public override IList <SqlRuleProblem> Analyze(SqlRuleExecutionContext ruleExecutionContext)
{
List <SqlRuleProblem> problems = new List <SqlRuleProblem>();
TSqlObject sqlObj = ruleExecutionContext.ModelElement;
if (sqlObj == null || sqlObj.IsWhiteListed())
{
return(problems);
}
var fragment = ruleExecutionContext.ScriptFragment.GetFragment(typeof(CreateTableStatement));
var tableName = sqlObj.Name.GetName();
ColumnDefinitionVisitor columnVisitor = new ColumnDefinitionVisitor();
fragment.Accept(columnVisitor);
var longChars = columnVisitor.Statements
.Where(col => col.DataType != null && col.DataType.Name != null)
.Select(col => new
{
column = col,
name = col.ColumnIdentifier.Value,
type = col.DataType.Name.Identifiers.FirstOrDefault()?.Value,
length = GetDataTypeLength(col)
})
.Where(x => (_comparer.Equals(x.type, "char") || _comparer.Equals(x.type, "nchar")) && x.length > 9);
problems.AddRange(longChars.Select(col => new SqlRuleProblem(Message, sqlObj, col.column)));
return(problems);
}
/// <summary>
/// Performs analysis and returns a list of problems detected
/// </summary>
/// <param name="ruleExecutionContext">Contains the schema model and model element to analyze</param>
/// <returns>
/// The problems detected by the rule in the given element
/// </returns>
public override IList <SqlRuleProblem> Analyze(SqlRuleExecutionContext ruleExecutionContext)
{
var problems = new List <SqlRuleProblem>();
var sqlModel = ruleExecutionContext.SchemaModel;
if (sqlModel == null)
{
return(problems);
}
var tables = sqlModel.GetObjects(DacQueryScopes.UserDefined, Table.TypeClass).Where(t => !t.IsWhiteListed());
var columnList = new List <TableColumnInfo>();
foreach (var table in tables)
{
var fragment = table.GetFragment();
var columnVisitor = new ColumnDefinitionVisitor();
fragment.Accept(columnVisitor);
columnList.AddRange(columnVisitor.NotIgnoredStatements(RuleId)
.Where(col => col.DataType != null)
.Select(col =>
new TableColumnInfo()
{
TableName = table.Name.GetName(),
ColumnName = col.ColumnIdentifier.Value,
DataType = col.DataType.Name.Identifiers.FirstOrDefault()?.Value,
DataTypeParameters = GetDataTypeLengthParameters(col),
Column = col,
Table = table
}
));
}
//find all the columns that match by name but differ by data type or length....
var offenders = columnList.Where(x =>
columnList.Any(y =>
!_comparer.Equals(x.TableName, y.TableName) &&
_comparer.Equals(x.ColumnName, y.ColumnName) &&
(
!_comparer.Equals(x.DataType, y.DataType) ||
!_comparer.Equals(x.DataTypeParameters, y.DataTypeParameters)
)
)
);
problems.AddRange(offenders
.Select(col => new SqlRuleProblem(string.Format(Message, col.ToString()), col.Table, col.Column)));
return(problems);
}
/// <summary>
/// Performs analysis and returns a list of problems detected
/// </summary>
/// <param name="ruleExecutionContext">Contains the schema model and model element to analyze</param>
/// <returns>
/// The problems detected by the rule in the given element
/// </returns>
public override IList <SqlRuleProblem> Analyze(SqlRuleExecutionContext ruleExecutionContext)
{
List <SqlRuleProblem> problems = new List <SqlRuleProblem>();
TSqlObject sqlObj = ruleExecutionContext.ModelElement;
if (sqlObj == null || sqlObj.IsWhiteListed())
{
return(problems);
}
var fragment = ruleExecutionContext.ScriptFragment.GetFragment(typeof(CreateTableStatement));
var objName = sqlObj.Name.GetName();
var dbCollation = ruleExecutionContext.SchemaModel.CopyModelOptions().Collation;
ColumnDefinitionVisitor columnVisitor = new ColumnDefinitionVisitor();
fragment.Accept(columnVisitor);
var statements = columnVisitor.NotIgnoredStatements(RuleId).ToList();
var columnOffenders = statements.Where(col =>
(col.Collation != null && !_comparer.Equals(col.Collation?.Value, dbCollation))
).ToList();
problems.AddRange(columnOffenders.Select(col => new SqlRuleProblem(MessageColumn, sqlObj, col)));
var defaultOffenders = statements.Where(col =>
{
var collation = (col.DefaultConstraint?.Expression as PrimaryExpression)?.Collation;
return(collation != null && !_comparer.Equals(collation.Value, dbCollation));
}).ToList();
problems.AddRange(defaultOffenders.Select(col => new SqlRuleProblem(MessageDefault, sqlObj, col.DefaultConstraint)));
return(problems);
}
