Difference between revisions of "SQLERROR()"

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The SQLERROR() function operates on the data source specified by <nStatementHandle>, which must be an active remote data connection handle.
 
The SQLERROR() function operates on the data source specified by <nStatementHandle>, which must be an active remote data connection handle.
  
{| class="wikitable"
+
{| class="wikitable" width=100%|
!Keywords||Description
+
!width=30%|Keywords||width=70%|Description
 
|-
 
|-
 
|nStatementHandle||The workarea in which the gateway data source is open.
 
|nStatementHandle||The workarea in which the gateway data source is open.
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==Example==
 
==Example==
 
<code lang="recital">
 
<code lang="recital">
nStatHand=SQLSTRINGCONNECT("rec@rec1:user1/pass1-/usr/recital/uas/data/southwind.tcpip",.T.)
+
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")
    store "00010" to myVar
+
SQLEXEC(nStatHand,"create table doc1 (ACCOUNT_NO char(5), lastname char(25), balance dec(10,2))")
    SQLEXEC(nStatHand, "SELECT * FROM example WHERE account_no = ?myVar", "restab")
+
messagebox("Table created")
    if used("restab")
+
m_accno =  "00699"
        browse
+
m_lastname = "Smith"
    else
+
m_balance = 12345.67
        messagebox(SQLERROR(nStatHand),16,"SQL Error")
+
SQLEXEC(nStatHand,"INSERT INTO dbo.doc1 (ACCOUNT_NO,lastname,balance) VALUES ('&m_accno','&m_lastname',&m_balance)")
    endif
+
nRET=SQLEXEC(nStatHand,"SELECT * from dbo.doc1","mycursor")
    SQLDISCONNECT(nStatHand)
+
if nRET = -1
 +
messagebox(sqlerror(nstatHand))
 +
else
 +
messagebox("Record selected")
 +
list
 +
endif
 +
SQLDISCONNECT(nStatHand)
 
endif
 
endif
 
</code>
 
</code>

Revision as of 09:40, 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)")
	nRET=SQLEXEC(nStatHand,"SELECT * from dbo.doc1","mycursor")
	if nRET = -1
		messagebox(sqlerror(nstatHand))
	else
		messagebox("Record selected")
		list
	endif
	SQLDISCONNECT(nStatHand)
endif

Products

Lianja, Lianja Server