feat(sql): quote identifiers to prevent reserved word conflicts #1874
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…d word conflicts
Add adapter-specific identifier quoting ($quoteIdentifier) for all 6 database adapters:
- MySQL: backticks (`name`)
- SQL Server: square brackets ([name])
- PostgreSQL, Oracle, SQLite: double-quotes ("name")
- H2: no-op (case-sensitive with quoted identifiers)
Quote table names in FROM, JOIN, DELETE, UPDATE, INSERT clauses and column names
in WHERE, SET, ORDER BY, INSERT column lists, and JOIN ON conditions. SELECT
clause only quotes table name prefixes (not column names) to maintain compatibility
with SQL Server's triple-subquery pagination.
Add $stripIdentifierQuotes helper for comparing rendered SQL containing mixed
quoting styles (used in MSSQL pagination and $identitySelect across all adapters).
Fix read.cfc empty-result regex to handle quoted table prefixes in column lists.
Update test expectations to be adapter-aware using qi() helper that delegates
to the current adapter's quoting character.
Closes #1856
Co-Authored-By: Claude Opus 4.6 <[email protected]>
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The examples/press directory was tracked as a gitlink (submodule) but had no corresponding .gitmodules entry, causing CI to fail with: "fatal: No url found for submodule path 'examples/press' in .gitmodules" Co-Authored-By: Claude Opus 4.6 <[email protected]>
Remove leading space from whereBaseLen formula. The result[2] from $whereClause is "quotedTable.quotedCol operator" without a leading space, so the expected length should be calculated without one. Co-Authored-By: Claude Opus 4.6 <[email protected]>
When the primary adapter uses identifier quoting that H2 doesn't support (SQL Server brackets, double quotes causing case-sensitivity), skip the cross-database datasource tests. These tests use H2 as a secondary datasource, but the SQL is built with the primary adapter's quoting syntax which H2 can't parse correctly. Only MySQL backtick quoting and H2's own no-op quoting are compatible. Co-Authored-By: Claude Opus 4.6 <[email protected]>
PostgreSQL folds unquoted identifiers to lowercase, so double-quoted identifiers must also be lowercase to match. Oracle folds unquoted identifiers to uppercase, so double-quoted identifiers must be uppercase. Without this fix, quoting mixed-case table/column names causes "relation not found" errors because the quoted name doesn't match the case stored in the database. Co-Authored-By: Claude Opus 4.6 <[email protected]>
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Summary
groups,order,key)Approach
Unlike PR #1856's reserved-word-list approach (260-line hardcoded struct, MySQL-only), this uses always-quote — the same approach used by Hibernate, Doctrine, ActiveRecord, and SQLAlchemy. Benefits:
Changes
New adapter methods:
Base.$quoteIdentifier(name)— no-op default, overridden per adapterBase.$stripIdentifierQuotes(str)— strips quoting chars when parsing rendered SQLMySQLModel.$quoteIdentifier()— wraps with backticksMicrosoftSQLServerModel.$quoteIdentifier()— wraps with bracketsPostgreSQLModel/OracleModel/H2Model/SQLiteModel.$quoteIdentifier()— wraps with double-quotesNew model helpers:
$quotedTableName()— returns table name wrapped in adapter-specific quotes$quoteColumn(column)— wraps a column name in adapter-specific quotesSQL generation updates:
sql.cfc— FROM, DELETE, JOIN, WHERE (key + soft-delete), ORDER BYcreate.cfc— INSERT INTO table and column namesupdate.cfc— UPDATE table and SET column namescalculations.cfc— aggregate SELECT column referencesread.cfc— pagination ORDER BY referencesIdentity select fixes:
$identitySelectimplementations now strip identifier quotes before comparing column listsTest plan
groups,order)Related
Supersedes the approach in #1856 — addresses the same use case (legacy databases with reserved-word identifiers) but implements it for all adapters with a simpler, more maintainable design.
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