public void CommonTypes()
{
var translator = new TypeTranslator();
Assert.Equal(DbType.Integer, translator.StringToType("integer"));
Assert.Equal(DbType.Bool, translator.StringToType("boolean"));
Assert.Equal(DbType.String, translator.StringToType("varchar"));
Assert.Equal(DbType.Date, translator.StringToType("date"));
Assert.Throws <ArgumentException>(() => translator.StringToType("custom type"));
}
public async Task <List <Tooltip> > GetTooltips()
{
var results = new List <Tooltip>();
await using var metadataConnection = _factory.OpenMetadataDbConnection();
await using var subjectConnection = _factory.OpenSubjectDbConnection();
var fields = metadataConnection
.Query <(string TableName, string FieldName, string FriendlyName)>(@"
select table_name as TableName,
field_name as FieldName,
friendly_name as FriendlyName
from fields
where friendly_name is not null");
foreach (var(tableName, fieldName, friendlyName) in fields)
{
var type = await subjectConnection.QueryFirstAsync <string>(@"
select data_type
from information_schema.columns
where table_name = @TableName
and column_name = @ColumnName
and table_schema = 'public'",
new { TableName = tableName, ColumnName = fieldName });
var translatedType = _typeTranslator.StringToType(type);
if (translatedType == DbType.Bool)
{
continue;
}
var result = await GetValues(tableName, fieldName, translatedType, subjectConnection);
var values = result.ToList();
if (values.Count > 0)
{
var tooltip = new Tooltip
{
FieldName = friendlyName,
Type = translatedType,
Items = values
};
results.Add(tooltip);
}
}
return(results);
}