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Parser Configuration

Applies to ✅ Open Source Edition   ✅ Express Edition   ✅ Professional Edition   ✅ Enterprise Edition

The SQL Parser API ships with a variety of settings that govern its behaviour. These settings include:

  • parseDialect: The parser input dialect. This dialect is used to decide what vendor specific grammar should be applied in case of ambiguities that cannot be resolved from the context.
  • parseIgnoreComments: Using this flag, the parser can ignore certain sections that would otherwise be executed by RDBMS. Everything between an parseIgnoreCommentStart and the parseIgnoreCommentStop token will be ignored.
  • parseIgnoreCommentStart: The token that delimits the beginning of a section to be ignored by jOOQ. Ideally, this token is placed inside of a SQL comment.
  • parseIgnoreCommentStop: The token that delimits the end of a section to be ignored by jOOQ. Ideally, this token is placed inside of a SQL comment.
  • parseSearchPath: The search path to look up unqualified identifiers to be used when using parseWithMetaLookups. Most dialects support a single schema on their search path (the CURRENT_SCHEMA). PostgreSQL supports a 'search_path', which allows for listing multiple schemata to use to look up unqualified tables, procedures, etc. in.
  • parseUnsupportedSyntax: The parser can parse some syntax that jOOQ does not support. By default, such syntax is ignored. Use this flag if you want to fail in such cases.
  • parseUnknownFunctions: The parser only parses "known" (to jOOQ) built in functions, and fails otherwise. This flag allows for parsing any built in function using a standard func_name(arg1, arg2, ...) syntax.
  • parseWithMetaLookups: Whether org.jooq.Meta should be used to look up meta information such as schemas, tables, columns, column types, etc.

An example of using the parseIgnoreComments feature:

-- What you execute
/* [jooq ignore start] */
/* [jooq ignore stop] */

/* [jooq ignore start] */ -- /* [jooq ignore stop] */ CREATE SCHEMA s2;
/* [jooq ignore start] */ -- /* [jooq ignore stop] */ SET SCHEMA s2;

-- What the jOOQ parser sees


/*                                                 */ CREATE SCHEMA s2;
/*                                                 */ SET SCHEMA s2;


Example configuration

Settings settings = new Settings()
    .withParseDialect(SQLSERVER)                         // Defaults to DEFAULT
    .withParseWithMetaLookups(THROW_ON_FAILURE)          // Defaults to OFF
        new ParseSearchSchemata().withSchema("PUBLIC"),
        new ParseSearchSchemata().withSchema("TEST"))
    .withParseUnsupportedSyntax(FAIL)                    // Defaults to IGNORE
    .withParseUnknownFunctions(IGNORE)                   // Defaults to FAIL
    .withParseIgnoreComments(true)                       // Defaults to false
    .withParseIgnoreCommentStart("<ignore>")             // Defaults to "[jooq ignore start]"
    .withParseIgnoreCommentStop("</ignore>")             // Defaults to "[jooq ignore stop]"


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