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fixed the sql string is went wrongs #16

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fixed the sql string is went wrongs #16

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2 changes: 1 addition & 1 deletion src/Overt.Core.Data/Extensions/SqlAlias.Extensions.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -171,7 +171,7 @@ public static string ExistFieldSql(this DatabaseType dbType, string dbName, stri
{
case DatabaseType.SqlServer:
case DatabaseType.GteSqlServer2012:
return $"select count(1) sys.columns where object_id = object_id('{tableName}') and name='{fieldName}'";
return $"select count(1) from sys.columns where object_id = object_id('{tableName}') and name='{fieldName}'";
case DatabaseType.MySql:
return $"select count(1) from information_schema.columns where table_schema = '{dbName}' and table_name = '{tableName}' and column_name = '{fieldName}'";
case DatabaseType.SQLite:
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