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!68 issues-I4SDW3: 修复数组类型写入Oracle问题

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* issues-I4SDW3: 修复数组类型写入Oracle问题
This commit is contained in:
inrgihc
2022-01-29 09:37:56 +00:00
parent a046817a62
commit f153b643aa
1 changed files with 25 additions and 11 deletions
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36
dbswitch-dbwriter/src/main/java/com/gitee/dbswitch/dbwriter/oracle/OracleWriterImpl.java
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@@ -16,6 +16,7 @@ import java.sql.SQLException;
import java.util.List; import java.util.List;
import javax.sql.DataSource; import javax.sql.DataSource;
import lombok.extern.slf4j.Slf4j; import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
/** /**
* Oracle数据库写入实现类 * Oracle数据库写入实现类
@@ -36,15 +37,14 @@ public class OracleWriterImpl extends AbstractDatabaseWriter implements IDatabas
@Override @Override
public long write(List<String> fieldNames, List<Object[]> recordValues) { public long write(List<String> fieldNames, List<Object[]> recordValues) {
/** 处理Oracle的Clob类型需写入String类型的数据的问题 */ /** 处理Oracle的Clob/Array类型需写入String类型的数据的问题 */
recordValues.parallelStream().forEach((Object[] row) -> { recordValues.parallelStream().forEach((Object[] row) -> {
for (int i = 0; i < row.length; ++i) { for (int i = 0; i < row.length; ++i) {
try { try {
row[i] = convertClobToString(row[i]); row[i] = convert(row[i]);
} catch (Exception e) { } catch (Exception e) {
log.warn( log.warn("Field Value convert from {} to java.lang.String failed, field name is : {} ",
"Field Value convert from java.sql.Clob to java.lang.String failed, field name is : {} ", row[i].getClass().getName(), fieldNames.get(i));
fieldNames.get(i));
row[i] = null; row[i] = null;
} }
} }
@@ -53,15 +53,15 @@ public class OracleWriterImpl extends AbstractDatabaseWriter implements IDatabas
return super.write(fieldNames, recordValues); return super.write(fieldNames, recordValues);
} }
/** private Object convert(Object o) {
* 将java.sql.Clob 类型转换为java.lang.String
*/
private Object convertClobToString(Object o) {
if (null == o) { if (null == o) {
return null; return null;
} }
if (o instanceof Clob) { if (o instanceof Clob) {
/**
* 将java.sql.Clob 类型转换为java.lang.String
*/
Clob clob = (Clob) o; Clob clob = (Clob) o;
try (java.io.Reader is = clob.getCharacterStream(); try (java.io.Reader is = clob.getCharacterStream();
java.io.BufferedReader reader = new java.io.BufferedReader(is)) { java.io.BufferedReader reader = new java.io.BufferedReader(is)) {
@@ -75,9 +75,23 @@ public class OracleWriterImpl extends AbstractDatabaseWriter implements IDatabas
} catch (SQLException | java.io.IOException e) { } catch (SQLException | java.io.IOException e) {
throw new RuntimeException(e); throw new RuntimeException(e);
} }
} } else if (o instanceof java.sql.Array) {
/**
* 将java.sql.Array 类型转换为java.lang.String
* <p>
* Oracle 没有数组类型
*/
String v = o.toString();
String a = o.getClass().getName() + "@" + Integer.toHexString(o.hashCode());
if (a.length() == v.length() && StringUtils.equals(a, v)) {
log.warn("Unsupported type for convert {} to java.lang.String");
return null;
}
return o; return v;
} else {
return o;
}
} }
} }