From 9a9e7a7b43a9f4d6a469e6fa77b31ed6d06dfabe Mon Sep 17 00:00:00 2001
From: Alec Strong <AlecStrong@users.noreply.github.com>
Date: Mon, 3 Oct 2022 18:42:11 -0400
Subject: [PATCH] Hfhbd/warnings (#3558)

* Fix deprecated String lowercase/uppercase functions

* Fix deprecated String capitalize functions

* Fix other warnings

* Fix imports

Co-authored-by: hfhbd <hfhbd@users.noreply.github.com>
---
 .../app/cash/sqldelight/dialects/hsql/HsqlTypeResolver.kt   | 2 +-
 .../app/cash/sqldelight/dialects/mysql/MySqlTypeResolver.kt | 2 +-
 .../dialects/postgresql/PostgreSqlTypeResolver.kt           | 2 +-
 .../sqldelight/dialects/sqlite_3_18/SqliteTypeResolver.kt   | 2 +-
 .../sqlite_3_18/grammar/mixins/StatementValidatorMixin.kt   | 3 +--
 .../kotlin/app/cash/sqldelight/coroutines/FlowExtensions.kt | 6 ------
 .../src/main/kotlin/app/cash/sqldelight/core/StringUtil.kt  | 5 +++++
 .../cash/sqldelight/core/compiler/ExecuteQueryGenerator.kt  | 1 +
 .../sqldelight/core/compiler/QueryInterfaceGenerator.kt     | 1 +
 .../app/cash/sqldelight/core/compiler/SqlDelightCompiler.kt | 1 +
 .../sqldelight/core/compiler/TableInterfaceGenerator.kt     | 1 +
 .../core/compiler/integration/TableIntegration.kt           | 1 +
 .../cash/sqldelight/core/compiler/model/BindableQuery.kt    | 1 +
 .../app/cash/sqldelight/core/compiler/model/NamedQuery.kt   | 2 ++
 .../main/kotlin/app/cash/sqldelight/core/lang/Constants.kt  | 2 ++
 .../app/cash/sqldelight/core/lang/psi/ColumnTypeMixin.kt    | 1 +
 .../kotlin/app/cash/sqldelight/core/lang/util/Arguments.kt  | 2 +-
 .../kotlin/app/cash/sqldelight/core/lang/util/ExprUtil.kt   | 2 +-
 .../kotlin/app/cash/sqldelight/core/lang/util/TreeUtil.kt   | 2 +-
 .../kotlin/app/cash/sqldelight/gradle/SqlDelightDatabase.kt | 1 +
 .../intellij/SqlDelightClassNameElementAnnotator.kt         | 2 +-
 .../sqldelight/intellij/SqlDelightCopyPasteProcessor.kt     | 4 ++--
 .../sqldelight/intellij/lang/SqlDelightHighlightVisitor.kt  | 2 +-
 23 files changed, 29 insertions(+), 19 deletions(-)
 create mode 100644 sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/StringUtil.kt

diff --git a/dialects/hsql/src/main/kotlin/app/cash/sqldelight/dialects/hsql/HsqlTypeResolver.kt b/dialects/hsql/src/main/kotlin/app/cash/sqldelight/dialects/hsql/HsqlTypeResolver.kt
index 5753d9d4f56..c4c497ed3db 100644
--- a/dialects/hsql/src/main/kotlin/app/cash/sqldelight/dialects/hsql/HsqlTypeResolver.kt
+++ b/dialects/hsql/src/main/kotlin/app/cash/sqldelight/dialects/hsql/HsqlTypeResolver.kt
@@ -41,7 +41,7 @@ class HsqlTypeResolver(private val parentResolver: TypeResolver) : TypeResolver
     return functionExpr.hsqlFunctionType() ?: parentResolver.functionType(functionExpr)
   }
 
-  private fun SqlFunctionExpr.hsqlFunctionType() = when (functionName.text.toLowerCase()) {
+  private fun SqlFunctionExpr.hsqlFunctionType() = when (functionName.text.lowercase()) {
     "coalesce", "ifnull" -> encapsulatingType(exprList, TINY_INT, SMALL_INT, HsqlType.INTEGER, INTEGER, BIG_INT, REAL, TEXT, BLOB)
     "max" -> encapsulatingType(exprList, TINY_INT, SMALL_INT, HsqlType.INTEGER, INTEGER, BIG_INT, REAL, TEXT, BLOB).asNullable()
     "min" -> encapsulatingType(exprList, BLOB, TEXT, TINY_INT, SMALL_INT, INTEGER, HsqlType.INTEGER, BIG_INT, REAL).asNullable()
diff --git a/dialects/mysql/src/main/kotlin/app/cash/sqldelight/dialects/mysql/MySqlTypeResolver.kt b/dialects/mysql/src/main/kotlin/app/cash/sqldelight/dialects/mysql/MySqlTypeResolver.kt
index be949af4125..7557320592c 100644
--- a/dialects/mysql/src/main/kotlin/app/cash/sqldelight/dialects/mysql/MySqlTypeResolver.kt
+++ b/dialects/mysql/src/main/kotlin/app/cash/sqldelight/dialects/mysql/MySqlTypeResolver.kt
@@ -50,7 +50,7 @@ class MySqlTypeResolver(
     return functionExpr.mySqlFunctionType() ?: parentResolver.functionType(functionExpr)
   }
 
