feat(sqlite): add support for legacy_alter_table flag

Closes: #481
xerial · Mar 11, 2023 · 26df15f · 26df15f
1 parent 12f2113
commit 26df15f
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diff --git a/src/main/java/org/sqlite/SQLiteConfig.java b/src/main/java/org/sqlite/SQLiteConfig.java
@@ -425,6 +425,7 @@ public enum Pragma {
                 "journal_size_limit",
                 "Limit the size of rollback-journal and WAL files left in the file-system after transactions or checkpoints",
                 null),
+        LEGACY_ALTER_TABLE("legacy_alter_table", "Use legacy alter table behavior", OnOff),
         LEGACY_FILE_FORMAT("legacy_file_format", "No-op", OnOff),
         LOCKING_MODE(
                 "locking_mode",
@@ -855,6 +856,19 @@ public void useLegacyFileFormat(boolean use) {
         set(Pragma.LEGACY_FILE_FORMAT, use);
     }
 
+    /**
+     * Sets the value of the legacy_alter_table flag. When this flag is on, the ALTER TABLE RENAME
+     * command (for changing the name of a table) works as it did in SQLite 3.24.0 (2018-06-04) and
+     * earlier.When the flag is off, using the ALTER TABLE RENAME command will mean that all
+     * references to the table anywhere in the schema will be converted to the new name.
+     *
+     * @param flag True to turn on legacy alter table behaviour; false to turn off.
+     * @see <a href="https://www.sqlite.org/pragma.html#pragma_legacy_alter_table</a>
+     */
+    public void setLegacyAlterTable(boolean flag) {
+        set(Pragma.LEGACY_ALTER_TABLE, flag);
+    }
+
     public enum LockingMode implements PragmaValue {
         NORMAL,
         EXCLUSIVE;

diff --git a/src/main/java/org/sqlite/SQLiteDataSource.java b/src/main/java/org/sqlite/SQLiteDataSource.java
@@ -294,6 +294,19 @@ public void setLegacyFileFormat(boolean use) {
         config.useLegacyFileFormat(use);
     }
 
+    /**
+     * Sets the value of the legacy_alter_table flag. When this flag is on, the ALTER TABLE RENAME
+     * command (for changing the name of a table) works as it did in SQLite 3.24.0 (2018-06-04) and
+     * earlier.When the flag is off, using the ALTER TABLE RENAME command will mean that all
+     * references to the table anywhere in the schema will be converted to the new name.
+     *
+     * @param flag True to turn on legacy alter table behaviour; false to turn off.
+     * @see <a href="https://www.sqlite.org/pragma.html#pragma_legacy_alter_table</a>
+     */
+    public void setLegacyAlterTable(boolean flag) {
+        config.setLegacyAlterTable(flag);
+    }
+
     /**
      * Sets the database connection locking-mode.
      *