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DariusIII
54 lines
2.6 KiB
SQL
Executable File
54 lines
2.6 KiB
SQL
Executable File
# tpg_change procedure runs the following on binaries and binaries_(tpg) tables
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#
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# CREATE TABLE binaries_tmp LIKE binaries;
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# ALTER TABLE binaries_tmp MODIFY binaryhash binary(16) NOT NULL DEFAULT '0';
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# INSERT IGNORE INTO binaries_tmp
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# SELECT id, name, collection_id, filenumber, totalparts, currentparts, UNHEX(binaryhash), partcheck, partsize
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# FROM binaries;
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# RENAME TABLE binaries TO binaries_old, binaries_tmp TO binaries;
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# DROP TABLE binaries_old;
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DROP PROCEDURE IF EXISTS tpg_change;
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DELIMITER $$
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CREATE PROCEDURE tpg_change()
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BEGIN
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DECLARE done INT DEFAULT false;
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DECLARE _table CHAR(255);
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DECLARE _stmt VARCHAR(1000);
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DECLARE cur1 CURSOR FOR
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SELECT TABLE_NAME FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = DATABASE() AND COLUMN_NAME = "binaryhash" AND DATA_TYPE <> "binary"
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AND (TABLE_NAME LIKE "binaries\_%" OR TABLE_NAME = "binaries");
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DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;
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OPEN cur1;
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myloop: loop FETCH cur1 INTO _table;
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IF done THEN LEAVE myloop; END IF;
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SET @sql0 := CONCAT("DELETE FROM ", _table, " WHERE LENGTH(binaryhash) <> 32");
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SET @sql1 := CONCAT("DROP TABLE IF EXISTS ", _table, "_tmp");
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SET @sql2 := CONCAT("CREATE TABLE ", _table, "_tmp LIKE ", _table);
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SET @sql3 := CONCAT("ALTER TABLE ", _table, "_tmp MODIFY binaryhash BINARY(16) NOT NULL DEFAULT '0'");
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SET @sql4 := CONCAT("INSERT IGNORE INTO ",
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_table,
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"_tmp (id, name, collection_id, filenumber, totalparts, currentparts, binaryhash, partcheck, partsize) (SELECT id, name, collection_id, filenumber, totalparts, currentparts, UNHEX(binaryhash), partcheck, partsize FROM ",
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_table, ")");
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SET @sql5 := CONCAT("DROP TABLE IF EXISTS ", _table, "_old");
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SET @sql6 := CONCAT("RENAME TABLE ", _table, " TO ", _table, "_old, ", _table, "_tmp TO ", _table);
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SET @sql7 := CONCAT("DROP TABLE IF EXISTS ", _table, "_old");
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PREPARE _stmt FROM @sql0; EXECUTE _stmt; DROP PREPARE _stmt;
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PREPARE _stmt FROM @sql1; EXECUTE _stmt; DROP PREPARE _stmt;
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PREPARE _stmt FROM @sql2; EXECUTE _stmt; DROP PREPARE _stmt;
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PREPARE _stmt FROM @sql3; EXECUTE _stmt; DROP PREPARE _stmt;
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PREPARE _stmt FROM @sql4; EXECUTE _stmt; DROP PREPARE _stmt;
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PREPARE _stmt FROM @sql5; EXECUTE _stmt; DROP PREPARE _stmt;
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PREPARE _stmt FROM @sql6; EXECUTE _stmt; DROP PREPARE _stmt;
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PREPARE _stmt FROM @sql7; EXECUTE _stmt; DROP PREPARE _stmt;
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END loop;
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CLOSE cur1;
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END $$
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DELIMITER ;
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CALL tpg_change();
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DROP PROCEDURE tpg_change;
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