更新时间:2024-12-10 GMT+08:00
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FOREIGN_KEY_CHECKS

MySQL中的外键约束,GaussDB(DWS)不支持该属性修改表定义信息,DSC迁移时会将该属性删除。

输入示例

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SET foreign_key_checks = 0;
CREATE TABLE mall_order_dc (
    id bigint NOT NULL AUTO_INCREMENT,
    order_id varchar(50) NOT NULL,
    key order_id(order_id)
);

输出示例

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CREATE TABLE "public"."mall_order_dc" (
  "id" BIGSERIAL NOT NULL,
  "order_id" VARCHAR(200) NOT NULL
) WITH (ORIENTATION = ROW, COMPRESSION = NO) NOCOMPRESS DISTRIBUTE BY HASH ("id");
CREATE INDEX "order_id" ON "public"."mall_order_dc" USING BTREE ("order_id");

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