程序包 com.tangzc.mpe.autotable.strategy.pgsql.mapper

接口 PgsqlTablesMapper

@InterceptorIgnore(tenantLine="true", illegalSql="true", blockAttack="true") public interface PgsqlTablesMapper
创建更新表结构的Mapper
作者:
don

  • 方法详细资料

    • executeSql

      @Select("${sql}") void executeSql(String sql)
      万能sql执行器
      参数:
      sql - 待执行的sql

    • dropTableByName

      @Delete("DROP TABLE IF EXISTS ${tableName}") void dropTableByName(String tableName)
      注意使用${}占位，而不是#{}，是因为表名前面没有=这种公式，会导致解析后的表名有问题
      参数:
      tableName - 表名

    • checkTableExist

      @Select("select count(*) from pg_class where relname = #{tableName}") int checkTableExist(String tableName)
      判断表是否存在
      参数:
      tableName - 表名
      返回:
      数量

    • selectTableDescription

      @Select("select description from pg_description where objoid=(select oid from pg_class where relname = #{tableName}) and objsubid=0") String selectTableDescription(String tableName)
      查询表名注释
      参数:
      tableName - 表名
      返回:
      表注释

    • selectTableFieldDetail

      @Result(column="primary",property="primary") @Result(column="description",property="description") @Result(column="table_catalog",property="tableCatalog") @Result(column="table_schema",property="tableSchema") @Result(column="table_name",property="tableName") @Result(column="column_name",property="columnName") @Result(column="ordinal_position",property="ordinalPosition") @Result(column="column_default",property="columnDefault") @Result(column="is_nullable",property="isNullable") @Result(column="data_type",property="dataType") @Result(column="character_maximum_length",property="characterMaximumLength") @Result(column="character_octet_length",property="characterOctetLength") @Result(column="numeric_precision",property="numericPrecision") @Result(column="numeric_precision_radix",property="numericPrecisionRadix") @Result(column="numeric_scale",property="numericScale") @Result(column="datetime_precision",property="datetimePrecision") @Result(column="interval_type",property="intervalType") @Result(column="interval_precision",property="intervalPrecision") @Result(column="character_set_catalog",property="characterSetCatalog") @Result(column="character_set_schema",property="characterSetSchema") @Result(column="character_set_name",property="characterSetName") @Result(column="collation_catalog",property="collationCatalog") @Result(column="collation_schema",property="collationSchema") @Result(column="collation_name",property="collationName") @Result(column="domain_catalog",property="domainCatalog") @Result(column="domain_schema",property="domainSchema") @Result(column="domain_name",property="domainName") @Result(column="udt_catalog",property="udtCatalog") @Result(column="udt_schema",property="udtSchema") @Result(column="udt_name",property="udtName") @Result(column="scope_catalog",property="scopeCatalog") @Result(column="scope_schema",property="scopeSchema") @Result(column="scope_name",property="scopeName") @Result(column="maximum_cardinality",property="maximumCardinality") @Result(column="dtd_identifier",property="dtdIdentifier") @Result(column="is_self_referencing",property="isSelfReferencing") @Result(column="is_identity",property="isIdentity") @Result(column="identity_generation",property="identityGeneration") @Result(column="identity_start",property="identityStart") @Result(column="identity_increment",property="identityIncrement") @Result(column="identity_maximum",property="identityMaximum") @Result(column="identity_minimum",property="identityMinimum") @Result(column="identity_cycle",property="identityCycle") @Result(column="is_generated",property="isGenerated") @Result(column="generation_expression",property="generationExpression") @Result(column="is_updatable",property="isUpdatable") @Select("SELECT key_col.column_name is not null as primary, des.description, col.* FROM information_schema.columns col LEFT JOIN pg_description des on col.ordinal_position=des.objsubid and col.table_name::regclass=des.objoid LEFT JOIN information_schema.key_column_usage key_col on key_col.column_name = col.column_name and key_col.table_name = col.table_name WHERE col.table_name = #{tableName}") List<PgsqlDbColumn> selectTableFieldDetail(String tableName)
      查询所有字段信息
      参数:
      tableName - 表名
      返回:
      字段信息

    • selectTableIndexesDetail

      @Result(column="description",property="description") @Result(column="schemaname",property="schemaName") @Result(column="tablename",property="tableName") @Result(column="indexname",property="indexName") @Result(column="tablespace",property="tablespace") @Result(column="indexdef",property="indexdef") @Select("SELECT d.description,idx.* FROM pg_indexes idx LEFT JOIN pg_description d ON idx.indexname::regclass = d.objoid WHERE idx.tablename = #{tableName}") List<PgsqlDbIndex> selectTableIndexesDetail(String tableName)
      查询所有索引信息
      参数:
      tableName - 表名
      返回:
      索引信息

    • selectPrimaryKeyName

      @Result(column="primary_name",property="primaryName") @Result(column="columns",property="columns") @Select("SELECT constraint_name as primary_name, string_agg(column_name, \',\' ORDER BY ordinal_position ASC) as columns FROM information_schema.key_column_usage WHERE table_name = #{tableName} GROUP BY constraint_name limit 1") PgsqlDbPrimary selectPrimaryKeyName(String tableName)
      查询表下的主键信息
      参数:
      tableName - 表明
      返回:
      主键名