PX_GET_FIELD
DESCRIPTION
Returns the meta data of the field with the given number in a Paradox file. The first field has number 0, the last one has number_of_fields-1. pxfield_t is defined as
typedef struct px_field pxfield_t;
struct px_field {
char *px_fname;
char px_ftype;
int px_flen;
int px_fdc;
};
The meaning of px_ftype is as following:
Table 1. Values and meaning of px_ftype
| Value | Meaning |
|---|---|
| pxfAlpha | Character string with a maximum of px_flen charackters. |
| pxfDate | |
| pxfShort | Short interger (16 Bit) |
| pxfLong | Long Integer (32 Bit) |
| pxfCurrency | |
| pxfNumber | |
| pxfLogical | |
| pxfMemoBLOb | |
| pxfBLOb | |
| pxfFmtMemoBLOb | |
| pxfOLE | |
| pxfGraphic | |
| pxfTime | |
| pxfTimestamp | |
| pxfAutoInc | |
| pxfBCD | |
| pxfBytes | Array of bytes. |
Latest News
Released version 0.6.6April 07, 2016
This release fixes some more typos in the documentation.
Released version 0.6.5Jannuary 11, 2012
pxlib isn't dead, its development has just slowed down. This release fixes some typos and optimizes the configuration process.
Released version 0.6.2September 19, 2007
This one fixes a long lasting bug on 64 bit architectures. It also is compilable in a mingw environment and Visual C++ with the help of cmake.
Released version 0.6.1March 29, 2006
There were some bugs related to the changes of the last release. This version fixes them. Besides that the following has changed:
- Much better support for secondary indexes
- PX_insert_record() and PX_update_record() treat null values propperly
- PX_delete_record() now updates the internal index without corrupting it.
- Various man page updates.
- Auto increment fields of type pxfAutoInc.
- Fixed some compile errors and warnings.
- Fixed various small bugs and memory leaks.
February 6, 2006
This version includes some major changes to the api while retaining compatible to older versions. If you use the new functions expect bugs but also a much simplier record handling.
- Databases can be read and written after opening with PX_open_xxx()
- Use a cache for reading encrypted blobs
- Added new functions PX_delete_record(), PX_update_record(), PX_insert_record(), PX_retrieve_record()
- reading and writing encrypted blob files is more efficient.
- No more than 64 blobs will be stored in blocks of type 3
- Fixed various small bugs and memory leaks.
August 11, 2005
- fixed bug when reading header of blob (Thanks to Giovanni Giacobbi)
- fixes bug when reading blobs of a certain size from an encrypted .mb file.
- reading and writing encrypted blob files is more efficient.
July 14, 2005
- support for encrypted databases and blob files
02 Feb 05
After a long time the web site has been overhauled with much more information about pxlib.