public boolean createEntity(Dao dao, Entity<?> en) {
StringBuilder sb = new StringBuilder("CREATE TABLE " + en.getTableName() + "(");
// 创建字段
for (MappingField mf : en.getMappingFields()) {
if (mf.isReadonly()) continue;
sb.append('\n').append(mf.getColumnName());
// 自增主键特殊形式关键字
if (mf.isId() && mf.isAutoIncreasement()) {
sb.append(" SERIAL");
} else {
sb.append(' ').append(evalFieldType(mf));
// 非主键的 @Name，应该加入唯一性约束
if (mf.isName() && en.getPkType() != PkType.NAME) {
sb.append(" UNIQUE NOT NULL");
}
// 普通字段
else {
if (mf.isUnsigned()) sb.append(" UNSIGNED");
if (mf.isNotNull()) sb.append(" NOT NULL");
if (mf.isAutoIncreasement()) throw Lang.noImplement();
if (mf.hasDefaultValue())
sb.append(" DEFAULT '").append(getDefaultValue(mf)).append('\'');
}
}
sb.append(',');
}
// 创建主键
List<MappingField> pks = en.getPks();
if (!pks.isEmpty()) {
sb.append('\n');
sb.append(
String.format(
"CONSTRAINT %s_pkey PRIMARY KEY (",
en.getTableName().replace('.', '_').replace('"', '_')));
for (MappingField pk : pks) {
sb.append(pk.getColumnName()).append(',');
}
sb.setCharAt(sb.length() - 1, ')');
sb.append("\n ");
}
// 结束表字段设置
sb.setCharAt(sb.length() - 1, ')');
// 执行创建语句
dao.execute(Sqls.create(sb.toString()));
// 创建索引
dao.execute(createIndexs(en).toArray(new Sql[0]));
// 创建关联表
createRelation(dao, en);
// 添加注释(表注释与字段注释)
addComment(dao, en);
return true;
}
// TODO not tested!!
public boolean createEntity(Dao dao, Entity<?> en) {
StringBuilder sb = new StringBuilder("CREATE TABLE " + en.getTableName() + "(");
// 创建字段
for (MappingField mf : en.getMappingFields()) {
sb.append('\n').append(mf.getColumnName());
sb.append(' ').append(evalFieldType(mf));
// 非主键的 @Name，应该加入唯一性约束
if (mf.isName() && en.getPkType() != PkType.NAME) {
sb.append(" UNIQUE NOT NULL");
}
// 普通字段
else {
if (mf.isNotNull() || mf.isPk()) sb.append(" NOT NULL");
if (mf.hasDefaultValue()) sb.append(" DEFAULT '").append(getDefaultValue(mf)).append('\'');
if (mf.isAutoIncreasement()) sb.append(" generated by default as identity ");
if (mf.isPk() && en.getPks().size() == 1) {
sb.append(" primary key ");
}
}
sb.append(',');
}
// 结束表字段设置
sb.setCharAt(sb.length() - 1, ')');
// 执行创建语句
dao.execute(Sqls.create(sb.toString()));
// 创建联合主键
if (en.getPks().size() > 1) {
sb = new StringBuilder();
sb.append("ALTER TABLE ").append(en.getTableName()).append(" ADD CONSTRAINT PK_");
sb.append(makePksName(en));
sb.append(" PRIMARY KEY (");
for (MappingField mf : en.getPks()) {
sb.append(mf.getColumnName()).append(",");
}
sb.setCharAt(sb.length() - 1, ')');
dao.execute(Sqls.create(sb.toString()));
}
// 创建关联表
createRelation(dao, en);
// 创建索引
dao.execute(createIndexs(en).toArray(new Sql[0]));
// 添加注释(表注释与字段注释)
addComment(dao, en);
return true;
}
public void addDefaultValue(StringBuilder sb, MappingField mf) {
if (!mf.hasDefaultValue()) return;
if (mf.getTypeMirror().isNumber()) sb.append(" DEFAULT ").append(getDefaultValue(mf));
else sb.append(" DEFAULT '").append(getDefaultValue(mf)).append('\'');
}