Support 805.461.7300
Sales
Our Technology. Your Success.

Add a field to the beginning of a database

*********************************************
comNewFieldName="newfield"
comNewFieldSize=10
comNewFieldType="C"

*********************************************
*Get current database path
comDatabasePath=DBF()
*Construct New Field
comFieldString=comNewFieldName+" "+comNewFieldType+"("+allt(STR(comNewFieldSize))+")"
*Create temporary working file
comTempDbf1=FORCEEXT("t"+SUBSTR(SYS(2015),2),'dbf')
comTempDbf2=FORCEEXT("t"+SUBSTR(SYS(2015),2),'dbf')
*Make copy of current database structure
COPY STRUCTURE EXTENDED TO (comTempDbf1)
*Open structure database
USE (comTempDbf1) ALIAS "_stucture"
*Add new field
ALTER TABLE "_stucture" ADD COLUMN recnum N(3)
REPLACE ALL recnum WITH RECNO()
*Add blank record to structure database
APPEND BLANK
REPLACE field_name WITH comNewFieldName, field_type WITH comNewFieldType, field_len WITH comNewFieldSize
*Write new structure with new field at top
SORT TO (comTempDbf2) ON recnum FIELDS EXCEPT recnum
USE (comTempDbf2) ALIAS "_stucture"
SELECT * FROM "_stucture" INTO ARRAY _newdatabase
USE
*Create new database
CREATE TABLE (FORCEEXT(comDatabasePath,"")+"t.dbf") FROM ARRAY _newdatabase
*Append records from original database
APPEND FROM (comDatabasePath)
*Close new database
USE
*Rename original database with unique name
RENAME (comDatabasePath) TO (FORCEEXT(comDatabasePath,"")+SYS(2015)+".dbf")
RENAME (FORCEEXT(comDatabasePath,"")+"t.dbf") TO (comDatabasePath)
*Cleanup
DELETE FILE(comTempDbf1)
DELETE FILE(comTempDbf1)
*Open new database as original database name
USE (comDatabasePath)

« Back to Commands

AccuZIP's customer service is great. It keeps us from having down time and I'm always able to get a quick answer. don't have to worry about the size of the order I'm working with a client on. Most times, AccuZIP employees know more than the USPS employees. I've been able to navigate the lack of government employee training, which saves time, money and headaches.
M.L., Lansing, WV