-  private fun SqlFunctionExpr.mySqlFunctionType() = when (functionName.text.toLowerCase()) {
+  private fun SqlFunctionExpr.mySqlFunctionType() = when (functionName.text.lowercase()) {
     "greatest" -> encapsulatingType(exprList, INTEGER, REAL, TEXT, BLOB)
     "concat" -> encapsulatingType(exprList, TEXT)
     "last_insert_id" -> IntermediateType(INTEGER)
diff --git a/dialects/postgresql/src/main/kotlin/app/cash/sqldelight/dialects/postgresql/PostgreSqlTypeResolver.kt b/dialects/postgresql/src/main/kotlin/app/cash/sqldelight/dialects/postgresql/PostgreSqlTypeResolver.kt
index 08ee34bcfaf..28d641f6418 100644
--- a/dialects/postgresql/src/main/kotlin/app/cash/sqldelight/dialects/postgresql/PostgreSqlTypeResolver.kt
+++ b/dialects/postgresql/src/main/kotlin/app/cash/sqldelight/dialects/postgresql/PostgreSqlTypeResolver.kt
@@ -78,7 +78,7 @@ class PostgreSqlTypeResolver(private val parentResolver: TypeResolver) : TypeRes
     return functionExpr.postgreSqlFunctionType() ?: parentResolver.functionType(functionExpr)
   }
 
-  private fun SqlFunctionExpr.postgreSqlFunctionType() = when (functionName.text.toLowerCase()) {
+  private fun SqlFunctionExpr.postgreSqlFunctionType() = when (functionName.text.lowercase()) {
     "greatest" -> encapsulatingType(exprList, PrimitiveType.INTEGER, REAL, TEXT, BLOB)
     "concat" -> encapsulatingType(exprList, TEXT)
     "substring" -> IntermediateType(TEXT).nullableIf(resolvedType(exprList[0]).javaType.isNullable)
diff --git a/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/SqliteTypeResolver.kt b/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/SqliteTypeResolver.kt
index 391d7314d93..88e4f7e126d 100644
--- a/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/SqliteTypeResolver.kt
+++ b/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/SqliteTypeResolver.kt
@@ -28,7 +28,7 @@ open class SqliteTypeResolver(private val parentResolver: TypeResolver) : TypeRe
     }
   }
 
-  private fun SqlFunctionExpr.sqliteFunctionType() = when (functionName.text.toLowerCase()) {
+  private fun SqlFunctionExpr.sqliteFunctionType() = when (functionName.text.lowercase()) {
     "printf" -> IntermediateType(TEXT).nullableIf(resolvedType(exprList[0]).javaType.isNullable)
     "datetime", "julianday", "strftime", "sqlite_compileoption_get", "sqlite_source_id", "sqlite_version" -> {
       IntermediateType(TEXT)
diff --git a/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/grammar/mixins/StatementValidatorMixin.kt b/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/grammar/mixins/StatementValidatorMixin.kt
index f66cc2fabe2..dce98816195 100644
--- a/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/grammar/mixins/StatementValidatorMixin.kt
+++ b/dialects/sqlite-3-18/src/main/kotlin/app/cash/sqldelight/dialects/sqlite_3_18/grammar/mixins/StatementValidatorMixin.kt
@@ -7,7 +7,6 @@ import com.alecstrong.sql.psi.core.psi.SqlTypes
 import com.alecstrong.sql.psi.core.psi.impl.SqlStmtImpl
 import com.intellij.lang.ASTNode
 import com.intellij.psi.tree.TokenSet
-import java.util.Locale
 
