HEIDENHAIN TNC 640, User Manual, Page: 447 / 948

Programming Q Parameters | Accessing tables with SQL commands
10
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
447
SQL COMMIT
Example
11 SQL BIND Q881 "Tab_Example.Meas_No"
12 SQL BIND Q882 "Tab_Example.Meas_X"
13 SQL BIND Q883 "Tab_Example.Meas_Y"
14 SQL BIND Q884 "Tab_Example.Meas_Z"
. . .
20 SQL Q5 "SELECT Meas_no,Meas_X,Meas_Y, Meas_Z FROM
Tab_Example"
. . .
30 SQL FETCH Q1 HANDLE Q5 INDEX+Q2
. . .
40 SQL UPDATE Q1 HANDLE Q5 INDEX+Q2
. . .
50 SQL COMMIT Q1 HANDLE Q5
SQL COMMIT
simultaneously transfers all of the rows that have
been changed and added in a transaction back into the table. The
transaction is defined via the
HANDLE
to be specified. A lock that
was set with
SELECT...FOR UPDATE
is canceled.
The
HANDLE
(process) assigned with the instruction
SQL SELECT
becomes invalid.
Parameter No. for result
(return value for the
control):
0
successful transaction
1
successful transaction
Database: SQL access ID
: Define Q parameters
for the
HANDLE
(for identifying the transaction)