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feat: 添加根据列全名解析表别名方法 #71

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merged 3 commits into from
May 17, 2024
Merged

feat: 添加根据列全名解析表别名方法 #71

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afdc794
feat: 添加根据列全名解析表别名方法
goten7 May 14, 2024
f32071d
fix: 优化纯名称截取
goten7 May 15, 2024
a307b11
feat: 优化
goten7 May 16, 2024
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31 changes: 31 additions & 0 deletions ...hswebframework/ezorm/rdb/operator/builder/fragments/term/AbstractTermFragmentBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import org.hswebframework.ezorm.core.param.Term;
import org.hswebframework.ezorm.rdb.metadata.RDBColumnMetadata;
import org.hswebframework.ezorm.rdb.metadata.TableOrViewMetadata;
import org.hswebframework.ezorm.rdb.metadata.dialect.Dialect;
import org.hswebframework.ezorm.rdb.operator.builder.fragments.NativeSql;
import org.hswebframework.ezorm.rdb.operator.builder.fragments.PrepareSqlFragments;
import org.hswebframework.ezorm.rdb.operator.builder.fragments.TermFragmentBuilder;
Expand Down Expand Up @@ -115,4 +116,34 @@ protected PrepareSqlFragments appendPrepareOrNative(PrepareSqlFragments sql, Obj
}
return sql;
}


/**
* 根据字段全名获取表别名
*
* @param columnFullName 列全名
* @param dialect 数据库方言
* @return 表别名
*/
protected static Optional<String> parseTablePlainName(String columnFullName, Dialect dialect) {
if (columnFullName.contains(".")) {
String[] split = parsePlainName(columnFullName, dialect).split("\\.");
return Optional.of(split[0]);
}
return Optional.empty();
}

protected static String parsePlainName(String name, Dialect dialect) {
if (name == null || name.isEmpty()) {
return null;
}

if (name.startsWith(dialect.getQuoteStart())) {
return name
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用substring截取前后。

.replace(dialect.getQuoteStart(), "")
.replace(dialect.getQuoteEnd(), "");
}

return name;
}
}