 open class StatementValidatorMixin(node: ASTNode) : SqlStmtImpl(node) {
   private fun SqlCompositeElement.annotateReservedKeywords(annotationHolder: SqlAnnotationHolder) {
@@ -16,7 +15,7 @@ open class StatementValidatorMixin(node: ASTNode) : SqlStmtImpl(node) {
       it.annotateReservedKeywords(annotationHolder)
     }
     node.getChildren(TokenSet.create(SqlTypes.ID)).forEach {
-      if (it.text.toUpperCase(Locale.ROOT) in invalidIds) {
+      if (it.text.uppercase() in invalidIds) {
         annotationHolder.createErrorAnnotation(this, "Reserved keyword in sqlite")
       }
     }
diff --git a/extensions/coroutines-extensions/src/commonMain/kotlin/app/cash/sqldelight/coroutines/FlowExtensions.kt b/extensions/coroutines-extensions/src/commonMain/kotlin/app/cash/sqldelight/coroutines/FlowExtensions.kt
index f1c3a0f8986..581a2eed582 100644
--- a/extensions/coroutines-extensions/src/commonMain/kotlin/app/cash/sqldelight/coroutines/FlowExtensions.kt
+++ b/extensions/coroutines-extensions/src/commonMain/kotlin/app/cash/sqldelight/coroutines/FlowExtensions.kt
@@ -31,7 +31,6 @@ import kotlinx.coroutines.flow.mapNotNull
 import kotlinx.coroutines.withContext
 import kotlin.coroutines.CoroutineContext
 import kotlin.jvm.JvmName
-import kotlin.jvm.JvmOverloads
 
 /** Turns this [Query] into a [Flow] which emits whenever the underlying result set changes. */
 @JvmName("toFlow")
@@ -55,7 +54,6 @@ fun <T : Any> Query<T>.asFlow(): Flow<Query<T>> = flow {
   }
 }
 
-@JvmOverloads
 fun <T : Any> Flow<Query<T>>.mapToOne(
   context: CoroutineContext,
 ): Flow<T> = map {
@@ -64,7 +62,6 @@ fun <T : Any> Flow<Query<T>>.mapToOne(
   }
 }
 
-@JvmOverloads
 fun <T : Any> Flow<Query<T>>.mapToOneOrDefault(
   defaultValue: T,
   context: CoroutineContext,
@@ -74,7 +71,6 @@ fun <T : Any> Flow<Query<T>>.mapToOneOrDefault(
   }
 }
 
-@JvmOverloads
 fun <T : Any> Flow<Query<T>>.mapToOneOrNull(
   context: CoroutineContext,
 ): Flow<T?> = map {
@@ -83,7 +79,6 @@ fun <T : Any> Flow<Query<T>>.mapToOneOrNull(
   }
 }
 
-@JvmOverloads
 fun <T : Any> Flow<Query<T>>.mapToOneNotNull(
   context: CoroutineContext,
 ): Flow<T> = mapNotNull {
@@ -92,7 +87,6 @@ fun <T : Any> Flow<Query<T>>.mapToOneNotNull(
   }
 }
 
-@JvmOverloads
 fun <T : Any> Flow<Query<T>>.mapToList(
   context: CoroutineContext,
 ): Flow<List<T>> = map {
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/StringUtil.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/StringUtil.kt
new file mode 100644
index 00000000000..2b29c0a5fdb
--- /dev/null
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/StringUtil.kt
@@ -0,0 +1,5 @@
+package app.cash.sqldelight.core
+
+fun String.capitalize() = replaceFirstChar { if (it.isLowerCase()) it.titlecaseChar() else it }
+
+fun String.decapitalize() = replaceFirstChar { if (it.isLowerCase()) it else it.lowercaseChar() }
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/ExecuteQueryGenerator.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/ExecuteQueryGenerator.kt
index aa5537a2bf8..391b485c038 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/ExecuteQueryGenerator.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/ExecuteQueryGenerator.kt
@@ -1,5 +1,6 @@
 package app.cash.sqldelight.core.compiler
 
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.model.NamedExecute
 import app.cash.sqldelight.core.compiler.model.NamedMutator
 import app.cash.sqldelight.core.lang.argumentType
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/QueryInterfaceGenerator.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/QueryInterfaceGenerator.kt
index 40440af3052..b846547ab4d 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/QueryInterfaceGenerator.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/QueryInterfaceGenerator.kt
@@ -15,6 +15,7 @@
  */
 package app.cash.sqldelight.core.compiler
 
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.model.NamedQuery
 import com.squareup.kotlinpoet.FunSpec
 import com.squareup.kotlinpoet.KModifier.DATA
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/SqlDelightCompiler.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/SqlDelightCompiler.kt
index 87f8a31798f..c9d78f24214 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/SqlDelightCompiler.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/SqlDelightCompiler.kt
@@ -16,6 +16,7 @@
 package app.cash.sqldelight.core.compiler
 
 import app.cash.sqldelight.core.SqlDelightFileIndex
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.model.NamedQuery
 import app.cash.sqldelight.core.compiler.model.SelectQueryable
 import app.cash.sqldelight.core.lang.MigrationFile
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/TableInterfaceGenerator.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/TableInterfaceGenerator.kt
index 03adbd93e91..daa637a9257 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/TableInterfaceGenerator.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/TableInterfaceGenerator.kt
@@ -15,6 +15,7 @@
  */
 package app.cash.sqldelight.core.compiler
 
