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SQLDelight 1.x Quick Start Guide #1

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@@ -4,6 +4,8 @@ apply plugin: 'kotlin-android'

apply plugin: 'kotlin-android-extensions'

apply plugin: "com.squareup.sqldelight"

android {
compileSdkVersion 28
defaultConfig {
@@ -21,7 +23,9 @@ dependencies {
implementation 'androidx.appcompat:appcompat:1.0.2'
implementation 'androidx.core:core-ktx:1.0.2'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation "com.squareup.sqldelight:android-driver:1.2.0"
testImplementation 'junit:junit:4.12'
testImplementation "com.squareup.sqldelight:sqlite-driver:1.2.0"
androidTestImplementation 'androidx.test:runner:1.2.0'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}
@@ -1,12 +1,38 @@
package com.handstandsam.sqldelightquickstart

import android.os.Bundle
import android.util.Log
import androidx.appcompat.app.AppCompatActivity
import com.squareup.sqldelight.android.AndroidSqliteDriver

class MainActivity : AppCompatActivity() {

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)

// Don't ever put db code in your activity, but this is a quick start guide
val androidSqlDriver = AndroidSqliteDriver(
schema = Database.Schema,
context = applicationContext,
name = "items.db"
)

val queries = Database(androidSqlDriver).itemInCartEntityQueries

val itemsBefore: List<ItemInCart> = queries.selectAll().executeAsList()
Log.d("ItemDatabase", "Items Before: $itemsBefore")

for (i in 1..3) {
queries.insertOrReplace(
label = "Item $i",
image = "https://localhost/item$i.png",
quantity = i.toLong(),
link = null
)
}

val itemsAfter: List<ItemInCart> = queries.selectAll().executeAsList()
Log.d("ItemDatabase", "Items After: $itemsAfter")
}
}
@@ -0,0 +1,33 @@
CREATE TABLE itemInCart (
label TEXT NOT NULL UNIQUE PRIMARY KEY,
image TEXT NOT NULL,
quantity INTEGER NOT NULL DEFAULT 0,
link TEXT
);

selectAll:
SELECT *
FROM itemInCart
ORDER BY label;

insertOrReplace:
INSERT OR REPLACE INTO itemInCart(
label,
image,
quantity,
link
)
VALUES (?, ?, ?, ?);

selectByLabel:
SELECT *
FROM itemInCart
WHERE label = ?;

empty:
DELETE FROM itemInCart;

deleteByLabel:
DELETE
FROM itemInCart
WHERE label = ?;
@@ -0,0 +1,34 @@
package com.handstandsam.sqldelightquickstart

import com.squareup.sqldelight.sqlite.driver.JdbcSqliteDriver
import org.junit.Assert.assertEquals
import org.junit.Test

class ItemDatabaseTest {

private val inMemorySqlDriver = JdbcSqliteDriver(JdbcSqliteDriver.IN_MEMORY).apply {
Database.Schema.create(this)
}

private val queries = Database(inMemorySqlDriver).itemInCartEntityQueries

@Test
fun smokeTest() {
val emptyItems: List<ItemInCart> = queries.selectAll().executeAsList()
assertEquals(emptyItems.size, 0)

queries.insertOrReplace(
label = "Pineapple",
image = "https://localhost/pineapple.png",
quantity = 5,
link = null
)

val items: List<ItemInCart> = queries.selectAll().executeAsList()
assertEquals(items.size, 1)

val pineappleItem = queries.selectByLabel("Pineapple").executeAsOneOrNull()
assertEquals(pineappleItem?.image, "https://localhost/pineapple.png")
assertEquals(pineappleItem?.quantity?.toInt(), 5)
}
}
@@ -9,6 +9,7 @@ buildscript {
dependencies {
classpath 'com.android.tools.build:gradle:3.5.0'
classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
classpath "com.squareup.sqldelight:gradle-plugin:1.2.0"
}
}

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