fix: share PostgreSQL column key and storage parameter parsing

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -13852,7 +13852,7 @@ Index.ColumnParams IndexColumnWithParams(): {
                 && getToken(1).kind != K_NULLS && getToken(1).kind != K_COLLATE
                 && getToken(1).kind != K_WITH && getToken(1).kind != K_WITHOUT) })
         operatorClass=IndexKeyAttributeName()
-        [ LOOKAHEAD(2) operatorClassParameters=PostgreSqlIndexOptions() ]
+        [ LOOKAHEAD(2) operatorClassParameters=PostgreSqlOptions(false) ]
         {
             if (!postgres) {
                 columnParams.add(operatorClass);
@@ -13906,15 +13906,23 @@ String IndexKeyAttributeName():
     { return name; }
 }
 
-Index.Option PostgreSqlIndexOption():
+Index.Option PostgreSqlIndexOption(boolean allowBare):
 {
     String name = null;
     Expression value = null;
     boolean useEquals = false;
 }
 {
-    name=PostgreSqlStorageParameterName() [ "=" { useEquals = true; } ] value=Expression()
-    { return new Index.Option(name, value, useEquals); }
+    name=PostgreSqlStorageParameterName()
+    [ [ "=" { useEquals = true; } ] value=Expression() ]
+    {
+        requireDdlSyntax(allowBare || value != null,
+                "Operator-class parameters require a value");
+        requireDdlSyntax(value == null || useEquals
+                || !Dialect.POSTGRESQL.name().equals(getAsString(Feature.dialect)),
+                "PostgreSQL parameter values require an equals sign");
+        return new Index.Option(name, value, useEquals);
+    }
 }
 
 /** Storage parameters can have namespaces, such as toast.autovacuum_enabled. */
@@ -13926,14 +13934,19 @@ String PostgreSqlStorageParameterName():
     { return name; }
 }
 
+/** Storage parameters allow a bare name; operator-class parameters require a value. */
 List<Index.Option> PostgreSqlIndexOptions():
+{ List<Index.Option> options; }
+{ options=PostgreSqlOptions(true) { return options; } }
+
+List<Index.Option> PostgreSqlOptions(boolean allowBare):
 {
     List<Index.Option> options = new ArrayList<Index.Option>();
     Index.Option option = null;
 }
 {
-    "(" option=PostgreSqlIndexOption() { options.add(option); }
-    ( "," option=PostgreSqlIndexOption() { options.add(option); } )* ")"
+    "(" option=PostgreSqlIndexOption(allowBare) { options.add(option); }
+    ( "," option=PostgreSqlIndexOption(allowBare) { options.add(option); } )* ")"
     { return options; }
 }
 
@@ -14277,6 +14290,7 @@ NamedConstraint ColumnKeyConstraint():
             constraint.setNullsDistinct(nullsDistinct == null ? true : nullsDistinct);
         } ]
     )
+    PostgreSqlIndexStorageOptions(constraint)
     PostgreSqlConstraintAttributes(constraint)
     {
         requireDdlSyntax(constraint.getConstraintAttributes() == null
@@ -14933,11 +14947,19 @@ void TableIndexOptions(boolean createContext, List<String> options):
 void PostgreSqlConstraintOptions(Index index):
 {
     List<String> columns;
+}
+{
+    [ <K_INCLUDE> columns=ColumnsNamesList() { index.setIncludeColumns(columns); } ]
+    PostgreSqlIndexStorageOptions(index)
+}
+
+/** Column keys share storage/tablespace options, but do not allow INCLUDE. */
+void PostgreSqlIndexStorageOptions(Index index):
+{
     List<Index.Option> parameters;
     String tableSpace;
 }
 {
-    [ <K_INCLUDE> columns=ColumnsNamesList() { index.setIncludeColumns(columns); } ]
     [ LOOKAHEAD(2) <K_WITH> parameters=PostgreSqlIndexOptions() { index.setStorageParameters(parameters); } ]
     [ LOOKAHEAD(3) <K_USING> <K_INDEX> <K_TABLESPACE> tableSpace=RelObjectName() {
         index.setTableSpace(tableSpace);

src/test/java/net/sf/jsqlparser/statement/create/PostgreSqlColumnIndexOptionsTest.java

