From 573a8389b2e87863e7f22a7cbaa9d272cb8f057a Mon Sep 17 00:00:00 2001
From: Eric Long <elong@jumpmind.com>
Date: Mon, 8 Aug 2022 15:53:26 -0400
Subject: [PATCH] 0005395: H2 database detects alter timestamp(0) every time
 starting

---
 .../java/org/jumpmind/db/alter/ModelComparator.java | 13 +++++++++++--
 .../org/jumpmind/db/platform/h2/H2DdlReader.java    |  2 +-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/symmetric-db/src/main/java/org/jumpmind/db/alter/ModelComparator.java b/symmetric-db/src/main/java/org/jumpmind/db/alter/ModelComparator.java
index b0f2440c55..b78187db0a 100644
--- a/symmetric-db/src/main/java/org/jumpmind/db/alter/ModelComparator.java
+++ b/symmetric-db/src/main/java/org/jumpmind/db/alter/ModelComparator.java
@@ -338,9 +338,18 @@ public List<TableChange> compareColumns(Table sourceTable, Column sourceColumn,
         }
         if (!ddlBuilder.areColumnSizesTheSame(sourceColumn, targetColumn)) {
             if (sizeMatters) {
+                int targetSize = targetColumn.getSizeAsInt();
+                if (targetColumn.getSize() == null) {
+                    Integer defaultSize = platformInfo.getDefaultSize(platformInfo.getTargetJdbcType(targetColumn.getMappedTypeCode()));
+                    if (defaultSize != null) {
+                        targetSize = defaultSize;
+                    } else {
+                        targetSize = 0;
+                    }
+                }
                 log.debug("The {} column on the {} table changed size from ({}) to ({})", new Object[] { sourceColumn.getName(),
-                        sourceTable.getName(), sourceColumn.getSizeAsInt(), targetColumn.getSizeAsInt() });
-                changes.add(new ColumnSizeChange(sourceTable, sourceColumn, targetColumn.getSizeAsInt(), targetColumn.getScale()));
+                        sourceTable.getName(), sourceColumn.getSizeAsInt(), targetSize });
+                changes.add(new ColumnSizeChange(sourceTable, sourceColumn, targetSize, targetColumn.getScale()));
             } else if (scaleMatters) {
                 log.debug("The {} column on the {} table changed scale from ({},{}) to ({},{})",
                         new Object[] { sourceColumn.getName(), sourceTable.getName(), sourceColumn.getSizeAsInt(), sourceColumn.getScale(),
diff --git a/symmetric-jdbc/src/main/java/org/jumpmind/db/platform/h2/H2DdlReader.java b/symmetric-jdbc/src/main/java/org/jumpmind/db/platform/h2/H2DdlReader.java
index 07163d550a..6a68098b01 100644
--- a/symmetric-jdbc/src/main/java/org/jumpmind/db/platform/h2/H2DdlReader.java
+++ b/symmetric-jdbc/src/main/java/org/jumpmind/db/platform/h2/H2DdlReader.java
@@ -98,7 +98,7 @@ protected Column readColumn(DatabaseMetaDataWrapper metaData,
                     scale);
         }
         if (column.getMappedTypeCode() == Types.TIMESTAMP) {
-            resetColumnSize(column, String.valueOf(column.getScale()));
+            resetColumnSize(column, column.getScale() > 9 ? "9" : String.valueOf(column.getScale()));
         }
         if (column.getMappedTypeCode() == Types.TIME) {
             resetColumnSize(column, "0");