EdmiError edmiOpenDatabase(SdaiString location,
SdaiString databaseName,
SdaiString password);
Opens an existing EDMdatabase and attach the actual EDMdatabase to the EDMserver used by the caller. An EDMdatabase must be open before any access to the database is permitted. In a single-user system the EDMserver is embedded in the EDMinterface, in a multi-user system the EDMserver is running as a separate process on the same system or on another system than the caller. One EDMserver can handle only one single EDMdatabase at a time, i.e. the currently opened database must be closed before another one can be opened. This operation is protected with a password. This password is defined when the actual EDMdatabase is created.
Arguments
| Type | Name | Comment |
| SdaiString | location | Specifies the path to the directory where the database is located. The <location> must be specified as an absolute of the actual EDMserver. The <location> > argument can be specified with and without the directory delimiter character as the last character in the directory path. The directory delimiter character is '\' on the Windows platforms and '/' on the Unix platforms. |
| SdaiString | databaseName | Specifies the name of the EDMdatabase to open. EDMdatabase names are case sensitive on the UNIX platforms and case insensitive on the Windows platforms. |
| SdaiString | password | Specifies the password for the actual database. The password for the database is defined by the edmiCreateDatabase function. |
Return Value
Options
Example
EdmiError rstat;
SdaiSession sessionId;
. . .
if (rstat = edmiOpenDatabase ("/usr/EDM/databases/",
"Ship",
"hkd")) {
/* Error in operation */
printf("\nError: %s in edmiOpenDatabase \n",
edmiGetErrorText(rstat));
goto error;
}
sessionId = sdaiOpenSession();
if (! sessionId) {
/* Error in operation */
printf("\nError: %s in sdaiOpenSession\n",
edmiGetErrorText(rstat));
goto error;
}
. . .
See also
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