<#list subTables as subTab> <#assign originalForeignKeys = subTab.originalForeignKeys> #segment#${subTab.entityName}Mapper.xml DELETE FROM ${subTab.tableName} WHERE <#list originalForeignKeys as key> ${key} = ${r'#'}{mainId} <#rt/> SELECT * FROM ${subTab.tableName} WHERE <#list originalForeignKeys as key> ${key} = ${r'#'}{mainId} <#rt/>