fulltext: support CQL any operator; quote args

[adamdickmeiss]

No description provided.

[Copilot]

Pull request overview

Adds support for the CQL any relation in Postgres full-text search generation, and changes full-text term handling to build explicit to_tsquery(...) expressions with quoted lexemes (so query operators are not interpreted from user input).

Changes:

• Replace prior fulltext query generation with to_tsquery(...) and construct tsquery strings using <->, &, and | operators depending on relation.
• Add support for ANY relation in fulltext mode.
• Update parsing and pgx integration tests to validate the new tsquery argument format and ANY behavior.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
pgcql/pg_field_string.go	Implements to_tsquery-based fulltext generation and adds ANY relation handling.
pgcql/pgcql_test.go	Updates parsing expectations for fulltext SQL/args and adds coverage for full any "a b".
pgcql/pgx_test.go	Adds runtime integration coverage for ANY fulltext queries against Postgres.

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated no new comments.

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