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* Add an operation `nix-store -q --size'.

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This commit is contained in:
Eelco Dolstra 2010-11-17 12:40:52 +00:00
parent 1db6259076
commit e60c962fb8
5 changed files with 40 additions and 10 deletions
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14
src/libstore/local-store.cc
View file

@ -88,6 +88,13 @@ void SQLiteStmt::bind(int value)
}
void SQLiteStmt::bind64(long long value)
{
if (sqlite3_bind_int64(stmt, curArg++, value) != SQLITE_OK)
throw SQLiteError(db, "binding argument");
}
void SQLiteStmt::bind()
{
if (sqlite3_bind_null(stmt, curArg++) != SQLITE_OK)
@ -340,7 +347,7 @@ void LocalStore::openDB(bool create)
stmtAddReference.create(db,
"insert or replace into Refs (referrer, reference) values (?, ?);");
stmtQueryPathInfo.create(db,
"select id, hash, registrationTime, deriver from ValidPaths where path = ?;");
"select id, hash, registrationTime, deriver, narSize from ValidPaths where path = ?;");
stmtQueryReferences.create(db,
"select path from Refs join ValidPaths on reference = id where referrer = ?;");
stmtQueryReferrers.create(db,
@ -449,7 +456,7 @@ unsigned long long LocalStore::addValidPath(const ValidPathInfo & info)
else
stmtRegisterValidPath.bind(); // null
if (info.narSize != 0)
stmtRegisterValidPath.bind(info.narSize);
stmtRegisterValidPath.bind64(info.narSize);
else
stmtRegisterValidPath.bind(); // null
if (sqlite3_step(stmtRegisterValidPath) != SQLITE_DONE)
@ -600,6 +607,9 @@ ValidPathInfo LocalStore::queryPathInfo(const Path & path)
s = (const char *) sqlite3_column_text(stmtQueryPathInfo, 3);
if (s) info.deriver = s;
/* Note that narSize = NULL yields 0. */
info.narSize = sqlite3_column_int64(stmtQueryPathInfo, 4);
/* Get the references. */
SQLiteStmtUse use2(stmtQueryReferences);

1
src/libstore/local-store.hh
View file

@ -70,6 +70,7 @@ struct SQLiteStmt
operator sqlite3_stmt * () { return stmt; }
void bind(const string & value);
void bind(int value);
void bind64(long long value);
void bind();
};