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Read-only open; document the SQL for constraints, scans, isolation and maintenance - #385
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…olation and admin (#383) - open_database/DatabaseFactory.open take read_only=True, Database.is_read_only() - the bindings are DSL-first, so property constraints, type scans, BEGIN ISOLATION, BACKUP/CHECK DATABASE and REBUILD/COMPACT INDEX are documented as SQL, each run by a test - fix the 'read committed only' text in api/transactions.md - java-api-coverage.md: sqlscript, AsyncExecutor.scan_type, get_index_by_name, get_or_create_property, get_vector_index Refs #383 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Closes #383.
Following the bindings' DSL-first design (
docs/api-access-methods.md), Python API is added only for what no statement can express, and the rest is documented as SQL with tests.open_database(path, read_only=True),DatabaseFactory.open(read_only=True)(ComponentFile.MODE.READ_ONLY) andDatabase.is_read_only(); a write, a schema change or a transaction begin raisesArcadeDBError.BEGIN ISOLATION READ_COMMITTED|REPEATABLE_READ), now documented inapi/transactions.md, whose "read committed only" text is corrected.api/database.md,api/schema.md,guide/core/database.md): property constraints (CREATE PROPERTY ... (mandatory, notnull, readonly, min, max, regexp, default),ALTER PROPERTY), polymorphic scans (SELECT FROM <type>),CHECK DATABASE [FIX],REBUILD INDEX,BACKUP DATABASE(a file name underarcadedb.server.backupDirectory, set with-Dinjvm_args).java-api-coverage.md: a SQL mapping table,sqlscript,AsyncExecutor.scan_type, the schema methods it missed, and the DSL as the recommended path.test_open_read_only.py(reads work, writes and schema changes refused) andtest_sql_constraints_and_maintenance.py(each constraint,ALTER PROPERTY, subtypes in a scan, READ_COMMITTED against REPEATABLE_READ in a two-thread case,CHECK DATABASE,REBUILD INDEX, a backup that unzips and opens).Checked locally against the 26.10.2 engine: the new tests and the related database and transaction tests (22 passed), the
-Darcadedb.server.backupDirectoryform in a fresh process, pre-commit on the changed files, the strict docs build.🤖 Generated with Claude Code