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Added InsertAttributes to generate insert-statements

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Alexander B 2019-04-12 12:54:37 +02:00
parent d6337ef591
commit 253f63dfac
1 changed files with 38 additions and 1 deletions
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37
Database-Attribute_System/QueryBuilder.cs
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@ -138,7 +138,44 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
return BuildQuery(param);
}
public static string InsertAttributes(string tableName, Dictionary<string, object> dbAttributes)
{
if (dbAttributes.Count == 0) throw new InvalidOperationException("Cannot generate SQL-Query. No attributes to insert.");
List<string> attributes = new List<string>() { };
List<object> data = new List<object>() { };
foreach (KeyValuePair<string, object> attribute in dbAttributes)
{
attributes.Add(attribute.Key);
data.Add(attribute.Value);
}
return InsertAttributes(tableName, attributes, data);
}
public static string InsertAttributes(string tableName, List<string> attributes, List<object> data)
{
if (attributes.Count != data.Count) throw new InvalidOperationException("Cannot generate SQL-Query. Attribute-count and data-count not equal.");
string attributesSeperatedByComma = "";
object[] attributeData = new object[attributes.Count*2];
int c = 0;
for(int i=0; i<attributes.Count*2; i+=2)
{
attributesSeperatedByComma += attributes[i];
attributeData[c] = data[i+1];
if(c+1 != attributes.Count*2)
{
attributesSeperatedByComma += ", ";
attributeData[c+1] = ",";
}
c +=2;
}
// Build and return the query
return BuildQuery($"INSERT INTO {tableName} ({attributesSeperatedByComma}) VALUES (", attributeData, ")");
}