Merge pull request #3 from hakan-agdere-sap/feature/additional-updates-1-1

Documentation update and a bugfix

Author: ashwinineha

commercedbsync/src/com/sap/cx/boosters/commercedbsync/processors/impl/IndexAlignerPostProcessor.java

@@ -37,7 +37,7 @@ public void process(final CopyContext context)
 			final DataRepository dataTargetRepository = migrationContext.getDataTargetRepository();
 			final String indiciesSQL = generateAlterTablesSql(migrationContext);
 			indiciesSQL.lines().forEach(indexSQL -> {
-				if(StringUtils.isNotBlank(indexSQL))
+				if (StringUtils.isNotBlank(indexSQL))
 				{
 					LOG.info("Executing {}", indexSQL);
 					try
@@ -56,37 +56,47 @@ public void process(final CopyContext context)
 
 	private String generateAlterTablesSql(final MigrationContext migrationContext)
 	{
-		final Database sourceDatabase = migrationContext.getDataSourceRepository().asDatabase();
-		final DataRepository dataTargetRepository = migrationContext.getDataTargetRepository();
-		final Database targetDatabase = dataTargetRepository.asDatabase();
-		final Set<String> excludedIndices = getExcludedIndicies();
-
-		for (final String copiedTable : migrationContext.getIncludedTables())
+		String alterTablesSql = "";
+		try
 		{
-			final Table sourceTable = sourceDatabase.findTable(copiedTable);
-			final Table targetTable = targetDatabase.findTable(copiedTable);
-			if (sourceTable != null && targetTable != null)
+			final Database sourceDatabase = migrationContext.getDataSourceRepository().asDatabase();
+			final DataRepository dataTargetRepository = migrationContext.getDataTargetRepository();
+			final Database targetDatabase = dataTargetRepository.asDatabase();
+			final Set<String> excludedIndices = getExcludedIndicies();
+
+			for (final String copiedTable : migrationContext.getIncludedTables())
 			{
-				final Index[] sourceTableIndices = sourceTable.getIndices();
-				final Index[] targetTableIndices = targetTable.getIndices();
-				for (final Index sourceTableIndex : sourceTableIndices)
+				final Table sourceTable = sourceDatabase.findTable(copiedTable);
+				final Table targetTable = targetDatabase.findTable(copiedTable);
+				if (sourceTable != null && targetTable != null)
 				{
-					if (!ArrayUtils.contains(targetTableIndices, sourceTableIndex)
-							&& !excludedIndices.contains((sourceTable.getName() + "." + sourceTableIndex.getName()).toLowerCase()))
+					final Index[] sourceTableIndices = sourceTable.getIndices();
+					final Index[] targetTableIndices = targetTable.getIndices();
+					for (final Index sourceTableIndex : sourceTableIndices)
 					{
-						LOG.debug("Found missing index {} for {}", sourceTableIndex, copiedTable);
-						targetTable.addIndex(sourceTableIndex);
+						if (!ArrayUtils.contains(targetTableIndices, sourceTableIndex)
+								&& !excludedIndices.contains((sourceTable.getName() + "." + sourceTableIndex.getName()).toLowerCase()))
+						{
+							LOG.debug("Found missing index {} for {}", sourceTableIndex, copiedTable);
+							targetTable.addIndex(sourceTableIndex);
+						}
 					}
 				}
+				else
+				{
+					LOG.warn("Table {} is not found one of the databases: source[{}], target[{}]", copiedTable, sourceTable,
+							targetTable);
+				}
 			}
-			else
-			{
-				LOG.warn("Table {} is not found one of the databases: source[{}], target[{}]", copiedTable, sourceTable, targetTable);
-			}
+
+			alterTablesSql = dataTargetRepository.asPlatform().getAlterTablesSql(targetDatabase);
+			LOG.debug("Generated alter table sql for missing indexes: {}", alterTablesSql);
+		}
+		catch (final Exception e)
+		{
+			LOG.error("Alter table generation failed", e);
 		}
 
-		final String alterTablesSql = dataTargetRepository.asPlatform().getAlterTablesSql(targetDatabase);
-		LOG.debug("Generated alter table sql for missing indexes: {}", alterTablesSql);
 		return alterTablesSql;
 	}
 

docs/configuration/CONFIGURATION-GUIDE.md

@@ -74,8 +74,9 @@ For example with media filtered just for the images folder is possible to achiev
 migration.data.view.t.medias.enabled=true # enable view generation
 # If you are joining more than one tables in the where clause then use a columnPrefix label
 migration.data.view.t.medias.columnPrefix=item_t1
-# name `v_medias` is generated due to default name pattern value v_%s. No need to configure
-migration.data.view.t.medias.joinWhereClause=FROM medias item_t1 JOIN mediafolders item_t2 ON item_t1.p_folder = item_t2.PK WHERE (item_t2.p_qualifier like 'images')
+# The joinWhereClause is used within view definition. i.e. CREATE VIEW v_media AS SELECT * FROM {joinWhereClause} 
+# name `v_medias` is generated due to default name pattern value v_%s as the view name so no need to configure it for joinWhereClause
+migration.data.view.t.medias.joinWhereClause=medias item_t1 JOIN mediafolders item_t2 ON item_t1.p_folder = item_t2.PK WHERE (item_t2.p_qualifier like 'images')
 ```
 
 Output for that will be like this: