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54 lines
1.5 KiB
54 lines
1.5 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Xml.Linq;
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using Patcher.DB;
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namespace Patcher.Data.Command
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{
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class ModifyColumnCommand : AbstractColumnCommandWithOptions
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{
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private ModifyColumnCommand(int num, XElement inner) : base(num, inner)
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{
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}
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public static ModifyColumnCommand CreateSpecific(int num, XElement inner)
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{
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return new ModifyColumnCommand(num, inner);
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}
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public override IEnumerable<XElement> Apply(Transaction transaction, bool forceIntegrity)
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{
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if(!forceIntegrity)
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{
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throw new NotImplementedException("Safe stored procedure creation is not implemented yet");
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}
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var oldOptions = transaction.GetColumnOptions(column);
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transaction.ModifyColumn(this.description);
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return new[]
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{
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new XElement("type", oldOptions.type),
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oldOptions.defaultValue != null ? new XElement("defaultValue", oldOptions.defaultValue) : null,
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oldOptions.isNotNull ? new XElement("isNotNull") : null
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};
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}
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public override void Rollback(Transaction transaction, XElement commandRollbackInfo)
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{
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transaction.ModifyColumn(
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new ColumnDescription(
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this.column,
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new ColumnOptions(
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commandRollbackInfo.Element("type").Value,
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commandRollbackInfo.Element("defaultValue") != null ? commandRollbackInfo.Element("defaultValue").Value : null,
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commandRollbackInfo.Element("isNotNull") != null
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)
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)
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);
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}
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}
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}
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