50 lines
1.7 KiB
SQL
50 lines
1.7 KiB
SQL
/*
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Warnings:
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- You are about to drop the `_PostToTag` table. If the table is not empty, all the data it contains will be lost.
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- Added the required column `sourceId` to the `Post` table without a default value. This is not possible if the table is not empty.
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*/
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-- DropForeignKey
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ALTER TABLE `_PostToTag` DROP FOREIGN KEY `_PostToTag_ibfk_1`;
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-- DropForeignKey
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ALTER TABLE `_PostToTag` DROP FOREIGN KEY `_PostToTag_ibfk_2`;
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-- AlterTable
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ALTER TABLE `Post` ADD COLUMN `sourceId` INTEGER NOT NULL;
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-- DropTable
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DROP TABLE `_PostToTag`;
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-- CreateTable
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CREATE TABLE `TagsOnPosts` (
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`tagId` INTEGER NOT NULL,
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`postId` INTEGER NOT NULL,
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PRIMARY KEY (`postId`, `tagId`)
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) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
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-- CreateTable
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CREATE TABLE `_CohortToSource` (
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`A` INTEGER NOT NULL,
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`B` INTEGER NOT NULL,
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UNIQUE INDEX `_CohortToSource_AB_unique`(`A`, `B`),
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INDEX `_CohortToSource_B_index`(`B`)
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) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
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-- AddForeignKey
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ALTER TABLE `Post` ADD CONSTRAINT `Post_sourceId_fkey` FOREIGN KEY (`sourceId`) REFERENCES `Source`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE `TagsOnPosts` ADD CONSTRAINT `TagsOnPosts_postId_fkey` FOREIGN KEY (`postId`) REFERENCES `Post`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE `TagsOnPosts` ADD CONSTRAINT `TagsOnPosts_tagId_fkey` FOREIGN KEY (`tagId`) REFERENCES `Tag`(`id`) ON DELETE RESTRICT ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE `_CohortToSource` ADD FOREIGN KEY (`A`) REFERENCES `Cohort`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;
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-- AddForeignKey
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ALTER TABLE `_CohortToSource` ADD FOREIGN KEY (`B`) REFERENCES `Source`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;
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