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TDBXPackageProcedureParametersColumns Class

Accesses columns by name in the PackageProcedureParameters metadata.

Pascal
TDBXPackageProcedureParametersColumns = class;
C++
class TDBXPackageProcedureParametersColumns;

DBXMetaDataNames

TDBXPackageProcedureParametersColumns is used to access columns by name in the PackageProcedureParameters metadata collection. These columns are returned when TDBXCommand.Text' is TDBXMetaDataCommandsEx.GetPackageProcedureParameters when reading metadata. To retrieve metadata columns, use these constants to index the TDBXReader instance returned by TDBXCommand.ExecuteQuery. 

This table describes the columns.

Column Name 
Data Type of Column Data 
Description 
String  
Catalog name.  
String  
Schema name.  
String  
Package name.  
String  
Procedure name from package.  
String  
Parameter name.  
String  
Parameter mode: IN, OUT, INOUT, RESULT.  
String  
Database specific data type name.  
Int32  
Precision of this type.
For string data type, this is maximum number of characters.
For decimal types, this is maximum number of digits, including digits from the scale.  
Scale  
Int32  
Scale of a decimal type.  
Int32  
Position in rows of table, starting with 1.  
Boolean  
Can accept NULL values.  
Int32  
dbExpress data type.  
Boolean  
Holds fixed length data.  
Boolean  
Can hold Unicode characters.  
IsLong  
Boolean  
Is BLOB data type.  
Boolean  
Is unsigned numeric type.  

 

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