javascript/__test__/bind.spec.ts

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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import { test, before, after } from 'node:test'
import assert from 'node:assert/strict'
import { createSqliteDatabase, createTestTable } from './test_utils'
import { AdbcDatabase, AdbcConnection, AdbcStatement } from '../lib/index.js'
import { tableFromArrays, Table } from 'apache-arrow'

let db: AdbcDatabase
let conn: AdbcConnection
let stmt: AdbcStatement

before(async () => {
  db = await createSqliteDatabase()
  conn = await db.connect()
  stmt = await conn.createStatement()
  await createTestTable(stmt, 'bind_test')
})

after(async () => {
  try {
    await stmt?.close()
    await conn?.close()
    await db?.close()
  } catch {
    // ignore
  }
})

test('statement: bind and query data', async () => {
  const recordBatchToBind = tableFromArrays({
    id: [null],
    name: ['test_name'],
  })

  assert.strictEqual(recordBatchToBind.numRows, 1)
  await stmt.bind(recordBatchToBind)

  await stmt.setSqlQuery('INSERT INTO bind_test (id, name) VALUES (?, ?)')
  const insertResult = await stmt.executeUpdate()
  assert.strictEqual(insertResult, 1)

  await stmt.setSqlQuery('SELECT id, name FROM bind_test')
  const reader = await stmt.executeQuery()

  let rowCount = 0
  for await (const batch of reader) {
    rowCount += batch.numRows
    const idVector = batch.getChild('id')
    const nameVector = batch.getChild('name')
    assert.strictEqual(idVector?.get(0), null)
    assert.strictEqual(nameVector?.get(0), 'test_name')
  }

  assert.strictEqual(rowCount, 1)
})

test('statement: bind empty table inserts 0 rows', async () => {
  const empty = tableFromArrays({ id: [] as number[], name: [] as string[] })
  assert.strictEqual(empty.numRows, 0)

  const stmt2 = await conn.createStatement()
  await stmt2.setSqlQuery('INSERT INTO bind_test (id, name) VALUES (?, ?)')
  await stmt2.bind(empty)
  const affected = await stmt2.executeUpdate()
  assert.strictEqual(affected, 0)
  await stmt2.close()
})

test('statement: bind single-batch table', async () => {
  const data = tableFromArrays({ id: [100], name: ['single'] })
  assert.strictEqual(data.batches.length, 1)

  const stmt2 = await conn.createStatement()
  await stmt2.setSqlQuery('INSERT INTO bind_test (id, name) VALUES (?, ?)')
  await stmt2.bind(data)
  const affected = await stmt2.executeUpdate()
  assert.strictEqual(affected, 1)
  await stmt2.close()
})

test('statement: bind multi-batch table', async () => {
  const base = tableFromArrays({ id: [10], name: ['first'] })
  const batch1 = base.batches[0]
  const multiTable = new Table([batch1, batch1])
  assert.strictEqual(multiTable.batches.length, 2)

  const stmt2 = await conn.createStatement()
  await stmt2.setSqlQuery('INSERT INTO bind_test (id, name) VALUES (?, ?)')
  await stmt2.bind(multiTable)
  const affected = await stmt2.executeUpdate()
  assert.strictEqual(affected, 2)
  await stmt2.close()
})