patch_2017-01-23.mysql 2.44 KB
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-- Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
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-- Copyright [2016-2021] EMBL-European Bioinformatics Institute
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-- 
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
-- 
--      http://www.apache.org/licenses/LICENSE-2.0
-- 
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.

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-- ---------------------------------------------------------------------------------------------------

SET @expected_version = 84;

    -- make MySQL stop immediately after it encounters division by zero:
SET SESSION sql_mode='TRADITIONAL';

    -- warn that we detected the schema version mismatch:
SELECT CONCAT(  'The patch only applies to schema version ',
                @expected_version,
                ', but the current schema version is ',
                meta_value,
                ', so skipping the rest.') AS ''
    FROM hive_meta WHERE meta_key='hive_sql_schema_version' AND meta_value<>@expected_version;

    -- cause division by zero only if current version differs from the expected one:
INSERT INTO hive_meta (meta_key, meta_value)
    SELECT 'this_should_never_be_inserted', 1 FROM hive_meta WHERE NOT 1/(meta_key<>'hive_sql_schema_version' OR meta_value=@expected_version);

SELECT CONCAT(  'The patch seems to be compatible with schema version ',
                @expected_version,
                ', applying the patch...') AS '';

    -- Now undo the change so that we could patch potentially non-TRADITIONAL schema:
SET SESSION sql_mode='';

-- ----------------------------------<actual_patch> -------------------------------------------------


ALTER TABLE analysis_base MODIFY COLUMN max_retry_count INTEGER;


-- ----------------------------------</actual_patch> -------------------------------------------------


    -- increase the schema version by one and register the patch:
UPDATE hive_meta SET meta_value=meta_value+1 WHERE meta_key='hive_sql_schema_version';
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INSERT INTO hive_meta (meta_key, meta_value) SELECT CONCAT("patched_to_", meta_value), CURRENT_TIMESTAMP FROM hive_meta WHERE meta_key = "hive_sql_schema_version";