@@ -0,0 +1,114 @@
+/*-
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2026 JSQLParser
+ * %%
+ * Dual licensed under GNU LGPL 2.1 or Apache License 2.0
+ * #L%
+ */
+package net.sf.jsqlparser.statement.create;
+
+import static org.junit.jupiter.api.Assertions.*;
+import java.util.List;
+import net.sf.jsqlparser.JSQLParserException;
+import net.sf.jsqlparser.expression.LongValue;
+import net.sf.jsqlparser.parser.AbstractJSqlParser.Dialect;
+import net.sf.jsqlparser.parser.CCJSqlParserUtil;
+import net.sf.jsqlparser.statement.Statement;
+import net.sf.jsqlparser.statement.alter.Alter;
+import net.sf.jsqlparser.statement.create.index.CreateIndex;
+import net.sf.jsqlparser.statement.create.table.ColumnDefinition;
+import net.sf.jsqlparser.statement.create.table.ColumnOption;
+import net.sf.jsqlparser.statement.create.table.CreateTable;
+import net.sf.jsqlparser.statement.create.table.Index;
+import net.sf.jsqlparser.util.deparser.StatementDeParser;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+class PostgreSqlColumnIndexOptionsTest {
+    @ParameterizedTest
+    @ValueSource(strings = {"PRIMARY KEY", "UNIQUE", "UNIQUE NULLS NOT DISTINCT"})
+    void columnStorageAndTablespaceStayOnTheConstraint(String kind) throws JSQLParserException {
+        for (boolean alter : new boolean[] {false, true}) {
+            String prefix = alter ? "ALTER TABLE t ADD COLUMN " : "CREATE TABLE t (";
+            Statement statement = parse(prefix + "id INT CONSTRAINT uq " + kind
+                    + " WITH (fillfactor=70) USING INDEX TABLESPACE old_space DEFERRABLE INITIALLY DEFERRED"
+                    + (alter ? "" : ")"));
+            ColumnDefinition column = alter
+                    ? ((Alter) statement).getAlterExpressions().get(0).getColDataTypeList().get(0)
+                    : ((CreateTable) statement).getColumnDefinitions().get(0);
+            assertEquals(1, column.getColumnOptions().size());
+            ColumnOption option = column.getColumnOptions().get(0);
+            assertEquals(ColumnOption.Kind.CONSTRAINT, option.getKind());
+            Index key = option.getConstraint();
+            assertEquals("uq", key.getName());
+            assertEquals("old_space", key.getTableSpace());
+            assertEquals("70", key.getStorageParameters().get(0).getValue().toString());
+            assertNotNull(key.getConstraintAttributes());
+            key.setStorageParameters(
+                    List.of(new Index.Option("fillfactor", new LongValue(80), true)));
+            key.setTableSpace("new_space");
+            String sql = statement.toString();
+            assertTrue(sql.contains("WITH (fillfactor = 80) USING INDEX TABLESPACE new_space"));
+            assertFalse(sql.contains("70"));
+            assertFalse(sql.contains("old_space"));
+            assertRoundTrip(statement);
+        }
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "CREATE TABLE t (id INT) WITH (autovacuum_enabled,toast.autovacuum_enabled=false)",
+            "CREATE TABLE t (id INT PRIMARY KEY WITH (deduplicate_items))",
+            "CREATE TABLE t (id INT, CONSTRAINT uq UNIQUE(id) WITH (deduplicate_items))",
+            "ALTER TABLE t ADD CONSTRAINT uq UNIQUE(id) WITH (deduplicate_items)",
+            "CREATE INDEX ix ON t(id) WITH (deduplicate_items)",
+            "CREATE INDEX ix ON t USING gin(tags) WITH (fastupdate)",
+            "CREATE MATERIALIZED VIEW mv WITH (autovacuum_enabled) AS SELECT * FROM t"})
+    void bareStorageOptionsRoundTrip(String sql) throws JSQLParserException {
+        assertRoundTrip(parse(sql));
+        assertEquals(2, CCJSqlParserUtil.parseStatements(sql + "; SELECT 1",
+                p -> p.withDialect(Dialect.POSTGRESQL)).size());
+    }
+
+    @Test
+    void bareOptionsCanBeAssignedAndCleared() throws JSQLParserException {
+        CreateIndex index = (CreateIndex) parse("CREATE INDEX ix ON t(id) WITH(deduplicate_items)");
+        Index.Option option = index.getStorageParameters().get(0);
+        assertNull(option.getValue());
+        assertFalse(option.isUseEquals());
+        option.setName("fillfactor");
+        option.setValue(new LongValue(80));
+        option.setUseEquals(true);
+        assertTrue(index.toString().contains("WITH (fillfactor = 80)"));
+        assertRoundTrip(index);
+        option.setName("deduplicate_items");
+        option.setValue(null);
+        assertTrue(index.toString().contains("WITH (deduplicate_items)"));
+        assertRoundTrip(index);
+    }
+
+    @Test
+    void columnIncludeAndIncompleteParametersAreRejected() {
+        for (String sql : new String[] {
+                "CREATE TABLE t(id INT UNIQUE INCLUDE(label),label TEXT)",
+                "CREATE TABLE t(id INT) WITH (fillfactor=)",
+                "CREATE TABLE t(id INT) WITH (fillfactor 70)",
+                "CREATE INDEX ix ON t(id int4_ops(deduplicate_items))"}) {
+            assertThrows(JSQLParserException.class, () -> parse(sql), sql);
+        }
+    }
+
+    private static Statement parse(String sql) throws JSQLParserException {
+        return CCJSqlParserUtil.parse(sql, p -> p.withDialect(Dialect.POSTGRESQL));
+    }
+
+    private static void assertRoundTrip(Statement statement) throws JSQLParserException {
+        StringBuilder sql = new StringBuilder();
+        statement.accept(new StatementDeParser(sql), null);
+        assertEquals(statement.toString(), sql.toString());
+        assertEquals(statement.toString(), parse(sql.toString()).toString());
+    }
+}