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fix: Make migration for IssueNumber column idempotent in MagazineIssues table

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Natalia Portillo
2025-11-13 03:09:48 +00:00
parent 51d0809536
commit 88307edc9a
1 changed files with 31 additions and 5 deletions
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36
Marechai.Database/Migrations/20200808135203_AddMagazineIssueNumber.cs
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@@ -1,13 +1,39 @@
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Migrations;
namespace Marechai.Database.Migrations
{
public partial class AddMagazineIssueNumber : Migration
{
protected override void Up(MigrationBuilder migrationBuilder) =>
migrationBuilder.AddColumn<uint>("IssueNumber", "MagazineIssues", nullable: true);
protected override void Up(MigrationBuilder migrationBuilder)
{
// Check if the column already exists before adding it (idempotent)
migrationBuilder.Sql(@"
IF NOT EXISTS (
SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = DATABASE()
AND TABLE_NAME = 'MagazineIssues'
AND COLUMN_NAME = 'IssueNumber'
)
THEN
ALTER TABLE `MagazineIssues` ADD `IssueNumber` int unsigned NULL;
END IF;
");
}
protected override void Down(MigrationBuilder migrationBuilder) =>
migrationBuilder.DropColumn("IssueNumber", "MagazineIssues");
protected override void Down(MigrationBuilder migrationBuilder)
{
// Check if the column exists before dropping it (idempotent)
migrationBuilder.Sql(@"
IF EXISTS (
SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_SCHEMA = DATABASE()
AND TABLE_NAME = 'MagazineIssues'
AND COLUMN_NAME = 'IssueNumber'
)
THEN
ALTER TABLE `MagazineIssues` DROP COLUMN `IssueNumber`;
END IF;
");
}
}
}