fix(jdbc): getColumns doesn't correctly parse precision/scale with whitespace

Closes: #1215

Author: gotson

src/main/java/org/sqlite/jdbc3/JDBC3DatabaseMetaData.java

@@ -1057,10 +1057,10 @@ public ResultSet getColumns(String c, String s, String tblNamePattern, String co
                                 }
                                 // try to parse the values
                                 try {
-                                    int iInteger = Integer.parseUnsignedInt(sInteger);
+                                    int iInteger = Integer.parseUnsignedInt(sInteger.trim());
                                     // parse decimals?
                                     if (sDecimal != null) {
-                                        iDecimalDigits = Integer.parseUnsignedInt(sDecimal);
+                                        iDecimalDigits = Integer.parseUnsignedInt(sDecimal.trim());
                                         // columns size equals sum of integer and decimal part
                                         // of dimension
                                         iColumnSize = iInteger + iDecimalDigits;

src/test/java/org/sqlite/DBMetaDataTest.java

@@ -477,6 +477,24 @@ public void getColumns() throws SQLException {
         assertThat(rs.getString("COLUMN_NAME")).isEqualTo("sql");
     }
 
+    @Test
+    public void getColumnsPrecisionScale() throws SQLException {
+        stat.executeUpdate("create table gh_1215 (n numeric ( 10 , 5 ), d decimal ( 10 ))");
+
+        ResultSet rs = meta.getColumns(null, null, "gh_1215", "%");
+        assertThat(rs.next()).isTrue();
+        assertThat(rs.getString("COLUMN_NAME")).isEqualTo("n");
+        assertThat(rs.getString("TYPE_NAME")).isEqualTo("NUMERIC");
+        assertThat(rs.getString("COLUMN_SIZE")).isEqualTo("15");
+        assertThat(rs.getString("DECIMAL_DIGITS")).isEqualTo("5");
+        assertThat(rs.next()).isTrue();
+        assertThat(rs.getString("COLUMN_NAME")).isEqualTo("d");
+        assertThat(rs.getString("TYPE_NAME")).isEqualTo("DECIMAL");
+        assertThat(rs.getString("COLUMN_SIZE")).isEqualTo("10");
+        assertThat(rs.getString("DECIMAL_DIGITS")).isEqualTo("0");
+        assertThat(rs.next()).isFalse();
+    }
+
     @Test
     public void getColumnsIncludingGenerated() throws SQLException {
         stat.executeUpdate("create table gh_724 (i integer,j integer generated always as (i))");