protected override Expression VisitCollate(CollateExpression collateExpresion)
{
Check.NotNull(collateExpresion, nameof(collateExpresion));
Visit(collateExpresion.Operand);
_relationalCommandBuilder
.Append(" COLLATE ")
.Append(collateExpresion.Collation);
return(collateExpresion);
}
protected override Expression VisitCollate(CollateExpression collateExpression)
{
Check.NotNull(collateExpression, nameof(collateExpression));
var parentOptimize = _optimize;
_optimize = false;
var operand = (SqlExpression)Visit(collateExpression.Operand);
_optimize = parentOptimize;
return(ApplyConversion(collateExpression.Update(operand), condition: false));
}
public virtual SqlExpression ApplyTypeMapping(SqlExpression sqlExpression, RelationalTypeMapping typeMapping)
{
if (sqlExpression == null ||
sqlExpression.TypeMapping != null)
{
return(sqlExpression);
}
return(sqlExpression switch
{
CaseExpression e => ApplyTypeMappingOnCase(e, typeMapping),
CollateExpression e => ApplyTypeMappingOnCollate(e, typeMapping),
LikeExpression e => ApplyTypeMappingOnLike(e),
SqlBinaryExpression e => ApplyTypeMappingOnSqlBinary(e, typeMapping),
SqlUnaryExpression e => ApplyTypeMappingOnSqlUnary(e, typeMapping),
SqlConstantExpression e => e.ApplyTypeMapping(typeMapping),
SqlFragmentExpression e => e,
SqlFunctionExpression e => e.ApplyTypeMapping(typeMapping),
SqlParameterExpression e => e.ApplyTypeMapping(typeMapping),
_ => sqlExpression
});
/// <inheritdoc />
public virtual SqlExpression ApplyTypeMapping(SqlExpression sqlExpression, RelationalTypeMapping typeMapping)
{
#pragma warning disable IDE0046 // Convert to conditional expression
if (sqlExpression == null
#pragma warning restore IDE0046 // Convert to conditional expression
|| sqlExpression.TypeMapping != null)
{
return(sqlExpression);
}
return(sqlExpression switch
{
CaseExpression e => ApplyTypeMappingOnCase(e, typeMapping),
CollateExpression e => ApplyTypeMappingOnCollate(e, typeMapping),
LikeExpression e => ApplyTypeMappingOnLike(e),
SqlBinaryExpression e => ApplyTypeMappingOnSqlBinary(e, typeMapping),
SqlUnaryExpression e => ApplyTypeMappingOnSqlUnary(e, typeMapping),
SqlConstantExpression e => e.ApplyTypeMapping(typeMapping),
SqlFragmentExpression e => e,
SqlFunctionExpression e => e.ApplyTypeMapping(typeMapping),
SqlParameterExpression e => e.ApplyTypeMapping(typeMapping),
_ => sqlExpression
});
/// <summary> /// Visits the children of the collate expression. /// </summary> /// <param name="collateExpression"> The expression to visit. </param> /// <returns> The modified expression, if it or any subexpression was modified; otherwise, returns the original expression. </returns> protected abstract Expression VisitCollate([NotNull] CollateExpression collateExpression);
/// <summary> /// Visits the children of the collate expression. /// </summary> /// <param name="collateExpression"> The expression to visit. </param> /// <returns> The modified expression, if it or any subexpression was modified; otherwise, returns the original expression. </returns> protected abstract Expression VisitCollate(CollateExpression collateExpression);
public virtual void Visit(CollateExpression node)
{
VisitInternal(node.StringValue);
}
public void Visit(CollateExpression node)
{
VisitChild(2, false, false, node.StringValue);
}
protected override Expression VisitCollate([NotNullAttribute] CollateExpression collateExpression)
{
throw new NotImplementedException();
}