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Update 06-40-0004 -- Add Bookmark support!

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This commit is contained in:
Byron Nikolaidis
1999-01-08 18:24:45 +00:00
parent 97b88f1c15
commit 0b644ad332
9 changed files with 187 additions and 61 deletions
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95
src/interfaces/odbc/results.c
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@@ -610,7 +610,7 @@ int num_cols, num_rows;
Int4 field_type;
void *value;
int result;
char get_bookmark = FALSE;
mylog("SQLGetData: enter, stmt=%u\n", stmt);
@@ -635,23 +635,40 @@ mylog("SQLGetData: enter, stmt=%u\n", stmt);
}
if (icol == 0) {
stmt->errormsg = "Bookmarks are not currently supported.";
stmt->errornumber = STMT_NOT_IMPLEMENTED_ERROR;
SC_log_error(func, "", stmt);
return SQL_ERROR;
if (stmt->options.use_bookmarks == SQL_UB_OFF) {
stmt->errornumber = STMT_COLNUM_ERROR;
stmt->errormsg = "Attempt to retrieve bookmark with bookmark usage disabled";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
/* Make sure it is the bookmark data type */
if (fCType != SQL_C_BOOKMARK) {
stmt->errormsg = "Column 0 is not of type SQL_C_BOOKMARK";
stmt->errornumber = STMT_PROGRAM_TYPE_OUT_OF_RANGE;
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
get_bookmark = TRUE;
}
// use zero-based column numbers
icol--;
else {
// make sure the column number is valid
num_cols = QR_NumResultCols(res);
if (icol >= num_cols) {
stmt->errormsg = "Invalid column number.";
stmt->errornumber = STMT_INVALID_COLUMN_NUMBER_ERROR;
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
// use zero-based column numbers
icol--;
// make sure the column number is valid
num_cols = QR_NumResultCols(res);
if (icol >= num_cols) {
stmt->errormsg = "Invalid column number.";
stmt->errornumber = STMT_INVALID_COLUMN_NUMBER_ERROR;
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
}
if ( stmt->manual_result || ! globals.use_declarefetch) {
// make sure we're positioned on a valid row
@@ -664,13 +681,16 @@ mylog("SQLGetData: enter, stmt=%u\n", stmt);
return SQL_ERROR;
}
mylog(" num_rows = %d\n", num_rows);
if ( stmt->manual_result) {
value = QR_get_value_manual(res, stmt->currTuple, icol);
if ( ! get_bookmark) {
if ( stmt->manual_result) {
value = QR_get_value_manual(res, stmt->currTuple, icol);
}
else {
value = QR_get_value_backend_row(res, stmt->currTuple, icol);
}
mylog(" value = '%s'\n", value);
}
else {
value = QR_get_value_backend_row(res, stmt->currTuple, icol);
}
mylog(" value = '%s'\n", value);
}
else { /* its a SOCKET result (backend data) */
if (stmt->currTuple == -1 || ! res || ! res->tupleField) {
@@ -680,11 +700,21 @@ mylog("SQLGetData: enter, stmt=%u\n", stmt);
return SQL_ERROR;
}
value = QR_get_value_backend(res, icol);
if ( ! get_bookmark)
value = QR_get_value_backend(res, icol);
mylog(" socket: value = '%s'\n", value);
}
if ( get_bookmark) {
*((UDWORD *) rgbValue) = SC_get_bookmark(stmt);
if (pcbValue)
*pcbValue = 4;
return SQL_SUCCESS;
}
field_type = QR_get_field_type(res, icol);
mylog("**** SQLGetData: icol = %d, fCType = %d, field_type = %d, value = '%s'\n", icol, fCType, field_type, value);
@@ -761,6 +791,14 @@ mylog("SQLFetch: stmt = %u, stmt->result= %u\n", stmt, stmt->result);
return SQL_ERROR;
}
/* Not allowed to bind a bookmark column when using SQLFetch. */
if ( stmt->bookmark.buffer) {
stmt->errornumber = STMT_COLNUM_ERROR;
stmt->errormsg = "Not allowed to bind a bookmark column when using SQLFetch";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
if (stmt->status == STMT_EXECUTING) {
stmt->errormsg = "Can't fetch while statement is still executing.";
stmt->errornumber = STMT_SEQUENCE_ERROR;
@@ -831,6 +869,14 @@ mylog("SQLExtendedFetch: stmt=%u\n", stmt);
return SQL_ERROR;
}
/* If a bookmark colunmn is bound but bookmark usage is off, then error */
if (stmt->bookmark.buffer && stmt->options.use_bookmarks == SQL_UB_OFF) {
stmt->errornumber = STMT_COLNUM_ERROR;
stmt->errormsg = "Attempt to retrieve bookmark with bookmark usage disabled";
SC_log_error(func, "", stmt);
return SQL_ERROR;
}
if (stmt->status == STMT_EXECUTING) {
stmt->errormsg = "Can't fetch while statement is still executing.";
stmt->errornumber = STMT_SEQUENCE_ERROR;
@@ -950,6 +996,11 @@ mylog("SQLExtendedFetch: stmt=%u\n", stmt);
break;
case SQL_FETCH_BOOKMARK:
stmt->rowset_start = irow - 1;
break;
default:
SC_log_error(func, "Unsupported SQLExtendedFetch Direction", stmt);
return SQL_ERROR;