forked from cory/tildefriends
		
	Change blob_wants from a table to a view. We can discover the information pretty fast, so let's not store extra data.
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4125 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
		
							
								
								
									
										77
									
								
								src/ssb.db.c
									
									
									
									
									
								
							
							
						
						
									
										77
									
								
								src/ssb.db.c
									
									
									
									
									
								
							@@ -79,10 +79,7 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
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		"  content BLOB,"
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		"  created INTEGER"
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		")");
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	_tf_ssb_db_exec(db,
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		"CREATE TABLE IF NOT EXISTS blob_wants ("
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		"  id TEXT PRIMARY KEY"
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		")");
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	_tf_ssb_db_exec(db,"DROP TABLE IF EXISTS blob_wants");
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	_tf_ssb_db_exec(db,
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		"CREATE TABLE IF NOT EXISTS properties ("
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		"  id TEXT,"
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@@ -165,6 +162,13 @@ void tf_ssb_db_init(tf_ssb_t* ssb)
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	_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS messages_refs_message_idx ON messages_refs (message)");
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	_tf_ssb_db_exec(db, "CREATE INDEX IF NOT EXISTS messages_refs_ref_idx ON messages_refs (ref)");
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	_tf_ssb_db_exec(db,
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		"CREATE VIEW IF NOT EXISTS blob_wants_view (id) AS "
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		"  SELECT messages_refs.ref AS id "
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		"  FROM messages_refs "
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		"  LEFT OUTER JOIN blobs ON messages_refs.ref = blobs.id "
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		"  WHERE messages_refs.ref LIKE '&____________________________________________.sha256' "
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		"    AND blobs.id IS NULL");
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	bool need_add_sequence_before_author = true;
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	bool need_convert_timestamp_to_real = false;
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@@ -301,31 +305,32 @@ bool tf_ssb_db_store_message(tf_ssb_t* ssb, JSContext* context, const char* id,
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		printf("Previous message doesn't exist.\n");
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	}
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	if (last_row_id != -1)
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	{
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		const char* query = "INSERT INTO blob_wants (id) SELECT DISTINCT json.value FROM messages, json_tree(messages.content) AS json LEFT OUTER JOIN blobs ON json.value = blobs.id WHERE messages.rowid = ?1 AND json.value LIKE '&%%.sha256' AND length(json.value) = ?2 AND blobs.content IS NULL ON CONFLICT DO NOTHING RETURNING id";
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		if (sqlite3_prepare(db, query, -1, &statement, NULL) == SQLITE_OK)
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		{
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			if (sqlite3_bind_int64(statement, 1, last_row_id) == SQLITE_OK &&
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				sqlite3_bind_int(statement, 2, k_blob_id_len - 1) == SQLITE_OK)
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			{
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				int r = SQLITE_OK;
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				while ((r = sqlite3_step(statement)) == SQLITE_ROW)
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				{
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					tf_ssb_notify_blob_want_added(ssb, (const char*)sqlite3_column_text(statement, 0));
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				}
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				if (r != SQLITE_DONE)
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				{
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					printf("%s\n", sqlite3_errmsg(db));
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				}
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			}
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			sqlite3_finalize(statement);
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		}
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		else
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		{
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			printf("prepare failed: %s\n", sqlite3_errmsg(db));
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		}
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	}
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	 if (last_row_id != -1)
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	 {
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		 const char* query = "SELECT DISTINCT json.value FROM messages, json_tree(messages.content) AS json LEFT OUTER JOIN blobs ON json.value = blobs.id WHERE messages.rowid = ?1 AND json.value LIKE '&%%.sha256' AND length(json.value) = ?2 AND blobs.content IS NULL";
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		 if (sqlite3_prepare(db, query, -1, &statement, NULL) == SQLITE_OK)
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		 {
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			 if (sqlite3_bind_int64(statement, 1, last_row_id) == SQLITE_OK &&
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					 sqlite3_bind_int(statement, 2, k_blob_id_len - 1) == SQLITE_OK)
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			 {
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				 int r = SQLITE_OK;
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				 while ((r = sqlite3_step(statement)) == SQLITE_ROW)
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				 {
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					 tf_ssb_notify_blob_want_added(ssb, (const char*)sqlite3_column_text(statement, 0));
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				 }
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				 if (r != SQLITE_DONE)
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				 {
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					 printf("%s\n", sqlite3_errmsg(db));
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				 }
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			 }
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			 sqlite3_finalize(statement);
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		 }
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		 else
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		 {
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			 printf("prepare failed: %s\n", sqlite3_errmsg(db));
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		 }
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	 }
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	JS_FreeValue(context, previousval);
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	JS_FreeCString(context, author);
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@@ -455,18 +460,6 @@ bool tf_ssb_db_blob_store(tf_ssb_t* ssb, const uint8_t* blob, size_t size, char*
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		printf("blob stored %s %zd => %d\n", id, size, result);
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	}
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	if (result)
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	{
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		if (sqlite3_prepare(db, "DELETE FROM blob_wants WHERE id = ?1", -1, &statement, NULL) == SQLITE_OK)
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		{
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			if (sqlite3_bind_text(statement, 1, id, -1, NULL) == SQLITE_OK)
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			{
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				sqlite3_step(statement);
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			}
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			sqlite3_finalize(statement);
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		}
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	}
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	if (result && out_id)
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	{
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		snprintf(out_id, out_id_size, "%s", id);
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@@ -641,7 +634,7 @@ static int _tf_ssb_sqlite_authorizer(void* user_data, int action_code, const cha
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		break;
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	case SQLITE_READ:
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		result = (
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			strcmp(arg0, "blob_wants") == 0 ||
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			strcmp(arg0, "blob_wants_view") == 0 ||
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			strcmp(arg0, "json_each") == 0 ||
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			strcmp(arg0, "json_tree") == 0 ||
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			strcmp(arg0, "messages") == 0 ||
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@@ -136,7 +136,7 @@ static void _tf_ssb_rpc_request_more_blobs(tf_ssb_connection_t* connection)
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	tf_ssb_t* ssb = tf_ssb_connection_get_ssb(connection);
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	sqlite3* db = tf_ssb_get_db(ssb);
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	sqlite3_stmt* statement;
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	if (sqlite3_prepare(db, "SELECT id FROM blob_wants WHERE id > ? ORDER BY id LIMIT 32", -1, &statement, NULL) == SQLITE_OK)
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	if (sqlite3_prepare(db, "SELECT id FROM blob_wants_view WHERE id > ? ORDER BY id LIMIT 32", -1, &statement, NULL) == SQLITE_OK)
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	{
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		if (sqlite3_bind_text(statement, 1, blob_wants->last_id, -1, NULL) == SQLITE_OK)
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		{
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