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using System.Text;
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namespace Connected.Data.Schema.Sql
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{
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internal class TableExists : SynchronizationQuery<bool>
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{
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protected override async Task<bool> OnExecute()
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{
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return (await Context.Select(CommandText)).Result;
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}
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private string CommandText
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{
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get
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{
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var text = new StringBuilder();
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text.AppendLine($"IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = '{Unescape(Context.Schema.SchemaName())}' AND TABLE_NAME = '{Unescape(Context.Schema.Name)}')) SELECT 1 as result ELSE SELECT 0 as result");
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return text.ToString();
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}
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}
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}
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}
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