Difference between revisions of "SQLERROR()"
From Lianjapedia
Yvonne.milne (Talk | contribs) |
Yvonne.milne (Talk | contribs) |
||
| Line 25: | Line 25: | ||
==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
| − | nStatHand= | + | nStatHand=sqlconnect("awhr") |
if nStatHand < 1 | if nStatHand < 1 | ||
messagebox("Cannot make connection", 16, "SQL Connect Error") | messagebox("Cannot make connection", 16, "SQL Connect Error") | ||
else | else | ||
messagebox("Connection made", 48, "SQL Connect Message") | messagebox("Connection made", 48, "SQL Connect Message") | ||
| − | + | sqlexec(nStatHand,"create table doc1 (account_no char(5), lastname char(25), balance dec(10,2))") | |
messagebox("Table created") | messagebox("Table created") | ||
m_accno = "00699" | m_accno = "00699" | ||
m_lastname = "Smith" | m_lastname = "Smith" | ||
m_balance = 12345.67 | m_balance = 12345.67 | ||
| − | + | sqlexec(nStatHand,"insert into dbo.doc1 (account_no,lastname,balance) VALUES ('&m_accno','&m_lastname',&m_balance)") | |
| − | + | messagebox("Record inserted") | |
| − | if | + | nRet = sqlexec(nStatHand,"select * from dbo.doc1","mycursor") |
| + | if nRet = -1 | ||
messagebox(sqlerror(nstatHand)) | messagebox(sqlerror(nstatHand)) | ||
else | else | ||
| Line 43: | Line 44: | ||
list | list | ||
endif | endif | ||
| − | + | // Using prepared statement | |
| + | sqlprepare(nStatHand,"select * from dbo.doc1 where account_no = ?m_accno","mycursor") | ||
| + | nRet = sqlexec(nStatHand) | ||
| + | if nRet < 1 | ||
| + | messagebox(sqlerror(nstatHand)) | ||
| + | else | ||
| + | messagebox("Record selected using prepared statement") | ||
| + | list | ||
| + | endif | ||
| + | sqldisconnect(nStatHand) | ||
endif | endif | ||
</code> | </code> | ||
Revision as of 09:54, 7 January 2013
Purpose
Function to return the error message for the last remote data connection error
Syntax
SQLERROR(<nStatementHandle>)
See Also
SQLCANCEL(), SQLCOLUMNS(), SQLCOMMIT(), SQLCONNECT(), SQLDISCONNECT(), SQLEXEC(), SQLGETPROP(), SQLMORERESULTS(), SQLPREPARE(), SQLROLLBACK(), SQLSETPROP(), SQLSTRINGCONNECT(), SQLTABLES()
Description
The SQLERROR() function is used to return the error message for the last remote data connection error.
The SQLERROR() function operates on the data source specified by <nStatementHandle>, which must be an active remote data connection handle.
| Keywords | Description |
|---|---|
| nStatementHandle | The workarea in which the gateway data source is open. |
Return values:
The SQLERROR() function returns a character string containing the descriptive message for the last error.
Example
nStatHand=sqlconnect("awhr") if nStatHand < 1 messagebox("Cannot make connection", 16, "SQL Connect Error") else messagebox("Connection made", 48, "SQL Connect Message") sqlexec(nStatHand,"create table doc1 (account_no char(5), lastname char(25), balance dec(10,2))") messagebox("Table created") m_accno = "00699" m_lastname = "Smith" m_balance = 12345.67 sqlexec(nStatHand,"insert into dbo.doc1 (account_no,lastname,balance) VALUES ('&m_accno','&m_lastname',&m_balance)") messagebox("Record inserted") nRet = sqlexec(nStatHand,"select * from dbo.doc1","mycursor") if nRet = -1 messagebox(sqlerror(nstatHand)) else messagebox("Record selected") list endif // Using prepared statement sqlprepare(nStatHand,"select * from dbo.doc1 where account_no = ?m_accno","mycursor") nRet = sqlexec(nStatHand) if nRet < 1 messagebox(sqlerror(nstatHand)) else messagebox("Record selected using prepared statement") list endif sqldisconnect(nStatHand) endif
