dimgigov
ae2e07e626
- Python: pyproject.toml, pytest suite (unit + integration), README, examples - JavaScript: package.json, TypeScript definitions, node:test suite, README, examples - Nim: integration tests, examples, README, improved nimble tasks - Rust: fixed nodelay/localhost IPv6 bug, integration tests, examples, README - Added GitHub Actions CI for all 4 clients against Docker server - Added docker-compose.test.yml for local integration testing - Added .gitignore for each client
97 lines
2.5 KiB
Nim
97 lines
2.5 KiB
Nim
## BaraDB Nim Client — Basic Examples
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## Make sure BaraDB is running on localhost:9472
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import std/asyncdispatch
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import std/strutils
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import baradb/client
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proc exampleConnection() {.async.} =
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echo "=== Connection ==="
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let client = newClient()
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await client.connect()
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echo "Connected: ", client.isConnected
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echo "Ping: ", await client.ping()
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client.close()
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echo "Connected after close: ", client.isConnected
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echo ""
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proc exampleSimpleQuery() {.async.} =
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echo "=== Simple Query ==="
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let client = newClient()
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await client.connect()
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let result = await client.query("SELECT 42 as answer, 'BaraDB' as db")
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echo "Columns: ", result.columns
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echo "Row count: ", result.rowCount
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for row in result.rows:
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echo " ", row.join(", ")
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client.close()
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echo ""
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proc exampleParameterizedQuery() {.async.} =
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echo "=== Parameterized Query ==="
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let client = newClient()
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await client.connect()
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let result = await client.query(
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"SELECT $1 as num, $2 as txt",
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@[
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WireValue(kind: fkInt64, int64Val: 123),
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WireValue(kind: fkString, strVal: "hello world"),
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]
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)
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for row in result.rows:
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echo " ", row.join(", ")
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client.close()
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echo ""
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proc exampleQueryBuilder() {.async.} =
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echo "=== Query Builder ==="
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let client = newClient()
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await client.connect()
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let sql = newQueryBuilder(client)
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.select("id", "name")
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.from("users")
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.where("active = true")
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.orderBy("name", "ASC")
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.limit(5)
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.build()
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echo "Generated SQL: ", sql
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client.close()
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echo ""
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proc exampleDdlDml() {.async.} =
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echo "=== DDL & DML ==="
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let client = newClient()
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await client.connect()
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try:
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discard await client.exec("DROP TABLE IF EXISTS demo_products")
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except:
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discard
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discard await client.exec("CREATE TABLE demo_products (id INT PRIMARY KEY, name STRING, price FLOAT)")
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let affected = await client.exec("INSERT INTO demo_products (id, name, price) VALUES (1, 'Widget', 9.99)")
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echo "Insert affected rows: ", affected
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let result = await client.query("SELECT * FROM demo_products")
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echo "Select returned ", result.rowCount, " row(s)"
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for row in result.rows:
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echo " ", row.join(", ")
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discard await client.exec("DROP TABLE demo_products")
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echo "Table dropped"
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client.close()
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echo ""
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proc main() {.async.} =
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echo "BaraDB Nim Client Examples"
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echo "Make sure BaraDB is running on localhost:9472"
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echo ""
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await exampleConnection()
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await exampleSimpleQuery()
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await exampleParameterizedQuery()
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await exampleQueryBuilder()
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await exampleDdlDml()
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waitFor main()
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