Connected.Framework/Connected.Data/Schema/Sql/SchemaExists.cs

using Connected.Entities.Storage;

namespace Connected.Data.Schema.Sql;

internal class SchemaExists : SynchronizationQuery<bool>
{
    public SchemaExists(string name)
    {
        Name = name;
    }
    private string Name { get; }

    protected override async Task<bool> OnExecute()
    {
        if (string.IsNullOrWhiteSpace(Name))
            return true;

        var rdr = await Context.OpenReader(new StorageOperation { CommandText = $"SELECT * FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME = '{Name}'" });
        var result = rdr.Read();

        rdr.Close();

        return result;
    }
}