Results of 1 - 5 of about 5 for grammar (0.002 sec.)
- PEG Parser 12685
- New Starting with DuckDB 2.0, the PEG parser is the default parser. In earlier versions it was an experimental, opt-in feature enabled with enable_peg_parser() , which is no longer required or available. DuckDB uses a parser based on PEG (
...parsing expression grammars ). It replaces the parser front end derived from PostgreSQL that earlier versions used. The PEG parser enables better sug...gestions, improved error messages with precise source locations, and allows extensions to extend the grammar. The PEG grammar was first introduced in DuckDB 1.2 to power autocomplete in the command line client. DuckDB 1.5 shipped a...default. Switching parsers does not change the SQL dialect. DuckDB 2.0 replaced the parser implementation and rewrote its grammar, but the dialect itself and the rest of the query pipeline, including the binder, continue to operate on the same internal... - https://man.mtool.work/duckdb/2.0/sql/peg_parser.html
- Graph Queries 9174
- DuckDB supports graph queries via the DuckPGQ community extension , which implements the SQL/PGQ syntax from the SQL:2023 standard. Warning DuckPGQ is a community extension and is still under active development. It may not be available for
...ckPGQ INSTALL duckpgq FROM community; LOAD duckpgq; Starting with DuckDB 2.0, extensions that add new syntax hook into the grammar of the PEG parser , and you have to opt in to an extension's grammar explicitly. To enable the SQL/PGQ syntax of DuckPGQ (...e.g., CREATE PROPERTY GRAPH and GRAPH_TABLE ), run: SET active_grammar_extensions = ['duckpgq']; Creating a Property Graph A property graph consists of vertices (nodes) and edges (relationships... - https://man.mtool.work/duckdb/2.0/guides/sql_features/graph_queries.html
- DuckDB_% Metadata Functions 8640
- DuckDB offers a collection of table functions that provide metadata about the current database. These functions reside in the main schema and their names are prefixed with duckdb_ . The resultset returned by a duckdb_ table function may be
...function. Used to generate the documentation. VARCHAR[] New The extension_name column was introduced in DuckDB 2.0. duckdb_grammar_extensions New The duckdb_grammar_extensions() function was introduced in DuckDB 2.0. The duckdb_grammar_extensions() func...tion lists the extensions to the SQL grammar of the PEG parser that are currently registered, e.g., by extensions. Column Description Type name The name of the grammar...extension. VARCHAR description Human readable text that describes the grammar extension. VARCHAR duckdb_indexes The duckdb_indexes() function provides metadata about secondary indexes available in the... - https://man.mtool.work/duckdb/2.0/sql/meta/duckdb_table_functions.html
- What's New in the Docs for 2.0 7740
- This page tracks the documentation for the features introduced in DuckDB 2.0, organized around the themes of the DuckDB 2.0.0 release announcement . Each section links to the relevant documentation. DuckDB as a Server: Quack and CONNECT Sin
...DuckDB 2.0 introduced a PEG-based SQL parser that replaces the PostgreSQL-derived one and allows extensions to contribute grammar. PEG parser Legacy parser extension for switching back to the old parser Timezones, Calendars and Collations Without ICU D... - https://man.mtool.work/duckdb/2.0/whats_new_in_the_docs.html
- Configuration 7666
- DuckDB has a number of configuration options that can be used to change the behavior of the system. The configuration options can be set using either the SET statement or the PRAGMA statement . They can be reset to their original values usi
...le ZSTD compression, defaults to 4096. UBIGINT 4096 Local Configuration Options Name Description Type Default value active_grammar_extensions The grammar extensions used by the parser. VARCHAR[] [shell] current_dialect The SQL dialect used by the parser... - https://man.mtool.work/duckdb/2.0/configuration/overview.html
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