Add foreign key / unique constraints.

paragonie · Oct 18, 2018 · 080f251 · 080f251
1 parent 1541778
commit 080f251
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Showing 6 changed files with 18 additions and 6 deletions.
diff --git a/sql/mysql/00-local.sql b/sql/mysql/00-local.sql
@@ -19,7 +19,9 @@ CREATE TABLE chronicle_chain (
   summaryhash TEXT,
   publickey TEXT,
   signature TEXT,
-  created DATETIME
+  created DATETIME,
+  FOREIGN KEY (currhash) REFERENCES chronicle_chain(prevhash),
+  UNIQUE(prevhash)
 );
 
 CREATE INDEX chronicle_chain_prevhash_idx ON chronicle_chain(prevhash);

diff --git a/sql/mysql/01-remote.sql b/sql/mysql/01-remote.sql
@@ -27,7 +27,9 @@ CREATE TABLE chronicle_replication_chain (
   publickey TEXT,
   signature TEXT,
   created TIMESTAMP,
-  replicated TIMESTAMP
+  replicated TIMESTAMP,
+  FOREIGN KEY (currhash) REFERENCES chronicle_replication_chain(prevhash),
+  UNIQUE(source, prevhash)
 );
 
 CREATE INDEX chronicle_replication_chain_prevhash_idx ON chronicle_replication_chain(source, prevhash);

diff --git a/sql/pgsql/00-local.sql b/sql/pgsql/00-local.sql
@@ -19,7 +19,9 @@ CREATE TABLE chronicle_chain (
   summaryhash TEXT,
   publickey TEXT,
   signature TEXT,
-  created TIMESTAMP
+  created TIMESTAMP,
+  FOREIGN KEY (currhash) REFERENCES chronicle_chain(prevhash),
+  UNIQUE(prevhash)
 );
 
 CREATE INDEX chronicle_chain_prevhash_idx ON chronicle_chain(prevhash);

diff --git a/sql/pgsql/01-remote.sql b/sql/pgsql/01-remote.sql
@@ -27,7 +27,9 @@ CREATE TABLE chronicle_replication_chain (
   publickey TEXT,
   signature TEXT,
   created TIMESTAMP,
-  replicated TIMESTAMP
+  replicated TIMESTAMP,
+  FOREIGN KEY (currhash) REFERENCES chronicle_replication_chain(prevhash),
+  UNIQUE(source, prevhash)
 );
 
 CREATE INDEX chronicle_replication_chain_prevhash_idx ON chronicle_replication_chain(source, prevhash);

diff --git a/sql/sqlite/00-local.sql b/sql/sqlite/00-local.sql
@@ -19,7 +19,9 @@ CREATE TABLE chronicle_chain (
   summaryhash TEXT,
   publickey TEXT,
   signature TEXT,
-  created TEXT
+  created TEXT,
+  FOREIGN KEY (currhash) REFERENCES chronicle_chain(prevhash),
+  UNIQUE(prevhash)
 );
 
 CREATE INDEX chronicle_chain_prevhash_idx ON chronicle_chain(prevhash);

diff --git a/sql/sqlite/01-remote.sql b/sql/sqlite/01-remote.sql
@@ -27,7 +27,9 @@ CREATE TABLE chronicle_replication_chain (
   publickey TEXT,
   signature TEXT,
   created TEXT,
-  replicated TEXT
+  replicated TEXT,
+  FOREIGN KEY (currhash) REFERENCES chronicle_replication_chain(prevhash),
+  UNIQUE(source, prevhash)
 );
 
 CREATE INDEX chronicle_replication_chain_prevhash_idx ON chronicle_replication_chain(source, prevhash);