static int dbInsert(tableInfo *tbl, insertArgs *args, response *res, error *err) {
char *columnName = args->columnName;
printf("Inserting into column '%s'...\n", columnName);
column *col = (column *) malloc(sizeof(column));
if (col == NULL) {
ERROR(err, E_NOMEM);
goto exit;
}
if (columnReadFromDisk(tbl, columnName, col, err)) {
free(col);
goto exit;
}
// columnPrint(col, "read column from disk in dbInsert");
if (columnInsert(col, args->value, err)) {
goto cleanupColumn;
}
printf("Inserted into column '%s'\n", columnName);
RESPONSE_SUCCESS(res);
columnDestroy(col);
return 0;
cleanupColumn:
columnDestroy(col);
exit:
return 1;
}
// insert a number of columns for a commit at a location
void columnInsert(int key, int index)
{
int temp;
if (index == 9)
columns[9] = key;
else {
temp = columns[index];
columns[index] = key;
columnInsert(temp, index+1);
}
}
void printGraph(char *commits[], int numcommits)
{ // please pretend this isn't hideous!
memset(columns, -1, 10*sizeof(int));
node *commit, *tempone, *temptwo, *childptr;
char smallHash[6];
char *p = printBuffer;
char line[200];
int i, j, parents, children, numbranches;
// handle root first
memset(line, '\0', 100*sizeof(char));
commit = getNode(commits[0]);
getFirstSix(commit->commitHash, smallHash);
columnInsert(commit->key, 0);
asciiCommit(1, 0, line);
strcat(line, smallHash);
printf("%s\n", line);
numbranches = 1;
childptr = commit->children[0];
columns[0] = childptr->key;
for (i = 1; i < commit->numchildren; i++) {
columnInsert((commit->children[i])->key, i);
printf("yikes!\n");
}
int numpar, numchild, index1, index2;
// the rest of the commits!
for (i = 1; i < numcommits; i++) {
memset(line, '\0', 100*sizeof(char));
commit = getNode(commits[i]);
getFirstSix(commit->commitHash, smallHash);
numpar = commit->numparents;
numchild = commit->numchildren;
/* MERGING */
if (numpar > 1) {
for (j = 1; j < numpar; j++) {
tempone = commit->parents[j-1];
index1 = findColumn(commit->commitHash, 9);
temptwo = commit->parents[j];
index2 = findColumn(commit->commitHash, index1-1);
if (index1 < index2) {
asciiMerge(index1, index2, numbranches - index2, line);
columnDelete(index2);
}
else {
asciiMerge(index2, index1, numbranches - index1 -1, line);
columnDelete(index1);
}
numbranches--;
}
}
/* COMMIT LINE */
index1 = findColumn(commit->commitHash, 9);
asciiCommit(numbranches, index1, line);
strcat(line, smallHash);
strcat(line, "\n");
/* BRANCHING */
if (numchild == 1) { // don't branch
childptr = commit->children[0];
columns[index1] = childptr->key;
} else if (numchild == 0) {
} else { // need to branch
childptr = commit->children[0];
columns[index1] = childptr->key;
for (j = 1; j < numchild; j++) {
childptr = commit->children[j];
columnInsert(childptr->key, index1+j);
numbranches++;
}
asciiSplit(numchild, index1, line);
}
strcpy(p, line);
p += strlen(line);
}
printf("%s\n", printBuffer);
}