feat: add TiDB as a compatibility-tested database

.github/workflows/build-and-test.yml

@@ -126,7 +126,7 @@ jobs:
     if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || contains(github.event.pull_request.labels.*.name, 'run-compat-tests')
     strategy:
       matrix:
-        db: [ MARIADB ]
+        db: [ MARIADB, TIDB ]
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
         with:

README.md

@@ -22,6 +22,7 @@ Kapper is a lightweight, Dapper-inspired ORM (Object-Relational Mapping) library
 ![MSSQL](https://img.shields.io/badge/mssql-%23CC2927.svg?style=for-the-badge&logo=microsoftsqlserver&logoColor=white)
 ![DuckDB](https://img.shields.io/badge/duckdb-FFF000.svg?style=for-the-badge&logo=duckdb&logoColor=black)
 ![MariaDB](https://img.shields.io/badge/mariadb-003545.svg?style=for-the-badge&logo=mariadb&logoColor=white)
+![TiDB](https://img.shields.io/badge/tidb-DD0031.svg?style=for-the-badge&logo=tidb&logoColor=white)
 
 See [Kapper](https://driessamyn.github.io/kapper/) for more information.
 

core/src/integrationTest/kotlin/net/samyn/kapper/AbstractDbTests.kt

@@ -10,6 +10,8 @@ import org.junit.jupiter.params.ParameterizedClass
 import org.junit.jupiter.params.provider.Arguments
 import org.junit.jupiter.params.provider.Arguments.arguments
 import org.junit.jupiter.params.provider.MethodSource
+import org.testcontainers.containers.GenericContainer
+import org.testcontainers.utility.DockerImageName
 import org.testcontainers.containers.JdbcDatabaseContainer
 import org.testcontainers.containers.MSSQLServerContainer
 import org.testcontainers.containers.MariaDBContainer
@@ -57,6 +59,13 @@ abstract class AbstractDbTests {
             MariaDBContainer("mariadb:11.7").also { it.start() }
         }
 
+        private val tidb by lazy {
+            GenericContainer<Nothing>(DockerImageName.parse("pingcap/tidb:v8.5.1")).apply {
+                withExposedPorts(4000)
+                start()
+            }
+        }
+
         private val msSqlServer by lazy {
             MSSQLServerContainer("mcr.microsoft.com/mssql/server:2017-CU12")
                 .acceptLicense()
@@ -86,6 +95,11 @@ abstract class AbstractDbTests {
                 "MSSQLSERVER" to { getConnection(msSqlServer) },
                 "ORACLE" to { getConnection(oracle) },
                 "MARIADB" to { getConnection(mariadb) },
+                "TIDB" to {
+                    DriverManager.getConnection(
+                        "jdbc:mysql://${tidb.host}:${tidb.getMappedPort(4000)}/test?user=root&allowPublicKeyRetrieval=true&useSSL=false",
+                    )
+                },
             )
 
         val dbs =

core/src/main/kotlin/net/samyn/kapper/internal/DbFlavourFunc.kt

@@ -11,7 +11,8 @@ fun Connection.getDbFlavour(): DbFlavour {
         productName.contains("postgres", ignoreCase = true) ||
             productName.contains("enterprisedb", ignoreCase = true) -> DbFlavour.POSTGRESQL
         productName.contains("mysql", ignoreCase = true) ||
-            productName.contains("mariadb", ignoreCase = true) -> DbFlavour.MYSQL
+            productName.contains("mariadb", ignoreCase = true) ||
+            productName.contains("tidb", ignoreCase = true) -> DbFlavour.MYSQL
         productName.contains("sqlite", ignoreCase = true) -> DbFlavour.SQLITE
         productName.contains("oracle", ignoreCase = true) -> DbFlavour.ORACLE
         productName.contains("sql server", ignoreCase = true) ||

core/src/test/kotlin/net/samyn/kapper/internal/DbFlavourTest.kt

@@ -34,6 +34,8 @@ class DbFlavourTest {
                 "MySQL Community Server",
                 "MySQL Enterprise Server",
                 "MariaDB",
+                "TiDB",
+                "TiDB Server",
             ],
     )
     fun `when databaseProductName is mysql then getDbFlavour returns MYSQL`(value: String) {