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Fix MySQL charset collation conflicts in database operations #605

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Merged
merged 1 commit into from
Aug 25, 2025
Merged

Fix MySQL charset collation conflicts in database operations #605

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10 changes: 10 additions & 0 deletions module/database/src/main/kotlin/taboolib/module/database/Filterable.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,16 @@ abstract class Filterable {
return Criteria("${asFormattedColumnName()} IN (${unwrapArray(value, el)})", el).apply(this@Filterable)
}

/**
* 在某集合之内（强制使用二进制校对规则，解决字符集冲突）
* 适用于MySQL utf8_general_ci 校对规则冲突的情况
*/
infix fun String.insideBinary(value: Array<Any>): Criteria {
if (value.isEmpty()) error("empty value")
val el = arrayListOf<Any>()
return Criteria("${asFormattedColumnName()} COLLATE utf8mb4_bin IN (${unwrapArray(value, el)})", el).apply(this@Filterable)
}

/** 在某范围之内 */
infix fun String.between(value: Pair<Any, Any>): Criteria {
val el = arrayListOf<Any>()
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3 changes: 2 additions & 1 deletion module/database/src/main/kotlin/taboolib/module/database/HostSQL.kt
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Expand Up @@ -12,7 +12,8 @@ import taboolib.module.database.Database.settingsFile
class HostSQL(val host: String, val port: String, val user: String, val password: String, val database: String) : Host<SQL>() {

// allowPublicKeyRetrieval=true 用来针对 MySQL8 版本出现的 Public Key Retrieval is not allowed 异常
val flags = arrayListOf("characterEncoding=utf-8", "useSSL=false", "allowPublicKeyRetrieval=true")
// useUnicode=true&connectionCollation=utf8mb4_unicode_ci 解决字符集校对规则冲突
val flags = arrayListOf("characterEncoding=utf-8", "useSSL=false", "allowPublicKeyRetrieval=true", "useUnicode=true", "connectionCollation=utf8mb4_unicode_ci")

val flagsURL: String
get() = if (flags.isEmpty()) "" else "?${flags.joinToString("&")}"
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