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Check structures

After structure migration, you can choose from two methods for verification. One is provided by us, and the other is an open source tool called Liquibase. This document primarily focuses on the former one.

Example: MySQL -> MySQL

Refer to task templates

Results

Based on the source structures, the check results include miss, diff and extra, all presented in sql. miss.log contains src_sqls, diff.log contains src_sqls and dst_sqls, and extra.log contains dst_sqls.

  • miss.log
[("table.struct_check_test_1.not_match_miss", "CREATE TABLE `struct_check_test_1`.`not_match_miss` (`id` int(11) NOT NULL  ,`text` varchar(10) CHARACTER SET utf8 COLLATE utf8_general_ci NULL  , PRIMARY KEY (`id`)) ENGINE=InnoDB  DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci")]
key: index.struct_check_test_1.not_match_index.i6_miss, src_sql: CREATE  INDEX `i6_miss` ON `struct_check_test_1`.`not_match_index` (`index_col`) 
key: index.struct_check_test_1.not_match_index.i5_diff_name_src, src_sql: CREATE  INDEX `i5_diff_name_src` ON `struct_check_test_1`.`not_match_index` (`index_col`)
  • diff.log
key: index.struct_check_test_1.not_match_index.i4_diff_order, src_sql: CREATE  INDEX `i4_diff_order` ON `struct_check_test_1`.`not_match_index` (`composite_index_col2`,`composite_index_col1`,`composite_index_col3`) 
key: index.struct_check_test_1.not_match_index.i4_diff_order, dst_sql: CREATE  INDEX `i4_diff_order` ON `struct_check_test_1`.`not_match_index` (`composite_index_col3`,`composite_index_col2`,`composite_index_col1`) 
key: table.struct_check_test_1.not_match_column, src_sql: CREATE TABLE `struct_check_test_1`.`not_match_column` (`id` int(10) unsigned auto_increment NOT NULL  ,`varchar_col` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL  ,`char_col` char(10) CHARACTER SET utf8 COLLATE utf8_general_ci NULL  ,`text_col` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL  ,`tinyint_col` tinyint(4) DEFAULT '0' NULL  ,`smallint_col` smallint(6) NULL  ,`mediumint_col` mediumint(9) NULL  ,`int_col` int(11) NULL  ,`bigint_col` bigint(20) NULL  ,`float_col` float(8,2) NULL  ,`double_col` double(16,4) NULL  ,`decimal_col` decimal(10,2) NULL  ,`date_col` date NULL  ,`datetime_col` datetime NULL  ,`timestamp_col` timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL  ,`time_col` time NULL  ,`year_col` year(4) NULL  ,`binary_col` binary(16) NULL  ,`varbinary_col` varbinary(255) NULL  ,`blob_col` blob NULL  ,`tinyblob_col` tinyblob NULL  ,`mediumblob_col` mediumblob NULL  ,`longblob_col` longblob NULL  ,`enum_col` enum('value1','value2','value3') CHARACTER SET utf8 COLLATE utf8_general_ci NULL  ,`set_col` set('option1','option2','option3') CHARACTER SET utf8 COLLATE utf8_general_ci NULL  , PRIMARY KEY (`id`)) ENGINE=InnoDB  DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci
key: table.struct_check_test_1.not_match_column, dst_sql: CREATE TABLE `struct_check_test_1`.`not_match_column` (`id` int(10) unsigned auto_increment NOT NULL  ,`char_col` char(10) CHARACTER SET utf8 COLLATE utf8_general_ci NULL  ,`text_col` text CHARACTER SET utf8 COLLATE utf8_general_ci NULL  ,`tinyint_col` tinyint(4) DEFAULT '0' NULL  ,`smallint_col` smallint(6) NULL  ,`mediumint_col` mediumint(9) NULL  ,`int_col` int(11) NULL  ,`bigint_col` bigint(20) NULL  ,`float_col` float(8,2) NULL  ,`double_col` double(16,4) NULL  ,`decimal_col` decimal(10,2) NULL  ,`datetime_col` datetime NULL  ,`timestamp_col` timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL  ,`time_col` time NULL  ,`year_col` year(4) NULL  ,`binary_col` binary(16) NULL  ,`varbinary_col` varbinary(255) NULL  ,`blob_col` blob NULL  ,`tinyblob_col` tinyblob NULL  ,`mediumblob_col` mediumblob NULL  ,`longblob_col` longblob NULL  ,`enum_col` enum('value1','value2','value3') CHARACTER SET utf8 COLLATE utf8_general_ci NULL  ,`set_col` set('option1','option2','option3') CHARACTER SET utf8 COLLATE utf8_general_ci NULL  , PRIMARY KEY (`id`)) ENGINE=InnoDB  DEFAULT CHARSET=utf8 COLLATE=utf8_general_ci
  • extra.log
key: index.struct_check_test_1.not_match_index.i5_diff_name_dst, dst_sql: CREATE  INDEX `i5_diff_name_dst` ON `struct_check_test_1`.`not_match_index` (`index_col`)