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Expose shared column rename access for table and view actions by minleejae · Pull Request #2744 · JSQLParser/JSqlParser · GitHub
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Expose shared column rename access for table and view actions #2744

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manticore-projects merged 3 commits into from
Oct 11, 2026
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Expose shared column rename access for table and view actions #2744

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563332b
feat: expose shared column rename access for table and view actions
minleejae Oct 1, 2026
6306d45
docs: show shared column rename access
minleejae Oct 1, 2026
5cc52bb
Merge upstream/master into refactor/ddl-rename-actions-20261001
minleejae Oct 11, 2026
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docs: show shared column rename access 
Signed-off-by: minleejae <mmj9808@gmail.com>
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@minleejae
minleejae committed Oct 1, 2026
commit 6306d45b14675724d77cc59c7b36379cc457cb07
26 changes: 26 additions & 0 deletions src/site/sphinx/usage.rst
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Expand Up @@ -288,6 +288,32 @@ These named targets do not populate the legacy ``getPkColumns()`` list.
AlterExpression checkDrop = new AlterExpression()
.withOperation(AlterOperation.DROP_CHECK).withConstraintName("positive_id");

Edit table and view column renames
----------------------------------

``AlterExpression.getColumnRename()`` exposes a ``ColumnRenameAction`` with
``getSourceName()`` and ``getTargetName()``. Their setters update the existing
AST directly, preserving the optional ``COLUMN`` keyword. Names include their
written identifier quotes; include quotes in replacement names when needed.

.. code-block:: java

Alter alter = (Alter) CCJSqlParserUtil.parse(
"ALTER TABLE accounts RENAME COLUMN old_id TO new_id",
parser -> parser.withDialect(Dialect.MYSQL));
ColumnRenameAction rename = alter.getAlterExpressions().get(0).getColumnRename();
rename.getSourceName(); // old_id
rename.setTargetName("customer_id");
// ALTER TABLE accounts RENAME COLUMN old_id TO customer_id
String sql = alter.toString();

Import ``ColumnRenameAction`` from ``net.sf.jsqlparser.statement.alter``.
PostgreSQL table renames of columns use the same API. With ``Dialect.POSTGRESQL``,
column renames on views and materialized views expose it through the entries in
``AlterRelation.getActions()``. The lookup returns ``null`` for other operations,
including renaming the table, view, index or constraint itself. Existing
action-specific getters and setters remain available and see the same changes.

Inspect PostgreSQL schema statements
------------------------------------

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