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.SqlDelightCompiler.allocateName
 import app.cash.sqldelight.core.compiler.integration.javadocText
 import app.cash.sqldelight.core.lang.ADAPTER_NAME
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/integration/TableIntegration.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/integration/TableIntegration.kt
index 3a557afca0c..9dd6d576d44 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/integration/TableIntegration.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/integration/TableIntegration.kt
@@ -1,5 +1,6 @@
 package app.cash.sqldelight.core.compiler.integration
 
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.SqlDelightCompiler
 import app.cash.sqldelight.core.lang.ADAPTER_NAME
 import app.cash.sqldelight.core.lang.SqlDelightFile
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/BindableQuery.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/BindableQuery.kt
index b7de29ff05e..cf079f086c4 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/BindableQuery.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/BindableQuery.kt
@@ -15,6 +15,7 @@
  */
 package app.cash.sqldelight.core.compiler.model
 
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.SqlDelightCompiler.allocateName
 import app.cash.sqldelight.core.lang.acceptsTableInterface
 import app.cash.sqldelight.core.lang.psi.ColumnTypeMixin.ValueTypeDialectType
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/NamedQuery.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/NamedQuery.kt
index d8c5cce8ab5..e7be3768be6 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/NamedQuery.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/compiler/model/NamedQuery.kt
@@ -15,7 +15,9 @@
  */
 package app.cash.sqldelight.core.compiler.model
 
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.SqlDelightCompiler.allocateName
+import app.cash.sqldelight.core.decapitalize
 import app.cash.sqldelight.core.lang.SqlDelightQueriesFile
 import app.cash.sqldelight.core.lang.cursorGetter
 import app.cash.sqldelight.core.lang.parentAdapter
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/Constants.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/Constants.kt
index d637a18e106..28b4a1cd290 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/Constants.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/Constants.kt
@@ -1,5 +1,7 @@
 package app.cash.sqldelight.core.lang
 
+import app.cash.sqldelight.core.capitalize
+import app.cash.sqldelight.core.decapitalize
 import com.intellij.openapi.vfs.VirtualFile
 import com.squareup.kotlinpoet.ClassName
 import com.squareup.kotlinpoet.ParameterizedTypeName.Companion.parameterizedBy
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/psi/ColumnTypeMixin.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/psi/ColumnTypeMixin.kt
index 2de1f80245b..5f244e3cac6 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/psi/ColumnTypeMixin.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/psi/ColumnTypeMixin.kt
@@ -15,6 +15,7 @@
  */
 package app.cash.sqldelight.core.lang.psi
 
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.compiler.SqlDelightCompiler.allocateName
 import app.cash.sqldelight.core.lang.types.typeResolver
 import app.cash.sqldelight.core.lang.util.parentOfType
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/Arguments.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/Arguments.kt
index 0a26a1ab9a2..48fca4eca5c 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/Arguments.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/Arguments.kt
@@ -118,7 +118,7 @@ internal fun SqlExpr.argumentType(argument: SqlExpr): IntermediateType {
     }
 
     is SqlFunctionExpr -> {
-      fun argumentType(expr: SqlExpr) = when (functionName.text.toLowerCase()) {
+      fun argumentType(expr: SqlExpr) = when (functionName.text.lowercase()) {
         "instr" -> when (expr) {
           exprList.getOrNull(1) -> IntermediateType(TEXT)
           else -> typeResolver.functionType(this)
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/ExprUtil.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/ExprUtil.kt
index d65cbb59a7a..d8b2614c0a0 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/ExprUtil.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/ExprUtil.kt
@@ -90,7 +90,7 @@ internal object AnsiSqlTypeResolver : TypeResolver {
     }
   }
 
