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Add UNIQUE constraints on db

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This commit is contained in:
Lucas Verney 2016-04-06 01:31:29 +02:00
parent 43078b9f9e
commit aafaa8648f
1 changed files with 3 additions and 2 deletions
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5
src/main.c
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@ -292,7 +292,7 @@ int main(int argc, char** argv) {
amplitude REAL, \
frequency REAL, \
attack REAL, \
filename TEXT)",
filename TEXT UNIQUE)",
NULL, NULL, NULL);
if (SQLITE_OK != dberr) {
fprintf(stderr, "Error creating db: %s.\n", sqlite3_errmsg(dbh));
@ -304,7 +304,8 @@ int main(int argc, char** argv) {
song2 INTEGER, \
distance REAL, \
FOREIGN KEY(song1) REFERENCES songs(id) ON DELETE CASCADE, \
FOREIGN KEY(song2) REFERENCES songs(id) ON DELETE CASCADE)",
FOREIGN KEY(song2) REFERENCES songs(id) ON DELETE CASCADE, \
UNIQUE (song1, song2))",
NULL, NULL, NULL);
if (SQLITE_OK != dberr) {
fprintf(stderr, "Error creating db: %s.\n", sqlite3_errmsg(dbh));