Name Utils underscoreSeparate method adds extra underscores to the beginning of strings when starting with underscore about micronaut-core HOT 3 CLOSED

package com.trynow.micronaut

import io.micronaut.context.annotation.Primary
import io.micronaut.context.annotation.Replaces
import io.micronaut.data.hibernate.naming.DefaultPhysicalNamingStrategy
import io.micronaut.data.model.naming.NamingStrategy
import jakarta.inject.Singleton
import org.hibernate.boot.model.naming.Identifier
import org.hibernate.boot.model.naming.PhysicalNamingStrategy
import org.hibernate.engine.jdbc.env.spi.JdbcEnvironment

/***
 * This is an almost exact copy of the DefaultPhysicalNamingStrategy class with a fix for a bug
 * that occurs when an identifier start with an underscore.
 */
@Singleton
@Primary
@Replaces(DefaultPhysicalNamingStrategy::class)
class PhysicalNamingStrategyCustom : PhysicalNamingStrategy {
    override fun toPhysicalCatalogName(name: Identifier?, jdbcEnvironment: JdbcEnvironment?): Identifier? {
        return getIdentifier(name)
    }

    override fun toPhysicalSchemaName(name: Identifier?, jdbcEnvironment: JdbcEnvironment?): Identifier? {
        return getIdentifier(name)
    }

    override fun toPhysicalTableName(name: Identifier?, jdbcEnvironment: JdbcEnvironment?): Identifier? {
        return getIdentifier(name)
    }

    override fun toPhysicalSequenceName(name: Identifier?, jdbcEnvironment: JdbcEnvironment?): Identifier? {
        return getIdentifier(name)
    }

    override fun toPhysicalColumnName(name: Identifier?, jdbcEnvironment: JdbcEnvironment?): Identifier? {
        name?.let {
            // In this case the getIdentifier code causes double underscore to be prepended to a string,
            // so we just return the original name, and we will just handle that column name more explicitly
            if (name.text.startsWith("_")) {
                return name
            }
        }
        return getIdentifier(name)
    }

    private fun getIdentifier(name: Identifier?): Identifier? {
        return if (name == null) {
            null
        } else {
            Identifier(
                NamingStrategy.DEFAULT.mappedName(name.text),
                name.isQuoted
            )
        }
    }
}