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add auto detect json based on first row of each column (#571)

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Anthony Dresser
2018-05-09 11:00:06 -07:00
committed by GitHub
parent 45ca7fc071
commit 8f04a38858
1 changed files with 24 additions and 0 deletions
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24
src/Microsoft.SqlTools.ServiceLayer/QueryExecution/ResultSet.cs
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@@ -8,6 +8,7 @@ using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.SqlTools.ServiceLayer.QueryExecution.Contracts;
@@ -362,6 +363,7 @@ namespace Microsoft.SqlTools.ServiceLayer.QueryExecution
}
// Check if resultset is 'for xml/json'. If it is, set isJson/isXml value in column metadata
SingleColumnXmlJsonResultSet();
CheckForIsJson();
}
finally
{
@@ -589,6 +591,28 @@ namespace Microsoft.SqlTools.ServiceLayer.QueryExecution
}
}
/// <summary>
/// Check columns for json type and set isJson if needed
/// </summary>
private void CheckForIsJson()
{
if (Columns?.Length > 0 && RowCount != 0)
{
Regex regex = new Regex(@"({.*?})");
var row = GetRow(0);
for (int i = 0; i < Columns.Length; i++)
{
if (Columns[i].DataTypeName.Equals("nvarchar"))
{
if (regex.IsMatch(row[i].DisplayValue))
{
Columns[i].IsJson = true;
}
}
}
}
}
/// <summary>
/// Determine the special action, if any, for this result set
/// </summary>