Fix for #134, Column name with a # character. Patch by bradmesserle.

h2/src/docsrc/html/changelog.html

@@ -21,6 +21,8 @@ Change Log
 
 <h2>Next Version (unreleased)</h2>
 <ul>
+<li>Fix for #134, Column name with a # character. Patch by bradmesserle.
+</li>
 <li>In version 1.4.186, "order by" was broken in some cases
     due to the change "Make the planner use indexes for sorting when doing a GROUP BY".
     The change was reverted.

h2/src/main/org/h2/command/Parser.java

@@ -14,7 +14,6 @@ import java.nio.charset.Charset;
 import java.text.Collator;
 import java.util.ArrayList;
 import java.util.HashSet;
-
 import org.h2.api.ErrorCode;
 import org.h2.api.Trigger;
 import org.h2.command.ddl.AlterIndexRename;
@@ -3573,6 +3572,11 @@ public class Parser {
             case '_':
                 type = CHAR_NAME;
                 break;
+            case '#':
+                if (database.getMode().supportPoundSymbolForColumnNames) {
+                    type = CHAR_NAME;
+                    break;
+                }
             default:
                 if (c >= 'a' && c <= 'z') {
                     if (identifiersToUpper) {

h2/src/main/org/h2/engine/Mode.java

@@ -137,6 +137,11 @@ public class Mode {
      */
     public boolean onDuplicateKeyUpdate;
 
+    /**
+     * Support the # for column names
+     */
+    public boolean supportPoundSymbolForColumnNames;
+
     private final String name;
 
     static {
@@ -173,6 +178,7 @@ public class Mode {
         mode.uniqueIndexSingleNull = true;
         mode.allowPlusForStringConcat = true;
         mode.swapConvertFunctionParameters = true;
+        mode.supportPoundSymbolForColumnNames = true;
         add(mode);
 
         mode = new Mode("MySQL");
@@ -187,6 +193,7 @@ public class Mode {
         mode.convertOnlyToSmallerScale = true;
         mode.uniqueIndexSingleNullExceptAllColumnsAreNull = true;
         mode.treatEmptyStringsAsNull = true;
+        mode.supportPoundSymbolForColumnNames = true;
         add(mode);
 
         mode = new Mode("PostgreSQL");

h2/src/test/org/h2/test/db/TestCompatibilityOracle.java

@@ -34,6 +34,7 @@ public class TestCompatibilityOracle extends TestBase {
     public void test() throws Exception {
         testTreatEmptyStringsAsNull();
         testDecimalScale();
+        testPoundSymbolInColumnName();
     }
 
     private void testTreatEmptyStringsAsNull() throws SQLException {
@@ -121,6 +122,22 @@ public class TestCompatibilityOracle extends TestBase {
         conn.close();
     }
 
+    /**
+     * Test the # in a column name for oracle compatibility
+     */
+    private void testPoundSymbolInColumnName() throws SQLException {
+        deleteDb("oracle");
+        Connection conn = getConnection("oracle;MODE=Oracle");
+        Statement stat = conn.createStatement();
+
+        stat.execute("CREATE TABLE TEST(ID INT PRIMARY KEY, U##NAME VARCHAR(255))");
+        stat.execute("INSERT INTO TEST VALUES(1, 'Hello'), (2, 'HelloWorld'), (3, 'HelloWorldWorld')");
+
+        assertResult("1", stat, "SELECT ID FROM TEST where U##NAME ='Hello'");
+
+        conn.close();
+    }
+
     private void assertResult(Object[][] expectedRowsOfValues, Statement stat,
             String sql) throws SQLException {
         assertResult(newSimpleResultSet(expectedRowsOfValues), stat, sql);