No	-	Database host
port	number	No	3306	Database port
user	string	No	-	Database username
password	string	No	-	Database password
database	string	No	-	Database name
query	string	Yes	-	SQL query to execute
params	array	No	[]	Parameters for parameterized queries (prevents SQL injection)

Output:

Field	Type	Description
rows	array	Tableau de lignes de resultat en objets
row_count	number	Tableau de lignes de resultat en objets
columns	array	Tableau de lignes de resultat en objets

Example: Select products

query: SELECT id, name, price FROM products WHERE stock > 0 ORDER BY price DESC LIMIT 20

Example: Parameterized query

query: SELECT * FROM orders WHERE customer_id = %s AND created_at > %s
params: ["${customer_id}", "2024-01-01"]

Requete PostgreSQL

db.postgresql.query

Executer une requete SQL sur une base de donnees PostgreSQL et retourner les resultats

Parameters:

Name	Type	Required	Default	Description
connection_string	string	No	-	Database connection string
query	string	Yes	-	SQL query to execute
params	array	No	[]	Parameters for parameterized queries (prevents SQL injection)

Output:

Field	Type	Description
rows	array	Tableau de lignes de resultat en objets
row_count	number	Tableau de lignes de resultat en objets
columns	array	Tableau de lignes de resultat en objets

Example: Select users

query: SELECT id, email, created_at FROM users WHERE active = true LIMIT 10

Example: Parameterized query

query: SELECT * FROM orders WHERE user_id = $1 AND status = $2
params: ["${user_id}", "completed"]

Redis Obtenir

db.redis.get

Obtenir une valeur du cache Redis

Parameters:

Name	Type	Required	Default	Description
key	string	Yes	-	Redis key
host	string	No	-	Redis host (from env.REDIS_HOST or explicit)
port	number	No	6379	Redis port
db	number	No	0	Redis database number

Output:

Field	Type	Description
value	any	La valeur retournee
exists	boolean	La valeur retournee
key	string	La valeur retournee

Example: Get cached value

key: user:123:profile
host: ${env.REDIS_HOST}

Example: Get from remote Redis

key: session:abc
host: redis.example.com
port: 6379
db: 1

Redis Définir

db.redis.set

Definir une valeur dans le cache Redis

Parameters:

Name	Type	Required	Default	Description
key	string	Yes	-	Redis key
value	any	Yes	-	Value to store
ttl	number	No	-	Time to live in seconds (optional)
host	string	No	-	Redis host (from env.REDIS_HOST or explicit)
port	number	No	6379	Redis port
db	number	No	0	Redis database number

Output:

Field	Type	Description
success	boolean	Whether the operation completed successfully
key	string	Key identifier

Example: Cache user profile

key: user:123:profile
value: {"name": "John", "email": "john@example.com"}
ttl: 3600

Example: Set session data

key: session:abc
value: active
ttl: 1800
host: redis.example.com