@Override
public String ddlCreateIndex(TableMapping mapping, TableMapping.Index index) {
final String name = index.name;
if (index.unique) {
return null;
// Prepend Primary Key.
// final LinkedHashSet<String> columns = new LinkedHashSet<>();
//
// columns.addAll(Lists.newArrayList(columnNames(mapping.getPrimaryKeyProperties())));
// columns.addAll(Lists.newArrayList(index.columnNames));
// return create()
// .alterTable(mapping.getTableName())
// .add(DSL.constraint(name).unique(columns.toArray(new
// String[columns.size()]))).getSQL();
}
return create()
.createIndex(name)
.on(mapping.getTableName(), index.columnNames)
.getSQL(ParamType.INLINED);
}
/**
* @param mapping
* @return
*/
@Override
public String ddlCreateTable(TableMapping mapping) {
final CreateTableAsStep step = create().createTable(mapping.getTableName());
CreateTableColumnStep createColumnStep = null;
for (TableMapping.Property property : mapping.getProperties()) {
createColumnStep = step.column(property.getColumnName(), property.fieldDataType());
}
if (!mapping.tableAnnotation.columnStore()) {
createColumnStep.constraints(
DSL.constraint("pk_" + mapping.getTableName())
.primaryKey(columnNames(mapping.getPrimaryKeyProperties())));
final List<TableMapping.Index> indexes = mapping.getIndexes();
if (indexes != null) {
for (TableMapping.Index index : indexes) {
if (index.unique) {
final LinkedHashSet<String> columns = new LinkedHashSet<>();
columns.addAll(Lists.newArrayList(columnNames(mapping.getPrimaryKeyProperties())));
columns.addAll(Lists.newArrayList(index.columnNames));
createColumnStep.constraint(
DSL.constraint(index.name).unique(columns.toArray(new String[columns.size()])));
}
}
}
}
String sql = createColumnStep.getSQL(ParamType.INLINED);
// Handle reference tables.
if (mapping.tableAnnotation.reference()) {
if (sql.startsWith("create table") || sql.startsWith("CREATE TABLE")) {
sql = sql.substring(12);
sql = "CREATE REFERENCE TABLE" + sql;
}
}
sql = sql.trim();
if (sql.endsWith(";")) {
sql = sql.substring(0, sql.length() - 1);
}
if (sql.endsWith(")")) {
sql = sql.substring(0, sql.length() - 1);
}
if (mapping.tableAnnotation.columnStore()) {
final List<TableMapping.Property> primaryKey = mapping.getPrimaryKeyProperties();
sql +=
", KEY ("
+ Joiner.on(",").join(columnNames(primaryKey))
+ ") USING CLUSTERED COLUMNSTORE";
} else {
final List<TableMapping.Property> primaryKey = mapping.getPrimaryKeyProperties();
// Add index on "id" column if it isn't the primary key.
if (primaryKey.size() == 1 && !primaryKey.get(0).columnName.equals(AbstractEntity.ID)) {
sql += ", KEY ix_" + mapping.getTableName() + "_id (`id`)";
}
}
if (!mapping.tableAnnotation.reference()) {
final List<TableMapping.Property> shardKey = mapping.getShardKeyProperties();
if (shardKey != null && !shardKey.isEmpty()) {
sql = sql + ", SHARD KEY (" + Joiner.on(",").join(columnNames(shardKey)) + ")";
}
}
sql += ")";
return sql;
}