-  private fun SqlFunctionExpr.typeReturned() = when (functionName.text.toLowerCase()) {
+  private fun SqlFunctionExpr.typeReturned() = when (functionName.text.lowercase()) {
     "round" -> {
       // Single arg round function returns an int. Otherwise real.
       if (exprList.size == 1) {
diff --git a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/TreeUtil.kt b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/TreeUtil.kt
index 2b776817611..9342bbf2f0f 100644
--- a/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/TreeUtil.kt
+++ b/sqldelight-compiler/src/main/kotlin/app/cash/sqldelight/core/lang/util/TreeUtil.kt
@@ -168,7 +168,7 @@ private fun PsiElement.rangesToReplace(): List<Pair<IntRange, String>> {
         second = "",
       ),
     )
-  } else if (this is SqlModuleArgument && moduleArgumentDef?.columnDef != null && (parent as SqlCreateVirtualTableStmt).moduleName?.text?.toLowerCase() == "fts5") {
+  } else if (this is SqlModuleArgument && moduleArgumentDef?.columnDef != null && (parent as SqlCreateVirtualTableStmt).moduleName?.text?.lowercase() == "fts5") {
     val columnDef = moduleArgumentDef!!.columnDef!!
     // If there is a space at the end of the constraints, preserve it.
     val lengthModifier = if (columnDef.columnConstraintList.isNotEmpty() && columnDef.columnConstraintList.last()?.lastChild?.prevSibling is PsiWhiteSpace) 1 else 0
diff --git a/sqldelight-gradle-plugin/src/main/kotlin/app/cash/sqldelight/gradle/SqlDelightDatabase.kt b/sqldelight-gradle-plugin/src/main/kotlin/app/cash/sqldelight/gradle/SqlDelightDatabase.kt
index eaefbe2d131..becec2f7e4f 100644
--- a/sqldelight-gradle-plugin/src/main/kotlin/app/cash/sqldelight/gradle/SqlDelightDatabase.kt
+++ b/sqldelight-gradle-plugin/src/main/kotlin/app/cash/sqldelight/gradle/SqlDelightDatabase.kt
@@ -1,6 +1,7 @@
 package app.cash.sqldelight.gradle
 
 import app.cash.sqldelight.VERSION
+import app.cash.sqldelight.core.capitalize
 import app.cash.sqldelight.core.lang.MigrationFileType
 import app.cash.sqldelight.core.lang.SqlDelightFileType
 import app.cash.sqldelight.gradle.kotlin.Source
diff --git a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightClassNameElementAnnotator.kt b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightClassNameElementAnnotator.kt
index 97d8a09efe1..6bb6d2aa9b0 100644
--- a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightClassNameElementAnnotator.kt
+++ b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightClassNameElementAnnotator.kt
@@ -82,7 +82,7 @@ internal class SqlDelightClassNameElementAnnotator : Annotator {
   ): PsiElement {
     val elementText = javaTypeMixin.text
     val className = classes.map { clazz -> findMissingNestedClassName(clazz, elementText) }
-      .maxBy { it.length }
+      .maxByOrNull { it.length }
       ?.substringBefore(".") ?: return javaTypeMixin.firstChild
     return javaTypeMixin.children.first { it.textMatches(className) }
   }
diff --git a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightCopyPasteProcessor.kt b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightCopyPasteProcessor.kt
index 43ed22d0192..4ec720bbd50 100644
--- a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightCopyPasteProcessor.kt
+++ b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightCopyPasteProcessor.kt
@@ -100,7 +100,7 @@ class SqlDelightCopyPasteProcessor : CopyPastePostProcessor<ReferenceTransferabl
     }
 
     val references = values.first().data
-    if (references.isNullOrEmpty()) {
+    if (references.isEmpty()) {
       return
     }
 
@@ -129,7 +129,7 @@ class SqlDelightCopyPasteProcessor : CopyPastePostProcessor<ReferenceTransferabl
       if (oldImports.isEmpty()) {
         document.insertString(0, "$newImports\n\n")
       } else {
-        val endOffset = importStmtList.map { it.textOffset + it.textLength }.max() ?: 0
+        val endOffset = importStmtList.maxOfOrNull { it.textOffset + it.textLength } ?: 0
         document.replaceString(0, endOffset, newImports)
       }
     }
diff --git a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/lang/SqlDelightHighlightVisitor.kt b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/lang/SqlDelightHighlightVisitor.kt
index 2e9a7e62c47..71a315673b4 100644
--- a/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/lang/SqlDelightHighlightVisitor.kt
+++ b/sqldelight-idea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/lang/SqlDelightHighlightVisitor.kt
@@ -25,7 +25,7 @@ class SqlDelightHighlightVisitor : SqlVisitor(), HighlightVisitor {
   private var myHolder: HighlightInfoHolder? = null
 
   override fun suitableForFile(file: PsiFile): Boolean {
-    val file = file as? SqlDelightFile ?: return false
+    if (file !is SqlDelightFile) return false
     val module = file.module ?: return false
     return SqlDelightProjectService.getInstance(file.project).fileIndex(module).isConfigured
   }