wuweihua
41 lines
1.6 KiB
SQL
41 lines
1.6 KiB
SQL
-- Move Excel attachment link: product.pef_id -> excel_file.psv_id
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SET NAMES utf8mb4;
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SET @db := DATABASE();
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SET @sql := (
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SELECT IF(COUNT(*) = 0,
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'ALTER TABLE prc_price_excel_file ADD COLUMN psv_id bigint(20) DEFAULT NULL COMMENT ''价格版本id prc_price_set_version.psv_id'' AFTER excel_type, ADD KEY idx_pef_psv (psv_id)',
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'SELECT 1')
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'prc_price_excel_file' AND COLUMN_NAME = 'psv_id'
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);
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PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
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SET @has_psp_pef := (
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SELECT COUNT(*) FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'prc_price_set_product' AND COLUMN_NAME = 'pef_id'
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);
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SET @sql := IF(@has_psp_pef > 0,
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'UPDATE prc_price_excel_file f INNER JOIN (SELECT pef_id, MIN(psv_id) AS psv_id FROM prc_price_set_product WHERE pef_id IS NOT NULL GROUP BY pef_id) x ON x.pef_id = f.pef_id SET f.psv_id = IFNULL(f.psv_id, x.psv_id)',
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'SELECT 1');
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PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
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SET @sql := (
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SELECT IF(COUNT(*) > 0,
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'ALTER TABLE prc_price_set_product DROP INDEX idx_psp_pef_id',
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'SELECT 1')
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FROM information_schema.STATISTICS
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WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'prc_price_set_product' AND INDEX_NAME = 'idx_psp_pef_id'
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);
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PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
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SET @sql := (
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SELECT IF(COUNT(*) > 0,
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'ALTER TABLE prc_price_set_product DROP COLUMN pef_id',
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'SELECT 1')
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FROM information_schema.COLUMNS
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WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'prc_price_set_product' AND COLUMN_NAME = 'pef_id'
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);
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PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;
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