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Eliminate the need for sqlite3_table_column_metadata

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This is so that Zathura would compile without errors when enabling sqlite
support on systems that doesn't have sqlite compiled with
SQLITE_ENABLE_COLUMN_METADATA (which are the majority).

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>
This commit is contained in:
Marwan Tanager 2013-06-21 10:07:40 +02:00 committed by Sebastian Ramacher
parent b4f290d4f9
commit 4c795259fe
1 changed files with 42 additions and 7 deletions
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49
database-sqlite.c
View File

@ -15,6 +15,7 @@ G_DEFINE_TYPE_WITH_CODE(ZathuraSQLDatabase, zathura_sqldatabase, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE(ZATHURA_TYPE_DATABASE, zathura_database_interface_init)
G_IMPLEMENT_INTERFACE(GIRARA_TYPE_INPUT_HISTORY_IO, io_interface_init))
static bool check_column(sqlite3* session, const char* table, const char* col, bool* result);
static void sqlite_finalize(GObject* object);
static bool sqlite_add_bookmark(zathura_database_t* db, const char* file,
zathura_bookmark_t* bookmark);
@ -182,25 +183,30 @@ sqlite_db_init(ZathuraSQLDatabase* db, const char* path)
return;
}
const char* data_type = NULL;
if (sqlite3_table_column_metadata(session, NULL, "fileinfo", "pages_per_row", &data_type, NULL, NULL, NULL, NULL) != SQLITE_OK) {
bool res1, res2, ret1, ret2;
ret1 = check_column(session, "fileinfo", "pages_per_row", &res1);
if (ret1 == true && res1 == false) {
girara_debug("old database table layout detected; updating ...");
if (sqlite3_exec(session, SQL_FILEINFO_ALTER, NULL, 0, NULL) != SQLITE_OK) {
girara_warning("failed to update database table layout");
}
}
data_type = NULL;
if (sqlite3_table_column_metadata(session, NULL, "fileinfo", "first_page_column", &data_type, NULL, NULL, NULL, NULL) != SQLITE_OK) {
ret1 = check_column(session, "fileinfo", "first_page_column", &res1);
if (ret1 == true && res1 == false) {
girara_debug("old database table layout detected; updating ...");
if (sqlite3_exec(session, SQL_FILEINFO_ALTER2, NULL, 0, NULL) != SQLITE_OK) {
girara_warning("failed to update database table layout");
}
}
data_type = NULL;
if (sqlite3_table_column_metadata(session, NULL, "bookmarks", "hadj_ratio", &data_type, NULL, NULL, NULL, NULL) != SQLITE_OK &&
sqlite3_table_column_metadata(session, NULL, "bookmarks", "vadj_ratio", &data_type, NULL, NULL, NULL, NULL) != SQLITE_OK) {
ret1 = check_column(session, "bookmarks", "hadj_ratio", &res1);
ret2 = check_column(session, "bookmarks", "vadj_ratio", &res2);
if (ret1 == true && ret2 == true && res1 == false && res2 == false) {
girara_debug("old database table layout detected; updating ...");
if (sqlite3_exec(session, SQL_BOOKMARK_ALTER, NULL, 0, NULL) != SQLITE_OK) {
girara_warning("failed to update database table layout");
@ -249,6 +255,35 @@ prepare_statement(sqlite3* session, const char* statement)
return pp_stmt;
}
static bool
check_column(sqlite3* session, const char* table, const char* col, bool* res)
{
char* query = g_strdup_printf("PRAGMA table_info(%s);", table);
sqlite3_stmt* stmt = prepare_statement(session, query);
if (stmt == NULL) {
return false;
}
*res = false;
while (sqlite3_step(stmt) == SQLITE_ROW) {
if (strcmp((const char*) sqlite3_column_text(stmt, 1), col) == 0) {
*res = true;
break;
}
}
if (*res == false) {
girara_debug("column %s in table %s is NOT found", col, table);
}
sqlite3_finalize(stmt);
g_free(query);
return true;
}
static bool
sqlite_add_bookmark(zathura_database_t* db, const char* file,
zathura_bookmark_t* bookmark)