protected override void ColumnRef(IColumnReference colref)
{
if (colref.SpecificData.ContainsKey("mysql.sub_part"))
{
Put("%i(%s)", colref.ColumnName, colref.SpecificData["mysql.sub_part"]);
}
else
{
base.ColumnRef(colref);
}
}
private void ResolveColumnReference(QuerySpecification qs, IColumnReference cr, ColumnContext context)
{
// Try to resolve the table belonging to a column based solely on
// column name. This function is called only on column references with
// unspecified table parts.
// Star columns cannot be resolved, treat them separately
if (!cr.ColumnReference.IsStar && !cr.ColumnReference.IsComplexExpression)
{
ColumnReference ncr = null;
int q = 0;
if (cr.ColumnReference.TableReference.IsUndefined)
{
// This has an empty table reference (only column name specified)
// Look for a match based on column name only
foreach (var tr in qs.SourceTableReferences.Values)
{
foreach (var ccr in tr.ColumnReferences)
{
if (cr.ColumnReference.Compare(ccr))
{
if (q != 0)
{
throw CreateException(ExceptionMessages.AmbigousColumnReference, null, cr.ColumnReference.ColumnName, (Node)cr);
}
ncr = ccr;
q++;
}
}
}
}
else if (!cr.ColumnReference.TableReference.IsUndefined)
{
foreach (var ccr in cr.ColumnReference.TableReference.ColumnReferences)
{
if (cr.ColumnReference.Compare(ccr))
{
if (q != 0)
{
throw CreateException(ExceptionMessages.AmbigousColumnReference, null, cr.ColumnReference.ColumnName, (Node)cr);
}
ncr = ccr;
q++;
}
}
}
if (q == 0)
{
throw CreateException(ExceptionMessages.UnresolvableColumnReference, null, cr.ColumnReference.ColumnName, (Node)cr);
}
// Make copy here and preserve alias!
ncr.ColumnContext |= context;
ncr = new ColumnReference(ncr);
if (cr.ColumnReference != null && cr.ColumnReference.ColumnAlias != null)
{
ncr.ColumnAlias = cr.ColumnReference.ColumnAlias;
}
cr.ColumnReference = ncr;
}
}
public ColumnReference(IColumnReference src)
{
ColumnName = src.ColumnName;
SpecificData = new Dictionary <string, string>();
SpecificData.AddAll(src.SpecificData);
}
private void ResolveColumnReference(QuerySpecification qs, IColumnReference cr, ColumnContext context)
{
// Try to resolve the table belonging to a column based solely on
// column name. This function is called only on column references with
// unspecified table parts.
// Star columns cannot be resolved, treat them separately
if (!cr.ColumnReference.IsStar && !cr.ColumnReference.IsComplexExpression)
{
ColumnReference ncr = null;
int q = 0;
if (cr.ColumnReference.TableReference.IsUndefined)
{
// This has an empty table reference (only column name specified)
// Look for a match based on column name only
foreach (var tr in qs.SourceTableReferences.Values)
{
foreach (var ccr in tr.ColumnReferences)
{
if (cr.ColumnReference.Compare(ccr))
{
if (q != 0)
{
throw CreateException(ExceptionMessages.AmbigousColumnReference, null, cr.ColumnReference.ColumnName, (Node)cr);
}
ncr = ccr;
q++;
}
}
}
}
else if (!cr.ColumnReference.TableReference.IsUndefined)
{
foreach (var ccr in cr.ColumnReference.TableReference.ColumnReferences)
{
if (cr.ColumnReference.Compare(ccr))
{
if (q != 0)
{
throw CreateException(ExceptionMessages.AmbigousColumnReference, null, cr.ColumnReference.ColumnName, (Node)cr);
}
ncr = ccr;
q++;
}
}
}
if (q == 0)
{
throw CreateException(ExceptionMessages.UnresolvableColumnReference, null, cr.ColumnReference.ColumnName, (Node)cr);
}
// Make copy here and preserve alias!
ncr.ColumnContext |= context;
ncr = new ColumnReference(ncr);
if (cr.ColumnReference != null && cr.ColumnReference.ColumnAlias != null)
{
ncr.ColumnAlias = cr.ColumnReference.ColumnAlias;
}
cr.ColumnReference = ncr;
}
}
protected virtual void ColumnRef(IColumnReference colref)
{
WriteRaw(QuoteIdentifier(colref.ColumnName, null));
}
public ColumnRefTreeNode(ITreeNode parent, IColumnReference column)
: base(parent, column.ColumnName)
{
m_column = column;
}
