16 lines
762 B
SQL
16 lines
762 B
SQL
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-- MySQL 8.0+; target database: baiyue_lastleg.
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-- Re-runnable: allow pallet-less carton outbound records.
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SET NAMES utf8mb4;
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USE baiyue_lastleg;
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SET @ddl = (SELECT IF(EXISTS (
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SELECT 1 FROM information_schema.columns
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WHERE table_schema=DATABASE() AND table_name='ll_outbound_pallet_item'
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AND column_name='pallet_no' AND is_nullable='NO'
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), 'ALTER TABLE ll_outbound_pallet_item MODIFY COLUMN pallet_no VARCHAR(128) NULL COMMENT ''托盘号，箱维度出库为空''', 'SELECT 1'));
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PREPARE stmt FROM @ddl; EXECUTE stmt; DEALLOCATE PREPARE stmt;
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SELECT DATABASE() AS target_database, table_name, column_name, is_nullable
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FROM information_schema.columns
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WHERE table_schema=DATABASE() AND table_name='ll_outbound_pallet_item' AND column_name='pallet_no';
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