cleanup readme

Author: stevensJourney

README.md

@@ -46,14 +46,9 @@ The PowerSync Kotlin Multiplatform SDK is currently in a beta release. It can be
 Current limitations:
 
 - Integration with SQLDelight schema and API generation (ORM) is not yet supported.
-- Supports only a single database file.
 
 Future work/ideas:
-
-- Improved error handling.
 - Attachments helper package.
-- Management of DB connections on each platform natively.
-- Supporting additional targets (JVM, Wasm).
 
 ## Installation
 

core/src/androidMain/kotlin/com/powersync/DatabaseDriverFactory.android.kt

@@ -1,32 +1,21 @@
 package com.powersync
 
 import android.content.Context
-import android.os.Build
-import androidx.annotation.RequiresApi
 import com.powersync.db.internal.InternalSchema
 import kotlinx.coroutines.CoroutineScope
 import org.sqlite.SQLiteCommitListener
-import java.util.Properties
 
 @Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "SqlNoDataSourceInspection")
 public actual class DatabaseDriverFactory(
     private val context: Context,
 ) {
-    @RequiresApi(Build.VERSION_CODES.O)
     internal actual fun createDriver(
         scope: CoroutineScope,
         dbFilename: String,
         dbDirectory: String?,
     ): PsSqlDriver {
         val schema = InternalSchema
 
-        // WAL Mode properties
-        val properties = Properties()
-        properties.setProperty("journal_mode", "WAL")
-        properties.setProperty("journal_size_limit", "${6 * 1024 * 1024}")
-        properties.setProperty("busy_timeout", "30000")
-        properties.setProperty("cache_size", "${50 * 1024}")
-
         val dbPath =
             if (dbDirectory != null) {
                 "$dbDirectory/$dbFilename"
@@ -38,7 +27,7 @@ public actual class DatabaseDriverFactory(
         val driver =
             JdbcSqliteDriver(
                 url = "jdbc:sqlite:$dbPath",
-                properties = properties,
+                properties = buildDefaultWalProperties(),
             )
 
         migrateDriver(driver, schema)

core/src/commonJDBC/kotlin/com/powersync/WalProperties.kt

@@ -0,0 +1,14 @@
+package com.powersync
+
+import java.util.Properties
+
+internal fun buildDefaultWalProperties(): Properties {
+    // WAL Mode properties
+    val properties = Properties()
+    properties.setProperty("journal_mode", "WAL")
+    properties.setProperty("journal_size_limit", "${6 * 1024 * 1024}")
+    properties.setProperty("busy_timeout", "30000")
+    properties.setProperty("cache_size", "${50 * 1024}")
+
+    return properties
+}

core/src/jvmMain/kotlin/com/powersync/DatabaseDriverFactory.jvm.kt

@@ -3,7 +3,6 @@ package com.powersync
 import com.powersync.db.internal.InternalSchema
 import kotlinx.coroutines.CoroutineScope
 import org.sqlite.SQLiteCommitListener
-import java.util.Properties
 
 @Suppress("EXPECT_ACTUAL_CLASSIFIERS_ARE_IN_BETA_WARNING", "SqlNoDataSourceInspection")
 public actual class DatabaseDriverFactory {
@@ -14,13 +13,6 @@ public actual class DatabaseDriverFactory {
     ): PsSqlDriver {
         val schema = InternalSchema
 
-        // WAL Mode properties
-        val properties = Properties()
-        properties.setProperty("journal_mode", "WAL")
-        properties.setProperty("journal_size_limit", "${6 * 1024 * 1024}")
-        properties.setProperty("busy_timeout", "30000")
-        properties.setProperty("cache_size", "${50 * 1024}")
-
         val dbPath =
             if (dbDirectory != null) {
                 "$dbDirectory/$dbFilename"
@@ -31,7 +23,7 @@ public actual class DatabaseDriverFactory {
         val driver =
             JdbcSqliteDriver(
                 url = "jdbc:sqlite:$dbPath",
-                properties = properties,
+                properties = buildDefaultWalProperties(),
             )
 
         migrateDriver(driver, schema)