Backup local changes before resolving remote repository issue
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-- 移除 adm_practitioner 表中 create_by 列的 NOT NULL 约束
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-- 用于解决 org.postgresql.util.PSQLException: ERROR: null value in column "create_by" of relation "adm_practitioner" violates not-null constraint
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-- 在PostgreSQL中,NOT NULL约束实际上是列的一个属性,而不是命名约束
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-- 因此我们使用 ALTER COLUMN ... DROP NOT NULL 来移除它
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-- 可选:先查看当前表结构及约束信息
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-- 注意:\d 命令仅在 psql 中有效,在脚本中不能使用
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/*
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SELECT
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c.column_name,
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c.is_nullable,
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c.data_type,
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tc.constraint_type
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FROM
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information_schema.columns c
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LEFT JOIN
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information_schema.constraint_column_usage ccu ON c.column_name = ccu.column_name AND c.table_name = ccu.table_name
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LEFT JOIN
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information_schema.table_constraints tc ON ccu.constraint_name = tc.constraint_name
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WHERE
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c.table_name = 'adm_practitioner'
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AND c.column_name = 'create_by';
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*/
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-- 移除 create_by 列的 NOT NULL 约束
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ALTER TABLE "public"."adm_practitioner"
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ALTER COLUMN "create_by" DROP NOT NULL;
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-- 可选:如果需要,可以同时移除默认值
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-- ALTER TABLE "public"."adm_practitioner"
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-- ALTER COLUMN "create_by" DROP DEFAULT;
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-- 提示:执行此脚本后,create_by 列将允许 NULL 值
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-- 这将解决插入数据时因缺少 create_by 值而导致的违反非空约束错误
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