in empire-db/src/main/java/org/apache/empire/dbms/mysql/MySQLDDLGenerator.java [142:199]
protected void createTable(DBTable t, DBSQLScript script)
{
DBSQLBuilder sql = dbms.createSQLBuilder();
sql.append("-- creating table ");
sql.append(t.getName());
sql.append(" --\r\n");
sql.append("CREATE TABLE ");
t.addSQL(sql, DBExpr.CTX_FULLNAME);
sql.append(" (");
boolean addSeparator = false;
Iterator<DBColumn> columns = t.getColumns().iterator();
while (columns.hasNext())
{
DBTableColumn c = (DBTableColumn) columns.next();
// Append column
sql.append((addSeparator) ? ",\r\n " : "\r\n ");
appendColumnDesc(c, false, sql);
addSeparator = true;
}
// Primary Key
DBIndex pk = t.getPrimaryKey();
if (pk != null)
{ // add the primary key
sql.append(",\r\n PRIMARY KEY (");
addSeparator = false;
// columns
DBColumn[] keyColumns = pk.getColumns();
for (int i = 0; i < keyColumns.length; i++)
{
sql.append((addSeparator) ? ", " : "");
keyColumns[i].addSQL(sql, DBExpr.CTX_NAME);
addSeparator = true;
}
sql.append(")");
}
sql.append(")");
// Engine
addSeparator = false;
if (StringUtils.isNotEmpty(dbms.getEngine()))
{ // Set the table engine
sql.append("\r\n ENGINE = ");
sql.append(dbms.getEngine());
addSeparator = true;
}
// Comment?
if (StringUtils.isNotEmpty(t.getComment()))
{ // Add the table comment
if (addSeparator)
sql.append(",");
sql.append("\r\n COMMENT = '");
sql.append(t.getComment());
sql.append("'");
}
// Create the table
addCreateTableStmt(t, sql, script);
// Create all Indexes
createTableIndexes(t, pk, script);
}