Use transaction for database migration
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97647f9b52
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@ -38,6 +38,11 @@ public class Database {
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}
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private void start_migration() {
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try {
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exec("BEGIN TRANSACTION");
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} catch (Error e) {
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error("SQLite error: %d - %s", db.errcode(), db.errmsg());
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}
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meta_table.create_table_at_version(expected_version);
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long old_version = 0;
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old_version = meta_table.row_with(meta_name, "version")[meta_int_val, -1];
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@ -66,6 +71,11 @@ public class Database {
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foreach (Table t in tables) {
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t.post();
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}
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try {
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exec("END TRANSACTION");
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} catch (Error e) {
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error("SQLite error: %d - %s", db.errcode(), db.errmsg());
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}
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}
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internal int errcode() {
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@ -48,7 +48,7 @@ public class Table {
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try {
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db.exec(@"INSERT INTO _fts_$name(_fts_$name) VALUES('rebuild');");
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} catch (Error e) {
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error(@"Qlite Error: Rebuilding FTS index: $(e.message)");
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critical(@"Qlite Error: Rebuilding FTS index: $(e.message)");
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}
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}
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@ -171,7 +171,7 @@ public class Table {
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try {
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db.exec(@"ALTER TABLE $name ADD COLUMN $(c.to_column_definition())");
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} catch (Error e) {
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error(@"Qlite Error: Add columns for version: $(e.message)");
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critical(@"Qlite Error: Add columns for version: $(e.message)");
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}
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}
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}
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